湿度传感器HR11产品说明书

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温湿度模块 DHT11 产品手册说明书

温湿度模块DHT11产品手册更多详情请登陆：湿元件和一个NTC测温元件，并与一个高性能8位单片机相连接。

他相关湿度检测控制。

引脚说明1、VDD 供电3.3～5.5V DC2、DATA 串行数据，单总线3、NC 空脚4、GND 接地，电源负极一、产品概述DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器。

它应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电容式感二、应用范围暖通空调、除湿器、农业、冷链仓储、测试及检测设备、消费品、汽车、自动控制、数据记录器、气象站、家电、湿度调节器、医疗、其三、产品亮点成本低、长期稳定、相对湿度和温度测量、品质卓越、超快响应、抗干扰能力强、超长的信号传输距离、数字信号输出、精确校准。

四、外形尺寸（单位：mm ）图1产品尺寸图五、产品参数5.1相对湿度表1相对湿度性能表5.2温度表2温度性能表5.3电气特性表3电气特性[1]此精度为出厂时检验时，传感器在25℃和5V，条件下测试的精度指标，其不包括迟滞和非线性，且只适合非冷凝环境。

[2]在25℃和1m/s气流的条件下，达到一阶响应63%所需要的时间。

[3]在挥发性有机混合物中数值可能会高一些。

见说明书应用储存信息。

六、典型电路图2DHT11典型电路图微处理器与DHT11的连接典型应用电路如上图（图2）所示，DATA上拉后与微处理器的I/O端口相连。

1、典型应用电路中建议连接线长度短于5m时用4.7K上拉电阻，大于5m时根据实际情况降低上拉电阻的阻值。

2、使用3.3V电压供电时连接线尽量短，接线过长会导致传感器供电不足，造成测量偏差。

3、每次读出的温湿度数值是上一次测量的结果，欲获取实时数据,需连续读取2次，但不建议连续多次读取传感器，每次读取传感器间隔大于2秒即可获得准确的数据。

4、电源部分如有波动，会影响到温度。

如使用开关电源，温度就会跳动。

DHT11中文说明书

数字温湿度传感器DHT11相对湿度和温度测量全部校准，数字输出卓越的长期稳定性无需额外部件超长的信号传输距离超低能耗4 引脚安装完全互换DHT11产品概述DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器。

它应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电阻式感湿元件和一个NTC测温元件，并与一个高性能8位单片机相连接。

因此该产品具有品质卓越、超快响应、抗干扰能力强、性价比极高等优点。

每个DHT11传感器都在极为精确的湿度校验室中进行校准。

校准系数以程序的形式储存在OTP内存中，传感器内部在检测信号的处理过程中要调用这些校准系数。

单线制串行接口，使系统集成变得简易快捷。

超小的体积、极低的功耗，信号传输距离可达20米以上，使其成为各类应用甚至最为苛刻的应用场合的最佳选则。

产品为 4 针单排引脚封装。

连接方便，特殊封装形式可根据用户需求而提供。

应用领域暖通空调测试及检测设备汽车数据记录器消费品自动控制气象站家电湿度调节器医疗除湿器型号测量范围测湿精度测温精度分辨力封装DHT1120－90％RH 0－50℃±5％RH±2℃14针单排直插1、传感器性能说明参数条件Min Typ Max单位湿度分辨率111%RH16Bit重复性±1%RH精度25℃±4%RH0－50℃±5%RH互换性可完全互换量程范围0℃3090%RH25℃2090%RH50℃2080%RH61015S响应时间1/e(63%)25℃，1m/s 空气迟滞±1%RH长期稳定性典型值±1%RH/yr 温度分辨率111℃161616Bit重复性±1℃精度±1±2℃量程范围050℃响应时间1/e(63%)630S建议连接线长度短于20米时用5K上拉电阻,大于20米时根据实际情况使用合适的上拉电阻3、电源引脚DHT11的供电电压为3－。

DHT11说明书最新版

1、传感器性能说明
参数
条件
Min
Typ
Max
湿度
分辨率
1
1
1
8
重复性
±1
精度
25℃
±4
0－50℃
±5
互换性
可完全互换
量程范围
0℃
30
90
25℃
20
90
50℃
20
80
响应时间
1/e(63%)25℃，
6
10
15
1m/s 空气
迟滞
±1
长期稳定性
典型值
±1
温度
分辨率
1
1
1
单位
%RH Bit %RH %RH %RH
min typ max
供电
DC
3 5 5.5
供电电流
测量
0.5
2.5
平均
0.2
1
待机
100
150
采样周期
秒
1
单位 V mA mA uA
次
注:采样周期间隔不得低于1秒钟。
7、应用信息
7.1工作与贮存条件超出建议的工作范围可能导致高达3%RH的临时性漂移信号。返回正常工作
条后，传感器会缓慢地向校准状态恢复。要加速恢复进程/可参阅7.3小节的“恢复处理”。在非正常工作条件下长时间使用会加速产品的老化过程。 7.2暴露在化学物质中
2
DATA
3
NC
4
GND
注释供电 3－5.5VDC 串行数据，单总线空脚，请悬空接地，电源负极
10、焊接信息
手动焊接，在最高260℃的温度条件下接触时间须少于10秒。
11、注意事项

DHT11 温湿度传感器说明书

DHT11说明书温湿度传感器●具有抗冲击性及电气性能优良●完全标定●数字输出，单总线通讯●优异的长期稳定性●响应迅速、恢复时间快、抗干扰能力强产品简述DHT11是一款含有已校准数字信号输出的温湿度复合传感器，采用了自主研发的集成式数字温湿度元件，应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

DHT11传感器内包含一个温湿度测量元件和一个高性能MCU。

应用范围DHT11温湿度传感器可以应用于农业、家电、汽车、气象、医疗等领域，如暖通空调、除湿机、冷链仓储、测试及检测设备、数据记录仪、湿度调节系统、医疗等。

图1.DHT11温湿度传感器1.传感器性能1.1相对湿度表1.湿度特性表参数测试条件最小典型最大单位量程范围附加说明15-95%RH精度2--±5%RH重复性--±1-%RH互换性-完全互换响应时间3τ（63%）-<6-s迟滞--±0.3-%RH漂移4典型值-<0.5-%RH/yr 1.2电气特性表2.电气特性表符号参数测试条件最小典型最大单位VCC供电电压- 3.35 5.5VI平均电流5休眠-60-µA 测量-1000-µAV OL低电平输出电压I L6=5mA0-300mVV OH高电平输出电压Rp<25kΩ0.9*VCC-VCC VV IL低电平输入电压下降0-0.3VV IH高电平输入电压上升0.7-VCC VRp上拉电阻7VCC=5V1 4.7100kΩT S采样周期-2--s实际使用中的一些特性如功耗、输入和输出的高、低电平电压等都取决于供电电压。

在使用传感器时，要使系统获得鲁棒性，请确保各参数在表2所给出的范围内。

1正常工作范围：8~85%RH，超出此范围，传感器读数会有偏差（在90%RH湿度下60小时后，漂移＞3%RH）。

工作范围进一步限定在-20~60℃。

2此精度为传感器出厂检验时，在25℃、VCC=5V条件下的测试精度。

dht11中文说明书(1)

数字温湿度传感器DHT11►相对湿度和温度测量►全部校准，数字输出►卓越的长期稳定性►无需额外部件►超长的信号传输距离►超低能耗► 4 引脚安装►完全互换DHT11产品概述DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器。

它应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电阻式感湿元件和一个NTC测温元件，并与一个高性能8位单片机相连接。

因此该产品具有品质卓越、超快响应、抗干扰能力强、性价比极高等优点。

每个DHT11传感器都在极为精确的湿度校验室中进行校准。

校准系数以程序的形式储存在OTP内存中，传感器内部在检测信号的处理过程中要调用这些校准系数。

单线制串行接口，使系统集成变得简易快捷。

超小的体积、极低的功耗，信号传输距离可达20米以上，使其成为各类应用甚至最为苛刻的应用场合的最佳选则。

产品为 4 针单排引脚封装。

连接方便，特殊封装形式可根据用户需求而提供。

应用领域►暖通空调►测试及检测设备►汽车►数据记录器►消费品►自动控制►气象站►家电►湿度调节器►医疗►除湿器型号测量范围测湿精度测温精度分辨力封装DH T1120－90％RH 0－50℃±5％RH±2℃14针单排直插1、传感器性能说明参数条件Min Typ Max单位湿度分辨率111%RH16Bit 重复性±1%RH 精度25℃±4%RH 0－50℃±5%RH 互换性可完全互换量程范围0℃3090%RH 25℃2090%RH 50℃2080%RH响应时间1/e(63%)25℃，1m/s 空气61015S迟滞±1%RH长期稳定性典型值±1%RH/yr温度分辨率111℃161616Bit 重复性±1℃精度±1±2℃量程范围050℃响应时间1/e(63%)630S建议连接线长度短于20米时用5K上拉电阻,大于20米时根据实际情况使用合适的上拉电阻3、电源引脚DHT11的供电电压为3－。

湿度传感器产品说明书.pdf_1718742584.1268241

P-26To order, specify model number and range (from chart above.) To order 230V, add “-230V” to model number, no additional cost.Ordering Examples: 6132H-J-0-300C-230V, on/off controller with socket mounting and230 Vac power. OCW-2, extends standard 3-year warranty to a total of 5 years. 6102J-0-1000F proportional controller with socket mounting.Specifications Electrical Supply Voltage: 115 Vac (-15%, 20%), 50/60 Hz (optional) 230 Vac Power Consumption: 2 VAOutput: 10 A relay, SPST with power internally wired to contacts; 5 A relay, SPDT for 6132H Control Calibration Accuracy: ±2% of scale span or 4°C, whichever is greater (from 10 to 90% of scale span)Linearity-Resolution: Linearity 6%, resolution 1% maximum of scale span (dependent on sensor/range)Control Accuracy: ±0.4% FS at anambient of 22°C (72°F); ±2°C (3.6°F), at rated line voltage, after 30 minutes setting time; cycle time: 25 s, approximately Control Modes Time Proportional: Proportional with accelerated response to temperature variations; 3.5% band On/Off: Model 6132H only; 4°C (7°F) differentialModel 6103 “Space Saver” Panel ControllerU T hermocouple andRTD Models U T ime-Proportional Control U 10 A Capacity U 1⁄4" Terminal LugsInput Thermocouple:J, K, S External resistance: Maximum 100 ΩCold-Junction Compensation: AutomaticCommon Mode: Negligible effect up to 270V 50/60 Hz Series Mode: Negligible effect up to scale spread mV equivalent at 50/60 Hz Sensor Break Protection: Automatic upscale RTD Sensor: 100 Ω platinum a =0.00385General Indication: A high-brightness LED shows heat is on Operating Temperature: 0 to 50°C (32 to 122°F) Suppression: Filtering is provided for line and sensor input interference Dimensions:48 H x 48 W x 98 mm D(1.89 x 1.89 x 3.86")Construction:Flame-retardantpolycarbonate and ABS; bezel and knob coated with Nextel ®Connections: 1⁄4" standard terminal lugs or 11-pin connector Weight: 200 g (7 oz)Model 6102Socket Mount Controller U T hermocouple and RTD Models U T ime-Proportional Control U 10 A Capacity U 11-Pin Connector Model 6132U O n/Off Control 6102-J-0-300F 1⁄16 DIN.1⁄16 DIN Temperature Controllers Space-Saving SystemsOMEGACARE SMextendedwarranty program is available for models shown on this page. Ask your sales representative for full details when placing an order. OMEGACARE SMcovers parts,labor and equivalent loaners.Mounting bracket (included), actual size.。

温湿度传感器SHT11数据手册(中文)版

3.2 温度
由能隙材料 PTAT (正比于绝对温度) 研发的温度传感器具有极好的线性。可用如下公式将数字输
100nF 的电容，用以去耦滤波。 2.2 串行接口 (两线双向) SHTxx 的串行接口，在传感器信号的读取及电源损耗
信号提拉至高电平（参见图 2）。上拉电阻通常已包含在微处理器的 I/O 电路中。详细的 IO 特性，参见表 5。
方面，都做了优化处理；但与 I2C 接口不兼容，详情
参见 FAQ .
SORH
c1
c2
c3
12 bit
-4
0.0405 -2.8 * 10-6
8 bit
-4
0.648 -7.2 *Байду номын сангаас10-4
表 6 湿度转换系数
简化的修正算法，可参阅应用说明“相对湿度与温度的非线性补偿”。对高于 99%RH 的那些测量值则表示空气已经完全饱和，必须被处理成显示值均为 100%2RH。湿度传感器对电压基本上没有依赖性。
DATA
Transmission Start
SCK 1 2 3 4 -8 9
图 4 通讯复位时序
2.2.6 CRC-8 校验数字信号的整个传输过程由 8bit 校验来确保。任何错误数据将被检测到并清除。详情可参阅应用说明“CRC-8 校验”。
图 5 RH 测量时序举例： “0000’1001 ’ 0011’0001”= 2353 = 75.79 %RH (未包含温度补偿)
警告：为保证自身温升低于 0.1℃，SHTxx 的激活时间不要超过 10%（例如，对应 12bit 精度测量，每秒最多进行 2 次测量）。
2.2.5 通讯复位时序如果与 SHTxx 通讯中断，下列信号时序可以复位串口：当 DATA 保持高电平时，触发 SCK 时钟 9 次或更多。在下一次指令前，发送一个“传输启动”时序。这些时序只复位串口，状态寄存器内容仍然保留。

海尔湿度传感器说明书

Computer Interface: USB connection for set-up, cable includedPower: One 3.6V lithium 8.4 Ahcapacity (C cell) included (two included with wireless option) (replacement battery model no. BATT -C-3.6V)Battery Life (Typical): Up to 9 months Enclosure Material: 316 Stainless Steel and ABS center gasketEnclosure Finish: Brushed 316 stainless steelEnclosure Environmental Rating: Weatherproof, NEMA 4X (IP65)Sensor Wetted Parts: 316L stainless steelPressure Connection: ¼-18 NPT male Dimensions: D isplay: 115 D x 89 W x 74 H mm (4.5 x 3.5 x 2.9")S ensor: 72 to 89 mm L (2.8 to 3.5") below display, 80 mm (3.1") wideWeight: 1 kg (2.2 lb) Typical depending upon configurationFront Panel FunctionsBacklight: Manually turns backlight on/offMin/Max: Recalls minimum/ maximum valuesZero/Clear: Zeros display or clears minimum/maximumU W et/Wet Differential Pressure Measurement U 5-Point NIST Traceable Calibration Included U E asy to Read 25 mm (1") Backlit LCD Display U High 0.08% Accuracy U H i and Lo Alarms StandardU MIN/MAX/AVG Reading U U ser Selectable Analog Output 0 to 5 Vdc, 0 to 10 Vdc or 4 to 20 mA U W ireless Transmitter Option Sends Reading to Remote Location and Includes Charting and Data Logging Software U C E Certified U B attery Powered with Long Battery Life U N EMA 4X (IP65) EnclosureOmega’s DPG409 digital differential pressure gauge incorporates a rugged 316 SS enclosure designed forwashdown and marine applicationswith a precision 0.08% accuracypressure transducer and 316L SS wetted parts and body. The result is an extremely durable digital pressure gauge. Y ou get all the durability and stability of the micromachined silicon sensor in a rugged NEMA 4X (IP65) package.SPECIFICATIONSCE Compliant: MeetsEN61326-1: 2006 for industrial locations with analog output cables 30 m (98')Accuracy (Combined Linearity, Hysteresis and Repeatability): ±0.08% BSLStorage Temperature: -40 to 82°C (-40 to 180°F)Operating Temperature: -18 to 66°C (0 to 150°F)Thermal Effects (Over Operating Range): Zero Balance: R anges 10 inH 2O to 1 psi: ±1% span Ranges >1 psi: ±0.5% span Span Setting: R anges 10 inH 2O to 1 psi: ±1% span Ranges >1 psi: ±0.5% span Minimum Resistance Between Transducer Body and Any Wire: 100M Ω @ 50 VdcPressure Cycles: 1 million minLong Term Stability (1-Yr.): ±0.1% FS typicalAnalog Output: User selectable 0 to 5 Vdc, 0 to 10 Vdc or 4 to 20 mA(external 24 Vdc power supply required for all analog output types)Note: Analog output is independently scalableS et jumper to select current or voltage. Software selection of 0 to 5 Vdc, 0 to 10 Vdc, or 4 to 20 mAAnalog Output Cable: 2.7 m (9')Analog Output Accuracy: 0.08% typicalLine/Static Pressure: 500 psi maximum applied to both sides simultaneouly Proof Pressure (Differential):10 inH 2O = 10 times range 1 psi = 6 times range2.5 to 750 psi = 4 times range 1000 psi Range = 3 times range Hi-Side Containment Pressure (Differential):10 inH 2O to 5 psi: To 1000 psi 15 to 1000 psi: To 3000 psi Display: 4-digit LCD with userselectable backlighting, (9999 count) 25 mm (1') character height Sample/Display Rate: User selectable from 0.38 to 30 sec (preset to 1/sec)DPG409-050DWU shown smaller than actual size.Magnetic stylusincluded.F a s tD e l i v e r y –T y p i c a l l y St o c k t o2 W e e k s !Uni-Directional Ranges 0-10 inH 2O to 0-1000 psi(0-25 mb to 0-70 bar)StandardDPG409 Differential Pressure SeriesDIGITAL DIFFERENTIALPRESSURE GAUGE VERY HIGH ACCURACY316L SS WETTED PARTS AND BODYNote: Because of transmission frequency regulations, wireless models may only be used in the US, Canada and Europe.Comes complete with operator’s manual, one 3.6V lithium C cell battery (two with wireless option), set-up and configuration software(charting and databasing software with common drivers) USB cable, 2.7 m (9') analog output cable and 5-point NIST traceable calibration certificate.To order wireless option add suffix “-W” to model number for additional cost.Ordering Examples: DPG409-015DWU, 0 to 15 psi uni-directional differential pressure gauge with analog output.DPG409-100DWU-W, 0 to 100 psi uni-directional differential pressure gauge with analog output and wireless transmitter.Software Settings (via USB)(USB connection is for set-up only)Units: psi, inHg, inH 2O, bar, mbar, hPa units; must be specified at time of order Lock: Allows the lock-out of front panel functionsAlarms: User selectable “High” and “Low” alarm limits (open collector)Backlight: On/Off, 10 sec, 30 sec, 1 min, 5 minWireless Transmitter (Optional): Channel number, transmission rate, alarms, sensor offset, chart recording, data loggingCalibrate: Zero and spanOverrange Indication: “_ _ _ _”WIRELESS OPTIONTransmit Sample Rate: Userprogrammable from 1 sample/2 min to 1 sample/2 secRadio Frequency (RF)Transceiver Carrier: ISM 2.4 GHz RF Output: 10 dBm (10 mW)Range of RF Link: Up to 120 m (400') outdoors (line of sight); Up to 40 m (130') indoors/urbanIncluded Software: RequiresWindows ® 7 (32 bit); XP , VistaData Transmission to Host: Pressure reading, ambient temperature reading, RF transmit strength and battery levelWireless Receivers (For Use with “V2” for 0 to 10 Vdc, “TC”or “MA” for 4 to 20 mA.。

DHT11中文说明书

数字温湿度传感器DHT11相对湿度和温度测量全部校准，数字输出卓越的长期稳定性无需额外部件超长的信号传输距离超低能耗4引脚安装完全互换DHT11产品概述DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器。

它应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电阻式感湿元件和一个NTC测温元件，并与一个高性能8位单片机相连接。

因此该产品具有品质卓越、超快响应、抗干扰能力强、性价比极高等优点。

每个DHT11 专感器都在极为精确的湿度校验室中进行校准。

校准系数以程序的形式储存在OTP内存中，传感器内部在检测信号的处理过程中要调用这些校准系数。

单线制串行接口，使系统集成变得简易快捷。

超小的体积、极低的功耗，信号传输距离可达20米以上，使其成为各类应用甚至最为苛刻的应用场合的最佳选则。

产品为4针单排引脚封装。

连接方便，特殊封装形式可根据用户需求而提供。

应用领域暖通空调汽车消费品气象站湿度调节器除湿器测试及检测设备数据记录器自动控制家电医疗订货信息型号测量范围测湿精度1测温精度分辨力圭寸装「DHT1120 —90% RH 0- 50C r ±5 RH「±上14针单排直插1、传感器性能说明2、接口说明建议连接线长度短于20米时用5K上拉电阻，大于20米时根据实际情况使用合适的上拉电阻VDD VDD| 5K T PinMCU -— ------------------------ DHT11GND典型应用电路3、电源引脚DHT11的供电电压为3—。

传感器上电后，要等待1s以越过不稳定状态在此期间无需发送任何指令。

电源引脚（VDD, GND）之间可增加一个100nF的电容，用以去耦滤波。

4、串行接口（单线双向）DATA 用于微处理器与 DHT11之间的通讯和同步，采用单总线数据格式，一次通讯时间4ms 左右,数据分小数部分和整数部分，具体格式在下面说明，当前小数部分用于以后扩展，现读出为零.操作流程如下：一次完整的数据传输为40bit,高位先出。

DHT11中文说明书

D H T11中文说明书-CAL-FENGHAI.-(YICAI)-Company One1数字温湿度传感器DHT11►相对湿度和温度测量►全部校准，数字输出►卓越的长期稳定性►无需额外部件►超长的信号传输距离►超低能耗►4 引脚安装►完全互换DHT11产品概述DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器。

它应用专用的数字模块采集技术和温湿度传感技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电阻式感湿元件和一个NTC测温元件，并与一个高性能8位单片机相连接。

因此该产品具有品质卓越、超快响应、抗干扰能力强、性价比极高等优点。

每个DHT11传感器都在极为精确的湿度校验室中进行校准。

校准系数以程序的形式储存在OTP内存中，传感器内部在检测信号的处理过程中要调用这些校准系数。

单线制串行接口，使系统集成变得简易快捷。

超小的体积、极低的功耗，信号传输距离可达20米以上，使其成为各类应用甚至最为苛刻的应用场合的最佳选则。

产品为 4 针单排引脚封装。

连接方便，特殊封装形式可根据用户需求而提供。

应用领域►暖通空调►测试及检测设备►汽车►数据记录器►消费品►自动控制►气象站►家电►湿度调节器►医疗►除湿器型号测量范围测湿精度测温精度分辨力封装DHT1120－90％RH 0－50℃±5％RH±2℃14针单排直插1、传感器性能说明参数条件Min Typ Max单位湿度分辨率111%RH16Bit重复性±1%RH精度25℃±4%RH0－50℃±5%RH互换性可完全互换量程范围0℃3090%RH25℃2090%RH50℃2080%RH61015S响应时间1/e(63%)25℃，1m/s 空气迟滞±1%RH长期稳定性典型值±1%RH/yr 温度分辨率111℃161616Bit重复性±1℃精度±1±2℃量程范围050℃响应时间1/e(63%)630S建议连接线长度短于20米时用5K上拉电阻,大于20米时根据实际情况使用合适的上拉电阻3、电源引脚DHT11的供电电压为3－。

SHT11_SHT10温湿度传感器规格书

技术手册SHT1x (SHT10, SHT11, SHT15)数字温湿度传感器∙ 完全标定 ∙ 数字信号输出 ∙ 低功耗∙ 卓越的长期稳定性∙ SMD 封装 – 适于回流焊接外形尺寸图1 SHT1x 传感器尺寸（1mm=0.039inch),“11”表示该传感器型号为SHT11。

外部接口：1：GND, 2: DATA, 3: SCK, 4: VDD传感器芯片此说明书适用于SHT1x-V4。

SHT1x-V4 是第四代硅传感芯片，除了湿度、温度敏感元件以外，还包括一个放大器，A/D 转换器，OTP 内存和数字接口。

第四代传感器在其顶部印有产品批次号，以字母及数字表示，如“A5Z”，见图1。

材质传感器的核心为CMOS芯片，外围材料顶层采用环氧LCP ，底层为FR4。

传感器符合ROHS 和WEEE 标准，因此不含Pb, Cd, Hg, Cr(6+), PBB, PBDE。

实验包如要进行直接的传感器测量，传感器性能检验或者温湿度实验(数据记录)，客户可选用EK-H4，其中包含SHT71(与SHT1x 的芯片相同)传感器，4路传感器通道和与电脑配套的软、硬件。

更多其他传感器实验包信息请产品概述SHT1x (包括 SHT10, SHT11 和 SHT15) 属于Sensirion 温湿度传感器家族中的贴片封装系列。

传感器将传感元件和信号处理电路集成在一块微型电路板上，输出完全标定的数字信号。

传感器采用专利的CMOSens® 技术，确保产品具有极高的可靠性与卓越的长期稳定性。

传感器包括一个电容性聚合体测湿敏感元件、一个用能隙材料制成的测温元件，并在同一芯片上，与14 位的A/D 转换器以及串行接口电路实现无缝连接。

因此，该产品具有品质卓越、响应迅速、抗干扰能力强、性价比高等优点。

每个传感器芯片都在极为精确的湿度腔室中进行标定，校准系数以程序形式储存在OTP 内存中，用于内部的信号校准。

两线制的串行接口与内部的电压调整，使外围系统集成变得快速而简单。

湿度传感器产品说明

N Digital Temperature GaugesWith RTD Sensor, Battery Power and Optional Temperature AlarmsU100 Ω Platinum RTD U316 Stainless Steel Probe U C apture Minimum and Maximum ReadingsU S electable Units and Auto Shutoff TimesU NEMA 4X (IP65) HousingUF its Standard Thermowells U B attery Power (Models PRTXB and PRTXBL)U A larm Outputs (Models PRTXAL and PRTXALBL)PRTXB and PRTXAL Series The PRTXB and PRTXAL digital temperature gauges are rugged temperature indicators with precision RTD probes. The front keypad is used for power on/off, min/max functions, selection of deg F, C or K, auto shutoff times (for battery models), calibration and configuration options. User-defined pass codes for configuration and calibration to prevent unauthorized changes.SpecificationsRanges and Resolution: -50.0 to 200.0°C (-58.0 to 392.0°F), extrapolated range for out-of-range conditions, 0.1 degree resolution, user selectable °C or °FAccuracy: Includes linearity, hysteresis, repeatability ±0.3°C at 0°C, ±1.1°C at 150°C, 11-point linearizationDisplay: 4 readings per second nominal display update rate 4-digit LCD, 0.5" H 5 character, 0.25" H alphanumeric BL Models: Red LED backlightBatteries, Battery Life, Low Battery Indication: B: 2 “AA” alkaline (included), approximately 1000 hours BL: 2 “AA” alkaline (included), approximately 150 to 750 hours depending on backlight usage, button press activates backlighting for 1 minute, low battery symbol on display Relay Output (PRTXAL and PRTXALBL): Two independent SPDT relays 0.5A/115 Vac, 1A/24 Vdc, non-inductive Sensor: IEC-751 Class B 100 Ω Platinum RTD, 0.00385 alpha curve 1⁄2 NPT male, 316 stainless steel, spring-loaded probe versions fit standard thermowells Weight: Product: 12 ounces (approx) Shipping: 1 pound (approx)Dimensions: Same as model PRTX-D, visit /prtxd Housing Material: ABS/polycarbonate NEMA 4X case, rear gasket, polycarbonate label, aluminum sensor block Storage Temperature: -40 to 95°C (-40 to 203°F)Operating Range: -20 to 85°C (-4 to 185°F) at housing Alarm Power (PRTXAL and PRTXALBL): 8 to 24 Vac, 50/60 Hz or 9 to 32 Vdc, reverse polarity protected 3", 2-conductor 22 AWG cable for powerPRTXB-4 shown smaller than actual size.PRTXAL-4 shown smaller than actual size.* Thermowell required for spring-loaded models.Ordering Examples: PRTXBL-12, battery powered RTD indicator spring loaded with display backlight and 12" sensor.PRTXAL-6, RTD temperature indicator with alarms, display and 6" sensor.Series 385S sanitary thermowells shown smaller than actual size. Visit us online for details.U24Y175 shown smaller PSR-24L shown smaller than actual size.PSR-24S shown smaller than actual size.Visit us online for power supplies.。

湿度传感器产品说明书

Optical Chilled Mirror Dew Point Transmitter With Optional Humidity MeasurementRHCM-40-PL-P shown smaller than actual size.U W all, Duct and PipeMount Models U R emote Type ModelsU 4-Wire RTDMeasurement for Dew PointU ±0.2°C Accuracy forBoth Dew Point and TemperatureU L ong-Term Stabilityand Repeatability U R S232, Bi-Directional,Serial Output U E lectronics Housedin IP65 Enclosure (Wall Mount)U A luminum Housing forOther Configurations U 2 Analog Outputs(4 to 20 mA/0 to 5 Vdc to 0 to 10 Vdc Selectable)Optional FeaturesU A ir Temperatureand Humidity U 2 Line LCD (GraphicalDisplay with 3 Parameters Displayed at One Time)U A C Universal Supply85 to 230 Vac U F low-ThroughSample Chamber U H igh Pressure (20 bar)The RHCM-40 Series dew point transmitter is an optical chilled mirror high performance hygrometer designed to continuously measure the moisture content in gases. The sensor provides accurate long term repeatability and high reliability performance for process control and energy management. The instrument is powered by 24 Vdc or optional AC universal supply 85 to 230 Vac.The RHCM-40 series uses the chilled mirror dew point temperature condensation principle to determine the water vapor concentration in gas mixtures, and a platinum resistance RTD to accurately measure that temperature. Options include air temperature and humidity measurement. There are two selectable analog outputs which include 4 to 20 mA, 0 to 5 Vdc, or 0 to 10 Vdc and an RS232 serial port as well as electrically isolated relay contacts.Specifications Range: Dew Point (Standard): -40 to 60°C (-40 to 140°F) Air Temperature (Optional): -40 to 60°C (-40 to 140°F) RH (Optional): 1 to 95%Accuracy: ± 0.2°C for both dew point and temperature Hysteresis: Negligible Repeatability: ±0.05°C Response: 1°C/second not including settling time Flow Rate: Static to 3000 linear feet/minute Pressure: 100 psig maximum (higher pressure available on special order)Analog Outputs: 2 analog ouputs (4 to 20 mA/0 to 5 Vdc to 0 to 10 Vdc selectable)Load: 4 to 20 mA: 0 to 250 Ω 0 to 5/10 Vdc: 1 k Ω or higher Relay Outputs: 2 programmable alarm relays K1: Clean mirror/Alarm 1 K2:Servolock/Alarm 2Contact Rating: Normally open (NO) 3 A at 25 Vac, or 30 Vdc Remote Cable Configuration: Dew Point: 3 m (10') standard, 15.2 m (50') maximum Air Temperature (Optional): 3 m (10') standard, 15.2 m (50') maximum For Dew Point: 2 stages of cooling (TEC) with a depression of 60°C Mirror: Standard: Chrome plated Optional: Gold or platinum Power Supply: 24 Vdc ±20%, 1 A maximum Weight: 1.4 kg (3 lb)Electronics Module Outside Dimensions: 130 H x 130 W x 76 mm D (5.1 x 5.1 x 3")H uComes complete with two stage chill mirror sensor (insertion probe style, 60°C depression), 24 Vdc input power, 2 selectable analog outputs, RS232 (bi-directional), two programmable alarm relays, operator’s manual and NIST certificate.Ordering Example: RHCM-40-PL-W-ATDT/W, wall mount, dew point transmitter with an IP65 plastic enclosure, a 2-staged chilled mirrorsensor, 2 programmable analog outputs, RS232, alarm relays and wall mount temperature probe with relative humidity.analog outputs.Two Analog Outputs Selectable for Dew Point, Temperature or Humidity。

湿度传感器设置指南说明书

Step 29. Select the Above Type of Active Submenu Press d . If flashing ABoV Above is displayed, press a ,otherwise press b until ABoV is displayed. Press d to store and advance to next menu item.Step 30. Select the Deadband Value Submenu Press d . The display will show 020.0, otherwisepress b or c.Press d to store and advance to next menu item.Step 31. Enter the Alarm 2 MenuThe display will show ALR2the top menu for Alarm 2.Repeat steps from 29 and 30 to set for Alarm 2 the same conditions as for Alarm 1.Step 32. Configuration of Display Color Selection Press a until the COLR Display Color Selection Menu appears on the Display. Configure COLR as N.CLR / GRN (green), 1.CLR / RED (red), 2.CLR / AMBR (amber). Please refer to the operator’s manual if needed.Step 33. Run a TestPress a until reset the controller and return to RUN Mode to display 075.0(Ambient Temperature). Now you are ready to observe temperature as it rises 10°F higher than displayed. Touch the tip of the Thermocouple to raise the temperature above the Alarm 2 value 082.0, and AL2 will turn on, and Display Color will change from Green toAmber. Continue touching the tip to raise the temperature above the Alarm 1 value 087.0and Display Color will change from Amber to Red.Step 11. Enter to the Thermocouple Type Input Submenu Press d to display flashing, previously selected Thermocouple type.Step 12. Scroll through available selection of TC types Press b to sequence thru flashing Thermocouple types,(select k -for type "K" CHROMEGA ®/ALOMEGA ®)J K T E N DIN J R S B C - TC types J k t E N dN J R S b C - DisplayStep 13. Store TC typeAfter you have selected the Thermocouple type press d to store your selection, the instrument automatically advances to the next menu item.Step 14. Enter to Reading Configuration MenuThe display shows RDG Reading Configuration, which is the top menu for 4 submenus: Decimal Point, Degree Units,Filter Constant and Input/Reading Submenus.Step 15. Enter to Decimal Point Submenu Press d to show DEC Decimal Point.Step 16. Display the Decimal Point positionPress d again to display the flashing Decimal Point position.Step 17. Select the Decimal Point position Press b to select FFF.F Decimal Point position.Step 18. Store selected Decimal Point positionBy pressing d momentarily the Decimal Point position will be stored and the instrument will go to the next menu item.Step 19. Enter to Temperature Unit Submenu Display shows TEMP Temperature Unit.Step 20. Display available Temperature Units Press d to display the flashing Degree °F or °C .Step 21. Scroll through Temperature Units selection Press b to select °F Degree.Step 22. Store the Temperature UnitPress d to display momentarily that the Degree Unit has been stored and the instrument will go automatically to the next menu item.Step 23. Enter the Filter Constant Submenu Display shows FLTR Filter Constant Submenu.Step 24. Display the Filter Constant Value Submenu Press d to display the flashing, previously selected Filter Constant.Step 25. Scroll through available Filter Constants Press b to sequence thru Filter Constants 0001, 0002,0004, 0008, 0016, 0032, 0064and 0128.Step 26. Store the Filter ConstantPress d momentarily to store 0004Filter Constant and the instrument will automatically go to the next menu item.Step 27. Enter Alarm 1 MenuPress a until the ALR1Alarm 1 Menu appears on the Display. In the following steps we are going to DisableLatch, Active Above, Deadband 020.0, and above Setpoint 1Value will activate Alarm 1.Step 28. Select Latch Type SubmenuPress d to display flashing DSBL / ENBL .If flashing DSBL is displayed, press a , if ENBL is displayed, press b until DSBL is displayed, then press d to store and go to the next menu item.SPECIFICATIONAccuracy:+0.5°C temp;0.03% rdg. process typical Resolution:1°/0.1°; 10 µV process Temperature Stability:0.04°C/°C RTD;0.05°C/°C TC @ 25°C (77°F); 50 ppm/°C process Display:4-digits, 9-segments LED, with red, green and amber programmable colors •21 mm (0.83") Single Horizontal •10.2 mm (0.40") and 21 mm (0.83")Dual Horizontal•10.2 mm (0.40") Dual Vertical Input Types:Thermocouple, RTD, Analog Voltage and Current TC: (ITS 90)J, K, T, E, R, S, B, C, N, L RTD: (ITS 68)100 / 500 / 1000 ohm Pt sensor 2-wire, 3-wire, or 4-wire; 0.00385 or 0.00392 curveVoltage:0 to 100mV, 0 to 1V, 0 to 10Vdc Current:0 to 20 mA (4 to 20 mA)Output 1†:Relay 250 Vac @ 3 A Resistive Load,SSR, Pulse, Analog Voltage and Current Output 2†:Relay 250 Vac @ 3 A Resistive Load,SSR, Pulse†Only for AlarmsOptions:Communication RS-232 / RS-485 or 10BaseT or Excitation:24 Vdc @ 25 mAEXC. not available for Low Power OptionLine Voltage/Power:90 - 240 Vac ±10%,50 - 400 Hz*,or 110-375 Vdc, 4W for Single Display;5W for Dual Display* No CE compliance above 60 HzLow Voltage Power Option:12 - 36 Vdc, 3 W** for Single Display;20 - 36 Vdc, 4 W** for Dual Display**Units can be powered safely with 24 Vac but No Certification for CE/UL are claimed.Dimensions:48 H x 96 W x 127 D mm (1.89 x 3.78 x 5")Weight:295 g (0.65 lb)Approvals:CE per EN 61010-1:2001USAMADE INMQS3844/0905WARNING:These products are not designed for use in, and should not be used for, patient-connected applications.It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply.OMEGA is constantly pursuing certification of its products to the European New Approach Directives.OMEGA will add the CE mark to every appropriate device upon certification.The information contained in this document is believed to be correct, but OMEGA Engineering,Inc.accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.TRADEMARK NOTICE:®,®,, andare Trademarks ofOMEGA ENGINEERING, INC.®This Quick Start Reference provides informationon setting up your instrument for basic operation.The latest complete Communication and OperationalManual as well as free Software and ActiveX Controlsare available at /specs/iseries oron the CD-ROM enclosed with your shipment. SAFETY CONSIDERATIONThe instrument is a panel mount device protected in accordance with EN 61010-1:2001, electrical safety requirements for electrical equipment for measurement, control and laboratory.Remember that the unit has no power-on switch. Building installation should include a switch or circuit-breaker that must be compliant to IEC 947-1 and 947-3. SAFETY:•Do not exceed voltage rating on the label located onthe top of the instrument housing.•Always disconnect power before changing signal andpower connections.•Do not use this instrument on a work bench withoutits case for safety reasons.•Do not operate this instrument in flammable orexplosive atmospheres.•Do not expose this instrument to rain or moisture. EMC:•Whenever EMC is an issue, always use shielded cables.•Never run signal and power wires in the same conduit.•Use signal wire connections with twisted-pair cables.•Install Ferrite Bead(s) on signal wire close to theinstrument if EMC problems persist.Panel Mounting Instruction:ing the dimensions from the panel cutout diagramshown above, cut an opening in the panel.2. Remove sleeve from the rear of the case by removingthumbnuts.3.Insert the unit into the opening from the front of the panel, sothe gasket seals between the bezel and the front of the panel.4.Slip the sleeve over the rear of the case.5.Tighten the thumbnuts to hold the unit firmly in the panel.。

DHT11说明书

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U8checkdata EQU 36H
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淘宝网店：/
一次完整的数据传输为40bit,高位先出。数据格式:8bit湿度整数数据+8bit湿度小数数据
+8bi温度整数数据+8bit温度小数数据 +8bit校验和数据传送正确时校验和数据等于“8bit湿度整数数据+8bit湿度小数数据 +8bi温度整数数据+8bit温度小数数据”所得结果的末8位。用户MCU发送一次开始信号后,DHT11从低功耗模式转换到高速模式,等待主机开始信号结束后,DHT11发送响应信号,送出40bit的数据,并触发一次信号采集, 用户可选择读取部分数据.从模式下,DHT11接收到开始信号触发一次温湿度采集, 如果没有接收到主机发送开始信号,DHT11不会主动进行温湿度采集.采集数据后转换到低速模式。 1.通讯过程如图1所示
3
NC
4
GND
武汉振林电子科技有限公司
串行数据，单总线空脚，请悬空接地，电源负极
10、焊接信息

湿度传感器产品说明书.pdf_1719189628.4718778

2223 24 252627283634 24 31 323319Item Part Name Model8-025Model8-050Model8-075Model8-150Qty1 Pulley 602 602 727 1563 22 Frame 708303 708462 408452 408315 13 3/8-16x8 ½ Hex Cap Screw 433420 43342 N/A N/A 2 3 ½-13X10” Hex Cap Screw N/A N/A 43361 N/A 43 ¾-10X14” Hex Cap Screw N/A N/A N/A 43720 44 Name Plate 81002 81002 81002 2252 15 6-32x1/4” Self Tapping Screw 43876 43876 43876 43876 46 Table Plate 545 545 702 1534 27 V- Block 336 336 336 1576 28 Table Spacer 716692 568 716 1553 49 Table Channel 4100 4100 2243 4207 210 5/8” Lockwasher 43648 43648 43648 N/A 410 ¾” Lockwasher N/A N/A N/A 43649 411 5/8-11 HEX Nut 43917 43917 43917 N/A 411 ¾-10 Hex Nut N/A N/A N/A 43919 412 Table Pin 2256 2256 2256 N/A 412 Table Pin N/A N/A N/A 1555 613 Base Angle 566 566 566 1551 214 ½-13X1-1/4” Hex Cap Screw 43348 - 43349 1551 4 14 ½-13X1-1/2” Hex Cap Screw 4334914 5/8-11X1 ¾ Hex Cap Screw N/A N/A N/A 43365 415 ½” Lockwasher 43647 43647 43647 N/A 415 5/8 Lockwasher N/A 43648 N/A 43648 416 ½-13 Hex Nut 43916 43916 43916 N/A 416 5/8-11 Hex Nut N/A 43917 N/A 43917 417 Cable 580 580 580 1562 118 Cable Clamp 991 991 583 583 422 Hand Crank Assembly 701653 701653 701653 701653 123 Worm Shaft 384 7530 384 742 125 Worm Key 386 386 386 746 126 Worm 385 385 385 744 127 Hoist Frame 725 725 725 739 128 3/8-16x2 ½ Hex Cap Screw 43335 43335 43335 N/A28 3/8-16X2-3/4” Hex Cap Screw 43335 43335 43335 43353 2 30 3/8-16 Hex Nut 43912 43912 43912 N/A 230 ½-13 Hex Nut N/A N/A N/A 4391631 Drum Shaft 724 724 724 741 132 Drum Key 737 737 737 745 133 Worm Gear 736 736 736 743 134 Cable Drum 723 723 723 740 135 Retaining Ring 43983 43983 43983 -36 Retaining Ring - - - 4398236 Grooved Pin - - - 4406237 Tube Elbow 1252 1252 1252 1944 138 Bushing 1657 1657 1657 N/A 139 Wear Ring 37036 37041 37046 37051 240 T-Ring 17976 17878 17942 37052 141 Piston 35811 35563 35575 35585 142 Cylinder 34321 35561 35589 35584 143 O-Ring 29637 29638 37048 25823 144 T-Ring 37037 37044 36311 37054 145 Wear Ring 37038 37045 37050 37055 1or246 Oil Seal 944 1477 1357 1524 147 PistonGuide 34322 35562 35573 35592 148 Tube Valve to bot. cyl. - - - - 149 Tube valve to top cyl - - - - 150 Straight fitting 17920 17920 17920 17920 3Figure 151 Back up washer 37040 37043 37049 37053 152 Manual 4 way valve 29662 29662 29662 29662 153 Tube Valve to gauge - - - - 154 Panel decal 36590 36590 36590 36590 155 Gauge 71270 71271 71272 71273 156 10-24x2-3/4” mach. Flat hd. Screw 300248 300248 43821 43821 457 Control Panel 81395 813958139581395 158 Tube pump to valve - - - - 159 Tube valve to reservoir - - - - 160 Tube reservoir to pump - - - - 161 Tube elbow62 Tube elbow63 ½-13x1 Socket Hd Cap screw 43469 43347 43469 - 463 ½-13x1 ¼ 43470 43470 43470 43470 464 ½” Lockwasher 43647 43647 43647 - 465 ½-13x3/4 43345 43345 43345 - 466 10-24x3/8 Pan hd. Screw 43881 43881 43881 - 467 5/16-18x1 Hex Cap Screw 43315 43315 43315 - 468 5/16” Lockwasher 43644 43644 43644 - 469 5/16-18x3/4 Hex Cap Screw 43314 43314 43314 - 469 3/8-16x1 Hex Cap Screw - - - 43328 470 Pump 301756 301756 301756 29608 171 Pump Support 25916 25916 25916 36299 172 Coupling Guard 36761 36761 36761 - 173 Motor - 29744 - - 174 Coupling 28498 28498 28498 - 1Coupling Half - - - 29556 1 Coupling Half - - - 29557 1 Spider - - - 29942 175 Adapter Flange 1067 1181 1400 2029 176 Nose Piece 942 1150 3276 1987 177 Pump & Motor Base 36509A 36509A 36509A - 178 3/8-16 Nut hex 43912 43912 43912 - 479 3/8 Lockwashers 43645 43645 43645 - 480 Washers 2248 2248 2248 - 481 Reservoir 36510 36510 36510 36527 182 ¼ Soc pipe plug 1567 1567 1567 1567 183 ¾ Soc pipe plug 1745 1745 1745 1745 184 Breather Filter 29571 29571 29571 29571 185 Straight Fitting 17920 17920 17920 1943 186 3/4x1/2 Reducer - - - 1153 287 Tube Elbow 1252 1252 1252 17974 188 5/16 Lockwashers 43644 43644 43644 - 488 3/8 Lockwashers - - - 43645 489 1/8 Soc pipe plug 589 589 589 589 190 Repair Kit items 39, 40, 43, 44, 45,46, 51711016 711017 711018 711019N/A Table Hoist Assembly items22,23,24,25,26,27,31,32,33,34700112-S 700112-S 1Work head exploded viewItemPart NameModel 25 tonModel 50 tonModel 75 tonModel 150 tonQtyN Adaptor Flange 1067 1181 1400 2029 1 M Nose Piece 942 1150 3276 1987 1 L Piston 35811 35563 35575 35585 1 K Oil Seal 944 1477 1357 1524 1 J Piston Guide 34322 35562 35573 35592 1 H Teflon wear ring 37038 37045 37050 37055 2 G Palmetto ring 37037 37044 36311 37054 1 F Cylinder flange 86610 35565 35593 83880 1 E Back-up washer37040 37043 37049 37053 1 D O-ring29637 37048 25823 1 C Teflon wear ring 37036 37041 37046 37051 2 B Palmetto Ring 17976 17878 17942 37052 1 A Cylinder34321 35561 35589 35584 1 N/A Complete assembly7077257080777080557080781 Repair Kit items C, B, D, G, H, K, E 711016 711017 711018 711019Items 19,22,23,24 torque to 85 In lbsItem Part Name Part numberQty2-6 Pressure head repair kit one each of 2-6 54165 1 13 Grommet 47298 1 39 Handle 301328 1 41 Saddle 301329 1 48 Dual valve operating lever 301330 1* Kit Valve segment unit repair kit, includes one each of items 25and 30 thru 34, two each of items 14, 16, 18, 24, 26 and 28,four each of 15 thru 17, 6 each of 1367741 1 or 2**Kit Segment replacement, includes one each of 19 thru 23, 25, 27,30 thru 34, 41, 44 and 45, two each of 14, 16, 18, 24, 26, 28,29, 37, 38, 42 and 43.301735*Note: 1 pc. For a 3 way valve (new 3way valve part number is 29661) These Dynex valves have all ½” NPT port sizes2 pc. For 4 way valve (new 4 way valve part number is 29662)** Note: This kit is completely assembled and pre tested and ready for service.29662 Dynex valve replaces the Dake valve 26-300 and 26-302. Repair kit for the 26-300 is part number 710146. No repair kit available for the 26-302.29661 Dynex valve replaces the Dake valve 26-301. Repair kit for the 26-301 is part number 710146.Note: If replacing a Dake valve with a Dynex valve, the port location may be different than the Dake valve.THIS DIAGRAM IS FOR THE 25, 50 AND 75 TON MODELSONLYD# 33720Electrical parts listPart # Part description Qty302062 Starter enclosure 129796 Switch manual 1302187 Motor starter 220 volt 1Motor starter 440 volt 166244 Heater overload (150ton only) 3150 ton model onlyD# 81020Part Name25 ton50 ton75 ton150 tonQty1 Reservoir36510 36510 36510 36527 1 1 Reservoir filter breather 29571 29571 29571 29571 2 Motor – electric 301382 301382 301382 70901 1 3 Pump301756 301756 301756 29608 1 4 4 way valve w/relief valve 29662 29662 29662 29662 1 5 Work Head 707725 713717 708055 708078 1 6 Gauge71270 71271 71272 71273 1 N/A Cylinder bore 3 5/8” 5” 6” 8” N/A N/A Rod diameter 2 ¾” 4” 4 ¾” 6” N/A N/A Stroke 10” 10” 10” 16” N/A N/A PSI4845 5100 5305 5970 N/A N/A Piston Thread diameter ACME1 ½ - 62 – 62 ½ - 43 ½ - 4N/A724 Robbins RoadGrand Haven, MI 49417Phone: 616-842-7110 800-937-3253 Fax: 616-842-0859 800-846-3253 Web: E-mail: **************************** *****************************。

DHT11规格书

应用领域
►暖通空调 ►汽车 ► 消费品 ►气象站 ►湿度调节器 ►除湿器
►测试及检测设备 ►数据记录器 ►自动控制 ►家电 ►医疗
订货信息
型号
测量范围
DHT11 20－90％RH 0－50℃
测湿精度 ±5％插
济南联诚创发科技有限公司电子部
Page 1 of 18
长时间暴露在太阳光下或强烈的紫外线辐射中，会使性能降低。 7.6配线注意事项
DATA信号线材质量会影响通讯距离和通讯质量,推荐使用高质量屏蔽线。
济南联诚创发科技有限公司电子部
Page 5 of 18
数字温湿度传感器 DHT11
8、封装信息
9、 DHT11引脚说明
Pin 名称
1
VDD
2
DATA
3
NC
济南联诚创发科技有限公司电子部
Page 8 of 18
数字温湿度传感器 DHT11
MOV A,FLAG JB P2.0,LOOP1_END ;为高电平则跳出 CJNE A,#0,LOOP1 LJMP RH_END LOOP1_END: MOV FLAG,#0 LOOP2: INC FLAG MOV A,FLAG JNB P2.0,LOOP2_END ;为低电平则跳出 CJNE A,#0,LOOP2 LJMP RH_END LOOP2_END: ;进入数据接收阶段 LCALL Read
MOV P0,#0FFH
MOV TMOD,#20H ;T1工作方式2
MOV TH1,#0FDH ;串口波特率为9600
MOV SCON,#50H ;串口工作于方式1并允许接受
SETB TR1
;启动T1
SETB ES
;允许串口中断