压差开关

609 Adjustable Air Differential Pressure Switch Datasheet
Media
Air and other non-combustible, non-aggressive gases
Applications
Monitor overpressure, vacuum and differential pressure for air and compatible gases. Possible applications are: monitor air filters and ventilators monitor air status in heating and cooling circuits monitor flows in ventilation duct other applications
Specifications
Adjustable range: 5 ranges selectable, see order information Pressure limit: 7500Pa (-30T75) Working temperature limit: -20~ 85°C，Storage temperature limit: -40~85°C Pressure connection:ø6.0mm plastic pipe, P1 high and P2 low pressure Service life: over 106 switching cycles Electric Contact: SPDT, max 2A/250VAC, max frequency 6 switching cycles/min Electrical connection: 3 screw terminals Repeatability: ±2% Materials: housing PC, cover PC, diaphragm silicone and contact silver Weight: 140g with bracket, 90g without bracket Protection: IP54 with cover Installation: vertical, pressure ports P1 and P2 downward. This is the
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factory-calibrated position. If horizontally installation needed, the switching value should plus about 20pa (cover upward) and minus about 10pa (cover downward). Accessory: the pressure connection set (part number 1001) includes plastic pipe 2m, 2 pcs pressure connection parts and 4 pcs screws.
Part number：1001
Structure
1． Bracket for installation 2． Diaphragm 3． P1 high pressure or low vacuum 4． P2 low pressure or high vacuum 5． Scale knob（switching point setting） remark：this is the installation style with bracket. For other style with installation ear, please see the picture upwards. The 2 styles are for different applications. Their inner structures are the same.
Order information
609 differential pressure switch ordering information 609. Enclosure With install ear No ear, with bracket Adjustable range 20-300Pa 50-500Pa 100-1000Pa 500-2500Pa 1000-5000Pa Accessory 1001 With accessory Without accessory X 0 1 0 1 2 3 4 0 1 X X 609 switch dead band information Part No. 609.X0X 609.X1X 609.X2X 609.X3X 609.X4X Range 20-300Pa 50-500Pa 100-1000Pa 500-2500Pa 1000-5000Pa Dead band 10Pa 20Pa 20Pa 30Pa 100Pa
Remark: the dead band is factory set.
Contact arrangement
Dimensions
1 Com 2 Normal close contact 3 Normal open contact
Manufacturer:
Shenzhen CATIC Intelligent System Co. Ltd. Add: Rm. 1608, Block A, Overseas Decoration Bldg., 122 Zhenhua Road, Shenzhen 518031, P.R.CHINA TEL：755-83348810 FAX：755-83222340 E-mail:sales@ Page 2 of 2