从全球市场供应商批量进口Differential Pressure Switch

Applications: Air and other non-combustible, non-aggressive gases 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, different engineering units available, see order information Pressure limit: 7500Pa Working temperature limit: -20~ 85ípC Storage temperature limit: -40~85ípC Pressure connection: ª+6.0mm 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: í+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 factory-calibrated position. If horizontally installation needed, the switching value should plus about 20pa (cover upward) and minus about 10pa (cover downward). See operation manual. Accessory: the pressure connection set (part number 1001) includes plastic pipe 2m, 2 pressure connection parts and 4 screws. MODELS: 609. X X X Scales for different units Enclosure With install ear 0 No ear, with bracket 1 mbar inch wc mm wc Adjustable range 20-300Pa 0 0.2-3 0.08-1.2 2-30 50-500Pa 1 0.5-5 0.2-2 5-50 100-1000Pa 2 1-10 0.4-4 10-100 0.5-2.5KPa 3 5-25 2-10 50-250 Engineering unit Pa 0 mbar 7 inch wc 8 mm wc 9 DEAD BAND INFORMATION: Part No. Range DB 609.X0X 20-300Pa 10Pa 609.X1X 50-500Pa 20Pa 609.X2X 100-1000Pa 20Pa 609.X3X 0.5-2.5KPa 30Pa 609.X4X 1-5KPa 100Pa