Explosion proof type differential pressure switch_P970 (953 series)
P970 (953 series)
Service intended
P970 diaphragm type differential pressure switch can be used in a variety of process lines. Internal micro switch is operated by pressure of various fluids, such as atmospheric pressure and water pressure. The pressure sensing part is a force balanced and piston actuated assembly.
| Fluid | Gas and oil |
| Repeatability | ±1.0 % of adjustable range |
| Adjustable range (mbar, kPa, bar, MPa) | 15 kPa to 0.4 MPa |
| Dead band | Fixed One SPDT : Approx. 5 % of adjustable range Two SPDT : Approx. 10 % of adjustable range |
| Working temperature | Ambient : -40 ~ 65 °C Fluid : Max. 100 °C |
| Static pressure | Max. 0.2, 5 MPa |
| Degree of protection | EN60529/IEC529/IP65 |
Standard features
| Pressure connection | Stainless steel (316SS) 316L SS, Monel and Hastelloy-C |
| Element | Stainless steel (316L SS) Monel, Hastelloy-C Viton (Up to 4 kPa adjustable range) |
| Case and cover | ALDC 12.1 Silver gray painted aluminium |
| Process connection | ¼" NPT (F) |
| Contact | Micro contact type One SPDT (P970-1B3) Two SPDT (P970-2B3) (Only available with single setpoint) |
| Contact rating | SPDT contact rating AC 125 V / 250 V, 15 A DC 125 V, 0.4 A for resistance load DC 125V, 0.03 A for inductive load |
| Conduit connection | ¾" NPT (F) |
| Certificates | KCS Ex d IIC T6 ATEX II 2G Ex d IIC T6 Gb IECEx Ex d IIC T6 Gb |
Công tắc chênh áp P970 Wise - Đại lý Wisecontrol Việt Nam
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