P990 Series_Explosion proof type indicating pressure switch (125 mm)
Service intended
P990 series explosion proof type indicating pressure switches are micro contact type. It is suitable to be used with corrosive fluid and it can measure a high pressure. Dead band is fixed.
| Nominal diameter | 125 mm |
| Accuracy | Indicator : ±1.0 % of full sacle Switch setting : ±3 % of full sacle |
| Repeatability | ±1.0 % of adjustable range |
| Adjustable range (MPa, kPa, bar) | -0.1 ~ 0 to -0.1 ~ 2 MPa 0 ~ 0.1 to 0 ~ 40 MPa |
| Switch differential | Fixed, less than 6 ~15 % of full sacle |
| Working temperature | Ambient : -20 ~ 65 °C Fluid : Max. 100 °C |
| Temperature effect | Accuracy at temperature above and below the reference temperature (20 °C) will be effected by approximately ±0.4 % per 10 °C of full scale |
Standard features
| Element | C type bourdon tube, Helical type bourdon tube |
| Case and cover | ALDC12.1 Silver gray painted aluminium |
| Setpoint adjustment | External |
| Contact | Micro contact type One SPDT or Two SPDT |
| 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” PF (F) |
| Process connection | ⅜”, ½” PT, NPT and PF |
| Certificates | KCS Ex d IIB+H2 T6 |
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