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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