Explosion proof type indicating pressure switch (125 mm)
Type: P990
 
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
 
 
Download:  CATALOG