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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




Indicator : ±1.0 % of full sacle
Switch setting : ±3 % of full sacle




±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




C type bourdon tube, Helical type bourdon tube


Case and cover


Silver gray painted aluminium


Setpoint adjustment






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




KCS Ex d IIB+H2 T6



Download:  CATALOG 

Đồng hồ áp suất + công tắc áp chống cháy nổ P990 (Explosive proof)

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