Explosion proof type indicating pressure switch (125 mm) 
Model : 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

Repeatability

Adjustable range (MPa, kpa, bar)

●-0.1 ~ 0 to -0.1 ~ 2 MPa 
●0 ~ 0.1 to 0 ~ 40 MPa

Accuracy

●Indicator : ±1.5% of full scale 
●Switch Setting : ±3% of full scale

Switch differential

Fixed, less than 6 ~15% of full sacle

Working temperature

●Ambient : -20 ~ 65°C 
●Fluid : Max. 100°C

Element

●C type bourdon tube, 
●Helical type bourdon tube

Case and cover

●ALDC12.1 
●Silver gray painted aluminium

Process connection

⅜", ½" PT, NPT and PF

Setpoint adjustment

External

Conduit connection

¾" PF (F)

Contact

●AC 125 V / 250 V, 15 A and DC 30 V, 2 A 
DC 125 V, 0.5 A for resistance load 
●AC 125 V / 250 V, 15 A and DC 30 V, 1 A 
DC 125 V, 0.05 A for inductive load

Approval

KOSHA 10-AV2B0-0272

Explosion proof type indicating pressure switch (125 mm)