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 

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