Low pressure gauge (Capsule system)
Type: P422
 
Service intended
 
P422 series are designed to measure low, vacuum or compound pressure. These models have a 316L SS measuring element which consists of two formed diaphragms and diaphragms are welded together.
 
Nominal diameter
 
63, 80, 100 and 160 mm
 
Accuracy
 
±1.0 % of full scale
±1.6 % of full scale
 
Scale range (kPa, mbar)
 
-35 ~ 0 to -2 ~ 0 kPa
-15 ~ 15 to -0.5 ~ 0.5 kPa
0 ~1 to 0 ~ 2 kPa
 
Working pressure
 
Steady : 75 % of full scale
Over range protection : 130% of full scale
 
Working temperature
 
Ambient : -20 ~ 65 °C
               -40 ~ 65 °C (With silicone filling)
Fluid : Max. 100 °C
 
Degree of protection
 
EN60529/IEC529/IP65 (100 mm)
 
Temperature effect
 
Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.6 % per 10 ℃ of full scale
 
 
Standard features
 
Pressure connection
 
Stainless steel (316SS)
 
Element
 
Stainless steel (316L SS)
Capsule system : Up to 35 kPa
 
Case
 
Stainless steel (304SS)
 
Cover
 
Stainless steel (304SS)
 
Window
 
Safety glass
 
Movement
 
Stainless steel
 
Dial
 
White aluminium with black graduations
 
Pointer
 
Black painted aluminium alloy
 
Process connection
 
¼", ⅜", ½" PT, NPT and PF
 
Certificates
 
ATEX Ex II GD c IIc TX
 
Option
 
Silicone filling
 
 
Download:  CATALOG