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 

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