Ultra Low pressure gauge

Type: P423

 

Service intended

 

P423 series are designed to measure ultra low, vacuum or compound pressure. 
These models have a stainless steel measuring element 
which consists of two formed diaphragms and diaphragms 
are welded together.

 

Nominal diameter

 

100 mm

 

Accuracy

 

· ±1.6% of full scale 

 

Scale range (kPa, mbar)

 

· -1 ~ 0 to -0.2 ~ 0 kPa
· -0.1 ~ 0.1 to -0.5 ~ 0.5 kPa
· 0 ~ 0.2 to 0 ~ 1 kPa

 

Working pressure

 

· Steady pressure : 75% of full scale 
· Over range protection : 130% of full scale

 

Working temperature

 

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

 

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)
· Pressure Chamber : Up to 1 kPa

 

Case

 

Stainless steel (304SS)

 

Cover

 

Stainless steel (304SS)

 

Window

 

Safety glass

 

Movement

 

Brass

 

Dial

 

White aluminium with black graduations

 

Pointer

 

Black painted aluminium alloy

 

Process connection

 

¼", ⅜", ½" PT, NPT and PF 

 

Option

 

Internal zero adjustment

 

 

Download:  CATALOG 

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