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Low pressure gauge_P421 series

Low pressure gauge_P421 series

Details

Service intended

P421 series are designed to measure 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 and 150 mm
Accuracy ±1.0 % of full scale
±1.5 % of full scale
Scale range (kPa, mbar) -50 ~ 0 to -1 ~ 0 kPa
-15 ~ 15 to -0.5 ~ 0.5 kPa
-0.2 ~ 0 to -0.6 ~ 0 kPa
0 ~1 to 0 ~ 35 kPa
Working pressure Steady : 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 (316L SS)
Element Stainless steel (316L SS)
Pressure chamber : Up to 35 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
Certificates ATEX Ex II GD c IIc TX
Option • Internal zero adjustment, only available with diameter 100 mm
• Laminate safety glass

 

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