Đồng hồ áp suất thấp P421 - Wise Vietnam - TMP Vietnam

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 ~ 0kPa 
-15 ~ 15 to -0.5 ~ 0.5kPa 
-0.2 ~ 0 to -0.6 ~ 0 kPa 
0 ~ 1 to 0 ~ 35kPa

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

Pressure connection

Stainless steel (316SS)

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 aluminum 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 100 mm)

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Đồng hồ áp suất thấp P421 - Wise Vietnam - TMP Vietnam