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Low Pressure Gauge P421 Series

Brand: Wise Control Inc

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.

Specifications

Accuracy

  • ± 1.0 % of Full Scale
  • ± 1.5 % of Full Scale

Approvals & Certifications

  • ATEX Ex II GD C IIC TX

Case

  • 304 Stainless Steel

Cover

  • 304 Stainless Steel

Dial

  • White Aluminum with Black Graduations

Element

  • 316L Stainless Steel
  • Pressure Chamber: up to 35 kPa

Movement

  • Brass

Nominal Diameter

  • 100 & 150 mm

Options

  • Internal Zero Adjustment, Only Available with Diameter 100 mm
  • Laminate Safety Glass

Pointer

  • Black Painted Aluminum Alloy

Pressure Connection

  • 316L Stainless Steel

Process Connection

  • 1/4”, 3/8”, 1/2” PT, NPT & PF

Scale Range (KPa, Mbar)

  • -15 ~ 15 to -0.5 ~ 0.5 kPa
  • -0.2 ~ 0 to -0.6 ~ 0 kPa
  • 0 ~1 to 0 ~ 35 kPa
  • -50 ~ 0 to -1 ~ 0 kPa

Temperature Effect

  • ± 0.6 % Per 10° C of Full Scale
  • Accuracy at Temperature Above & Below the Reference Temperature (20° C) Will be Effected by Approximately

Window Material

  • Safety Glass

Working Pressure

  • Steady: 75 % of Full Scale
  • Over Range Protection: 130 % of Full Scale

Working Temperature

  • Ambient: -20° to 65° C
  • Fluid: Max.

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