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Capsule Pressure Gauges
Wika Capsule Pressure Gauge Model 612.20.100, 0...300 mbar / 0...3000 mmWC, Dual Scale, 4" Dial, 1/2" NPT Lower Mount, 84272196
WIKA

Wika Capsule Pressure Gauge Model 612.20.100, 0...300 mbar / 0...3000 mmWC, Dual Scale, 4" Dial, 1/2" NPT Lower Mount, 84272196

Mfr. part no.
84272196
SKU
PW40-MBAR-300

Specifications

Measuring Range 0...300 mbar
Dial Size 100 mm / 4"
Process Connection 1/2" Male NPT
Accuracy Class Class 1.6 to EN 837-3
Case Material Stainless steel case with cam-ring (bayonet) bezel
Wetted Parts Copper alloy
Window Flat instrument glass
Ambient Temperature Range -20...+60 °C
Ingress Protection IP54
Media Compatibility Dry, non-aggressive gases that do not corrode copper alloy
Mounting Position Lower mount

Key Features

  • Capsule pressure gauge, industrial series model 612.20.100 for ultra-low pressures
  • Dual scale 0…300 mbar primary & secondary scale mmWC (red).
  • 1/2" NPT lower Mount process connection
  • Copper alloy capsule measuring system for dry, non-aggressive gases
  • Stainless steel case with cam-ring (bayonet) bezel and flat glass window
  • Accuracy class 1.6 to EN 837-3
  • Typical ambient temperature -20…+60 °C, medium temperature up to +100 °C
  • High resolution at low pressures for accurate draft and level indication
  • Made in Switzerland.

Description

The WIKA 612.20.100 capsule pressure gauge provides accurate measurement of low pressures from 0…300 mbar / 0...3000 mmWC using a copper alloy capsule measuring system. A 100 mm dial with 0…300 mbar primary scale and red mmWC secondary scale allows easy reading of pressure in mbar and water column units. The instrument is built with a stainless steel case and cam-ring (bayonet) bezel, flat instrument glass window and 1/2" NPT lower Mount process connection, offering a rugged housing for industrial, HVAC and environmental applications. Design and performance are based on EN 837-3 with class 1.6 accuracy and typical permissible ambient temperatures from -20…+60 °C. This configuration is well suited for low-pressure pneumatic systems, filter monitoring and level indication where medium pressure ranges up to 300 mbar are required.

Typical Applications

  • Draft and chimney pressure monitoring in boilers, heaters and flues
  • Filter and blower differential pressure indication at very low pressures
  • Sensitive low-pressure pneumatic control and monitoring
  • Level measurement in open tanks using mmWC indication at low ranges
  • Laboratory and environmental monitoring of ultra-low gas pressures

Documents

  • Wika Datasheet-84272196

    PDF, 47 KB

  • Wika-612.20 Model — Datasheet

    PDF, 575 KB

  • Wika-612.20 Model Technical Data

    PDF, 604 KB

  • Wika Pressure Gauge Operating — Instructions

    PDF, 383 KB

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