Mid-West Instrument Model 109 Differential Pressure Gauge

The Model 109 Bourdon Tube Differential Pressure Gauge by Mid-West Instrument offers high accuracy with ±1/2% or ±1% full-scale accuracy.

Model 109 “Bourdon Tube” Type DP gauge

Model 109 features a rugged Bourdon tube sensing element, weather-resistant construction, and shatter-resistant lens. The gauge provides over-range protection, locked-logic switch options, and a 5-year warranty. It is suitable for various applications such as pump performance testing, hydraulic filter monitoring, and heat exchanger pressure drop monitoring. The gauge is available in different dial sizes and scale ranges, with working pressures up to 6000 PSIG. The electrical specifications include locked logic switch options and weather-proof enclosures for hazardous locations.

Specifications

Differential Pressure Range 0-15 PSID to 0-6000 PSID (or Equivalent) Uni-directional or Bi-directional
Accuracy ±1% F.S. Standard, ± 1/2% F.S. Optional
Dial Size 6″ (Standard), 4-1/2″ (Optional)
Working Pressure up to 6000 PSIG (400 bar)
Material of Construction – Body Aluminum, Brass, Carbon Steel, 316/316L Stainless Steel
Materials of Construction – Internals Copper Alloy or Stainless Steel
Switch Options:
- 1 or 2 Switches
- SPDT or DPDT Outputs
- 10 AMP @ 30 VDC, 120/240 VAC
- Adjustable from 5 to 95% F.S.
Electrical Enclosures Weather-proof or Explosion-proof

Common Applications

Pump Performance Testing
Flow Indication
Hydraulic Filter Monitoring
Heat Exchanger Pressure
Drop Monitoring

Special Features

Over-range Protection – Full to Maximum Working Pressure
Panel Mounting – Standard, Front or Panel 6″ or 4-1/2″
Dry Design, No Liquid Fill Required for Over-range Protection
Glass Reinforced Thermoplastic Gauge Front Is Standard
Weather Resistant & Corrosion Resistant Gauge Front
270º Dial Arc
Flow Scales Available

DOWNLOAD OUR MODEL 109 CATALOG DATASHEET.

109CAT

DOWNLOAD OUR MODEL 109 ELECTRICAL DATASHEET.

109ELE

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