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Light grey digital differential pressure gauge with five inch dial display

Dwyer Instruments Inc.

Dwyer Instruments DM-1127 Digital Differential Pressure Gauge 5 in Dial 0.125 measurement tool

SKU CH-GWTR-96PBY

Measures differential pressure with ±1.00% accuracy and displays readings in eight selectable units

  • Color/FinishLight Gray
  • TypeElectronic
  • Accurate readings within +/- 1.00 % full scale
  • Eight selectable pressure units including psi and kPa
  • Differential measurement for positive, negative or bi-directional pressure
  • Powered by 9 V battery or 9 to 24 V DC supply
  • Durable glass-filled plastic case in light gray finish

Digital Differential Pressure Gauge

The Dwyer Instruments DM-1127 is a digital differential pressure gauge built for technicians who need accurate readings across multiple units. Its 5 in dial displays measurements in Hg, in wc, kPa, mBar, mm Hg, mm wc, Pa and psi with a stated accuracy of +/- 1.00 Percent.

Installation and common issues

The gauge operates from a 9V DC battery or a 9 to 24V DC line-power source, so wiring is straightforward for panel or bench use. The glass-filled plastic case resists impact, but the sensor ports must be kept clean and dry to avoid drift or blockage.

Pre-order checks

Verify that your application requires differential measurement rather than absolute or gauge-only pressure. Confirm the available power source matches either a 9V battery or a 9 to 24V DC supply, and ensure the required pressure range falls within the instrument’s 0.125 capability.

Highlights

  • Accurate readings within +/- 1.00 % full scale
  • Eight selectable pressure units including psi and kPa
  • Differential measurement for positive, negative or bi-directional pressure
  • Powered by 9 V battery or 9 to 24 V DC supply
  • Durable glass-filled plastic case in light gray finish

Specifications

BrandDWYER INSTRUMENTS
Color/FinishLight Gray
TypeElectronic

Questions about this item

How do I verify the gauge is reading within its stated accuracy after installation?

Apply a known reference pressure and confirm the display stays within ±1.00 % of that value across the available units.

What ships with the DM-1127 and what must I source separately?

The gauge ships with its glass-filled plastic case and display; a 9 V DC battery or 9–24 V DC line-power supply must be purchased separately.

Which DM-1000 series model should I choose for a 0.125 in wc range?

Select the DM-1127, which is the DM-1000 series variant specified for that measurement range.

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