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Light gray digital differential pressure gauge with 5 inch dial

Dwyer Instruments Inc.

Dwyer Instruments Inc. DM-1124 Digital Differential Pressure Gauge, 5 in Dial, 0.125 in wc accuracy 1.00%

SKU CH-397S-30TKQ

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

  • Color and finishLight Gray
  • Product typeElectronic
  • ±1.00 % accuracy for reliable readings
  • 5 in dial shows values clearly
  • eight selectable units cover diverse tasks
  • 9 V battery or 9–24 V DC line power
  • glass-filled plastic case resists impact

Digital Differential Pressure Gauge

The Dwyer Instruments DM-1124 is a digital differential pressure gauge built for HVAC technicians, facility engineers and laboratory staff who need reliable low-pressure readings across a range of units. It presents measurements on a 5 in nominal dial with an accuracy of +/- 1.00 percent, making it suitable for air-flow balancing, filter monitoring and clean-room verification.

Power and mounting compatibility

Before ordering, confirm that your installation can supply either a 9V DC battery or a 9 to 24V DC line-power source, because the gauge accepts both but ships without a battery. Check that the process connections match your tubing or piping and that the light gray glass-filled plastic case fits the available panel space and environmental conditions.

Display units and differential measurement

The instrument displays pressure in in Hg, in wc, kPa, mBar, mm Hg, mm wc, Pa and psi, so you can read directly in the unit your procedure requires without manual conversion. Its differential measurement capability lets you capture the difference between two pressure points, which simplifies data logging for ventilation tests and filter-loading studies.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $245.99
Pricier than about 80% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameDWYER INSTRUMENTS
Color and finishLight Gray
Product typeElectronic

Questions about this item

What comes in the box with the DM-1124 and do I need to buy a power source separately?

The gauge requires a 9 V DC battery or a 9 to 24 V DC line-power supply; neither is included in the package.

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

The DM-1124 is the model specified with a ±1.00 % accuracy rating at that resolution.

What does the ±1.00 % accuracy figure mean when the gauge is installed in a live system?

It indicates the reading will stay within 1.00 percent of the true differential pressure across the selectable units.

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