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UEI EM152 digital manometer with backlit LCD display

Uei Test Instruments

Uei Test Instruments EM152 Digital Manometer Differential Backlit LCD ±60 in wc accessory

SKU CH-VZMS-5W5JZ

Measures differential gas pressure from –60 to 60 in wc with ±0.3 % full-scale accuracy on a backlit LCD

  • Measures differential pressure up to ±60 in wc for HVAC diagnostics
  • Backlit LCD ensures clear readings in dim or bright conditions
  • Accuracy of ±.3 % of full scale supports reliable gas pressure checks
  • Auto power-off extends 9 V battery life during field use
  • Data hold function freezes display for easy recording

Purpose and user

The Uei Test Instruments EM152 is a digital manometer built for differential gas-pressure measurement up to ±60 in wc. It suits HVAC technicians and field engineers who need a portable, battery-powered instrument for quick on-site checks.

Interface limits

The device connects through a 1/4 in hose barb and provides an accuracy of ±.3 percent of full scale. A backlit LCD and data-hold function aid readability, while the lack of a data interface means readings must be recorded manually. Auto power-off helps conserve the 9 V battery during intermittent use.

Build and daily use

The unit arrives new with the required 9 V battery included and no calibration certificate supplied. Its handheld form and hose-barb fitting allow direct connection to test ports without additional adapters, making it practical for routine pressure verification in gas applications.

How it compares

Measured against everything we stock in Pressure Washer Guns & Spare Parts, at today’s prices. Recalculated every night.

Price $112.99
Pricier than about 78% of the 141 comparable items (median $26.99).

Specifications

Product
Brand nameUEI TEST INSTRUMENTS

Questions about this item

Should I choose the EM152 model or a different pressure range for gas system testing?

The EM152 covers a differential range of ±60 in wc with an accuracy of ±.3 percent of full scale, making it suitable for low-pressure gas applications where that span matches the expected readings.

What does the ±60 in wc range mean when I am measuring furnace manifold pressure?

The instrument reads from -60 to +60 in wc, so a furnace manifold pressure of 3.5 in wc falls well within the scale and the ±.3 percent full-scale accuracy applies across the entire span.

How does the 1/4 in hose barb connection affect the pressure reading in the field?

The 1/4 in hose barb provides a direct barbed fit for flexible tubing, allowing gas pressure to reach the sensor without an adapter and preserving the stated ±.3 percent full-scale accuracy.

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