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Red infrared thermometer pistol grip, white backlit LCD display, laser targeting, 220mm x 120mm x 56mm

CEM

CEM DT-8839 Infrared Thermometer 50:1 1000°C electrician tool

SKU CH-P2NH-VRKSS MPN DT-8839

Measures up to 1000°C with a 50:1 distance-to-target ratio for precise non-contact readings

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Measures small targets from far away with 50:1 optical resolution
  • Reads up to 1000 °C for high-temperature electrical work
  • Delivers results in 150 ms for rapid fault finding
  • Adjustable emissivity improves accuracy on varied surfaces
  • Records max, min, average and differential for trend analysis

Professional temperature measurement

The CEM DT-8839 is a high-temperature infrared thermometer built for electricians and industrial technicians who need non-contact surface readings up to 1000 °C or 1832 °F. Its 50:1 distance-to-target ratio allows accurate measurement of small areas from a safe distance, while adjustable emissivity and laser targeting improve precision across varied materials. A 150 ms sampling rate and one-percent accuracy support fast diagnostics on electrical panels, motors and HVAC systems.

Data capture and alerts

On-board functions include Max, Min, Difference and Average recording plus programmable high and low alarms that flag out-of-range temperatures immediately. A trigger-lock feature enables continuous monitoring without holding the button, and automatic data hold freezes the last reading for easy notation. The white backlit LCD ensures visibility in dim plant rooms or ceiling voids, while auto power-off conserves battery life during intermittent use.

Rugged handheld design

The unit measures 220 mm by 120 mm by 56 mm and fits securely in a tool bag or belt pouch for daily carry. Red colour coding aids quick identification among other test equipment. Batteries are not supplied due to air-freight restrictions, so users must source them locally before first use. An English manual is not included in the box but can be requested from customer service after purchase.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $262.99
Pricier than about 84% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameCEM
Model nameDT-8839
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

Will the adjustable emissivity setting need recalibration over time?

The thermometer offers adjustable emissivity for different surfaces; the supplier lists parts coverage for three years and labour for one year, suggesting those are the expected service intervals.

At what temperature does the 1000 °C upper limit stop the DT-8839 from reading higher?

The DT-8839 measures up to 1000 °C (1832 °F); beyond that the display shows an overrange indication and no further temperature data is recorded.

How hot does the DT-8839 body get during continuous all-day scanning?

The unit is a handheld infrared thermometer with a white backlit LCD and laser targeting; no internal heating components are described, so the housing remains at ambient temperature during extended use.

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