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Red handheld portable infrared calibrator with 57 mm blackbody target

CEM

CEM BX-500 Portable Infrared Calibrator 50-500°C 57 mm 0.95 emissivity

SKU CH-GTYX-E5J29 MPN BX-500

Portable infrared calibrator with a 57 mm blackbody target at 0.95 emissivity, adjustable from 50 to 500 °C in 0.1 ° steps

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Calibrate IR thermometers up to 500 °C with a stable blackbody target
  • Large 57 mm target covers wide field-of-view variations
  • High 0.95 emissivity ensures reliable non-contact readings
  • Fine 0.1 °C set-point steps from 50 °C to 500 °C
  • Optional contact well behind surface adds traceable precision

Portable infrared calibrator

The CEM BX-500 is a handheld device that provides a stable blackbody target for verifying non-contact IR thermometers. It covers a range from 50 to 500°C with set-point increments of 0.1°. The target measures 57 mm in diameter and has an emissivity of 0.95.

Suitable for technicians calibrating handheld

Professionals who need a portable reference source for infrared thermometer accuracy will find this unit practical. It is not intended for users requiring calibration above 500°C or for those needing a built-in power supply, as batteries are not included.

57 mm target with 0.95 emissivity

The large isothermal target offers a wide field of view to accommodate optical variations in different IR thermometers. A contact calibration well behind the blackbody surface allows for higher precision checks using an optional digital RTD thermometer.

How it compares

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

Price $848.99
Pricier than about 92% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameCEM
Model nameBX-500
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

What comes with the BX-500 and what must I source separately?

The calibrator ships as a single unit in a box. Batteries are not included due to air-shipping restrictions; buy them locally. An English manual is not supplied but can be requested from customer service after purchase.

How do I decide between the temperature range and target size when selecting this model?

The BX-500 covers 50°C to 500°C with a 57 mm (2.25") diameter blackbody target. Choose it when you need to verify IR thermometers across that span and the aperture fits your instrument's field of view.

What does the 0.95 emissivity figure mean when I use the calibrator on a real instrument?

The isothermal target emits at 0.95, so IR thermometers set to that value will read the true set-point temperature in 0.1° increments from 50°C to 500°C without an emissivity correction.

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