Thermapen® IR – Infrared Thermometer


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  • Thermapen® IR infrared thermometer with a foldaway probe
  • Patented, automatic 360° rotational display
  • Adjustable emissivity for different surfaces
  • Motion-sensing sleep mode – probe only
  • FREE traceable certificate of calibration (probe & IR)
  • Meets the European Standard EN 13485

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Product Description

Thermapen® IR Thermometer for contact & non-contact measurement and monitoring.

  • Measures surface, liquid and semi-solid temperatures
  • Free traceable certificate of calibration
  • Target distance/diameter ratio 5:1
  • Automatic 360° rotating display
  • Motion-sensing sleep mode
  • Adjustable emissivity

The Thermapen’s newest iteration is a combination of two high-quality thermometers into one high-tech tool. First it takes the incredible speed and accuracy of the Thermapen Mk4 probe and then adds an infrared sensor currently on the leading edge of surface temperature measurement.

Housed in a robust ABS case containing ‘Biomaster’ additive which reduces bacterial growth, the Thermapen IR incorporates a motion-sensing sleep mode (penetration probe only) which automatically turns the instrument on/off when set down or picked up, maximizing battery life.

Infrared thermometer
Simply aim the infrared thermometer at the target and press the scan button to display the surface temperature. Please Note: the infrared non-contact function will only measure when the probe is in the closed position.

The Thermapen IR thermometer incorporates a max/min temperature function accessed via the mode button (IR only). The distance to target ratio is 5:1, therefore the thermometer should be positioned as close to the target as possible. The default emissivity is 0.95 but can be adjusted between 0.1 and 1.0, if required via the mode button.

Penetration probe
Alternatively, it is possible to take liquid or semi-solid product temperatures using the reduced tip, stainless steel penetration probe (Ø3.3 x 110 mm). The probe conveniently folds back through 180° into the side of the instrument when not in use.

range – infrared: -49.9 to 349.9°C
range – probe: -49.9 to 299.9°C
resolution: 0.1 or 1°C/°F – user selectable
accuracy – infrared: ±1°C (0 to 100°C) otherwise ±2°C or ±2% of reading whichever is greater
accuracy – probe : ±0.4°C (-49.9 to 199.9°C) otherwise ± 1°C
field of view: target ratio 5:1
emissivity: 0.95 default – adjustable 0.1 to 1.00
battery: 2 x 3 volt CR2032 lithium coin cell
battery life: 1000 hours continuous use
display: 12mm (horizontal) & 10mm (vertical) LCD – 360° rotation
dimensions: 19 x 50 x 157mm
weight: 125 grams
certification: FREE traceable calibration certificate
conforms to the standard: EN 13485


Thermometer Probe Wipes Thermometer Hardcover Zippered Case Thermometer Vinyl Pouch
Thermometer Probe Wipes Thermometer Hardcover Zippered Case Thermometer Vinyl Pouch


Comparison between Thermapen MK4 – Thermapen IR Thermometer

Download IR Thermapen Instructions

Additional Information

Weight 0.30 kg
Dimensions 23 × 16 × 4 cm

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