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Purple Thermapen 4

Thermapen 4 Handheld Thermometers

Buy the superfast Thermapen 4 from Signatrol

  • Measures from -49.9 to +299.9
  • Reaches Temperature In 3 Seconds
  • Motion Sensing Sleep Mode
  • Waterproof to IP67




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The SuperFast Thermapen 4 is the UK’s number one selling food thermometer. Used by hundreds of thousands of people worldwide, it offers a combination of speed, accuracy and convenience of use. The new Thermapen 4 uses advanced technology and includes a number of innovative features illustrated below - Click image to download PDF.

The patented 360° self-rotating display can be used in any position, in either hand and is truly ambidextrous. The Thermapen 4 incorporates an intelligent backlit display sensing light levels, automatically turning the backlight on/off in varying light conditions. The motion-sensing sleep mode automatically turns the Thermapen 4 on/off when set down or picked up, maximising battery life. Measuring temperature over the range of -49.9 to 299.9 °C and used by hundreds of thousands of discerning cooks worldwide, it offers a combination of speed, accuracy and convenience of use.

The casing is washable and includes Biomaster additive that reduces bacterial growth and the ergonomic rubber seal minimises the risk of the ingress of water, dust or food.

As well as being waterproof to IP67/67, it is still 'probably' the fastest reading contact thermometer on the market today . The true temperature of a product can be tested in just three seconds. The Thermapen 4 incorporates a reduced tip, stainless steel, food penetration probe (Ø3.3 x 115 mm) that conveniently folds back through 180° into the side of the instrument when not in use.
Power Internal Battery
Battery Life Typically 3,000 hours
Measuring Range -49.9°C to +299.9°C (-40°F to +185°F)
Accuracy ±0.4°C from -49.9°C to +199.9°C
±1.0°C outside of this range
Calibration certificate INCLUDED
Resolution 0.1°C or 1.0°C (User Selectable)
Display 15mm (horizontal) & 11mm (vertical) LCD - 360° rotation
Backlight Yes
Dimensions 19 x 50 x 157mm
Response Time 3 Seconds
Waterproofing IP67
Case Material ABS plastic with Biomaster anti-bacterial additive
Measurement Units °C or °F
Warranty 2 Years