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Testo 720

Available for hire

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The Testo 720 measuring instrument comes with 4 wire sensor technology to provide greater measuring accuracy over convential Type T and K style units. Due to its rugged, water resistant design, large display, and extensive measuring range, Testo 720 is the ideal instrument for everyday measurements in industry.

The (optional) glass-coated laboratory probe with replaceable glass tube can be used for applications in corrosive atmospheres. The cork screw probe facilitates temperature monitoring in frozen food.

Product Features

  • Range of accessories
  • Calibration options
  • Document downloads

Instrument product options

1. Select a model (1 available)

Model subtotal: £129.00
Total (excl VAT): £129.00
Continue to select accessories

2. Select accessories (9 available)

3. Select a calibration (5 available)



  • Continuous display of max/min values
  • Hold button to freeze readings
  • Display back light
  • Audible alarm (adjustable limit values)
  • Accurate one channel measuring instrument for Pt100 or NTC probe
  • Resistant to corrosive media and damage with TopSafe (optional)
  • On site printout on Testo printer (optional)


NTC probe

Measuring range -50 to +150°C

Measuring accuracy ±1 digit ±0.2°C (-25 to +40°C), ±0.3°C (+40.1 to +8 °C), ±0.4°C (+80.1 to +125°C), ±0.5 °C (remaining range)

Pt100 probe

Measuring range -100 to +800°C

Measuring accuracy ±1 digit ±0.2% of mv (+200 to +800 °C) ±0.2 °C (remaining range)

Instrument resolution 0.1°C

Instrument operating temperature -20 to +50 °C

Important note The Instrument Hire models may differ from that pictured, but all are supplied as standard with air, surface and immersion probes.



Testo 720 digital thermometer data sheet

  • Technical Document
  • PDF file
  • 590 KB

Testo 720 user manual

  • Technical Document
  • PDF file
  • 270 KB
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