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Precision Thermometer & Precision Plus thermometers

£90.00 ex. VAT

Precision & Precision Plus PT100 high accuracy thermometers. Precision Plus unavailable for next day delivery as certificated at time of order.

  • FREE certificate of calibration included
  • high accuracy ±0.2 °C or 0.05 °C
  • interchangeable PT100 probes
  • 2 year guarantee
  • for Precision probes click here
  • for Precision Plus probes click here


More details

Availability: certificated at time of order

Precision Thermometer & Precision Plus PT100 thermometers. High accuracy is one of the outstanding features of the Precision thermometers. There are two models available, the Precision and Precision Plus. The Precision measures temperature over the range of 199.9 to 499.9 °C with a 0.1 °C resolution and high accuracy of ±0.2 °C. The Precision Plus measures temperature over the range of -199.99 to 199.99 °C with a 0.01 °C resolution and high accuracy of ±0.05 °C. Please note:- the accuracies quoted are for instruments only.

Conveniently located on the front of the instrument are the on/off, max/ min and display hold buttons. The Binder probe socket is positioned at the top of the instrument which enables a variety of probes to be used depending on the application.

The Precision thermometers feature a large, easy to read, LCD display with open circuit 'Err' and low battery indication. Each thermometer is powered by three 1.5 volt AAA batteries that gives a minimum of 2000 hours battery life. The units will power off automatically after ten minutes, maximising battery life. This feature can be disabled by the user, if required.

The Precision thermometer is priced excluding probe. ETI offers an extensive range of interchangeable probes covering most industrial and laboratory applications. The Precision Plus is supplied with a 160-222 PT100 1/10th DIN liquid probe and a UKAS Certificate of Calibration.

For regularly checking the accuracy of each Precision thermometer, a range of calibration test caps complete with a UKAS Certificate of Calibration is available, click here to view.

optional accessories
830-251 protective silicone boot - the Precision thermometers are waterproof to IP63 when used in conjunction with this protective boot
832-050 wall bracket (screws not supplied) and protective silicone boot.




Precision Plus


-199.9 to 499.9°C

-199.99 to 199.99°C




accuracy 1°C




3 x 1.5 volt AAA

3 x 1.5 volt AAA

battery life

2000 hours

2000 hours

sensor type




10 mm LCD

10 mm LCD


25 x 56 x 128mm

25 x 56 x 128mm


130 grams

130 grams

222-053 includes FREE traceable calibration certificate. Price excludes probe.

222-051 Precision Plus includes UKAS calibration certificate and probe

  • display: LCD digital
  • case material: ABS plastic
  • probe/sensor style: no probe included
  • power source: battery powered
  • country of manufacture: United Kingdom
  • guarantee: two years
  • certification: traceable calibration certificate
  • power saving: auto-off
  • max/min function: yes
  • measurement scale: Celsius
  • display hold: yes
  • battery monitor: yes
temperature log books - A5
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protective silicone boot 830-251
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large zip- pouch (830-002)
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Do you need help? Go to see our FAQ section. To learn about thermometers and temperature measurement in more depth, visit the ETI Learning Centre.