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ETI Therma Differential Thermometer

The ETI Therma Differential Thermometer is a robust handheld instrument designed for simultaneous measurement of two temperatures. Using dual K-type thermocouple inputs, it provides a practical solution for differential temperature measurement and routine monitoring across industrial and water treatment applications.

Manufactured in the UK, the thermometer combines accurate measurement with a durable IP66/IP67-rated waterproof housing, making it suitable for regular use in demanding working environments.


Supplied with surface and penetration probes, the instrument provides the flexibility to measure temperatures across different applications, while its compact, ergonomic design makes it easy to use on site.

Measure Two Temperatures Simultaneously

Dual K-type thermocouple inputs allow two temperature probes to be connected and monitored at the same time, making the instrument particularly useful where temperatures need to be compared at different points within a system.


This provides a convenient solution for engineers carrying out temperature checks across heating, cooling and process systems, without requiring separate thermometers.

Designed for Easy On-Site Measurement

The ergonomic handheld design allows comfortable one-handed operation, while the large backlit display provides clear visibility in different working conditions.


Additional measurement functions include:

  • Minimum temperature
  • Maximum temperature
  • Hold function


Together, these features make it easier to capture and review temperature measurements during routine inspection and maintenance work.

Robust & Waterproof Design

Designed for professional field use, the thermometer features a durable ABS housing with an integrated rubber seal.


With an IP66/IP67 protection rating, the instrument is protected against water and dust ingress and is well suited to demanding industrial and water treatment environments.


A protective soft carry case is also supplied for convenient storage and transport between sites.

Applications

The ETI Therma Differential Thermometer is suitable for temperature measurement across applications including:
  • Boiler water systems
  • Cooling water systems
  • Heating systems
  • Industrial temperature monitoring
  • Process water applications
  • Maintenance and service testing

Key Features

  • Dual K-type thermocouple inputs
  • Simultaneous two-temperature measurement
  • Wide measurement range
  • IP66/IP67-rated waterproof housing
  • Durable ABS construction with integrated rubber seal
  • Ergonomic one-handed operation
  • Backlit LCD display
  • Minimum, maximum and hold functions
  • Battery-powered portable design
  • Supplied with surface and penetration probes
  • Protective soft carry case included
  • Manufactured in the UK

Technical Data

  • Measurement Range:
    • -99.9 °C to 1372 °C
  • Measurement Range (°F):
    • -147.82 °F to 2501 °F
  • Resolution:
    • 0.1 °C up to 299.9 °C
    • 1 °C above 300 °C
  • Sensor Type:
    • Dual K-type thermocouple
  • Functions:
    • Minimum, maximum and hold
  • Display:
    • Backlit LCD
  • Protection Rating:
    • IP66/IP67
  • Power Supply:
    • Battery operated
  • Included Probes:
    • Surface and Penetration
  • Included Accessories:
    • Soft carry case

   Order Code   Description 
EDT433PETI Therma Differential Thermometer with Case & Probes
EDT103SK Type Surface Probe
 EDT104SK Type Penetration Probe

SD Series Leaflet