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  • Therma Series

Therma Elite Digital Type ‘K’ Thermometers


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Additional Information

THERMA SERIES DIGITAL THERMOMETERS Full instructions, Sold singles

Order Code 



Therma 1 Thermometer


Protective Boot

● The Therma Series are exclusive of Probes, remember to order appropriate probes for your applications. 

● FREE Traceable Calibration Certificate Included. 


Order Code





Ø3.3 x 130mm

This stainless steel penetration probe is strong and versatile. Ideal for measuring a wide variety of applications including liquids and semi-solids. Response time 3 seconds.

Maximum probe temperature 250°C



Ø1.5 x 1000mm

This fibreglass exposed junction wire probe is ideal for measuring the air temperature of ovens, hot cupboards and other similar appliances.
Response time 0.5 seconds.

Maximum probe temperature 350°C
Longer 2000mm version available Order Code P1026/L


The Zeal Therma 1, and 3 type ‘K’ thermocouple digital thermometers are rugged and easy to us over the range of -100 to +1372°C with a 0.1°C or 1°C resolution. They are housed in a robust ABS case that contains ‘Biomaster’ additive that helps to reduce bacterial growth.

Therma 1 & 3 thermometers feature a large, easy to read, LCD display with open circuit ‘Err’, display hold and low battery indication. Each thermometer is powered by three 1.5 volt AAA batteries that give upto 5 years life.The unit will power off automatically after 10 minutes to conserve battery life. This can be disabled by the user if required.

● The Therma Elite incorporates all the features of the Therma 1 thermometer, but with the addition of a backlit display, Max/Min memory function and a Mode button for the selection of C°/°F with a resoltion of 0.1 or 1.0. The thermometer also incorporates a calibration trim function +/- 2°C which alows the user to compensate for known probe errors.

● Optional Accessory a black silicone boot that fits all the Zeal Therma series is available. The thermometers are weatherproof to IP63 when used with the boot.


Therma 1/Elite Therma 3

Resolution 0.1°C 

-99.9 to + 299.9°C -99.9 to + 299.9°C 

Resolution 1.0°C 

+300 to + 1372°C +100 to + 1372°C


+/-0.4°C+/-1% 1.0°C+/-1%


12mm LCD

Sensor Type

Type ‘K’ Thermocouple


3 x 1.5 volt AAA (10.000 hours life)


25 x 56 x 128mm / Weight 30 grams