GMH-3710 Pt100 Precision Thermometer

GMH-3750 Pt100 Precision Hand Held Thermometer

Our GMH-3750 Precision Thermometer represents excellent value for money and out performs many more expensive instruments. It is a development of the popular GMH-3710 thermometer and has some useful additional functions.

The thermometer accepts an input from any 4 wire Pt100 temperature probe and has an very high accuracy of +/-0.03°C and resolution of 0.01°C. When coupled with a 1/10 DIN Pt100 temperature probe the instrument makes an ideal calibration reference. When we have these calibrated in UKAS laboratories we regularly achieve system accuracies better than 0.05°C.

The GMH-3750 is very easy to use and has some useful built in functions such as max., min. and hold functions. In addition to these functions shared with the GMH-3710, the thermometer also has a built in data logger with a memory capacity of 16200 recordings. The unit also has built in audible and visual alarms which are set by the user. Continuous monitoring allows the user to be alerted by an alarm condition. It is also easy to calibrate out any probe errors with both offset and scale functions. Probes are easily connected using a miniature DIN plug which we also stock to be fitted either to our probes or to your own.


4 wire Pt100 sensor input
Measuring range of –199.99 to +199.99°C and +200.0 to +850.0°C
Highest Accuracy (±0.03°C) and Resolution (0.01°C)
Built in Data Logger Function
Battery or mains power supply
Freely adjustable analogue output 0-1V or serial interface
Range of hand held sensors available


Measuring range: -199.99 … +199.99°C OR -200,0 … + 850,0°C -199,99 … +199,99°F OR -328,0 … +1562,0 °F
Resolution: 0.01°C / 0.1°C or 0.01°F / 0.1°F
Accuracy: (at nominal temperature = 25°C): < 0,03 °C at meas. range -199,99… 199,99°C < 0,1 °C ±1 digit at meas. range 200,0… 850,0°C
Probe: Pt100, 4-wire, BS EN 60751 probe connection via 4-pin miniature DIN-plug
Display: two 4½ digit LCDs (12.4mm or 7mm high), plus arrows.
Manual Logger Function: 99 data sets (data recall via keyboard or interface)
Automatic Logger Function: 16,200 data sets (data recall via interface)
Working temperature: -25 to 50°C
Nominal temperature: 25°C
Storage temperature: -25 to +70 °C
Power supply: 9V battery type PP3 (included) plus additional d.c. connector (internal pin Ø 1.9mm) for external 10.5 to 12V dc power supply.
Dimensions: approx. 142 x 71 x 26 mm (H x W x D). Impact resistant ABS plastic case, front side IP65, integrated pop-up clip for table top or suspended use.
Weight: approx. 155 g (incl. battery)