GMH-3210 hand held thermometer

GMH-3230 Thermocouple Hand Held Thermometer

Our GMH-3230 hand held digital thermometer has a dual input and accepts an input from five different thermocouple types giving you the best possibility of measuring wide temperature ranges in more aggressive applications. It is possible to use Types K, J, N, T and S thermocouple with the instrument. It is possible to use either channel independently or compare the two channels in differential mode. All probes connect via an industry standard miniature connector in the top of the instrument and are easily selected within the menu system.

When compared with other instruments, the GMH-3230 out performs the competition by offering much better accuracy. You can also be assured of reliable operation from this German made instrument.


Dual input for two independent sensors
5 thermocouple types can be used
Measuring range of –200 to +1768°C (dependent on thermocouple)
Differential measurement between Probe 1 and Probe 2
Min./ Max. and Hold memory functions
Range of hand held sensors available


Thermocouple Types: J, K, N, S, T (acc. to DIN EN 60584)
Measuring range: Type K: (NiCr-Ni) -65,0 … +300,0°C or -220 … +1372°C Type N: (NiCrSi-NiSi) -100,0 … +380,0°C or -200 … +1300°C Type S: (Pt10Rh-Pt) -50 … +1768°C
Resolution: : 0,1°C or 1°C (0,1°F or 1°F)
Accuracy: (at nominal temperature = 25°C): Type K: -65,0 … +300,0°C: ±0,03% rdg. ±0,05%FS -220 … +1372°C: ±0,08% rdg. ±0,1%FS Type N: -100,0 … +380,0°C: ±0,03% rdg. ±0,05%FS -200 … +1300°C: ±0,08% rdg. ±0,1%FS (T≥-100°C) ±1°C ±0,1%FS (T<-100°C) Type S: -50 … +1768°C: ±0,1% rdg. ±0,1%FS (T≥200°C) ±1°C ±0.1%FS (T<200°C)
Probe: 2 jacks for miniature flat-pin plug.
Display: 2 four digit LCDs (12.4mm and/or 7mm high) for temperature, min./max. values, hold function, etc. as well as additional functional arrows.
Working temperature: -25 to +50 °C
Storage temperature: -25 to +70 °C
Power supply: 9V battery, type PP3 (included) plus additional d.c. connector for external 10.5-12V direct voltage supply.
Battery service life: approx. 1000 operating hours
Dimensions: approx. 142 x 71 x 26mm (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)