Greisinger gmh 3710 high precision thermometer greisinger gmh 3710 p the greisinger gmh 3710 is a precision thermometer for the measurement of the temperature with exchangeable 4 wire pt100 temperature sensors with high resolution and precision temperature values can be measured from 200 deg c to 850 deg c p greisinger gmh 3710 pt100 digital thermometer 199 99 to 850 deg