Tenmars TM-91 Radiation Monitor

by Tenmars
Tenmars TM-91 Radiation Monitor
TM-91 Radiation Monitor is the survey meter in measuring the beta, gamma and x-ray radiation. It is useful in monitoring the environment/home safety, nuclear, medical, mining and metal industries. It is also ideal for the border control, customs and cargo inspections.


Display units in uSv/h, uRem/h and mRem/h
Built-in a GM tube
Quick response to the radiation strength of Beta(B), Gamma(y) and X-ray
Auto Ranging
Automatic detection, easy setting
A beeper chirps with each radiation count
Audio alarm setting function


Display: 3 1/2 digits, bright LCD with the maximum reading of 1999
Units: µSv/h or µRem/h
DisplayRange: 0.01µSv/h~19.99µSv/h or 1µRem/h~1999µRem/h
Measurement Range: 0.5µSv/h~19.99µSv/h or 50µRem/h~1999µRem/h
Resolution: 0.01 uSv/h, 1uRem/h
Test Radiation: Beta(B ) and Gamma(y) ray.
Sampling time: 20 second/ times
Energy dependency: 0.1 to 1.25 Mev
Accuracy: +/-15% of reading.
Alarm Settlings: default value : 0.50µSv/h, setting range: 0~19.99µSv/h
Auto Power Off: default value : 30 minutes, setting range: 0 ~ 60 minutes ( 0: disable the auto power off)
Operation Environment: 0oC~50oC ; below 80% RH
Storage Environment: -20oC~60oC ; below 75% RH
Battery Type: 006P 9V
Battery Life: about 50 hour
Dimension: 143 x74 x34mm
Weight: 220g