Autoranging Radiation Monitor / Geiger Counter – Sper Scientific Direct
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The TM-91N Radiation Monitor measures beta, gamma and x-ray radiation. This lightweight, handheld radiation meter can be used to monitor the environment in the home, office, factory or other areas where safety is a priority, such as in the nuclear, medical, mining and metallurgy fields. It is also ideal for border control, customs and cargo inspections.
The TM-91N Radiation Monitor from Tenmars measures beta, gamma and x-ray radiation.
This lightweight, handheld radiation meter can be used to monitor the environment in the home, office, factory or other areas where safety is a priority, such as in the nuclear, medical, mining and metallurgy fields. It is also ideal for border control, customs and cargo inspections.
Display units in uSv/h and uRem/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
Dimensions: 5.6L x 2.9W x 1.2H (143L x 74W x34H mm)Weight: Approx. 8 Oz. (220 grams)
Includes meter, 9V battery, carrying case and instructions.
*Certification Option
N.I.S.T. traceable Certificate of Calibration available at additional cost (Select option above).
Specifications
Display
3½ Digits LCD
with maximum reading of 1999
Sampling
1 time/10 seconds (<20µSv/h),
1 time/10seconds (>20µSv/h)
Units
µSv/h, µRem/h
Measurement Range
0.50µSv/h~1400µSv/h,
50µRem/h~140.0µRem/h
Resolution
0.01µSv/h,1µRem/h
Test Radiation
β-radiation & γ- radiation
Energy Dependency
30KeV~1.3MeV
Accuracy
±15%: 20µSv/h, 2000µRem/h Other
±20%: 20µSv/h~1400µSv/h, 2000µRem/h~140µRem/h
Alarm Settings
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)
Battery Type
006P 9V
Battery Life
About 50 hours
Downloads
Instruction Manual
![](https://m.media-amazon.com/images/I/41SvnuCol-L._AC_UF1000,1000_QL80_.jpg)
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