Measurement range: 0.50uSv / h to 19.99uSv / h (TM-91) or 50uRem / h to 1999uRem / h (TM-91) 0.5uSv / h to 199.9uSv / h (TM-92) or 0.05mRem / h ~ 19.99 mRem / h (TM-92)
Alarm sound setting: The internal default value is 0.50uSv / h, the user can adjust the setting value 0 ~ 19.99uSv / h (TM-91), the internal default value is 0.5uSv / h, the user can adjust the setting value 0 ~ 199.9uSv / h (TM-92).
Auto power off time setting: internal preset value is about 30 minutes, the user can adjust 0 to 60 minutes; 0 on behalf of the abolition of automatic shutdown.
Display: 3 1/2 digit LCD display, maximum display 1999, decimal point and unit display.
Display value update: 20 seconds / time (TM-91) 5 seconds / time (TM-92)
Unit Switching: Sv / h or uRem / h (TM-91) Sv / h or mRem / h (TM-92)
Display range: 0.0uSv / h to 19.99 Sv / h (TM-91) or 1uRem / h to 1999uRem / h (TM-91) 0.1uSv / h to 199.9 Sv / h (TM-92) 19.99 mRem / h (TM-92)
Low battery indication: The LCD shows " " symbol.
Overload indication: The LCD shows "OL".
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