ON/OFF and MODE

Auto-zeroing, auto-ranging, and auto-backlight

Two 9 V alkaline, 200 hours operation

Less than two minutes for initial operation when the instrument is in equilibrium with ambient temperature

2.5 digit display is followed by a significant zero digit depending on the operating range of the instrument. The units of measurement are indicated on the display at all times. Digits are 0.25 inches (6.4 mm) high. Low battery and freeze indicators are also provided on the display

Will place a tick mark on the bar graph display to hold on the peak displayed value. The unit will continue to read and display current radiation values

0 to 100%

Negligible