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Display Screen: digit: displays in 2000 digits; white backlight
Operation Temperature and Moisture Range: 0～40 ºC, relative moisture ≤85%(no condensation)
Storage Temperature and Moisture Range: -20 ºC～60 ºC, relative moisture ≤90%( no condensation)
Accuracy Required Temperature and Moisture Range:23±5ºC, relative moisture ≤75%( no condensation)
Ambient Condition for Operation: Indoor, outdoor operation（no waterproof), at an altitude of 0～2,000 meter
Stored Data: 100 groups
Indicator for Over-range: OL
Battery Type: eight 1.5VAlkaline (LR6) batteries NOT INCLUDE
Low Battery: displays battery mark
Automatic Power-off: The default value is 5 minutes if no operation , and adjustable.
Closed - case Calibration: no internal adjustments needed
Measurement: 175（L）×110（W）×70（D）mm
Weight: about 500g
