SPECIFICATIONS
1-1 General Specifications
LCD display digits :
Three 4 digits LCD with a maximum reading of 9999.
Polarity indicator:
Automatic positive implied, negative indicated.
Reading rate : 0.5sec/reading nominal. (53II only)
1 sec/reading nominal. (55II only)
Overrange display : " - - - - " is displayed.
Low battery indication : "<" is displayed.
Power requirement :
9V battery, type LR6P, 1604A or equivalent.
Battery life : Alkaline 90 hours approximately.
1-2 Environmental Conditions
Calibration : One year calibration cycle recommended.
Operating Temperature : 0 C to 50 C, 0 to 75%RH
Storage Temperature :
-20 C to 60 C, 0 to 80% R.H. with battery removed.
Operating altitude : 2000m (6562 ft)
Dimensions (H x W x D) :
160mm x 64mm x 26mm without holster.
170mm x 74mm x 39mm with holster.
Weight (including battery) :
300gms without holster. 430 gms with holster.
Pollution degree : 2
Shock and vibration : Sinusoidal vibration per MIL-T-
28800E (5 to 55 Hz, 3g maximum).
Drop Protection :
4 feet drop to hardwood on concrete floor.
Temperature Coefficient :
0.1 x (Specified accuracy) / C , < 18 C or > 28 C.
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