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412355A Datasheet, PDF (6/8 Pages) Extech Instruments Corporation. – Voltage Calibrator
Battery Replacement
When the LOW BAT message appears on the LCD, replace the 9V battery as soon as
possible.
1. Open the calibrator’s lid as far as possible.
2. Open the battery compartment using a coin at the arrow indicator.
3. Replace the battery and close the cover.
Specifications
General Specifications
Display
Meter Power
Auto Power OFF
Current output capability
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Dimensions
Weight
Accessories Supplied
9999 count LCD
9 volt battery or 9V AC adaptor
Meter automatically powers off after 10 minutes of
inactivity
24mA at 1000 ohms
41ºF to 104ºF (5ºC to 40ºC)
- 4oF to 140oF (-20oC to 60oC)
Max 80% up to 87ºF (31ºC) decreasing linearly to 50% at
104ºF (40ºC)
<80%
7000ft. (2000meters) maximum
3.8 x 4.7 x 1.8” (96 x 118 x 45mm) folded
12 oz. (340g)
9V battery, AC adaptor and calibration cable with spade
lugs
Range Specifications
Mode
Measure
Source
Function
Voltage
Current
%
Voltage
Current
%
Range
0 to 2000mV
2.00 to 20.00V
0.00 to 50.00mA
-25.0 to 230.0%
0 to 2000mV
2.00 to 20.00V
0.00 to 24.00mA
-25.0 to 125.0%
Resolution
1mV
0.01V
0.01mA
0.1%
1mV
0.01V
0.01mA
0.1%
Accuracy (% of reading)
± (0.075% + 1 digit) or ± 3
digits, whichever is greater
6
412355A V3.2 7/08