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Introduction Congratulations on your purchase of the Extech 382252 Earth Ground Resistance Tester Kit. This device can measure Earth Ground Resistance (in 3 ranges), Earth Voltage and Resistance (up to 200kand AC and DC voltage. This device was designed to meet EN61010-1 safety standards. Careful care and use of this meter will provide years of reliable service.
Meter Description Digital Display – See Display Description below HOLD key – Freezes measurement value on display Zero ADJ control- Adjusts Zero value on display Backlight key – Turns on Backlight TEST key – Enables Earth Resistance and Earth Voltage Tests Function Selector switch –...
Operation ZERO Adjustment of Earth Resistance Ranges Connect the long test leads to the meter as follows: a. Green lead to the 'E' terminal (Green jack) b. Yellow lead to the 'P' terminal (Yellow jack) c. Red lead to the 'C' terminal (Red jack) Set the function selector switch to the desired measurement range.
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Earth Ground Resistance test 1. Connect the 3 test leads to the meter (1) as follows: Green lead (2) to the 'E' terminal Yellow lead (3) to the 'P' terminal Red lead (4) to the 'C' terminal 2.
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200k Resistance Measurement Connect the red test lead to the V(C) connector and the black test lead to the COM (E) connector. Set the function selector switch to the 200kposition. Connect the test probes to the circuit under test. Note the displayed Resistance value. AC Voltage Measurement Connect the red test lead to the V(C) connector and the black test lead to the COM (E) connector.
Maintenance Battery Replacement When the low battery icon ' ' appears on the LCD, the meter's batteries must be changed. 1. Remove power and disconnect the test leads from the meter. 2. Remove the tilt stand from the rear of the meter. 3.
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