Organizations that provide rules and guidelines for proper grounding
The National Electrical Code (NEC)
Underwriters Laboratories (UL)
National Fire Protection Association (NFPA)
American National Standards Institute (ANSI)
Occupational Safety Health Administration (OSHA)
Telecommunications Industry Standard (TIA)
Meter Description
1. Digital Display – See Display Description below
2. HOLD key – Freezes measurement value on display
3. Zero ADJ control- Adjusts Zero value on display
4. Backlight key – Turns on Backlight
5. TEST key – Enables Earth Resistance and Earth Voltage Tests
6. Function Selector switch – Selects desired range and function
Top View
1. V C Input (Red)
2. P Input (Yellow)
3. COM / E Input (Green)
Operation
ZERO Adjustment of Earth Resistance Ranges
1. Connect the long test leads to the meter as follows:
Green lead to the 'E' terminal (Green jack)
Yellow lead to the 'P' terminal (Yellow jack)
Red lead to the 'C' terminal (Red jack)
2.
Set the function selector switch to the desired measurement range. (20, 200, 2000Ω)
3.
Short the 3 test leads together by clipping them all to a single earth ground rod.
4.
Press the TEST key.
5.
Use the 0-Adjust knob to adjust the displayed reading to 000
6.
Press the TEST key again to end the Zero adjustment process.
7.
Perform this adjustment for each range.
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