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 User Manual 

EG480 
Earth Ground Resistance Tester 

 

Introduction 

 

Congratulations on your purchase of the Triplett Earth Ground Resistance Tester. This device can 

measure Earth Ground Resistance (in 3 ranges), Earth Voltage and Resistance (up to 200k Ω and 

AC and DC voltage.) This device was designed to meet EN61010-1 safety standards.  

Safety 

 

Please read the following safety information carefully before attempting to operate the meter 

and use the meter only as specified in this manual. 

Environmental safety information 

Do not use meter outdoors when precipitation is likely 
Installation Category III 
Pollution degree 2 
Altitude: 2000 meters max. 
Ambient conditions: 32 to 104oF (0 to 40oC); RH: 80% max Observe the following international safety 

warning symbols 

Safety Symbols 

 

Caution: Refer to this manual before using this meter 

Dangerous Voltages 

Meter is protected throughout by double or reinforced insulation 

www.calcert.com

[email protected]

1.800.544.2843

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Summary of Contents for EG480

Page 1: ...fully before attempting to operate the meter and use the meter only as specified in this manual Environmental safety information Do not use meter outdoors when precipitation is likely Installation Category III Pollution degree 2 Altitude 2000 meters max Ambient conditions 32 to 104oF 0 to 40oC RH 80 max Observe the following international safety warning symbols Safety Symbols Caution Refer to this...

Page 2: ...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 mea...

Page 3: ...ry Earth Bars P1 6 C1 7 into the ground Align the bars an equal distance apart to the existing Earth ground rod connection and in a straight line as shown in the diagram above If the auxiliary bars are placed in close proximity to the ground stake measurement inaccuracies will result Minimum distance between rods should be no less than 10 feet 3m Connect the alligator clip end of the test leads to...

Page 4: ... 750V AC position 2 Connect the test probes to the circuit under test 3 Note the displayed Voltage value DC Voltage Measurement 1 Connect the red test lead to the V C connector and the black test lead to the COM E connector 2 Set the function selector switch to the 1000V DC position 3 Connect the test probes to the circuit under test 4 Note the displayed Voltage value 5 Three terminal Ground Resis...

Page 5: ...he valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Cleaning and Storage Periodically wipe the meter s case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for a period longer than 60 days remove the batteries and store them separately Specifications General Specifications Measurements Earth Ground Re...

Page 6: ... to 500Hz 0 1V 3 reading 3digits Resistance 0 to 200kΩ 0 1k 1 reading 2 digits Overload Protection 250 Vrms AC Voltage 0 to 750V 1V 1 2 reading 10 digits 40 Hz to 400Hz Overload Protection 750 Vrms Input Impedance 10M 0 to 1000V 1V 0 8 reading 3 digits DC Voltage Overload Protection 1000 Vrms Input Impedance 10M www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...

Page 7: ...for use that the products sold by it will be free from defects in workmanship and material for a period of 1 one year from the date of purchase This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way or purchased from unauthorized distributors so as in our sole judgment to injure their stability or reliability or which have been su...

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