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Digital Earth/Ground Testers > Model 4105
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Kyoritsu Earth/Ground Testers

Model 4105 Digital Earth Tester  
Kyoritsu Model 4105 Digital Earth Ground Tester

Dust and drip proof. (designed to IEC 529 IP54)


In addition to the facility for precision measurement, test leads for simplified two wire measuring system also supplied as standard accessories. (unit can be hung from the neck for simplified measurement)


Designed to meet IEC1010-1 safety standard.


Capable of measuring earth voltage.


Automatic warning when resistance of auxiliary earth spikes is in excess of tolerance.


Small and lightweight. Shock resistant new case material.


2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.




Measurement Ranges:

Earth Resistance
0 - 20Ω / 0 - 200
Ω / 0 - 2000Ω  

Earth Voltage (50Hz, 60Hz)
0 - 200V AC      


Earth Resistance
2%rdg 0.1Ω (20Ω range)
2%rdg 3dgt (200Ω /2000
Ω range)

Earth Voltage
1%rdg 4dgt

Overload Protection:

Earth Resistance
200V AC 10 seconds (across two of the three terminals)

Earth Voltage
300V AC for 1 minute

Safety Standard:

IEC1010-1 CAT. III

Applicable Standards:

IEC529 IP54
JISC 1304

Withstand Voltage:

3700V AC for 1 minute

Power Source:

R6P (AA) x 6


105mm (L) x 158mm (W) x 70mm (D)


540gms approx. (battery included)


Model/Part No.7095 (Test Leads) x 1set.
Model/Part No.8032 (Auxiliary earth spikes) x 1set.
Model/Part No.7094 (Simplified measurement probe) x 1set.
R6P (AA) x 6 batteries.
Model/Part No.9084 Carrying Case.
Neck Strap.
Instruction Manual.

Precision Earth Resistance Measurement

Earth Test Diagram 1.

Earth Test Diagram 2.



Model 7095

Accessory P/N 7095

Model 8032

Accessory P/N 8032

Model 7094

Accessory P/N 7094


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Leda Electronics Pty. Ltd.
A.C.N. 078 681 562           A.B.N. 51 131 989 127
P.O. Box 1733 Malaga, LPO WA 6944
                                                      Unit 5, 31 Century Road, Malaga, Western Australia 6090                                                            
Phone: 61 8 9248 6688    Fax: 61 8 9248 6227