3pole earth resistance 

Test voltage 
20, 48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Probe resistance Rs 
<100 kΩ 
Auxiliary earth resistance Rh 
<100 kΩ 
Resolution 
0.001 Ω 
Measuring range Re 
0.02 Ω ... 300 kΩ 
Accuracy

± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (noncondensing).
Response time < 15 seconds (Time required to reach the specified accuracy, after the start of the measurement with the average function switched off.) 


4pole grounding resistor 

Test voltage 
20, 48V AC 
Test frequency

94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
30 seconds 
Probe resistance Rs 
< 100 kΩ 
Auxiliary earth resistance Rh 
< 100 kΩ 
Resolution 
0.001 Ω 
Measuring range Re 
0.02 Ω ... 300 kΩ 
Accuracy 
± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (noncondensing).
Response time < 25 seconds (Time required to reach the specified accuracy, after the start of the measurement with the average function switched off.) 


3pole earth resistance with current clamp 
Test voltage 
20, 48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Probe resistance Rs

< 100 kΩ 
Auxiliary earth resistance Rh 
< 100 kΩ 
Resolution 
0.001 Ω 
Measuring range Re 
0.02 Ω ... 20 kΩ 
Accuracy 
± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (noncondensing).
Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.)
If the current on the current probe is too low, the measurement can be aborted. 


4pole earth resistance with current clamp 
Test voltage 
20, 48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Probe resistance Rs 
< 100 kΩ 
Auxiliary earth resistance Rh 
< 100 kΩ 
Resolution 
0.001 Ω 
Measuring range Re 
0.02 Ω ... 20 kΩ 
Accuracy 
± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (noncondensing).
Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.)
If the current on the current probe is too low, the measurement can be aborted. 


Grounding resistor only with current clamps 
Test voltage 
48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Measuring range Re 
0.02 Ω ... 150 Ω 
Resolution 
0.001 Ω 
Accuracy 
± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


The accuracy is ensured in an environment of 0 ... 28°C / 32 ... 82°F, < 80% RH (noncondensing).
Response time < 25 seconds (Time required to reach the specified accuracy, after the measurement has started with the average function switched off.)
If the current on the current probe is too low, the measurement can be aborted. 


Soil resistance (removal resistance) 
Test voltage 
20, 48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Resolution

0.001 Ω * m 
Measuring range Re 
0.02 Ω ... 1000 kΩ * m 
Accuracy 
± (5% + 10 digits) 


2pole resistance measurement (AC) 

Test voltage 
20V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Measuring range Re 
0.02 Ω ... 300 kΩ 
Resolution 
0.001 Ω 
Accuracy 
± (5% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


2pole resistance measurement (DC) 

Test voltage 
20V DC 
Short circuit current 
250mA 
Test time

26 seconds 
Measuring range Re 
0.02 ... 3 kΩ 
Resolution 
0.001 Ω 
Accuracy 
± (5% + 10 digits) 
Ust 
< 3V 
Fst 
16 ... 400 Hz 


4pole resistance measurement (DC) 

Test voltage 
20V DC 
Short circuit current 
250mA 
Test time 
26 seconds 
Measuring range Re 
0.02 Ω ... 3 kΩ 
Resolution 
0.001 Ω 
Accuracy 
± (5% + 10 digits) 
Ust 
< 3V 
Fst 
16 ... 400 Hz 


Line compensation 

Test voltage 
20, 48V AC 
Test frequency 
94 Hz, 105 Hz, 111 Hz, 128 Hz, AFC 
Short circuit current 
250mA 
Test time 
26 seconds 
Resolution

0.001 Ω 
Measuring range Re 
0.02 Ω ... 30 Ω 
Accuracy 
± (3% + 10 digits) 
Ust 
< 24V 
Fst 
16 ... 400 Hz 


Interference voltage 

Measuring range 
± 50V DC 

1 ... 50V AC 
Resolution 
0.1V 
Accuracy 
± (5% + 5 digits) 


Interference current 

Measuring range 
20mA ... 2 A 
Resolution 
1mA 
Accuracy 
± (5% + 5 digits) 


Interference frequency 

Measuring range 
16 ... 400 Hz 
Resolution 
1 Hz 
Accuracy 
± (1% + 10 digits) 


Other specifications 

Data storage 
100 readings 
Operating conditions 
0 ... 40°C / 32 ... 104°F, < 80% RH (noncondensing) 
Charge ambient conditions to the battery 
10 ... 40°C / 50 ... 104°F, < 80% rh (noncondensing) 
Storage conditions 
10 ... 50°C / 50 ... 122°F, < 90% rh (noncondensing) 
Storage conditions for the battery 
20 ... 30°C / 4 ... 86°F, < 80% rh (noncondensing) 
Storage height 
< 12,000 m / 39,370 ft 
Operating altitude 
< 2,000 m / 6,561 ft 
Clamp diameter 
51 mm 
Display 
Backlit LCD, 9,999 digits 
Display measuring range exceeded 
> LIMIT 
Display below measuring range 
 
Measuring frequency earthing resistance / leakage current 
1 Hz (If the average value function is activated: one value every four seconds) 
Measuring frequency voltage measurement 
2 Hz 
Measuring frequency interference voltage 
4 Hz 
Measuring frequency interference frequency 
1 Hz 
Measuring frequency interference current 
1 Hz 
interfaces 
Measuring connection: E, ES, S, H, pliers
connection USBB, charging connection 
Power supply batteries 
6 x 1.5V D LR14 batteries 
Power supply battery 
1 x 7.2V nickelmetal hydride battery pack 
Power supply power supply 
Primary: 100 ... 240V, 50 ... 60 Hz 

Secondary: 12V, 3A 
Max. Power consumption with power supply 
15V A 
Max. Power consumption with battery or rechargeable battery 
6V A 
Running time in battery mode 
About 5 hours 
Running time in the battery 
About 9 hours (without backlight) 
Maximum input voltage 

Maximum input voltage relative to earth 
300V rms (CAT III) 
Insulation thickness 
6880V AC: 15 seconds 
Overvoltage protection 
250V AC between the connections 
Dimensions 
260 x 125 x 280 mm / 10.2 x 4.9 x 11 in 
Weight 
About 2.5 kg / 5.5 lbs 
Standardize 
Safety: EN610101: 2001, EN61010031: 2002 

Pollution degree 2, CAT III 300V, 

EMC: EN6100032: 2000, IEC613261: 1997 A 



