Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

-Measurement of Interference Voltage DC + AC (UST):
Measuring limits of error: method Full wave rectification
Measuring range: 1 V to 50 V
Frequency range DC/AC: 45 Hz to 400 Hz sine
Accuracy: ±(5% of rdg + 5 digit)
Measuring sequence: Approx. 4 measurements/s
Internal resistance: Approx. 1.5 MΩ
Max. overload: Urms = 250 V
-Measurement of Interference Frequency (F):
Measuring limits of error: method: Measurement of oscillation period of the interference voltage
Measuring range 6.0 Hz to 400 Hz
Display range 16.0 Hz to 299.9 Hz to 999 Hz
Resolution 0.1 Hz to 1 Hz
Range 1 V to 50 V
Accuracy ±(1% of rdg + 2 digit)
-Earthing Resistance (RE):
Measuring method Current and voltage measurement with probe as IEC61557-5
Open circuit voltage 20/48 V, AC
Short circuit current 250 mA AC
Measuring frequency 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1
Noise rejection 120 dB (16 2/3 , 50 , 60, 400 Hz)
Max. overload Urms = 250 V
-Electrical Measurement Specifications:
Measuring range 0.020 Ω to 300 kΩ
Accuracy ±(2% of rdg + 2 digit)
Operating error ±(5% of rdg + 5 digit)
-Automatic Switchover of Measuring Resolution in Dependence to Auxiliary Earth Electrode Resistance RH:
RH with Umeas = 48 V: < 300 Ω, < 6 Ω, < 60 Ω, < 600 Ω
RH with Umeas = 20 V: < 250 Ω. < 2.5 kΩ, < 25 kΩ, < 250 kΩ
-Selective Measurement of the Earthing Resistance (RE Clamp):
Measuring range 0.020 Ω to 300 kΩ
-Resistance Measurement (R~):
Measuring range 0.020 Ω to 300 kΩ
-Resistance Measurement (R DC):
Measuring range 0.020 Ω to 300 kΩ
-Compensation of Lead Resistance (RK):
Compensation of lead resistance (RK) can be switched on in functions RE 3-pole, RE 4-pole (clamp), R AC, and R DC 2-pole
-Stakeless Ground Loop Measurement (Two Clamp Stakeless)
Measuring range 0.02 Ω to 199.9 Ω
Includes:
GEO Earth Ground Tester1625-2
User’s Manual
Batteries
Quick Reference Guide
USB Cable
2 Clamps
C1620 Professional Carrying Case
4 Earth Ground Stakes
3 Cable Reels