Fluke Advanced Geo Earth Ground Tester Kit, 1625-2, 50V, 0.02 to 300 kOhm

General Specifications

• Memory: Internal memory storage up to 1500 records accessible via USB port
• Measuring function: Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC
• Display: 4 digit (2999 Digit) - 7 segment liquid crystal display, with improved visibility
• Operation: Central rotary switch and function keys

Temperature Range

• Temperature coefficient: +/-0.1% of reading/Deg.C < 18Deg.C > 28Deg.C
• Type of protection: IP56 for case, IP40 for battery door according to EN60529
• Max voltage: Warning – socket "clamp" to socket E, ES, S or H
• Safety: Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. Pollution degree 2
• Quality standard: Developed, designed and manufactured to comply with DIN ISO 9001
• External field influence: Complies with DIN 43780 (8/76)
• Auxiliary power: 6 x 1.5 V alkaline (IEC LR6 or type AA)/li>
• Battery life span: With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ? 1 kOhm) With IEC LR6/type AA: typ. 6,000 measurements (RE + RH > 10 kOhm)
• Case material: Polyester
• Measurement of Interference Voltage DC + AC (UST)
• limits of error: method: Full wave rectification
• Measuring range: 1 V to 50 V
• Display range: 0.0 V to 50 V
• Resolution: 0.1V
• Frequency range: DC/AC 45 Hz to 400 Hz sine
• Accuracy: +/-(5% of rdg + 5 digit)
• Measuring sequence: Approx. 4 measurements/s
• Internal resistanc: Approx. 1.5 MOhm
• Max. overload: Urms = 250V
• 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: 1V to 50V
• 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 R
• Noise rejection: 120 dB (16 2/3 , 50 , 60, 400 Hz)
• Max. overload: Urms = 250 V
• Electrical Measurement Specifications
• Measuring range: 0.020 Ohm to 300 kOhm
• Display range: 0.001 Ohm to 2.999 Ohm/3.00 Ohm to 29.99 Ohm/30.0 Ohm to 299.9 Ohm/0.300 kOhm to 2.999 kOhm/3.00 kOhm to 29.99 kOhm/30.0 kOhm to 299.9 kOhm
• Resolution: 0.001 Ohm/0.01 Ohm/0.1 Ohm/1 Ohm/10 Ohm/100 Ohm
• Accuracy: +/-(2% of rdg + 2 digit)
• Operating error: +/-(5% of rdg + 5 digit)
• Measuring time: Typical 8 seconds with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies
• Additional error because of probe-and auxiliary earth electrode resistance : RH(RS + 2000 Ohm)/RE x 1.25 x 10-6% + 5 digits
• Measuring error of RH and RS: Typ. 10% of RE + RS + RH
• Max. probe resistance: ? 1 MOhm
• Max. auxiliary earth electrode resistance: ? 1 MOhm
• Automatic Switchover of Measuring Resolution in Dependence to Auxiliary Earth Electrode Resistance RH
• RH with Umeas = 48 V: < 300 Ohm/< 6 Ohm/< 60 Ohm/< 600 Ohm
• RH with Umeas = 20 V: < 250 Ohm/< 2.5 kOhm/< 25 kOhm/< 250 kOhm
• Resolution: 1 mOhm/10 mOhm/100 mOhm/1 Ohm
• Selective Measurement of the Earthing Resistance (RE Clamp)
• Measuring method: Current and voltage measurement with probe as per EN61557-5 and current measurement in the individual branch with additional current transformer (patent applied for).
• Open circuit voltage: 20/48 V AC
• Short circuit current: 250 mA AC
• Measuring frequency: 94, 105, 111, 128 Hz selected manually or automatically (AFC), 55 Hz (R1)
• Noise rejection: 120 dB (162/3, 50, 60, 400 Hz)
• Max. overload: Max. Urms = 250 V (measurement will not be started)
• Measuring range: 0.020 Ohm to 300 kOhm
• Display range: 0.001 Ohm to 2.999 Ohm/3.00 Ohm to 29.99 Ohm/30.0 Ohm to 299.9 Ohm/0.300 kOhm to 2.999 kOhm/3.00 kOhm to 29.99 kOhm
• Resolution: 0.001 Ohm/0.01 Ohm/0.1 Ohm/1 Ohm/10 Ohm
• Accuracy: +/-(7% of rdg + 2 digit)
• Operating error: +/-(10% of rdg + 5 digit)
• Additional error because of probe- and auxiliary earth typ. electrode resistance: RH(RS + 2000 Ohm)/RETOTAL x 1.25 x 10-6% + 5 digits
• Measuring error of RH and RS: Typ. of 10% of RETOTAL + RS + RH
• Measuring time: Typ. 8 sec. with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies.
• Minimal current in single branch to be measured: 0.1 to 0.5mA With transformer
• Max. interference current through transformer: 3A
• Resistance Measurement (R~)
• Measuring method: Current and voltage measurement
• Measuring voltage: 20VAC, square pulse
• Short circuit current: > 250 mA AC
• Measuring frequency: 94, 105, 111, 128 Hz selected manually or automatically (AFC)
• Measuring range: 0.020 Ohm to 300 kOhm
• Display range: 0.001 Ohm to 2.999 Ohm/3.00 Ohm to 29.99 Ohm/30.0 Ohm to 299.9 Ohm/300 Ohm to 2999 Ohm/3.00 kOhm to 29.99 kOhm/30.0 kOhm to 299.9 kOhm
• Resolution: 0.001 Ohm/0.01 Ohm/0.1 Ohm/1 Ohm/10 Ohm/100 Ohm
• Accuracy: +/-(2% of rdg + 2 digit)
• Operating error: +/-(5% of rdg + 5 digit)
• Measuring time: Typical 6 seconds
• Max. interference voltage: 24 V, with higher voltages measurement will not be started
• Max overload: Urms max. = 250V
• Resistance Measurement (R DC)
• Measuring method: Current- voltage measurement as per IEC61557-4 possible
• Measuring voltage: 20 VDC
• Short circuit current: 250 mA DC
• Formation of measured value: With 4-pole measurement wires on H, S, ES can be extended without additional error. Resistances > 1 Ohm in wire E can cause additional error of 5m Ohm/Ohm.
• Measuring range: 0.020 Ohm to 300 kOhm
• Display range: 0.001 Ohm to 2.999 Ohm/3.00 Ohm to 29.99 Ohm/30.0 Ohm to 299.9 Ohm/300 Ohm to 2999 Ohm/3.0 kOhm to 29.99 kOhm/30.0 kOhm to 299.9 kOhm
• Resolution: 0.001 Ohm/0.01 Ohm/0.1 Ohm/1 Ohm/10 Ohm/100 Ohm
• Accuracy: +/-(2% of rdg + 2 digit)
• Operating error: +/-(5% of rdg + 5 digit)
• Measuring sequence: Approx. 2 measurements/s
• Measuring time: Typical 4 second including reversal of polarity (2-pole or 4-pole)
• Maximum interference voltage: ? 3 V AC or DC, with higher voltages measurement will not be started
• Maximum inductivity: 2 Henry
• Maximum overload: Urms = 250V