



Features | VICOTR 4105CDigital ground resistance tester | VICOTR 4106C Grounding resistance/soil resistivity tester | VICTOR 6415A Double clamp ground resistance tester |
Features | Ground resistance measurement, ground voltage measurement, low-value resistance measurement | Two, three and four wires measure grounding resistance and soil resistivity; ground voltage and AC voltage measurement | Ground resistance, soil resistivity, DC resistance, ground voltage, AC current, leakage current measurement |
power supply | DC 7.4V 2600mAh rechargeable lithium battery, the battery is full of about 8.4V | DC 7.4V 2600mAh rechargeable lithium battery, the battery is full of about 8.4V | DC 8.4V (rechargeable battery, 300 hours of continuous standby) |
Range | Grounding resistance: 0.00Ω~2000Ω | Grounding resistance: 0.00Ω~30.00kΩ | Grounding resistance, DC resistance: 0.00Ω~30.00kΩ |
Grounding voltage: 0V~600V | Grounding voltage: 0V~600V | Grounding voltage: AC0.0V~100.0V | |
/ | Soil resistivity: 0.00Ωm~9000kΩm | Soil resistivity: 0.00Ωm~9000kΩm | |
/ | / | Alternating current: AC 0.00mA~600.0A | |
measurement method | Precision three-wire measurement, simple two-wire measurement | Precise 4-wire, 3-wire method measurement, simple 2-wire measurement of ground resistance | Precision four-wire, three-wire method, simple two-wire, selection method, double clamp method to measure ground resistance |
Measurement methods | Grounding resistance: rated current pole changing method, measuring current 20mA Max; | Grounding resistance: rated current pole changing method, measuring current 20mA Max | Soil resistivity: quadrupole method (Winner method) |
Voltage to ground: average value rectification | Voltage to ground: average value rectification (between P(S)-ES interface) | DC resistance: pole changing method | |
Soil resistivity: quadrupole method (Winner method) | Alternating current: average value rectification (clamp-on) | ||
Voltage to ground: average value rectification (between P(S)-ES interface) | |||
Back light | Controllable white screen backlight, suitable for dim places | ||
Display mode | 4-digit large LCD display with backlight | ||
Measurement instructions | LED flashing indicator in the measurement, LCD reverse count display | LED flashing in measurement, LCD reverse count, progress bar diagram indication | LED flashing indicator in the measurement, LCD reverse count display |
LCD size | 128mm×75mm; display area: 124mm×67mm | ||
Instrument size | Height, width and thickness: 280mm×260mm×160mm | ||
Standard test line | 3 strips: red 15m, yellow 10m, green 5m each | 4 strips: red 20m, black 20m, yellow 10m, green 10m each | |
Simple test line | 2 strips: one for each of the red 1.6m and the green 1.6m | 2 strips: red 1.6m, black 1.6m each | |
Auxiliary ground rod | 2 pieces: φ10mm×150mm | 4 pieces: φ10mm×150mm | |
measure time | Voltage to ground: about 3 times/second; ground resistance: about 15 seconds/time | Voltage to ground: about 3 times/second; ground resistance, soil resistivity: about 15 seconds/time | AC current: about 2 times/second; voltage to ground: about 2 times/second; ground resistance: about 7 seconds/time |
Number of measurements | More than 5000 times (measure 10Ω in 20Ω mode, measure once, stop for 30 seconds and then measure) | More than 5000 (short circuit test, 1, stop 30 seconds) | |
Line voltage | Measurement below the AC 600V | ||
Communication Interface | With USB interface, software monitoring, storage data can be uploaded to the computer, saved and printed | With RS232 interface, the stored data can be uploaded to the computer through software | |
Communication line | 1 USB communication line, 1.5m long | 1 RS232 communication line, 1.5m long | |
data storage | Group 400 | Group 300 | Group 2000 |
Protection level | IP65(cover) | ||
Overload protection | Measure ground resistance: AC 280V/3 seconds between E-P, E-C ports | Measure ground resistance: C seconds between C (H) -E, P (S) -ES ports | Measurement of grounding resistance: AC 280V/3 seconds between each port of C(H)-E, P(S)-ES |
Insulation resistance | Above 10MΩ (500V between circuit and housing) | Above 20MΩ (500V between circuit and housing) | |
Resistant to pressure | Between the AC 3700V/rms(circuit and the housing) | ||
Current clamp size | / | / | Height, width and thickness: 185mm×115mm×43mm |
Current clamp | / | / | 2 pieces: blue and black plugs, 1 red and black plug each |
Current clamp diameter | / | / | φ68mm |
Current clamp lead | / | / | 2m long |
