IEC61557 VICTOR 4105C Digital Ground Resistance Tester

VICTOR 4105C Digital Ground Resistance Tester Soil Resistivity Electrical Tester Light Protection Inspection Large LCD Display

VICTOR4105C Earth Resistance Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage, AC voltage. Adopting the latest digital and micro-processing technology, precise 4-pole, 3-pole and simple 2-pole method for earth resistance measurement, importing FFT and AFC technology, with a unique function of anti-interference capability and the ability to adapt to the environment, consistency of repeat testing, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, soil resistivity, earth voltage, AC voltage measurement.

VICTOR4105C Earth Resistance Soil Resistivity Tester is composed of host machine, monitoring software, testing wires, auxiliary ground pillars, communication wires and others. The large LCD display of host machine is with blue backlight and bar graph indicating that can be seen clearly. At the same time it can store 300 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, alarm indicator, and with the functions like historical data access, reading, preservation, report forms, printing and so on.

VICTOR4105C Earth Resistance Soil Resistivity Tester also named: Precise Earth Resistance Tester, 4-pole Earth Resistance Tester, 2/3/4-pole Earth Resistance Tester, Soil Resistivity Tester.

2．Technical Specifications

2. General Specification

Function	Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage
Power Supply	DC 9V (Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
Measurement Range	Earth Resistance: 0.00Ω-30.00kΩ
	Soil Resistivity: 0.00Ωm-9000kΩm
Measuring Mode	Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement
Measuring Method	Earth Resistance: rated current change-pole method, measurement current 20mA Max Soil Resistivity: 4-pole measurement (Wenner method) Earth Voltage: average rectification(between P(S)-ES)
Test Frequency	128Hz/111Hz/105Hz/94Hz(AFC)
Short-circuit Test Current	AC 20mA max
Open-circuit Test Current	AC 40V max
Test Voltage Wave	Sine wave
Electrode Distance Range	Can be set 1m-100m
Shift	Earth Resistance: 0.00Ω-30.00kΩ, automatic shift
	Soil Resistivity: 0.00Ωm-9000kΩm, automatic shift
Backlight	Blue screen backlight, suitable for dim places
Display Mode	4-digital super-large LCD display, blue screen backlight
Measuring Indicator	During measurement, LED flash indicator, LCD count down display, progress bar indicator
LCD Frame Dimension	128mm×75mm
LCD Window Dimension	124mm×67mm
Dimension	L×W×H: 215mm×190mm×95mm
Standard Test Wire	4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple Test Wire	2 wires: each for red 1.6m and black 1.6m
Auxiliary Earthing Rod	4 rods: Φ10mm×150mm
Measuring Rate	Earth voltage: about 3 times/second
	Earth resistance, soil resistivity: about 5 seconds/time
Measuring Times	Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
Line Voltage	below AC 600V
RS232 Interface	Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed.
Communication Wire	One piece of RS232 communication wire, with length 1.5m
Data Storage	300 sets, “MEM” icon storage indicator, flash display “FULL” icon to indicate storage is full
Data Hold	Data hold function: “HOLD” icon display
Data Access	Data read function: “READ"
Overflow Display	Exceeding measuring range overflow function: “OL” icon display
Interference Test	Recognize interference signal automatically, “NOISE” icon display when interference voltage exceed 5V
Auxiliary Earthing Test	Can measure auxiliary earth resistance, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
Alarm Function	When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint
Battery Voltage	When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery.
Power Consumption	Standby: about 20mA (Backlight shut off)
	Boot and with backlight: about 45mA (25mA without backlight)
	Measurement: about 100mA (Backlight shut off)
Weight	Total weight: 4.5kg (including package)
	Tester: 1443g (including battery)
	Testing wires: 1560g
	Auxiliary earthing rods: 935g (4pcs)
Working	-10℃-40℃, below 80%rh
Storage temperature & humidity	-20℃-60℃, below 70%rh
Overload Protection	Measuring earth resistance: between each interfaces of C(H)-E,P(S)-ES, AC 280V/3 seconds
Insulation Resistance	Over 20MΩ (between it is 500V)
Withstanding Voltage	AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features	IEC61326(EMC)
Protection Type	IEC61010-1 (CAT Ⅲ 300V, CAT IV 150V, Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004

3. Intrinsic error and performance indicators under base conditions

Note: 1. When rC max or rP max, additional error≤±3%rdg±5dgt.

(rC max: 4kΩ+100R＜50kΩ, rP max: 4kΩ+100R＜50kΩ)

2. When 5V interference voltage, additional error≤±5%rdg±5dgt.

VICTOR Instruments is a brand  belongs to Xi'an Beicheng Electronics Co.Ltd. (former Victor Instruments ) which was established in 1980s,VICTOR specializes in producing test instruments and especially digital multimeters. Our products include analog and digital multimeters, clamp-meters, calibrators , megohmmeters, thermometers, tachometers, vibrometers, lux meters, function generators, frequency counters, oscilloscopes and other electronic testing and measuring equipment.

We also provide electronic test tools, measurement solutions, environmental products and ODM and OEM services to specific customers.

As before, our factory(Shenzhen VICTOR Hi-Tech Co.,Ltd.) is in Shenzhen city, To expand production demand,we moved to Xi'an city in 2013. And then we registered two new trademarks (YITENSEN and Ruoshui) in year 2017 for promotion of our VICTOR products to overseas market.

With over 30 years , VICTOR instruments has been focused on the full range of electrical testing and analyze instruments ,it is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world.

Nowadays, we have agents and representatives in every city of China. Meanwhile, we successfully enter the overseas market in many countries. We strive to provide the best products and most considerate services to all customers.

Our Manufacturing Capability

VICTOR Instruments are designed and manufactured in our Xi'an Beicheng manufacturing center, a modern, automated, high-tech industrial park produces digital multimeter 10,000pcs/day , with pass rate 99.6%. With more than 300 skilled workers and 50 R&D staff ,our manufacturing center covers an area of more than 30,000 square meters , made up of : -8 dust-free workshops; -5 fully automatic production lines -12 sets of state-of-the-art production equipments.