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ETCR3200C Double Clamp Multi-function Earth Resistance Tester is specially designed and manufactured for on-site measurement of grounding resistance, soil resistivity, grounding voltage, grounding line leakage current, AC current and DC resistance. The instrument adopts advanced digital processing technology, with 2-wire method, 3-wire method, 4-wire method, selection method, double clamp method and other measurement methods; Import FFT (Fast Fourier Transform) technology, AFC (Automatic Frequency Control) technology, with unique anti-interference ability and environmental adaptability, high repeated test consistency, ensuring high precision, high stability and high reliability for long-term measurement.The instrument used large caliber current clamp design, can deal with all kinds of test requirements, can measure the grounding resistance value of the large size ground down lead, flexible measuring the grounding resistance value of the single point and grid grouding and all kinds of complex grounding structure, no need to disconnect any parallel connection earth pole when measuring parallel grounding system, greatly improves the convenience of measurement, for the grounding performance test provides a perfect solution.
ETCR3200C Double Clamp Multi-function Earth Resistance Tester is composed of host machine, current clamp(double clamp), test wires, auxiliary ground rod, data software and communication wires and so on. The large LCD display of host machine with white backlight and bar graph indication that can be seen clearly. The tester has storage function, clock function, and automatically stores 2000 groups of test results containing date and time.The tester with Bluetooth communication function supporting Android system. After the installation of APP, can test or read test records in the mobile terminal, bringing a new experience. The tester equip USB interface, and the stored data can be uploaded to the PC through the USB interface. The communication software can realize the functions of reading, consulting, saving, reporting and printing of the historical record data. Widely used in power, telecommunications, meteorology, oil fields, construction, lightning protection and industrial electrical equipment.
ETCR3200C Double Clamp Multi-function Earth Resistance Tester performance feature:
1.1.Unique design of the jack indicator light, accurate indication of the jack position, avoid operation error.
1.2.12 gears function selection knob, various test methods are displayed, making the operation simple and fast.
1.3.The tester has Bluetooth communication function and supports Android system. Users can use mobile terminal to test operation or read test results containing date and time very conveniently.
1.4.The instrument case adopts waterproof protection box, which is strong, safe and durable for anti-collision, anti-fall and waterproof (protection grade IP65), especially suitable for use in outdoor construction sites.
1.5.The meter is equipped with large capacity rechargeable lithium battery pack. And with USB interface to upload data function.
| Influence Quantity | Base Condition | Working Conditions | Remark |
| Ambient Temp | 23ºC±1ºC | -10ºC~40ºC | ---- |
| Ambient Humidity | 40%-60% | <80% | ---- |
| Working Voltage | 7.8V±0.1V | DC 7.8V±0.6V | ---- |
| Auxiliary Earth Resistance | <100Ω | <5kΩ | |
| Interference Voltage | Should avoid | <20V | |
| Interference Current | Should avoid | <2A | |
| Electrode Distance when measuring R | a>5d | a>5d | |
| Electrode Distance when measuring ρ | a>20h | a>20h |
| Function | Measure grounding resistance, soil resistivity; DC resistance, earth voltage, alternating current , leakage current | |
| Power Supply | DC 7.4V 2600mAh rechargeable lithium battery, full of about 8.4V | |
| Backlight | Controllable screen backlight, suitable for dim places | |
| Measuring Method | DC resistance | DC resistance 2-wire method |
| DC resistance 4-wire method | ||
| Earth resistance | Earth resistance 2-wire method | |
| Earth resistance 3-wire method | ||
| Earth resistance 4-wire method | ||
| Earth resistance single clamp 3-wire method (selection method) | ||
| Earth resistance single clamp 4-wire method (selection method) | ||
| Earth resistance doule clamp method | ||
| Soil resistivity(Wenner method) | ||
| Earth current | Current clamp measurement | |
| Earth voltage | Average rectification | |
| Test Voltage Wave | Sine wave | |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) | |
| Short-circuit Test Current | AC 250mA max | |
| Open-circuit Test Current | AC 40V max | |
| Electrode Distance Range | 1m-100m | |
| Display Mode | 4-digital large LCD display, with screen backlight | |
| Measuring Indicator | During measurement, LED flash indicator, LCD countdown display | |
| LCD Frame Dimension | 128mmX75mm | |
| LCD display area | 124mmX67mm | |
| Instrument Dimension | 280mm(L) X 260mm(W) X 160mm(H) | |
| CT Size | 223mm X 120mm X 39mm | |
| 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 Grounding Rod | 4PCS: Φ10mm X150mm | |
| Current Clamp | 2PCS :1 blue-black plug and 1 red-black plug | |
| Clamp Caliber | Φ70mm | |
| Clamp Lead Wire | 2m | |
| Measuring Rate | AC current: about 2 times/second | |
| Earth Voltage: about 2 times/second | ||
| Earth resistance: about 7 seconds/time | ||
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) | |
| Line Voltage | Measurement below AC 600V | |
| Communication Interface | Bluetooth module, USB interface, storage data can be uploaded to computer, saved or printed. | |
| Communication Wire | USB communication wire X1pcs, with length 1.5m | |
| Data Hold | Data hold function: "HOLD" symbol display | |
| Data Storage | 2000 groups, "MEM" storage indicator, "FULL" symbol flash display storage is full | |
| Data Access | Data read function: "READ" symbol display | |
| Overflow Display | Exceed measuring range overflow function: "OL" symbol display | |
| Low Current Indicator of Current clamp | Measurement with selection method or double clamp, the current signal received by CT2 is lower than 0.5mA,will display" ", and should check the clamping direction of the CT2 current clamp | |
| Interference Test | Automatic identification of interference signals, "NOISE" symbol indication when the interference voltage is higher than 5V | |
| Auxiliary Grounding Test | With auxiliary grounding resistance test function, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) | |
| Alarm Function | Measuring value exceeds alarm setting value, will make out "Toot-toot-toot" alarm sound. | |
| Battery Voltage | While battery voltage decreases to around 7.2V±0.1V, will display battery voltage low symbol" ", and reminding to replace the battery | |
| Automatic Shutdown | Automatically shut down after 15 minutes of power on | |
| Working Current | Backlight: 25mA Max(only backlight power consumption) | |
| Standby:25mA Max(Backlight off after power on) | ||
| Measurement:150mA Max(Backlight shut off) | ||
| Weight | Tester: 2290g | |
| Current Clamp:1100g(2pcs) | ||
| Total weight: 6800g(include all accessories) | ||
| Working Temperature & Humidity | -10ºC~40ºC, below 80%RH | |
| Storage temperature & humidity | -20ºC~60ºC, below 70%RH | |
| Protection Level | IP65(close the case) | |
| Overload Protection | Measure earth resistance: between each interfaces of C(H)-E, P(S)-ES,AC 280V/3 seconds | |
| Insulation Resistance | Over 20MΩ(between circuit and outside shell is 500V) | |
| Withstanding Voltage | AC 3700V/rms. (Between circuit and outside shell) | |
| Electromagnetic Features | IEC61326(EMC) | |
| Protection Type | IEC61010-1(CAT 300V, CAT IV 150V, Pollution 2); IEC61010-031; IEC61557-1(Earth resistance); IEC61557-5(Soil resistivity); JJG 366-2004(Grounding resistance meter) JJG 1054-2009(Clamp grounding resistance meter) |
|
| Measurement Function | Measurement Range | Accuracy | Resolution |
| 2/3/4-wire method measure earth resistance(R~) DC resistance(R--) |
0.000Ω~9.999Ω | ±2%rdg±0.05Ω | 0.001Ω |
| 10.0Ω~29.99Ω | ±2%rdg±5dgt | 0.01Ω | |
| 30.0Ω~299.9Ω | ±2%rdg±3dgt | 0.1Ω | |
| 300kΩ~2999kΩ | ±2%rdg±3dgt | 1Ω | |
| 3.00kΩ~300.00kΩ | ±4%rdg±3dgt | 10Ω | |
| Selection method measure earth resistance(Re) | 0.000Ω~9.999Ω | ±2%rdg±0.05Ω | 0.001Ω |
| 10.00Ω~29.99Ω | ±2%rdg±5dgt | 0.01Ω | |
| 30.0Ω~299.9Ω | ±2%rdg±3dgt | 0.1Ω | |
| 300Ω~3000Ω | ±2%rdg±3dgt | 1Ω | |
| Double clamp method measure grounding resistance(R~) | 0.01Ω~0.99Ω | ±10%rdg±5dgt | 0.01Ω |
| 1.0Ω~29.9Ω | 0.1Ω | ||
| 30Ω~100Ω | 1Ω | ||
| Soil Resistivity (ρ) |
0.00Ωm~99.99Ωm | According to the measurement accuracy (ρ=2πaR a:1 m~100m; π=3.14) |
0.01Ωm |
| 100.0Ωm~999.9Ωm | 0.1Ωm | ||
| 1000Ωm~9999Ωm | 1Ωm | ||
| 10.00kΩm~99.99kΩm | 10Ωm | ||
| 100.0kΩm~999.9kΩm | 100Ωm | ||
| 1000kΩm~9000kΩm | 1kΩm | ||
| Earth Interference Voltage (V~) (50Hz/60Hz) | AC 0.0~100V | ±2%rdg±3dgt | 0.1V |
| AC Interference current (V~)(50Hz/60Hz) | AC 0.0mA~600.0A | ±2%rdg±3dgt | 0.01mA |
Note: 1.rC max or rPmax: additive error≤±5%rdg±5dgt
(rC max: 4kΩ+100R<50kΩ, rP max: 4kΩ+100R<50kΩ)
| 3.1. USB interface | 3.2. Charge interface |
| 3.3. E interface (earth pole) | 3.4. ES interface (Auxiliary earth pole) |
| 3.5. P(s) interface (voltage pole) | 3.6. C (H) interface (current pole) |
| 3.7. C1 interface (dotted terminal of CT2) | 3.8. C2 interface (public interface of CT2) |
| 3.9. Interface indicator | 3.10. Test button |
| 3.11. LCD display screen | 3.12. Function selection rotary knob |
| 3.13. Function button area | 3.14. Stimulant current clamp CT1 |
| 3.15. Stimulant current clamp CT1 connecting interface, red banana plug is dotted terminal, black is public terminal | 3.16. Receive clamp CT2 |
| 3.17. Receive current clamp CT2 connecting interface, blue banana plug is dotted terminal, black is public terminal |
3.18. Simple test wires |
| 3.19. Auxiliary grounding rod | 3.20. Test wires |
Lucyelec Test Equipment Co., Ltd. engaged in oil Analysis and electrical test equipment since 2015, is your reliable partner and professional provider of test and measurement instruments in Baoding China.
Main Products:
1. Oil Test kits (BDV, Tan Delta, Flash Point, Water content, Interfacial Tension, Gas Chromatography, Kinematic Viscosity… etc)
2. Transformer testers /CT PT analyzer (TTR, Winding resistance, Winding deformation, Capacitance and tan delta test, Partial dicharge, etc)
3. SF6 Gas Analyzers (Dew point, Purity, Compensation, etc)
4. Switch/Circuit breaker analyzers (Contact resistance, Mechanical characteristics)
5. MOA/Insulator test devices
6. HV Hipot Testers (AC/DC/VLF)
7. Insulation/Earth resistance test
8. Secondary Injection Relay Test Sets
9. Cable fault location system
10. DC System/Battery Testers
11. Electric safety tools and test equipments
Lucyelec Test Equipment Factory Workshops:
If you have any inquiry about quotation or cooperation, please contact Lucyelec. Our sales representative will reply you within 24 hours. Thank you for your interest in our products.
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