E-TEST is a leading supplier in the production and sales market. We offer the most reliable and economic test equipment in the industry All our products meet international quality standards and are highly appreciated in various markets around the world. Scientific management, superb technology, strict quality control, and considerate service are our core advantages. We look forward to your contact and cooperation!
Why Choose Us
Our service
With rich experience and one-to-one service, we can help you choose products and answer technical questions. Track usage and give positive feedback. Ensure that any professional and technical questions you raise are answered within 2 hours.
After-sales policy
After the arrival of the product, there are quality problems in normal use, one year warranty, free technical consultation for life, lifelong maintenance, and the implementation of contract agreements as stipulated in the contract.
Product application
High quality electrical safety test instruments and automated test systems to suit power utility, power apparatus, and electronic equipment industries, metallurgical and petrochemical system, factories, mines and institutions.
Benefits of GM-20kV Insulation Resistance Tester
Safety
Insulation Resistance testing helps ensure the safe use of electrical equipment by detecting any insulation faults that could result in electric shock or fire hazards.
Maintenance
Insulation resistance testing helps detect early signs of insulation degradation, allowing timely repair and replacement of affected equipment.
Compliance
To ensure compliance with safety and performance requirements, many industry standards and regulations mandate periodic insulation resistance testing of electrical equipment.
Troubleshooting
Insulation resistance testing can solve electrical problems by identifying the electrical fault or source of the fault.
Importance of ET-3200C Earth Ground Resistance Testing
Safety
A properly functioning grounding system is vital for protecting people from electric shocks and reducing the risk of fires caused by electrical faults. High earth ground resistance can result in hazardous voltage levels and ineffective fault current dissipation.
Equipment protection
Grounding systems help to prevent damage to electrical equipment by providing a path for fault current and transient voltages to be safely discharged into the earth. High resistance can compromise this protection, potentially causing costly damage and downtime.
Applications of GM-20kV Insulation Resistance Tester
Industry and Mechanical Engineering: In industry, insulation testers are used to regularly check the insulation of machines and electrical installations. This is especially important in large production plants or when manufacturing machines that undergo heavy use.
Electrical Installations: When installing electrical systems, particularly in new buildings or during renovations, insulation testers are used to ensure that all electrical systems are properly insulated and pose no safety risk.
Medical Devices: In medical technology, insulation testers are crucial for checking the insulation of medical devices such as X-ray machines, defibrillators, or ultrasound equipment, ensuring the safety of patients and medical staff.
Automotive Industry: Electromobility also requires the use of insulation testers to check the insulation of batteries and electric drive systems. These devices ensure that electric and hybrid vehicles can be operated safely.
Energy Industry: In the energy sector, particularly in the installation and maintenance of high-voltage lines or transformers, insulation testers are used to test the integrity of insulation and ensure that electrical failures due to defective insulation do not occur.
Research and Development: In research and development, insulation testers are used to test the insulation of new products or technologies and ensure that they meet safety requirements.
The earth resistance tester finds widespread application in the grounding system testing of various electrical equipment, including power systems, communication systems, and buildings. In power systems, the tester can be used to assess the grounding systems of substations, distribution rooms, and generator units. In communication systems, it is employed to test the grounding systems of communication towers, antennas, and other equipment. In buildings, the earth resistance tester ensures the safety performance of the building's grounding system.
The earth resistance tester is a crucial electrical testing instrument used to guarantee the safe and reliable operation of various electrical equipment. When using the earth resistance tester, attention should be given to pre-testing preparations, the selection of appropriate testing modes and ranges, and safety considerations during the testing process. With advantages such as accurate and reliable test results, simplicity of operation, compact size, and affordability, the earth resistance tester is suitable for enterprises and organizations of various scales.
Technique specifications of GM-20kV Insulation Resistance Tester
|
Mode |
Test voltage |
Voltage accuracy |
Short-circuit current |
|
GM-5kV |
0.25,0.5,1,2.5,5kV |
±（5%+10V） |
＞5mA |
|
GM-10kV |
0.5,1,2.5,5,10kV |
±（5%+10V） |
＞5mA |
|
GM-15kV |
1,2.5,5,10,15kV |
±（5%+10V） |
＞5mA |
|
GM-20kV |
0.5,1,2.5,5,10,20kV |
±（5%+10V） |
＞5mA |
Specs of ET-3200C Earth Resistance Tester
|
Model |
SISCO-ERT-3200C |
|
Power Supply |
DC7.4V 2600mAh rechargeable lithium battery |
|
2/3/4-wire Method Measure Earth Resistance |
Range: 0.00Ω~300KΩ; Resolution: 0.01Ω; Accuracy: ±2%rdg±3dgt |
|
Selection Method Measure Earth Resistance |
Range: 0.00Ω~3000Ω; Resolution: 0.01Ω; Accuracy: ±2%rdg±3dgt |
|
Double Clamp Method Measure Earth Resistance |
Range: 0.00Ω~100Ω; Resolution: 0.01Ω; Accuracy: ±10%rdg±5dgt |
|
Earth Voltage Measurement |
Range: 0.0~100V AC; Resolution: 0.1V; Accuracy: ±2%rdg±3dgt |
|
Earth current Measurement |
Range: 0.00mA~600.0A Resolution: 0.00mA; Accuracy: ±2%rdg±3dgt |
|
Soil Resistivity Measurement(ρ) |
Range: 0.00Ωm~9000KΩm; Resolution: 0.01Ωm |
|
CT Size |
φ70mm |
|
Short-circuit Test Current |
AC 250mA max |
|
Open-circuit Test Current |
AC 40V max |
|
Test Frequency |
128Hz/111Hz/105Hz/94Hz (AFC) |
|
Data Storage |
2000 groups |
|
Automatic Shutdown |
15 minutes after power on, will automatically shut down without any operation |
|
LCD Dimension |
LCD Frame Dimension: 128mm×75mm; LCD Display Dimension: 124mm×67mm |
|
Tester Dimension |
80mm(L)×260mm(W)×160mm(H) |
|
Total Weight |
6700g (include package) |
|
Working Current |
Standby: around 25mA (Backlight close); Measurement: 100mA (Backlight close) |
|
Test Wires |
Red 40m, yellow 30m, green 20m, black 10m, red 1.6m, black 1.6m (total 6 pcs wires) |
|
Auxiliary Ground Rod |
4PCS: φ10mm×150mm |
|
USB Interface |
With USB interface, software monitoring, storage data can be uploaded to computer, saved and printed |
|
Bluetooth Communication |
Support the Bluetooth communication function of the Android system, after installation the APP, mobile terminals can be used to test operations and view test records |
|
Alarm Function |
Measure value exceeds alarm setting value, will "Toot-toot-toot" alarm indication |
|
Battery Voltage |
While the battery voltage decreases to around DC 7.2V±0.1V, will display low battery voltage symbol, and remind to replace the battery |
|
Accessories |
Tester: 1PC; Current Clamp Sensor: 2PCS; Ground Rod: 4PCS; Testing wires: 6PCS; USB communication cable: 1PCS; Special recahrager: 1PCS; Tester bag: 1PCS |
Packing & Delivery
Safe and secure packaging
Use different packaging for our products according to the characteristics of different products, such as foam bags, inner corrugated cartons, blister packs, outer cartons, and so on. so no concern of products damage during transportation .
Support customized packaging
Support customized product logos labels, , expanded product features, etc., but require a minimum order quantity.
Shipping Details
Usually transported by door to door International Express (DHL, UPS, FEDEX, TNT, HongKong Post Air Mail etc). we could also take delivery of bulk order by Sea, Air or Railway.
Shipping Time
1-3 working days for small order; 3-10 working days for bulk order; customized products are dependent on the individual situation.
We're professional meters manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy bulk meters in stock here and get free sample from our factory. Good service and low price are available.