Does the T-3720 support USB communication?

Yes, the T-3720 and T-3720A models include a USB port with isolation technology for safe and reliable data communication.

T-3720 Ground Resistance Clamp Tester

Name: T-3720 Ground Resistance Clamp Tester
Brand: Beijing GFUVE Electronics Co., Ltd.
SKU: 2153515812

Beijing, ChinaBeijing GFUVE Electronics Co., Ltd.

US$5,000.00-6,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

24 Hours Service

Warranty

3 Years

Model NO.

T-3720

Display Type

LCD

Certification

Customized

Model

T-3720 T-3720A T-3720b

Power Supply

6VDC 4 PCS of AA Alkaline Lr6 Batteries

Resistance Range

0.01-1500ω; 0.01-1200ω; 0.01-500ω

Current Range

0.00mA-20.0A; 0.00mA-40.0A

Data Memory

500 Sets

Clamp Opening

32mm

Communication Port

USB Port

Weight (Kg)

1.18 (with Batteries)

Operating Temperature

-10°C to +50°C

Transport Package

Standard Export Crates

Specification

285mm×85mm×58mm

Trademark

GFUVE

Origin

China

Key features

No Auxiliary Electrodes: Measures ground resistance safely and quickly without disconnecting earthing leads or using auxiliary electrodes.

500 Sets Data Memory: Stores up to 500 sets of measurement data for convenient record keeping and analysis.

Multi-Function Testing: Capable of testing loop resistance, leakage current, and earth resistance with real-time clock function.

USB Communication: Equipped with isolation USB technology for safe and reliable data transfer.

3-Year Warranty: Comes with a 3-year warranty and 24-hour after-sales service support.

CE Certified: Meets CE certification standards and IEC/EN61010-1 safety standards.

Company profile

Beijing GFUVE Electronics Co., Ltd.

Beijing, China

Business Type: Manufacturer/FactoryExport Year: 2010-08-01Nearest Port: TIANJINGAverage Response Time: ≤10.86hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, FCA, EXW

AI-Powered supplier vetting

SummaryBEIJING GFUVE ELECTRONICS CO., LTD. is a China-based supplier of current transformers, power meters, calibration equipment, power quality analyzers, and related electrical testing products. The provided records describe the company as both a manufacturer/factory and a trading company, with four production lines, broad export-market coverage, stated export activity since 2010, and in-house import/export rights. ISO 9001 and ISO 14001 certifications are reported, alongside 31–40 years of cumulative R&D engineer experience and 21–30 quality-control staff. Its stated lead time is within 15 working days in off-peak periods and one month during peak periods. Evidence of product and export activity exists, including current transformers and GPS-based time synchronization devices, but customer references are limited to one named buyer and one recorded trade transaction. The supplied information does not establish financial strength, after-sales service processes, or product customization capability.

Supplier typeThe supplier is identified as a limited company based in Beijing, China. Its business classification is stated as a trading company, while another record identifies it as a manufacturer/factory, indicating a mixed manufacturing and trading profile.

CertificationsThe company states that it has achieved ISO 9001 certification, and its supplier-management certifications are listed as ISO 9001 and ISO 14001. These records provide explicit evidence of certified quality and environmental management systems.

R&D capabilityThe supplier reports 31–40 years of cumulative R&D engineer experience and describes ongoing development of durable and stable power-system products. These statements support an established R&D resource, although no patents, dedicated laboratories, new-product counts, or independently verified innovations are provided.

Production capacityThe supplier reports four production lines, an annual output above the stated threshold, a Beijing factory location, 21–30 quality-control staff, and lead times of within 15 working days off-peak and one month during peak periods. These explicit operating and quality-control figures support meaningful production capability.

Product Q&A

Q:Does the T-3720 require auxiliary electrodes for measurement?

No, the T-3720 earth resistance clamp tester does not need auxiliary electrodes. It measures grounding resistance by induction, allowing for safe and fast measurements without disconnecting the earthing lead.

Q:How many sets of data can the device store?

The device has a data memory capacity of 500 sets, allowing users to store and review previous measurements.

Q:What is the warranty period for this product?

The product comes with a 3-year warranty and includes 24-hour after-sales service support.

Q:What types of applications is the T-3720 suitable for?

It is widely used in telecommunications, power plants, meteorology, oil fields, power distribution lines, tower transmission lines, gas stations, factory grounding grids, and lightning rods.

Q:What is the power supply for the T-3720?

The device is powered by 6VDC, using 4 pieces of AA Alkaline Lr6 batteries.