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T-3720 Oilfield Telecom Earth Resistance Tester
US$500.00
1 Set
Product profile
Customization
AvailableAfter-sales Service
Three YearsWarranty
Three YearsModel NO.
T-3720Power Supply
6VDC 4 PCS of AA Alkaline Lr6 BatteriesCurrent Range
0.00mA-20.0A; 0.00mA-40.0ACurrent Resolution
0.05mATransport Package
Carton BoxSpecification
285mm×85mm×58mmTrademark
GFUVEOrigin
ChinaKey features
500 group storage;
Quick self-test function;
User friendly operation;
Testing loop resistance;
Testing leakage current;
Testing earth resistance;
Real time clock function;
Panel operation with 6 buttons;
This new design for clamp long life;
This new black screen design, high-end luxury;
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-08-01Nearest Port: TIANJINGAverage Response Time: ≤11.22hTerms 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:What is the warranty period for this tester?
A:
The T-3720 Oilfield Telecom Earth Resistance Tester comes with a three-year warranty.
Q:Does this device require auxiliary electrodes for measurement?
A:
No, it measures grounding resistance safely and quickly without the need for auxiliary electrodes or disconnecting the earthing lead.
Q:How long does the battery last on a single charge?
A:
The device can work continuously for 30 hours using 4 AA Alkaline LR6 batteries.
Q:Is the device suitable for use in oil fields?
A:
Yes, it is widely used in telecommunications, electric power, meteorology, engine rooms, oil fields, and power distribution lines.
Q:What safety standards does the tester meet?
A:
It complies with IEC/EN61010-1, IEC1010-2-032, Pollution level 2, CAT IV(600V), and IEC/EN61557-5, 13, 16 standards.
Send Inquiry
*To:
Beijing GFUVE Electronics Co., Ltd.
Beijing GFUVE Electronics Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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