How often should the Insulating Oil Dielectric Strength Tester be calibrated?

At least once a year; shorten intervals for frequent use, harsh environments, or post-maintenance.

What is the main function of the Insulating Oil Dielectric Strength Tester (80kv/100kv)?

Tests insulating oil's dielectric strength to detect impurities, moisture, or aging, ensuring safe operation of transformers and circuit breakers.

Digital Electric Insulation Resistance Tester for Cable-Testing

Name: Digital Electric Insulation Resistance Tester for Cable-Testing
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2134729312

Hebei, ChinaRefine On (Hebei) Electric Power Technology Co., Ltd.

US$680.00

1 Piece

Product specifications

10kV

Product profile

Customization

Available

After-sales Service

Provided

Warranty

One-Year

Model NO.

NRG2705

Accuracy Grade

Load Way

Electronic Load

Display

Digital

Control

Computer Control

Weight

2750g

Power Source

12.6V Rechargeable Battery

Pressure Resistance

AC3kv/50Hz 1min

Automatic Shut-Down

After 15 Minutes Boot

Standby Power Consumption

30mA Max(Backlight off)

Turn on Backlight Power Consumption

42mA Max

Measure Power Consumption

200mA Max(Backlight off)

Data Review

"Mr" Symbol Display

LCD Display Size

108mm×65mm

DC Voltage Range and Resolution

0-1000V 0.1V

AC Voltage Range and Resolution

0-750V 0.1V

DC Current and Resolution

0.1na-6mA 0.1na

Capacitance and Resolution

10NF-50UF 10NF

Transport Package

Wooden Box with Foam Inside

Specification

240mm×188mm×85mm

Trademark

Refine On

Origin

China

HS Code

903033200

Production Capacity

100 Set Per Week

Key features

Multi-Function Testing: Tests insulation resistance, DC/AC voltage, DC current, capacitance, and absorption ratio.

Step-Adjustable Voltage: Generates multiple voltage levels up to 15KV with 6 distinct output steps.

Data Storage & USB: Stores 500 groups of data with USB interface for computer upload and printing.

Robust Protection: Shockproof, dustproof, and moisture-proof structure with IP54 rating.

Rechargeable Battery: Powered by 12.6V rechargeable battery with low battery warning and auto shut-down.

Comprehensive Certifications: Meets IEC61010-1, IEC61557-1,5, and IP54 safety regulations.

Company profile

R&D Capabilities100% Finished Products InspectionODM ServicesProduction Process Visualization

Refine On (Hebei) Electric Power Technology Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.30h

AI-Powered supplier vetting

SummaryThe supplier is a technology-driven enterprise integrating R&D, production, sales, and after-sales service, offering electrical testing equipment, specialized tools, meters, and related products. It reports new products within the past year, ODM capability, broad customization options, and OEM service for well-known brands. Overseas service is stated for Vietnam and Russia, including installation, debugging, maintenance, repair, and training, but the supplier has no overseas warehouses, showrooms, agents, or branches and has not participated in offline trade shows. Quality assurance and raw-material traceability are reported, while several service-control procedures lack written records. Financial information is inconsistent and insufficient for assessment.

Supplier typeThe supplier identifies as a technology-driven enterprise integrating R&D, production, sales, and after-sales service. Its listed products include electrical tools, intelligent meters, energy measurement equipment, fault-location and cable-testing equipment, and specialized instruments, indicating a manufacturer-oriented technology supplier.

After-Sales capabilityThe supplier states that it provides after-sales service and offers installation, debugging, maintenance, repair, and training in Vietnam and Russia. However, it has no overseas warehouse, showroom, agent, or branch, has not participated in offline trade shows, and its complaint-handling and service corrective-action procedures have no written records, limiting evidence of formal service execution controls.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and integration of R&D with production and after-sales service. It does not have an available SDK, but the available evidence still explicitly supports product-development capability.

Production capacityThe supplier is described as integrating production with R&D, sales, and after-sales service, and it lists a broad product range including tools, meters, and testing equipment. Quality assurance and raw-material traceability are reported, but the slices do not provide production capacity, factory scale, or output data.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service, providing direct evidence of broad customization capability.

Product Q&A

Q:What is the application scope of the High-Voltage Insulation Resistance Tester?

Tests insulation of high-voltage equipment (transformers, generators, cables, etc.); checks for moisture, dirt, or aging to support commissioning and maintenance.

Q:How to improve the accuracy of the Cable Fault Location Tester?

Ensure correct, firm test line connections. Select proper test mode/parameters for fault type. Eliminate environmental interference; keep site clean/dry. Calibrate regularly. Test multiple times for complex faults; analyze results comprehensively.

Q:What can the Transformer Capacity Tester detect?

Detects transformer's actual capacity, no-load/load loss, no-load current, and impedance voltage; judges compliance and faults.

Q:How to use the Transformer Tap Changer Tester?

1. Connect test lines to tap changer terminals per manual. 2. Power on, select test mode (e.g., resistance test). 3. View results; disconnect and power off after. (Note: De-energize and ground transformer first.)

Q:What types of cable faults can the Multiple Pulse Cable Fault Tester detect?

Detects low-resistance (short circuits), high-resistance (leakage), and open-circuit faults; locates faults via pulse reflection.