bowen@harchin.com
Nanjing Gaodian Electric Power Equipment

Power Testing Instruments

GD240-100A Loop Resistance Tester

Measures the contact resistance of high-voltage switch and combined electrical apparatus contacts, and the micro-ohm values of other electrical equipment. Built to DL/T 845.1-845.4-2004 with 100A/200A current output.

GD240-100A Loop Resistance Tester

Overview

Measures the contact resistance of high-voltage switch and combined electrical apparatus contacts, and the micro-ohm values of other electrical equipment. Built to DL/T 845.1-845.4-2004 with 100A/200A current output.

Standards & Compliance

Cited in this product’s specification

Benchmark standards for this equipment category

Systems in this category are commonly specified against these standards, linked to the issuing body. Final configuration and acceptance criteria follow the standard and edition you nominate.

Application Scenarios

HV switch contact resistance testingCombined electrical apparatus contact testingMicro-ohm measurement of electrical equipment

Request Specifications & Quotation

Tell us your test object ratings, the test items you need and the applicable standards. Our sales engineers reply with a configuration proposal and a formal quotation within 24 hours.

Get a Quote

Detailed Description

Overview: the GD240-100A/200A loop resistance tester was developed to DL/T 845.1-DL/T 845.4-2004 and is simple to operate and easy to carry. It tests the contact resistance of high-voltage switches and combined electrical apparatus contacts, and the micro-ohm values of other electrical equipment.

Design: it uses single-chip microcomputer and switch-mode power-supply technology for a compact, light build. Two energising times (1 min and 2 min) and two working currents (100 A and 200 A) are selectable, with a user-friendly power-protection scheme.

Technical Specifications

Working supplyAC(220±22)V
Current source output100A and 200A selectable
Measuring range (100A)1-20000μΩ
Measuring range (200A)1-10000μΩ
Measurement accuracy(0.5%)Rx ±3 digits
Display resolutionDown to 0.01μΩ
Dimensions320mm x 240mm x 200mm
Weight4kg / 6kg

Frequently Asked Questions

What is the GD240-100A Loop Resistance Tester used for?
It tests the contact resistance of high-voltage switches and combined electrical apparatus contacts, and the micro-ohm values of other electrical equipment. It is designed to DL/T 845.1-DL/T 845.4-2004 (general technical conditions for resistance measuring devices).
What current outputs does it support?
It offers two selectable working currents, 100 A and 200 A. At 100 A the measuring range is 1-20000μΩ and at 200 A it is 1-10000μΩ, with a measurement accuracy of (0.5%)Rx ±3 digits and display resolution down to 0.01μΩ.
How do I get a quotation?
Email your required current range and application to bowen@harchin.com. The instrument is manufactured in our Nanjing facility and quoted directly from the factory based on your configuration.

Reviewed by the Application Engineering Team at Nanjing Gaodian Electric Power Equipment

Specifications are taken from the manufacturer’s technical documentation. Final configuration and acceptance criteria follow the standard and edition you nominate — tell us your test list and we will confirm the ratings.

Related Products

GD230 Ground Continuity Tester
Power Testing Instruments

GD230 Ground Continuity Tester

Portable instrument for measuring the continuity resistance between the grounding down conductors of individual items of equipment in a substation. Controlled by a high-performance MCU with automatic current selection, on-board data retention and a thermal printer.

ECBZ-GD Energy-Efficient Transformer Energy-Grade Evaluation System
Transformer Testing

ECBZ-GD Energy-Efficient Transformer Energy-Grade Evaluation System

Automatic evaluation system for the energy-efficiency grade of distribution transformers up to 800 kVA at 10 kV/0.4 kV. Combines intelligent test sequence control, automatic wiring changeover, data processing, data upload and report generation in one bench.

ETCR200 Clamp-on Ground Resistance Tester
Power Testing Instruments

ETCR200 Clamp-on Ground Resistance Tester

Clamp-on ground resistance tester for power, telecom, meteorological and other electrical installations. Measures without auxiliary electrodes, so no disconnection of the grounding conductor and no electrode layout error.

GD-300D Reactor Electrical Parameter Tester (Portable)
Reactor & Arc Suppression Coil Testing

GD-300D Reactor Electrical Parameter Tester (Portable)

Portable instrument dedicated to measuring the electrical parameters of single-phase and three-phase reactors, including AC phase voltage RMS, average voltage, current RMS, active power, reactance and inductance, at 0.5 class accuracy.

GD-500 Automatic Capacitance & Inductance Tester
Power Testing Instruments

GD-500 Automatic Capacitance & Inductance Tester

Bench instrument for measuring high-voltage shunt capacitor banks of reactive power compensation installations and for reactor measurement, without disconnecting the capacitor leads. Uses four-terminal measurement and provides on-board data storage with USB transfer.

GD-300D Reactor Electrical Parameter Tester (Built-in)
Reactor & Arc Suppression Coil Testing

GD-300D Reactor Electrical Parameter Tester (Built-in)

Panel-mounted version of the GD-300D reactor electrical parameter tester, using a 320 x 240 dot-matrix LCD with multi-screen menu operation and direct measurement of three-phase reactance, inductance and total active power.

More in Power Testing Instruments

Need the datasheet for this model?

Send us this product name plus your test requirements. We reply with specifications, photos and a formal quotation.

Contact Sales Email Us