Contact Loop Resistance Tester

Contact Loop Resi stance Tester

This high-precision measurement equipment for the power industry conforms to industry testing procedures and features an integrated, portable design.

High current output, intelligent operation, multiple storage and output modes, and wide-temperature LCD suitable for outdoor environments.

It is suitable for measuring the contact and circuit resistance of electrical equipment in power plants, substations and other electrical facilities.

The MOEORW-W5101C loop resistance tester is a high-precision measuring device specifically designed for the power industry. It conforms to national standard testing procedures and features an integrated, portable design suitable for outdoor operations. It can stably output ≥100A of high current, offers intelligent self-testing, multiple data storage and printing methods, and is easy to operate. It accurately measures the contact and loop resistance of electrical equipment such as circuit breakers and disconnect switches, and is suitable for power plants, substations, large factories, and mines.

2.1 Name and Classification

(1) Instrument name: MOEORW- W 5101C loop resistance tester.

(2) Environmental group: It belongs to Group III of GB65-87 and Resistance 1-86 "General Outline of Environmental Testing of Electronic Measuring Instruments" (that is, it can be used in outdoor environment).

2.2 Measurement Range

Resistance value: 0-3000.00 μΩ (3.0 m Ω )

2.3 Test Current

The test output current of this instrument is ≥100A.

2.4 Measurement Accuracy

The measurement accuracy of this instrument is: 0.5 % rdg ± 1 μΩ

2.5 Highest resolution

The highest resolution of this instrument is 0.01 μΩ .

2.6 Maximum power of the instrument

The rated power of this instrument is ≤500W.

2.7 Using a power supply

(1) Voltage: AC220V±10%

(2) Frequency: 50Hz± 1Hz

2.8 Environmental Requirements

(1) Ambient temperature: -10℃-40℃

(2) Relative humidity: ≤80%

2.9 Instrument Type and Dimensions

(1) Instrument type: integrated portable

(2) Test line length: 6 meters as standard (longer lines can be customized)

(3) Dimensions and weight: 360*280*230mm 5kg

(4) Working method: Long-term continuous work

2.10 Test Time

The instrument offers selectable testing times of 3S, 15S, 60S, and 3600S. Measurements can be stopped at any time by pressing the confirmation button after data is generated during the test.

Test current options: 50A, 100A.

(1) It adopts the latest power supply technology and can continuously output a large current of ≥DC100A for a long time. It can efficiently break down the oxide film of switch contacts or electrical appliances and obtain good test results.

(2) It has a high degree of intelligence, can set the date, perform instrument self-test, save measurement data to USB flash drive, and has a built-in micro printer to output and print test results. It can also import test data into a computer and print standard A4 reports. It supports Bluetooth communication (software protocol support required).

(3) A wide-temperature-range alphanumeric LCD display is adopted, which solves the problem that the LCD display is prone to failure under high temperature and direct sunlight.

(4) It is easy to operate without adjusting the knob. The instrument automatically outputs 100A current. It is small in size, light in weight, and easy to carry.

♦ The MOEORW -W 5101C loop resistance tester is developed and designed in accordance with the power industry standard SD301-88 "Code for Acceptance and Preventive Testing of AC 500kV Power Equipment" and the new version of "Code for Preventive Testing of Electrical Equipment".

♦ It is suitable for high-precision measurement of the contact (circuit) resistance of electrical equipment in power plants, substations, and large factories and mines, such as circuit breakers and disconnect switches. It is also suitable for other applications requiring high-current, low-resistance measurement.