GDHL IEC62271 Digital CB Contact Resistance Tester
Product Description
- Contact resistance tester is used to test the contact resistance of circuit breaker or high current cable contacts.
- It is designed according to IEC62271.
- The main application of the tester is measurement of circuit breaker contact resistance.
- All the test results of the tester could be print by the micro-printer which is integrated in the tester.
- Also all the test results saved in the tester could be upload to PC computer and then convert to MS WORD document.
Features & Functions
- Rapid test;
- Result print;
- Upload data to PC;
What is contact resistance test
Contact resistance testing is a process of measuring the resistance between two metal surfaces that are in contact with each other. It is typically used to determine the quality of the electrical connections between two conductors, such as in circuit breakers, switches, and bus bars.
During the test, a low voltage is applied across the two metal surfaces, and the resulting current is measured. The resistance of the contact is then calculated using Ohm's law (R=V/I), where R is the resistance, V is the voltage, and I is the current.
By measuring the contact resistance, engineers and technicians can determine the condition of the electrical contacts and identify any potential problems, such as corrosion, oxidation, or loose connections. This information can be used to prevent equipment failure, improve safety, and maintain the reliability of electrical systems.
Specifications
| No. |
Item Name |
GDHL-III IEC62271 Digital CB Contact Resistance Tester |
| 1 |
Measuring range |
0-1999.9 μΩ Resolution:0.1 μΩ |
| 2 |
Measuring current |
DC 100A, 200A, 400A, 600A for choice |
| 3 |
Measuring precision |
0.5 %RGD+0.05%FS |
| 4 |
Display mode |
LCD |
| 5 |
Data storage |
Save no more than 100 groups of data |
| 6 |
Data connection |
RS232 computer interface |
| 7 |
Rated power supply |
AC220V |
| 8 |
Size |
340mm× 280mm × 210mm |
| 9 |
Environment temperature |
-10 ºC~+40 ºC |
| 10 |
Relative humidity |
<80% |
Product Show
Four Sets GDHL-200A Contact Resistance Tester Sold to USA
Company Profile
Audited Supplier 
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