Product Introduction:
The Contact Resistance Meter is a high-precision digital switch detection instrument developed by our company in strict accordance with IEC standards and relevant national regulations, leveraging our full technical expertise and advantages.
The instrument utilizes sine wave inverter technology and a high-power constant current switching power supply, enabling precise measurement of micro-ohm level contact resistance. It is widely used for measuring the contact resistance and loop resistance of various switches and electrical appliances, as well as the contact resistance of cables, wires, and welds.
Technical parameters
| Test current | DC 100A, DC 200A, DC 300A, DC 600A |
| Measurement Range | 1~1999μΩ |
| Measuring range | (1) 0~50mΩ(100A) |
| (2) 0~25mΩ(200A) | |
| (3) 0~16mΩ (300A) | |
| (4) 0~8mΩ (600A) | |
| Resolution | 0.1μΩ |
| Measurement accuracy | 0.5%±2d |
| Power | 6000W |
| Working mode | rapidly/30S/1MIN/Continuously |
| Power Supply | AC220V±10% 50Hz |
| Working environment | Temperature: -10°C~40°C |
| Humidity: ≤80%RH No condensation |
Product Characteristics:
1、High Test Current: Delivers a large test current that fully meets the requirements of national standards for contact resistance testing.
2、High Output Voltage with Wide Range: Provides high output voltage and a broad test range for versatile applications.
3、Precision Constant Current Source: The test current is sourced from a high-precision, high-current constant current power supply, eliminating the need for manual adjustment and ensuring fast and accurate testing.
4、Four-Terminal Wiring Method: Utilizes a four-terminal wiring configuration to effectively eliminate the influence of test lead resistance on measurement results.
5、Fast Test Speed: Test results are displayed in approximately 8 seconds, enabling efficient operation.
6、User-Friendly Display: Equipped with a 128×64 dot matrix LCD, featuring full English operation and display for customer convenience.
7、Real-Time Printing: Built-in function for real-time printing of test data.
8、Intelligent Power Management: Incorporates smart power management technology, allowing the instrument to operate in a minimum power state, effectively reducing internal heat generation and conserving energy.
9、Data Storage and Clock Function: Features clock and data storage capabilities, facilitating convenient query and management of test data for users
