Intelligent Contact Resistance Tester
Micro Ohm Meter Single Phase Loop Resistance Test Set with Printing
Product Overview
The SXHL Micro Ohm Meter is designed for high voltage switch maintenance and circuit resistance testing in power and power supply departments. This intelligent contact resistance tester provides flexible current selection from 50A, 100A, 150A to 200A, enabling direct loop resistance testing under 100A and 200A conditions.
Utilizing advanced power technology, the instrument delivers sustained high current output and combines high-frequency switch power with digital circuit technology. Fully compliant with the latest power industry standard DL/T845.4-2004, it offers high precision and excellent stability for demanding field and factory testing applications.
Key Features
- High Current & Continuous Output: Advanced power technology provides stable, continuous high current output, effectively breaking down oxide films on switch contacts for accurate, reliable test results.
- Excellent Stability & Anti-Interference: Maintains stable LCD display with minimal fluctuation (±1 digit) even under strong electromagnetic interference, ensuring consistent readings and repeatability.
- High Precision & Resolution: Dual-channel high-speed 16-bit ΣΔ A/D converters with digital signal processing achieve maximum resolution of 0.01 µΩ.
- Intelligent Operation & Safety Protection: High-performance CPU automatically adjusts measurement ranges and includes over-temperature protection for operational safety.
- High-Quality Components: Key components sourced from internationally renowned manufacturers ensure long-term reliability and performance stability.
- Wide Current Range & Flexible Timing: Supports multiple test currents (50A, 100A, 150A, 200A) with adjustable measurement durations from 5 to 599 seconds.
- User-Friendly Interface: Intuitive rotary-mouse control for easy data entry, customizable settings, and convenient save/print functions.
- USB Data Export & PC Analysis: Built-in USB interface for data transfer and compatible PC software for detailed analysis.
- Portable & Easy to Operate: Compact, lightweight design suitable for both field and laboratory applications.
Technical Specifications
| Parameter |
Specification |
| Measurement Range |
0~1999 μΩ |
| Measured Current |
DC 50A, 100A, 150A, 200A fixed output |
| Accuracy |
0.5%±1d |
| Working Mode |
Continuous |
| Display |
3-1/2 LCD |
| Power Supply |
AC220V±10% 50Hz |
| Service Conditions |
Temperature -10ºC~40ºC, humidity: ≤80%RH |
| Dimension |
370×320×260 mm |
| Weight |
9.6Kg (not including accessories) |
Standard Accessories
| Serial Number |
Name |
Amount |
| 1 |
Mainframe |
One |
| 2 |
Test line (high current line 6m*2, two high current test clips, Voltage test line 6m*2) |
One |
| 3 |
Ground lead |
One |
| 4 |
8A Fuse |
Three |
| 5 |
Accessory package |
One |
| 6 |
AC 220V Power line |
One |
| 7 |
Printing paper |
Four |
| 8 |
Disk |
One |
| 9 |
Specification |
One |
| 10 |
Inspection Report |
One |
| 11 |
Certification |
One |
Manufacturer Information
Sansion Power Electric Co., Ltd was established in 2005 with over 10 years of experience in R&D, manufacturing and marketing of power electrical testing products. Our equipment is widely used in power electric, railroad, energy conservation, environment protection, water conservancy, petrochemical industry, aerospace and other fields.
Main Product Lines
HV Hipot Test Set System, Transformer Test Equipment, HV Switchgear Test Set, Relay Protection Tester, CT/PT Tester, SF6/Oil Tester, Transmission Line Test System, Insulation Resistance Tester, Earth Resistance Tester
Quality Assurance
Sansion Power Electric maintains R&D department, manufacturing workshops, HV testing laboratory, and quality control department with over 60 employees including 20 technical engineers. We hold ISO9001 quality system certification and all products strictly conform to international IEC or Chinese state standards.
Frequently Asked Questions
Q1: Is your company a sales company or a manufacturer?
A: Sansion Power Electric Co., Ltd. is an industrial and trade enterprise with its own factory, self-produced and self-sold. Founded in 2005, we have extensive production experience with reliable production lines, test rooms and R&D centers.
Q2: Whether the goods are in stock, whether they can be customized, and how long the delivery time is?
A: Products are made to order according to customer requirements using the latest technology. Delivery time is typically within 10 working days.
Q3: Is the quality guaranteed?
A: We use imported components and conduct three quality inspections before shipment. Export products are packed in non-fumigation wooden boxes.
Q4: What are the after-sales terms?
A: We offer free consulting service, one year warranty, and support through email communication, video calls, and technical assistance to resolve after-sales problems promptly.
Q5: What are the cooperative countries or regions?
A: Our products have been successfully exported to the United States, France, Brazil, Australia, Spain, Portugal, Oman, Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia and other countries and regions.
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