High Voltage 20kV Digital Insulation Resistance Test Equipment
The SX-3125A High Voltage Digital Insulation Resistance Tester is a professional-grade megohmmeter designed for comprehensive insulation resistance testing. This advanced instrument features large-screen LCD gray backlight display, data storage and query capabilities, automatic discharge, charging functions, and automatic shutdown. It also measures DC voltage, AC voltage, absorption ratio, and polarization index.
Key Features
- Four voltage output positions: 500V, 1000V, 2500V, 5000V with resistance range 0-1000GΩ
- Dual display: digital LED and mechanical meter for insulation resistance
- Automatic calculation of absorption ratio and polarization index
- User-friendly interface with continuous storage of 20 measurement results
- Automatic discharge of residual high voltage after testing
- Dual power supply: rechargeable battery or AC adapter
- Strong anti-interference capability for stable, reliable readings
- Portable design suitable for field work
- Short-circuit current ≥1mA, ideal for testing large transformers, generators, HV motors, capacitors, cables, and surge arrestors
Technical Specifications
| Range |
500V |
1000V |
2500V |
5000V |
| Measurement Range |
0.0-99.9MΩ
100-999MΩ |
0.0-99.9MΩ
100-999MΩ
1.00-1.99GΩ |
0.0-99.9MΩ
100-999MΩ
1.00-1.99GΩ
10.0-99.9GΩ |
0.0-99.9MΩ
100-999MΩ
1.00-1.99GΩ
10.0-99.9GΩ
100-1000GΩ(1TΩ) |
| Accuracy |
±5%rdg ± 3dgt |
±5%rdg ± 3dgt |
±5%rdg ± 3dgt |
±5%rdg ± 3dgt
±20%rdg (Above 100G) |
| Short-circuit Current |
Approximately 1.5mA |
| Rated Grid Measurement Current |
1mA-1.2mA (0.5MΩ load) |
1mA-1.2mA (1MΩ load) |
1mA-1.2mA (2.5MΩ load) |
1mA-1.2mA (5MΩ load) |
| Open Circuit Voltage |
500VDC+30% Within -0% |
1000VDC+20% Within -0% |
2500VDC+20% Within -0% |
5000VDC+20% Within -0% |
About Sansion Power Electric
Established in 2005, Sansion Power Electric brings over 20 years of expertise in R&D, manufacturing, and marketing of power electrical testing products. Our solutions are widely used in power electric, railroad, energy conservation, environment protection, water conservancy, petrochemical industry, aerospace, and other critical sectors.
Our facility includes R&D departments, instrument manufacturing workshops, high voltage workshops, sample exhibition rooms, HV testing laboratories, and quality control departments. With over 80 employees including 20 technical engineers, we maintain ISO9001 quality system certification and ensure all products strictly conform to international IEC and Chinese state standards.
Frequently Asked Questions
Q1: Is your company a sales company or a manufacturer?
Sansion Power Electric Co., Ltd. is an industrial and trade enterprise with our own factory, operating as self-produced and self-sold. Founded in 2005, we have twenty years of production experience with reliable production lines, test rooms, and R&D centers.
Q2: Are goods in stock? Can they be customized? What is the delivery time?
We manufacture to order according to customer specifications using the latest technology. Delivery time is typically within 10 working days under normal circumstances.
Q3: Is the quality guaranteed?
We use imported components extensively and conduct three quality inspections before shipment. All exports are packed in non-fumigation wooden boxes to ensure product integrity.
Q4: What are the after-sales terms?
We provide free consulting service, one-year warranty, and comprehensive support through email communication, video calls, and technical on-site assistance to resolve any after-sales issues promptly.
Q5: What are your cooperative countries or regions?
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 worldwide.
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
हिन्दी
Türkçe
indonesia
tiếng Việt
ไทย
বাংলা
فارسی
polski
