Technical Specifications
Overview
High-Capacity 3000A True RMS Clamp Meter
The 860N is a professional-grade digital clamp meter designed for high-current applications up to 3000A with True RMS accuracy. It features a robust design with anti-dropping capacity and full-range over-current protection, making it ideal for heavy industrial environments like smelting, petroleum refining, and power generation. The device is equipped with practical field features including a built-in flashlight, magnetic back for hands-free use, and integrated test lead fixers.
Key Performance Metrics
Key Performance Metrics

Measurement Capabilities
Detailed Measurement Ranges
| Function | Range | Best Accuracy |
|---|---|---|
| DC Voltage | 600mV to 1000V | ±(1.0% + 5 digits) |
| AC Voltage | 600mV to 750V | ±(1.5% + 5 digits) |
| DC Current | 200A to 3000A | ±(3.0% + 10 digits) |
| AC Current | 200A to 3000A | ±(3.5% + 12 digits) |
| Resistance | 600Ω to 60MΩ | ±(1.0% + 8 digits) |
| Capacitance | 9.999nF to 99.99mF | ±(2.5% + 10 digits) |
| Frequency | 9.999Hz to 9.999MHz | ±(0.5% + 15 digits) |
| Temperature | -20℃ to 1000℃ / -4°F to 1832°F | ±(2.0% + 3 digits) |
Advanced Features
Functional Features
- True RMS Measurement
- Auto Ranging
- Inrush Current Measurement
- Data Hold & Backlight
- MAX/MIN Value Recording
- Relative Measurement (REL)
- Duty Cycle (0.1% to 99.9%)
- Diode & Continuity Testing
- Built-in Work Light / Flashlight

Physical Design
Design Attributes
- Anti-dropping housing
- Magnetic back for mounting
- Integrated test lead fixer
- Large LCD display
- Full range over-current protection
Applications
- Target Industries
- SmeltingCommunicationsManufacturingPetroleum RefiningNational DefenseElectricityChemical Industry






