🔌 Digital Insulation Resistance Tester Megaohmmeter | 0.1MΩ-20GΩ Range | 50V/100V/250V/500V/1000V Output | PI/DAR Test | Data Logging | AC/DC Voltmeter | Portable Megger with Test Leads
⭐ Key Features
⚡ 5 Selectable Test Voltages
Precision Insulation Testing: Choose from 50V/100V/250V/500V/1000V outputs to measure insulation resistance (0.1MΩ–20GΩ) with ±(5%+10 digits) accuracy.
Wide Application: Ideal for transformers, motors, cables, and electrical equipment maintenance.
📊 Data Logging & Storage
100 Data Sets Storage: Save, recall, or delete measurements with the MEM button.
Data Hold Function: Freeze readings for documentation and analysis.
🔧 Dual-Function Voltmeter
AC/DC Voltage Measurement: Test 10V–600V AC/DC (AC: ±1%+5 digits, DC: ±0.8%+5 digits).
Frequency Detection: 40Hz–70Hz range for power quality checks.
🧠 Advanced Insulation Diagnostics
PI (Polarization Index) & DAR (Dielectric Absorption Ratio) Tests: Evaluate insulation aging and quality for preventive maintenance.
Auto Discharge: Safely discharges stored energy after tests.
🛡️ Safety & Durability
High Voltage Warning Light: Alerts during live testing.
Short-Circuit Protection: Limits current to <1.8mA for operator safety.
Dielectric Strength: Withstands AC 2kV/50Hz for 1 minute (IEC standards).
Weather-Resistant Design: IP54 rating for outdoor/industrial use.
📟 User-Friendly Interface
2000-Count Backlit LCD: Clear readings with bar graph visualization.
Low Battery Indicator: Ensures reliable operation.
Portable Design: 180×140×70mm, battery-powered for field use.
📋 Technical Specifications
| Function | Range | Accuracy |
|---|---|---|
| Insulation Resistance | 0.1MΩ–20GΩ | ±(5% +10 digits) |
| Test Voltages | 50V/100V/250V/500V/1000V | ±10% output accuracy |
| AC Voltage | 10V–600V | ±(1% +5 digits) |
| DC Voltage | 10V–600V | ±(0.8% +5 digits) |
| Frequency Range | 40Hz–70Hz | – |
| Short-Circuit Current | <1.8mA | – |
| Display | 2000 counts, backlit LCD | – |
📦 Package Includes
1x Insulation Resistance Tester
2x Test Leads (red/black)
2x Alligator Clips
1x Zipper Carry Pouch
1x User Manual (English)
Batteries included
🎯 Applications
Industrial Maintenance: Motors, generators, switchgear.
Electrical Contracting: Cable insulation testing, panel commissioning.
HVAC & Renewable Energy: Solar inverter checks, wind turbine maintenance.
Laboratory & Education: Electrical safety training and research.
