Digital Megohmmeter High Accuracy IP67 Protection Insulation Resistance Tester
Product Overview
Professional digital megohmmeter designed for high-accuracy insulation resistance testing of transformers, motors, and cables. Features IP67 protection rating for reliable operation in demanding industrial environments.
Key Functions
- Insulation resistance testing
- Voltage testing (AC/DC)
- DC current measurement
- Capacitance testing
- Absorption ratio and polarization index measurement
Technical Specifications
Model Comparison
| Model |
Rated Voltage |
Insulation Resistance Range |
Resolution |
| ES3045 |
100V, 250V, 500V, 1000V, 2500V, 5000V |
0.01MΩ - 10TΩ |
0.01MΩ |
| ES3045E |
250V, 500V, 1000V, 2500V, 5000V, 10KV |
0.01MΩ - 35TΩ |
0.01MΩ |
| ES3045F |
500V, 1000V, 2500V, 5000V, 10KV, 15KV |
0.01MΩ - 50TΩ |
0.01MΩ |
Measurement Capabilities
Test Voltage: Rated voltage * (1±10%)
DC Voltage Range: 0-1000V (Resolution: 0.1V)
AC Voltage Range: 0-750V (Resolution: 0.1V)
DC Current: 0.1nA-6mA (Resolution: 0.1nA)
Capacitance: 10nF-50μF (Resolution: 10nF)
Output Short-circuit Current: ≥6mA @ 15KV
Display & Interface
Display: 4-bit large LCD with gray screen backlight
LCD Size: 108mm * 65mm
Backlight: Controllable gray screen, suitable for dim environments
USB Interface: Software monitoring, data upload to computer
Data Storage: 500 groups with "FULL" indicator
Data Review: "MR" symbol display for data review function
Power & Physical Specifications
Power Supply: 12.6V rechargeable battery
Power Consumption: Standby: 30mA max, Measurement: 200mA max
Automatic Shutdown: 15 minutes after boot
Instrument Size: 240mm * 188mm * 85mm
Instrument Weight: 2750g (including battery)
Environmental & Safety Specifications
Working Conditions: -10℃ to +50℃, <85% RH
Storage Conditions: -15℃ to +55℃, <90% RH
Insulation Resistance: ≥50MΩ (between measuring line and housing)
Pressure Resistance: AC 3kV/50Hz for 1 minute
Safety Standards: IEC61010-1, IEC1010-2-31, IEC61557-1,5, IEC60529 (IP54)
Included Accessories
- USB communication cable (1 piece)
- High voltage probe red (3 meters)
- High voltage test line black (1.5 meters)
- High voltage test line green (1.5 meters)
Product Images
