1. Introduction and Overview
The Metrel MI 3132 EV Tester is a portable, battery-powered electrical safety tester specifically designed for comprehensive testing of electric vehicles (EVs). This device complies with UN ECE R100 Annex 4A and 4B standards, ensuring reliable and accurate measurements for EV maintenance and diagnostics. Its ergonomic design and user-friendly interface, featuring a 4.3-inch color LCD touch screen, make it an essential tool for professionals in the automotive industry.
Key functionalities include 2 A micro-ohm measurement, 1500 V insulation testing, and online voltage monitoring, facilitating thorough electrical testing and diagnostics.
2. Safety Information
Always prioritize safety when operating the Metrel MI 3132 EV Tester. Failure to follow safety guidelines can result in serious injury or damage to the equipment.
- General Electrical Safety: Ensure all connections are secure before performing any tests. Do not operate the device in wet conditions or if it appears damaged.
- Overvoltage Category: The device is rated for Overvoltage Category 1000 V CAT III. Adhere to this rating to prevent electrical hazards.
- High Altitude Protection: The device is designed for use up to 4000 m altitude.
- Personal Protective Equipment (PPE): Always wear appropriate PPE, such as insulated gloves and safety glasses, when working with high voltages or in potentially hazardous environments.
- Battery Safety: Use only the specified rechargeable Li-Ion batteries and charger. Do not attempt to open or modify the battery pack.
- Environmental Conditions: Avoid exposing the device to extreme temperatures, direct sunlight, or corrosive substances.
3. Package Contents
The standard Metrel MI 3132 EV Tester package includes the following items:
- Metrel MI 3132 EV Tester unit
- Carrying bag (L)
- Carrying bag (XL)
- 4-wire test lead, 2 x 1.5 m
- 4-wire test lead, 2 x 3 m
- Test probe, black
- Test probe, red
- Test probe, green
- Test probe, brown
- Crocodile clip, black (2 pcs)
- Crocodile clip, red (2 pcs)
- Crocodile clip, green (2 pcs)
- Crocodile clip, brown (2 pcs)
- USB cable
- Power supply adapter 12 V, 3 A
- Li-Ion battery pack
- Calibration Certificate
- PC SW Metrel ES Manager software
Optional accessories are available separately to expand the functionality of your EV Tester. Refer to the 'Optional Accessories' section in the full technical documentation for details.
4. Setup and Installation
The Metrel MI 3132 EV Tester is designed for easy assembly and setup. Follow these steps to prepare your device for use:
- Unpacking: Carefully remove all components from the packaging and verify against the package contents list.
- Battery Installation and Charging: Insert the provided Li-Ion battery pack into the designated compartment. Connect the power supply adapter to the device and a suitable power outlet to fully charge the batteries before first use. The device features a built-in charger.
- Connecting Test Leads: Attach the appropriate test leads and Kelvin clamps for your specific measurement task. Ensure all connections are firm and correct.
- Power On: Press the power button to turn on the device. The 4.3-inch color LCD touch screen will display the main menu.
- PC Communication (Optional): For advanced data management and analysis, connect the device to a PC using the provided USB cable. Install the PC SW Metrel ES Manager software to facilitate measurement pre- and post-processing, result download, and report generation. The device also supports Bluetooth (BT) communication for wireless connectivity.
5. Operating Instructions
The MI 3132 EV Tester offers a user-friendly interface for various EV testing scenarios. Navigate through the menus using the touch screen or physical buttons.
5.1. Main Menu Navigation
From the main menu, you can access different functions:
- Single Tests: Perform individual measurements such as insulation resistance, micro-ohm, and DC resistance.
- Auto Sequences: Utilize programmable AUTO SEQUENCEs for automated test routines, streamlining complex testing procedures.
- Memory Organizer: Manage stored measurement results.
- General Settings: Configure device parameters, including user accounts for security, display settings, and communication options.
5.2. EV Measurements
The device is specifically designed for Electrical Vehicle Mode workspaces and EV measurements, including automatic R100 insulation measurement.
- Insulation Resistance Measurement: Perform insulation resistance measurements according to UN ECE R100 using the internal DC source. The device supports a wide range of insulation test voltages from 50 V to 1500 V, with a resistance measuring range up to 3 GΩ.
- Micro-Ohm Measurement: Conduct accurate four-wire measurements with Kelvin clamps, supporting up to 2 A measuring current. You can set the duration and current direction (unidirectional or bidirectional) for these measurements.
- DC Resistance Measurements: The device supports both single and automated DC resistance measurements.
- Online Voltage Monitoring: Monitor voltage levels in real-time during tests.
6. Maintenance
Proper maintenance ensures the longevity and accuracy of your Metrel MI 3132 EV Tester.
- Cleaning: Regularly clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure all ports and connectors are free from dust and debris.
- Battery Care: Keep the Li-Ion battery pack charged. If the device will not be used for an extended period, store it with a partial charge (around 50%) in a cool, dry place.
- Calibration: Regular calibration is crucial for maintaining measurement accuracy. Refer to the provided Calibration Certificate for recommended intervals and procedures. Contact authorized service centers for professional calibration.
- Storage: Store the device and its accessories in the provided carrying bags to protect them from physical damage and environmental factors.
7. Troubleshooting
This section provides basic troubleshooting steps for common issues. For more complex problems, refer to the full user manual or contact customer support.
- Device Not Powering On: Check if the battery is sufficiently charged. Ensure the battery pack is correctly installed. If using the power adapter, verify it is properly connected to a working power source.
- Inaccurate Readings: Ensure test leads are correctly connected and not damaged. Verify that the correct measurement function and settings are selected. Check for proper calibration.
- Communication Issues (USB/BT): Ensure the USB cable is securely connected to both the device and the PC. For Bluetooth, verify that the device's Bluetooth is enabled and properly paired with the PC. Reinstall the Metrel ES Manager software if necessary.
- Touch Screen Unresponsive: Try restarting the device. If the issue persists, contact support.
8. Specifications
Below are the technical specifications for the Metrel MI 3132 EV Tester:
| Feature | Description |
|---|---|
| Model Number | MI 3132 |
| Brand Name | Metrel |
| Workspaces | Electrical Vehicle Mode |
| EV Measurements | Automatic R100 insulation measurement |
| Display | 4.3'' color LCD with touch screen |
| High Precision Resolution | mOhm |
| Communication Port | USB, Bluetooth (BT) |
| Installation Method | Assembly |
| Origin | Mainland China |
| Overvoltage Category | 1000 V CAT III |
| High Altitude Protection Category | 4000 m |
| Security | User Accounts |
| Warranty | 1 Year |
Detailed Measurement Specifications
For detailed measurement ranges, resolutions, and accuracies, please refer to the technical specification sheets provided below. These images contain critical data for precise operation and understanding of the device's capabilities.
9. User Tips
Currently, there are no specific user tips available from reviews or Q&A. However, general best practices for electrical testers include:
- Always ensure the device firmware is up to date for optimal performance and new features.
- Familiarize yourself with the 'Auto Sequences' feature to save time on repetitive tests.
- Regularly back up your measurement data using the Metrel ES Manager software.
10. Warranty and Support
The Metrel MI 3132 EV Tester comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use conditions.
For technical support, service, or warranty claims, please contact your authorized Metrel distributor or the manufacturer directly. Ensure you have your purchase receipt and the device's serial number available.
Software Support: The PC SW Metrel ES Manager software is provided for measurement pre- and post-processing. This includes preparing test structures, downloading results, viewing data in tree, table, and graphical formats, and generating reports. Ensure you have the latest version of the software for full compatibility and features.
