1. Introduction
The ZOYI ZT-R02 is an advanced two-in-one device combining a high-precision digital multimeter with a thermal imaging camera. Designed for professionals in industrial maintenance, electrical testing, and diagnostic applications, it offers comprehensive fault detection and troubleshooting capabilities. This manual provides detailed instructions for the safe and effective use of your ZT-R02.
2. Safety Information
WARNING: Read all safety warnings and instructions before using this product. Failure to follow the warnings and instructions may result in electric shock, fire, or serious injury.
- Always use the correct function, range, and input terminals for measurements.
- Do not apply more than the rated voltage, as marked on the meter, between terminals or between any terminal and earth ground.
- Exercise extreme caution when working with live electrical circuits.
- Do not use the meter if it appears damaged or if the insulation on the test leads is compromised.
- Ensure the battery compartment is securely closed before operation.
- Do not operate the meter in explosive gas, vapor, or dust environments.
- Always disconnect power to the circuit and discharge all high-voltage capacitors before performing resistance, continuity, diode, or capacitance measurements.
3. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact your vendor.
- ZOYI ZT-R02 Thermal Imaging Multimeter
- Test Leads (Red and Black)
- USB Type-C Charging Cable
- Carrying Case
- User Manual
4. Product Overview
The ZT-R02 features a clear 2.4-inch TFT color screen and intuitive button layout for ease of use. Below is a diagram detailing the main components and their functions.
4.1. Panel Components and Functions
- Flashlight: Provides illumination for dark areas.
- Infrared Lens: Captures thermal images.
- Display Screen: 2.4-inch TFT color screen (240x240 resolution) for displaying measurements and thermal images.
- Power Button (DCA/ACA >2S POWER): Long press to power on/off. Short press to switch current measurement range in multimeter mode.
- IR/DMM Switch: Long press to switch between Thermal Imaging and Multimeter modes. Short press to adjust thermal imaging brightness in settings menu, or increase/select up.
- HOLD / >2S REL: Short press to enter or exit data hold. Long press to enter or exit relative measurement mode.
- SAVE: Long press to save current data screenshot. Short press to turn waveform display on or off.
- MENU OK *: Short press to enter the settings menu. In the menu, short press to confirm values. During measurement, long press to turn flashlight on/off.
- Input Port for Current Measurement (≤10A): For measuring currents up to 10 Amperes.
- Input Port for Current Measurement (≤250mA): For measuring currents up to 250 milliamperes.
- COM (Return) Port: Common return port for all measurements.
- Input Ports for Other Measurements (VΩHz): For AC/DC Voltage, Resistance, Capacitance, Frequency, Continuity, and Diode measurements.
5. Setup
5.1. Charging the Battery
The ZT-R02 is equipped with a built-in 2000mAh lithium battery. Before initial use, ensure the device is fully charged.
- Locate the Type-C charging port on the side of the device.
- Connect the provided USB Type-C cable to the device and a suitable USB power adapter (5V).
- The battery indicator on the display will show charging status.
- Charge until the battery indicator shows full.
5.2. Initial Power On
Long press the POWER button (DCA/ACA >2S POWER) for approximately 2 seconds to turn on the device.
6. Operating Instructions
6.1. Switching Between Thermal Imaging and Multimeter Modes
The ZT-R02 integrates both thermal imaging and multimeter functionalities. To switch between these modes:
- Long press the IR/DMM button to toggle between the thermal imaging display and the digital multimeter display.
6.2. Thermal Imaging Mode
In thermal imaging mode, the device displays a thermal map of the environment, highlighting temperature variations.
- Pseudo-Color Modes: The ZT-R02 offers 8 pseudo-color modes (White Hot, Black Hot, Blue, Iron Red, Color, Red Hot, Fusion, Rainbow) to visualize temperature differences. These can be selected via the settings menu.
- Hot and Cold Tracking: The device automatically tracks and displays the center, maximum, and minimum temperature points on the screen, aiding in quick fault identification.
- Adjustable Emissivity: Emissivity can be adjusted from 0.01 to 1.00 to accurately measure different materials. Refer to the common emissivity values table for guidance.
- Applications: The thermal imaging function is suitable for automotive maintenance, circuit board inspection, electrical power testing, factory inspection, and underfloor heating leak detection.
6.3. Multimeter Mode
In multimeter mode, the ZT-R02 functions as a high-precision 25,000-count digital multimeter, capable of measuring various electrical parameters.
- Measurements: Measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Diode, and Continuity.
- Range Selection: The device features auto-ranging, but manual range selection may be available for specific functions by short pressing the POWER button.
- Connecting Test Leads: Insert the red test lead into the appropriate input terminal (e.g., VΩHz for voltage/resistance, 10A for high current, 250mA for low current) and the black test lead into the COM terminal.
6.4. Data Storage and Export
The ZT-R02 allows for easy data storage and export for further analysis.
- Screenshot: Long press the SAVE button to take a screenshot of the current display.
- Data Export: Connect the device to a computer using the USB Type-C cable to view and export stored data.
6.5. Language Switch
The device supports multiple languages, including Chinese and English.
- Navigate to the settings menu (short press MENU OK) and select the 'Language' option to switch between available languages.
6.6. Underfloor Heating Pipe Leak Detection
The thermal imaging function is particularly useful for detecting leaks in underfloor heating systems.
Follow these four steps for effective leak testing:
- Pressurize each circuit of the underfloor heating system.
- Use thermal imaging to locate the leaking circuit or inject hot water into the system.
- Check the underfloor heating condition after fifteen minutes.
- Use thermal imaging along the circuit to find abnormal points or leak points.
7. Maintenance
- Cleaning: Wipe the device with a dry, soft cloth. Do not use abrasives or solvents.
- Battery Care: Recharge the battery regularly, even if not in use, to maintain its lifespan. Avoid fully discharging the battery for extended periods.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Firmware Upgrade: The device supports firmware upgrades. Check the manufacturer's website for the latest updates and instructions.
8. Troubleshooting
If you encounter issues with your ZOYI ZT-R02, try the following basic troubleshooting steps:
- Device does not power on: Ensure the battery is charged. Connect to a power source and try again.
- Inaccurate readings: Check test lead connections. Ensure the correct measurement function and range are selected. Verify emissivity settings in thermal imaging mode.
- Display issues: If the screen is unresponsive or frozen, try restarting the device by long pressing the power button.
- Cannot save data: Ensure there is sufficient internal storage. Try connecting to a computer to manage existing data.
For persistent issues, please contact customer support.
9. Specifications
9.1. Thermal Imaging Parameters
| Functional Features | Description |
|---|---|
| Sensor Type | Vanadium Oxide (VOx) Microbolometer |
| Infrared Resolution | 96*96 |
| Imaging Resolution | 240*240 |
| Infrared Band | 8~14um (Wavelength) |
| Emissivity | 0.01~1.00 Adjustable |
| Frame Rate | 25fps |
| Field of View (FOV) | 50.0°(H)×50°(V) / 72.1°(D) |
| Thermal Imaging Lens Focal Length | 1.35 mm |
| Effective Measurement Distance | 0.3~50 m Adjustable |
| Temperature Range | -20 °C~+150°C and 100 °C~550 °C |
| Temperature Accuracy | ±2 °C or ±2% of Reading (Whichever is Greater) |
| High/Low Temperature Values | Automatic Measurement Capture |
9.2. Multimeter Parameters
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage | 2.5000V/ 25.000V/250.00V/1000.0V | ±(0.05%+3) |
| 25.000mV/250.00mV | ±(0.5%+3) | |
| AC Voltage | 2.5000V/25.000V/250.00V/750.0V | ±(0.5%+3) |
| 25.000mV/250.00mV | ±(0.8%+3) | |
| DC Current | 2.5000A/10.000A | ±(0.5%+3) |
| 25.000mA/250.00mA | ±(0.5%+3) | |
| AC Current | 2.5000A/10.000A | ±(0.8%+3) |
| 25.000mA/250.00mA | ±(0.8%+3) | |
| Resistance | 250.0Ω | ±(0.5%+3) |
| 2.5000kΩ/25.000kΩ/250.00kΩ | ±(0.2%+3) | |
| 2.5000MΩ/25.00MΩ | ±(1%+3) | |
| 250.0MΩ | ±(5.0%+5) | |
| Capacitance | 9.999nF | ±(5.0%+20) |
| 99.99nF/999.9nF/9.999μF/99.99μF/999.9μF | ±(2.0%+5) | |
| 9.999mF/99.99mF | ±(5.0%+5) | |
| Frequency | 9.999Hz | ±(2.0%+2) |
| 99.99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz | ±(0.1%+2) | |
| Continuity | √ | |
| Diode | √ |
9.3. General Specifications
| Feature | Description |
|---|---|
| Display | 2.4-inch TFT |
| Display Resolution | 320*240 |
| Imaging Mode | Infrared |
| Color Palette | White Hot, Black Hot, Blue, Iron Red, Color, Red Hot, Fusion, Rainbow |
| Contrast & Brightness | Adjustable |
| Image Format | bmp |
| Screenshot Viewing | Supported |
| USB Interface | Type-C |
| Firmware Upgrade | Supported |
| Power Supply | 3.6V-4.2V Lithium Battery |
| Charging | USB Interface 5V |
| Dimensions | 149*76*33.5mm |
| Battery Type | 2000mAh Lithium Battery ×1 |
10. User Tips
- For best thermal imaging results, ensure the target surface is clean and free of obstructions.
- When measuring temperature, consider the emissivity of the material for accurate readings. Adjust the emissivity setting accordingly.
- Utilize the hot and cold tracking feature to quickly identify temperature anomalies in complex systems.
- Regularly back up your saved thermal images and measurement data to a computer to prevent loss.
- Keep the infrared lens clean and free from dust or smudges for clear thermal images.
11. Warranty and Support
The ZOYI ZT-R02 Thermal Imaging Multimeter is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your product for specific terms and conditions.
For technical support, service, or warranty claims, please contact your point of purchase or the official ZOYI customer service channels. Keep your purchase receipt as proof of purchase.
