1. Introduction
The TOOLTOP ET11S Pro is a high-precision, two-in-one handheld instrument combining a thermal imaging camera with a True RMS multimeter. It is designed for electricians and maintenance technicians to quickly identify problems in various scenarios, including circuit board maintenance, power maintenance, distribution cabinet inspection, and underfloor heating water pipe inspection. This manual provides essential information for the safe and effective use of your device.
2. Safety Information
Please read and understand all safety warnings and operating instructions before using this instrument. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always use the device within its specified voltage and current limits.
- Do not use the device if it appears damaged or if the test leads are compromised.
- Ensure proper connection of test leads before taking measurements.
- Avoid contact with live circuits when replacing the battery or fuses.
- Use caution when working with high voltages.
- Keep the device dry and clean.
- Do not attempt to repair or modify the device yourself. Refer to qualified service personnel.
3. Package Contents
Verify that all items are present and undamaged upon unpacking:
- 1 x Thermal Camera Multimeter (ET11S Pro)
- 1 x USB Cable
- 1 x English Manual
- 1 x Storage Bag
- 1 x Multimeter probe (Universal probe)
4. Product Overview
The ET11S Pro features a 2.8-inch IPS LCD screen and intuitive button layout for both thermal imaging and multimeter functions.
4.1 Thermal Imaging Interface Buttons
- Press and hold for 3 seconds: Turn on the key.
- Short press: Switch the function of the multimeter.
- Long press: Set menu.
- Short press: Multifunctional.
- Long press: Dual light fusion ratio switching.
- Short press: Switch multimeter gear.
- Long press: Switch color palette.
- USB TYPE-C: Charging and data transfer port.
- Short press: Multimeter data retention.
- Long press: Screen capture/saving.
- Short press: Manual range.
- Long press: REL relative value.
- AC or DC Current measuring port: Input for current measurements.
- COM public measurement input port: Common input for measurements.
- VΩ-Hz measurement port: Input for voltage, resistance, diode, temperature, capacitance, frequency measurements.
4.2 Multimeter Interface Buttons
- Press and hold for 3 seconds: Turn on the key.
- Short press: Thermal imaging function switch.
- Long press: Set menu.
- Short press: Multifunctional.
- Short press: Switch multimeter gear.
- USB TYPE-C: Charging and data transfer port.
- Short press: Data retention.
- Long press: Save measurement waveform data.
- Short press: Manual range.
- Long press: REL relative value.
- AC or DC Current measuring port: Input for current measurements.
- COM public measurement input port: Common input for measurements.
- VΩ-Hz measurement port: Input for voltage, resistance, diode, temperature, capacitance, frequency measurements.
5. Setup
5.1 Battery Installation and Charging
The ET11S Pro comes with a built-in detachable 18650 lithium battery. Ensure the battery is properly installed before first use. Charge the device using the provided USB Type-C cable.
- Locate the battery compartment on the device.
- Insert the 18650 lithium battery, ensuring correct polarity.
- Close the battery compartment securely.
- Connect the USB Type-C cable to the device and a suitable USB power source for charging.
- A full charge provides approximately 8 hours of continuous operation.
5.2 Initial Power On
Press and hold the power button (usually the top-left button on the device) for 3 seconds to turn on the device. The device will boot into its default mode.
6. Operating Instructions
6.1 Multimeter Function
The multimeter offers a wide range of measurement functions, including AC/DC voltage, AC/DC current, resistance, capacitance, diode, buzzer, and duty cycle. It features a 19999 count True RMS display.
- Connecting Probes: Insert the universal probes into the appropriate input ports (COM and VΩ-Hz or AC/DC Current).
- Selecting Measurement Mode: Use the 'Short press: Switch multimeter gear' button to cycle through different measurement functions (e.g., V, A, Ω, F, Hz).
- Automatic Range: The multimeter defaults to automatic range measurement. For manual range, short press the 'Manual range' button.
- Data Hold: Short press the 'Data retention' button to hold the current reading on the display.
- LIVE Mode (Frontline Live Identification): In multimeter mode, switch to LIVE mode to distinguish between neutral and live wires. This function provides sensitive sensing with an interface prompt accompanied by a buzzing sound to help identify live wires and avoid electric shock.
6.2 Thermal Imaging Function
The thermal imaging camera features a 32x32 infrared resolution and a 240x240 visible light resolution, with a temperature range of -20°C to +550°C.
- Switching to Thermal Imaging: In multimeter mode, short press the 'Thermal imaging function switch' button to activate the thermal camera.
- Temperature Tracking: The device automatically tracks the highest temperature point, lowest temperature point, and a center point.
- Over-temperature Alarm: An alarm will activate if the measured temperature exceeds a set threshold.
- Color Palettes: Long press the 'Switch color palette' button to choose from 5 color palette modes: Iron Red, Rainbow, Fusion, White Heat, and Red Heat.
- Dual Light Fusion: The device supports dual light fusion, combining visible light and infrared images for enhanced detail. Long press the 'Dual light fusion ratio switching' button to adjust the fusion ratio.
6.3 Data Transfer and Analysis
The ET11S Pro supports PC software for USB transfer and analysis of thermal images and measurement data.
- Connect the device to a computer using the provided USB Type-C cable.
- The device will enter USB mode, allowing for quick viewing of stored images and data reproduction.
- Refer to the PC software manual (if provided separately) for detailed instructions on data analysis.
7. Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: Store the device in its provided storage bag in a cool, dry place when not in use.
- Battery Care: For long-term storage, charge the battery to approximately 50% and recharge every few months to maintain battery health.
- Calibration: Regular calibration by qualified personnel is recommended to ensure accuracy, especially for professional use.
8. Troubleshooting
If you encounter issues with your TOOLTOP ET11S Pro, please refer to the following common troubleshooting steps:
- Device not powering on: Ensure the battery is charged and correctly installed. Try charging the device for at least 30 minutes.
- Inaccurate readings: Check that the test leads are properly connected and undamaged. Ensure the correct measurement mode is selected. For thermal imaging, verify the emissivity setting is appropriate for the target material.
- Display issues: If the screen is unresponsive or shows abnormal patterns, try restarting the device.
- Connectivity problems (USB): Ensure the USB cable is securely connected to both the device and the computer. Try a different USB port or cable.
If the problem persists, contact customer support for further assistance.
9. Specifications
| Parameter Category | Specification |
|---|---|
| General | |
| Brand Name | easyover (TOOLTOP) |
| Model | ET11S Pro |
| Style | Handheld |
| Display Size | 2.8 Inches (IPS LCD) |
| Power Type | Charger (USB Type-C) |
| Battery Included | Yes (Detachable 18650 Lithium Battery) |
| Is Smart Device | No |
| Certification | CE, RoHS |
| Thermal Imaging Parameters | |
| Infrared Resolution | 32x32 pixels |
| Thermal Imaging Display Resolution | 240x240 pixels |
| Field of View (FOV) | 33°(H) x 33°(V) |
| Emissivity | 0.1~1.00 adjustable (0.95 by default) |
| Infrared Wavelength Range | 8~14um |
| Temperature Range | -20℃~+550℃ |
| Temperature Measurement Error | ±2℃ or ±2% |
| Measurement Resolution | 0.1℃/0.1℉ |
| Measuring Distance | 0.3m~2m |
| Visible Light Output Pixels | 240x240 pixels |
| Gain Mode | Auto Gain |
| Color Palette | Iron Red, Rainbow, Fusion, White Heat, Red Heat |
| Multimeter Parameters | |
| DC Maximum Input Voltage | 1000V |
| AC Maximum Input Voltage | 750V |
| Maximum Current Measurement | 10A |
| Maximum Resistance | 99.99MΩ |
| Maximum Capacitance | 199.99mF |
| Duty Cycle Test Range | 0.1% ~ 99.9% |
| Diode Test Range | 0V ~ 3V |
| Continuity Test | 199.99Ω |
| Display Word Count | 19999 counts, Updates 3/sec |
10. User Tips
Based on general user feedback for similar devices, here are some tips for optimal use:
- Emissivity Adjustment: For accurate temperature readings, ensure the emissivity setting matches the material being measured. Common materials have different emissivity values.
- Focus on Hot Spots: When using thermal imaging, scan the area broadly first, then focus on any identified hot or cold spots for more detailed analysis.
- Regular Charging: To prolong battery life, avoid completely draining the battery frequently. Charge it regularly, especially after heavy use.
- Software Updates: Check the manufacturer's website periodically for any available firmware or PC software updates to ensure optimal performance and new features.
11. Warranty and Support
Your TOOLTOP ET11S Pro Thermal Imaging Multimeter is covered by a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact the seller or manufacturer directly.
Note: Unauthorized repairs or modifications may void your warranty.