1. Product Overview
The Hantek HTM200 series multi-channel temperature detector is a high-performance, handheld instrument designed for real-time collection of multi-channel temperature data. Powered by a 32-bit ARM microprocessor, it offers stable and accurate measurements, supporting 11 types of thermocouples. This device is ideal for various industrial applications, including cold storage, warehouse temperature monitoring, and electronic component surface measurements.
Key features include a 320x240 TFT high-definition display, support for list and bar graph data visualization, upper and lower limit alarms, and robust data storage options. The device ensures safety with isolated digital and analog signals, allowing for live testing.
Video: Hantek 8-channel Temperature Data Logger Product Overview
Highlights:
- Accurate Data Acquisition
- Safe and Efficient Operation
- Advanced Alarm Control
- 320x240 TFT High-Definition Display
- Type-C Charging for convenience
- Supports 11 types of Thermocouples (J/K/T/E/S/N/B/R/A/C/D)
- U-disk storage (standard) and optional Micro SD card support
- Windows and Android data acquisition software compatibility
- Optional Bluetooth and 4G communication for remote data collection
Image: Key features of the Hantek Temperature Data Logger.
Image: Emphasizing accurate data, safe operation, and alarm control.
2. Setup and Installation
2.1 Package Contents
Before starting, please verify that all items are present in your package:
Image: Contents of the Hantek Temperature Data Logger package.
- Hantek Multi-channel Temperature Data Logger (HTM208B or HTM208C)
- Carrying Case
- Thermocouples (typically two are included)
- Power Adapter
- USB Type-C Cable
2.2 Battery Installation and Charging
The device uses two 3.7V 18650 standard lithium batteries (batteries may not be included in all packages). Ensure batteries are correctly inserted according to polarity markings.
To charge the device, connect the provided USB Type-C cable to the device's Type-C port and the other end to the power adapter. Plug the adapter into a suitable power outlet. The device supports Type-C charging.
Image: Device supporting Type-C charging and indicating alarm function.
2.3 Connecting Thermocouples
The data logger features 8 channels for thermocouple input, utilizing E0308 Tube Terminal Blocks. Carefully connect your thermocouples to the corresponding channels (1-8) on the bottom of the device. Ensure a secure connection for accurate readings.
The device supports 11 types of thermocouples: J, K, T, E, S, N, B, R, A, C, D.
Image: Front view of the data logger with thermocouple input terminals.
Image: Device indicating support for 11 thermocouple types.
2.4 Software Installation
The device is equipped with Windows and Android data acquisition terminals. Install the appropriate software on your computer or Android device to enable multi-platform data acquisition and monitoring. Connect the data logger to your computer via the USB Type-C cable for wired communication, or use optional Bluetooth/4G modules for wireless connectivity.
Image: Multi-platform connectivity for data acquisition.
3. Operation
3.1 Power On/Off
Press the Power button (usually located on the side or front panel) to turn the device on or off. Allow for a preheat time of approximately 30 minutes for optimal accuracy.
3.2 Navigation and Display Modes
Use the directional arrow keys and the Enter button to navigate through the menu options on the 2.8-inch TFT LCD display. The device supports two main display modes:
- List Display: Shows real-time temperature readings for all 8 channels in a numerical list format.
- Bar Graph Display: Visualizes temperature changes across channels using a bar graph.
Toggle between these display modes using the List and Bar buttons on the front panel.
3.3 Data Logging and Storage
The device comes standard with U disk storage for saving measurement data in real-time. An optional Micro SD card can also be used for additional storage. Data can be easily exported for further analysis and printing.
To save data, press the Save button. The device saves the settings from the last shutdown by default, ensuring continuity for ongoing measurements.
3.4 Alarm Settings
The data logger supports upper and lower limit alarms. You can configure these limits through the device's menu. If the measured temperature exceeds the upper limit or falls below the lower limit, the built-in buzzer will sound continuously to alert you.
The temperature overload alarm function is enabled by default.
3.5 Channel Correction
Each channel can be individually corrected to ensure precise temperature readings. Refer to the device's utility menu for calibration and correction options.
3.6 Communication with External Devices
The device supports standard USB Type-C communication for connecting to computers. For wireless data acquisition, optional Bluetooth and 4G communication modules are available (check your specific model for these features). The provided Windows and Android software allows for real-time data monitoring and acquisition on multiple platforms.
Image: Real-time data acquisition and display using the software.
4. Maintenance
4.1 Cleaning
To clean the device, use a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild detergent can be used, ensuring no liquid enters the device openings. Do not use abrasive cleaners or solvents.
4.2 Battery Care
To prolong battery life, avoid fully discharging the batteries frequently. Recharge the device regularly, especially if it will be stored for an extended period. If the device is not used for a long time, it is recommended to remove the batteries.
4.3 Storage
Store the data logger in a cool, dry place, away from direct sunlight and extreme temperatures. The recommended storage environment is -10°C to 60°C with humidity below 90% RH. Use the provided carrying case for protection during storage and transport.
5. Troubleshooting
- Device does not power on:
- Check battery charge level. Connect to charger and try again.
- Ensure batteries are correctly inserted.
- Inaccurate temperature readings:
- Verify thermocouple connections are secure and correct.
- Ensure the correct thermocouple type is selected in the device settings.
- Allow the device to preheat for at least 30 minutes.
- Perform channel correction if necessary.
- Alarm sounding continuously:
- Check the current temperature readings against the set upper and lower alarm limits.
- Adjust alarm limits if they are too sensitive for your application.
- Data not saving to U disk/SD card:
- Ensure the U disk or Micro SD card is properly inserted.
- Check if the storage device has sufficient free space.
- Verify the storage device is formatted correctly (FAT32 is common).
- Cannot connect to computer/mobile device:
- For USB connection, ensure the Type-C cable is securely connected and drivers are installed.
- For Bluetooth/4G (if applicable), ensure the module is installed and enabled, and the pairing process is followed correctly.
- Verify the correct software is installed on your computer/mobile device.
6. Specifications
Image: Comprehensive specifications table for HTM208B and HTM208C.
| Feature | HTM208B | HTM208C |
|---|---|---|
| Model | HTM208B | HTM208C |
| Channel | 8 | 8 |
| U disk | Yes | Yes |
| Bluetooth | Without | Yes |
| SD card | Without | Yes |
| 4G (domestic) | Without | Without |
| 4G (Universal Version) | Without | Without |
| Parameters | ||
| Graduation number | 11 kinds of thermocouples: J/K/T/E/S/N/B/R/A/C/D type | |
| Basic accuracy | Type K thermocouple: -200°C to 0°C error is ±1.2°C; The error from 0°C to 1370°C is ±0.8°C (excluding thermocouple error) | |
| Temperature measurement range | Type K thermocouple: -200°C to 1370°C | |
| Resolution | 0.1°C | |
| Correction | Each channel can be corrected | |
| Alarm | Support upper and lower limit alarms | |
| Display | Support list display and bar graph display | |
| Cold Junction Compensation | Accuracy: 0.5°C | |
| Software support | Android and Windows data acquisition software | |
| Storage | Support U disk (standard) and Micro SD card (optional) to save in real time | |
| Communication Interface | USB-Type C communication (standard), Bluetooth and 4G communication (optional) | |
| Maximum withstand voltage between channels | 300V DC | |
| Channel maximum input voltage | ±75V DC | |
| Plug-in terminal type | E0308 Tube Terminal Blocks | |
| Display Type | 2.8 inch TFT LCD display | |
| Other Features | USB communication, compatible with SCPI instruction set, Support Chinese and English, Backlight brightness adjustment, Shutdown time settings | |
| General Characteristics | ||
| Operating environment | 0-40°C, <80%RH | |
| Storage environment | -10-60°C, <90%RH | |
| Preheat time | >30 minutes | |
| Power Requirements | Input: 100VAC ~ 240VAC, 50Hz/60Hz; Output: 5V/2A DC | |
| Battery parameters | Two 3.7V 18650 lithium batteries (Excluding batteries) | |
| Working hours | >15 hours | |
| Working power consumption | 1W | |
| Size | 200mm*98mm*40mm | |
| Weight | 600g | |
Image: Physical dimensions of the device.
7. User Tips
- Channel Capacity: This device is an 8-channel temperature data logger. If you require more channels (e.g., 10 or 12), please ensure you are purchasing a different model designed for that capacity.
- Persistent Settings: The device automatically saves your settings from the last shutdown. This is a convenient feature for engineers who need to resume measurements quickly without reconfiguring.
- Alarm Awareness: Pay attention to the continuous buzzer sound, as it indicates that a measured temperature has exceeded or fallen below the set alarm limits. This is a critical safety and monitoring feature.
- Data Export: Utilize the U disk or optional Micro SD card for easy data storage and export. This facilitates detailed analysis and record-keeping.
8. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt and product serial number handy when contacting support.
