Intelligent temperature and humidity data acquisition logger
Product Features
Independent channel synchronous acquisition
Flexible channel configuration
High precision thermocouple cold junction
Meet the AMS2750E specification
Wireless LAN
Large capacity storage
Model Selection
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Description
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Introduction
DTZ-300BWG Intelligent temperature and humidity data acquisition logger is a multi-function inspection unit with 24 units of 24-bit high-precision sampling channels, each channel can be independently configured, supporting four input modes, thermocouple, platinum resistance, humidity sensor and analog quantity; when configured as humidity sensor mode, the instrument can simultaneously provide up to 24 units 5V power output for the sensor power.
The product can be connected to the PC terminal or mobile terminal by the wired or wireless way and is suitable for the temperature field, humidity field, uniformity and volatility test of various temperature (humidity) environment experimental equipment, industrial furnace and verification furnace.
Function
- 24 units 24-bit high-precision sampling channels.
- 24 units channel can be independently configured as thermocouple, platinum resistance, humidity sensor and analog input mode.
- Each channel provides an independent built-in cold-end temperature sensor, and the temperature measurement accuracy is better than 0.1℃.
- Each channel independent sampling, modular design, effectively improve the reliability and adaptability of the instrument
- Support the editing and configuration of sensor-related parameters such as sensor type and range.
- Support the editing and configuration of sampling-related parameters such as sampling time and sampling interval.
- 24 channels can be independently calibrated and corrected for single point, piecewise linear or least squares.
- Support voltage, resistance, temperature, humidity and other data formats display, storage and output.
- Provide encryption algorithm support, can encrypt data files, effectively improve security.
- Support for RS232, wired network and wireless network multiple communication modes, can be connected to the PC terminal or mobile terminal.
- Provide 24-road 5V power supply externally, convenient for the use of humidity sensor connection.
- Provide 8G large capacity internal storage space for data storage, data can be exported through the USB port
- Seven-inch industrial-grade color touch-screen display.
Feature
1. Independent channel synchronous acquisition
Each channel of DTZ-300BW adopts an independent high-precision AD chip, and no channel switching is required during the measurement process, which effectively eliminates the measurement error introduced in the channel switching process. Synchronous data acquisition at the second speed greatly improves the time synchronization between the measured values of each channel on the premise of ensuring measurement accuracy.
2. Flexible channel configuration
Each channel of DTZ-300BW supports four input modes: thermocouple, thermal resistance, humidity sensor and (0~1)V analog. Each channel can be understood as a universal channel, and only a simple configuration of the channel is required. You can flexibly switch between different input modes, and the channel configuration can be stored as a configuration file, which is convenient for subsequent recall and modification.
3. High-precision thermocouple cold junction
Each channel of DTZ-300BW uses an independent high-precision digital temperature sensor as the cold junction compensation sensor. The distance between the cold junction temperature measurement point and the thermocouple wiring point is less than 20mm. At the same time, combined with a good temperature average design, it can be used for each thermocouple measurement channel. Provides reference compensation with an accuracy better than 0.15°C.
4. Meet the AMS2750F specification
The AMS2750F specification puts forward high measurement requirements for the accuracy of inspection equipment. Through the optimized design of the analog input channel and the temperature measurement of the reference terminal, the thermocouple measurement accuracy and the difference between the channels of the DTZ-300BW series inspection instrument have been effectively improved, which can meet the stringent requirements of the AMS2750F specification for electrical measuring instruments.
5. Statistical data analysis
Each channel of DTZ-300BW has independent curve display and data analysis functions, and users can view the statistical data such as the maximum value, minimum value, and volatility of the measurement data in real-time. After starting the measurement, the measurement data is automatically saved to the file, and the user can browse and analyze the historical data at any time.
6. Data encryption
It can provide encryption algorithm support, encrypt data files, and meet the special requirements for data security in special industries such as national defense and military industries.
7. Wireless LAN
The DTZ-300BW series inspection instrument can be connected to a tablet or laptop through a 2.4G wireless network, and multiple inspection instruments can be used at the same time for temperature field testing, which effectively improves work efficiency.
8. Large-capacity storage
The DTZ-300BW series data logger has a built-in 8g large-capacity memory, and also supports the U disk storage function, which can easily import the input into the U disk. In stand-alone operation, the inspection data can be stored in the built-in memory, and the stored data can be browsed or processed by general tool software such as Excel, or imported into special software for data analysis, report generation and certificate output. Large-capacity memory solves the problem of data security and non-volatility and enhances the reliability of data.
9. Rich and friendly human-computer interaction functions
The DTZ-300BW series data logger adopts a 7-inch touchscreen design and provides a rich and friendly human-computer interaction interface. The operation interface covers: channel settings, inspection settings, sensor settings, data curve display, channel correction, channel calibration, file operation, System settings, etc., and can independently complete the data acquisition work on the test site without any other peripherals.
10. Reliable structural design
DTZ-300BW adopts a sturdy integrated design, in addition to the necessary USB interface and network interface, the overall structure is effectively sealed, and it can work for a long time in a high-humidity environment.
Technical Parameters
Channel Configuration
| Model | DTZ-300BW-12 | DTZ-300BW-16 | DTZ-300BW-20 | DTZ-300BW-24 | DTZ-300BW-XX |
|---|---|---|---|---|---|
| Channel number | 12 | 16 | 20 | 24 | Customize |
| Channel characteristics | Multifunction channel | ||||
| Channel function | ThermocoupleThermal resistanceHumidity SensorOther types of voltage output sensors | ||||
Channel technical indicators
| Range | Measuring range | Resolution | Accuracy |
|---|---|---|---|
| 100mV | -10mV to 100mV | 0.1uV | 0.01%+0.008% |
| 1V | 0 to 1V | 0.1mV | 0.02%+0.02% |
| 400Ω | 0Ω to 400Ω | 0.1mΩ | 0.004%+0.004% |
Technical index of temperature and humidity
| Range | Measuring range | Accuracy | Resolution | Sampling mode | Sampling speed | Data type | Remark |
|---|---|---|---|---|---|---|---|
| PT100 | -200℃ to 950℃ | 0℃时 ±0.05℃ | 0.001℃ |
24 channels Simultaneous sampling Can be ensured Data completely Real-time synchronization |
0.2秒/24passage |
Configurable Resistance value Temperature value |
1mA Excitation current source |
| 300℃时 ±0.08℃ | |||||||
| 600℃时 ±0.12℃ | |||||||
| K | -200℃ to 1300℃ | ±0.5℃ | 0.01℃ |
Configurable Voltage value Temperature value |
accord with ITS-90 temperature scale |
||
| J | -200℃ to 900℃ | ±0.5℃ | |||||
| T | -200℃ to 400℃ | ±0.5℃ | |||||
| E | -200℃ to 1000℃ | ±0.5℃ | |||||
| N | -200℃ to 1300℃ | ±0.5℃ | |||||
| B | 250℃ to 1820℃ | 1000℃时 ±0.8℃ | |||||
| R | 0℃ to 1768℃ | 1000℃时 ±0.7℃ | |||||
| S | 0℃ to 1768℃ | 1000℃时 ±0.9℃ | |||||
| Humidity | 0%Rh to 100%Rh | ±0.1%Rh | 0.01%Rh |
Configurable Voltage value relative humidity |
5V Power supply output |
General technical indicators
| Power requirement | 12VDC 2A | |
|---|---|---|
| Communication interface | RS232, LAN, Wireless | |
| Shell material | alufer +ABS | |
| Appearance size | 230mm×140mm×100mm | |
| Instruments weight | 2kg | |
| Environment | Use | （5 to 35）℃ （0 to 85）%rh |
| Store | （0 to 70）℃ （0 to 100）%rh | |
Accessories
| No | Accessory name |
|---|---|
| 1 | 2-channel multi-function acquisition module |
| 2 | 4G module |
| 3 | Encryption module |
| 4 | Pt100 (AA、A） |
| 5 | Thermocouple(S、R、B、K、N、 J、 E、T) |
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