Temperature and humidity self-recording device, as the name suggests, is a recorder that can record temperature and humidity at the same time. The recorder uses two sensors: temperature sensor and humidity sensor to monitor the environmental parameters, and finally achieve the purpose of timely tracking and measurement. The temperature and humidity self-recording instrument also has an extended function and can measure up to 32 indicators. At this time, it is only necessary to replace or configure a new sensor to perform measurement of other parameters such as a temperature illuminance monitor and a carbon dioxide monitor. The temperature illuminance monitor is used to monitor the temperature and illuminance. It contains a temperature sensor and a illuminance sensor. The carbon dioxide monitor contains a carbon dioxide sensor and is a scientific instrument that is used to determine the content of carbon dioxide in the air.
The temperature and humidity self-monitor is compact in appearance and can be directly held in the hand, brought to the field for measurement, touch buttons, large-screen dot-matrix LCD display, very easy to operate. The temperature and humidity self-recording device can be manually recorded or can be set off from the computer at any time to set the sampling interval, automatically record data, and the same type of recorder can only set or read data from the computer. The temperature and humidity self-recorder has three modes for selection, very convenient, namely: manual mode, automatic mode and computer lock mode. The manual mode is once for each key press, and the system records data once, that is, records the current data and various environmental parameters. Then, after a period of time, the data can be transmitted to the computer. The software will generate curve graphs based on the obtained data for further analysis. Automatic mode is a more common method of use, because the automatic mode is more suitable for the continuous interval measurement of an area of ​​environmental parameters, in automatic mode, you can set the interval time, and then the instrument will be set according to the interval you set Automatically record data. The advantage of doing so is to be able to study and compare the environmental parameters of the same site and at different times, which is conducive to mastering the overall changes in the environmental parameters of this site. The computer lock mode is intelligently set by the computer, and all the keys on the panel of the temperature and humidity self tester are invalid.
Several important parameters of the temperature and humidity self-recording instrument are as follows: recording, display temperature range: -40 °C ~ 120 °C; recording, display humidity range: 0 ~ 100% RH; precision: temperature ± 0.4 °C, humidity ± 3% RH; Resolution temperature 0.1 °C, humidity 1% RH; can record up to 30,000 groups of data, recording time interval can be set to any choice between 2 seconds -24 hours.

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