Introduction of control system of high and low temperature tester
The controller of the high and low temperature tester adopts Chinese and English liquid crystal display LCD touch panel, and the screen talks to enter data. The temperature and humidity can be programmed at the same time. The backlight can be adjusted in 17 segments. Various alarms can be displayed separately. When a fault occurs, the fault can be displayed on the screen to eliminate the fault and eliminate misoperation. Multiple sets of PID control functions, precise monitoring functions, and displayed on the screen in the form of data.
1. Display: 320X240 dots, 30 lines X40 characters LCD color liquid crystal display screen
2. Accuracy: temperature ± 0.1 ℃ + 1digit, humidity ± 1% RH + 1digit
Three, resolution: temperature ± 0.1, humidity ± 0.1% RH
4. Temperature slope: 0.1 ～ 9.9 can be set
Five, temperature and humidity input signal: PT100Ω × 2 (dry ball and wet ball)
Sixth, temperature conversion output: -100 ~ 200 ℃ relative to 1 ~ 2V
7. Humidity conversion output: 0 ～ 100% RH relative to 0 ～ 1V
Eight, PID control output: temperature 1 group, humidity 1 group
9. Power supply: AC85V ～ 264V RS-485, RS-232 computer online function and online software
Ten, data memory preservation EEPROM (can be stored for more than 10 years)
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Rongxin New Material (Jiangsu) Co., Ltd. , https://www.rongxinxcljs.com