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Testing method for Haotian large alternating humidity and heat test room
Haotian large alternating humidity and heat test room testing method alternating humidity and heat chamber constant temperature and humidity test cham
Product details
Testing method for Haotian large alternating humidity and heat test room
The electrical control cabinet of the temperature aging laboratory is made of A3 board spray painted, and the overall design is basically made to match the chamber body, making its appearance more coordinated with the chamber body; The temperature control instrument adopts fully imported (Japanese RKC) high-precision digital display P I . D ＋S . S . R， The system coordinates with a microcomputer controlled instrument on the same channel, with high control accuracy and good stability, which can improve the stability and lifespan of control components and interfaces, effectively ensuring the temperature fluctuation range and test operation;
□ Control accuracy: ±0.1℃
□ Temperature sensor: Platinum resistor PT100Ω/MV
□ Touch sensitive settings, digital and direct display;
The automatic calculation function of P.I.D can reduce the inconvenience caused by manual setting;
During operation or setting, if an error occurs, a warning signal will be provided;
Zhenghang Instrument - Temperature Aging Laboratory Protection System:
□ Overall equipment overheating
□. Overall equipment phase loss/reverse phase
□. Overall equipment timing
□. Overall equipment overload
Other protections include leakage, operation indication, sound and light alarm, automatic shutdown after alarm, etc
Testing method for Haotian large alternating humidity and heat test room
Temperature aging laboratory protection system:
□ Overall equipment overheating
□. Overall equipment phase loss/reverse phase
□. Overall equipment timing
□. Overall equipment overload
Other protections include leakage, operation indication, sound and light alarm, automatic shutdown after alarm, etc
controller
Imported microcomputer temperature and humidity integrated controller (temperature directly displays percentage)
Accuracy range
Setting accuracy: temperature ± 0.1 ℃, humidity ± 0.1% RH
Temperature and humidity sensor
Platinum resistance? PT100Ω
heating system
Completely independent system, nickel chromium alloy electric heating heater
Humidification system
External isolation type, all stainless steel boiler type shallow surface evaporative humidifier
Dehumidification system
Adopting evaporator coil dew point temperature laminar contact humidifier
Water supply system
The humidification water supply adopts automatic control and can recycle residual water, saving water and reducing consumption
refrigeration system
Original "Taikang"/fully enclosed air-cooled double selection compression refrigeration method
circulatory system
Temperature resistant and low-noise air conditioning motor, multi blade centrifugal fan
Temperature upper limit: 100 ℃
Lower temperature limit:- 70℃
Temperature deviation: ± 2 ℃
Temperature fluctuation: ± 0.5 ℃
Humidity range: 30-98%R.H
Humidity error:+ 2/-3%R.H
Heating time: average 1 ℃/min
Cooling time: average 1 ℃/min
Cooling method: Water cooling
Controller: Chinese LCD touch screen temperature controller, PID control algorithm
User program capacity: 120 sets, 1200 segments
Safety protection measures: temperature upper limit control, compressor overpressure, compressor overload, heater short circuit
Power supply: 380V, 50Hz, Three phase four wire
texture of material: SUS#304
Function: Program controls temperature and humidity
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