This test chamber is used for cold, heat, humidity and dryness testing of raw materials and devices such as electronics, electricians, electrical appliances, plastics, etc. The purpose is to confirm the products reliability of storage and transportation under high and low temperature alternating heat and humidity.

It conforms to standards:

IEC60068-2-1:2007 “Environmental Testing-Part 2-1: Tests-Test A: Cold, IDT”

IEC60068-2-2:2007 “Environmental Testing-Part 2-1: Tests- Test B-Dry heat, IDT”

IEC60068-2-78:2012 “Environmental Testing-Part 2-78: Tests-Test Cab: Damp heat, steady state, IDT”

IEC60068-2-30:2005 “Environmental Testing-Part 2-30: Tests-Test Db: Damp heat, cyclic (12h+12h cycle), IDT”

Technical Parameters

Electrical control system
a) Controller model	Cold balanced touch-type intelligent programmable temperature controller (power saving control)
b) Screen introduction	1. Curves and temperature and humidity can be displayed on the same interface 2. The screen display of temperature and humidity 3． Curves can be recorded in real-time
c) Controller specifications	Technical indicators: 1. 7-inch color touch screen 2. Two control modes: program/fixed value 3. Sensor type: two PT100 inputs (electronic sensor input optional) 4. Output mode: voltage pulse (SSR)/control output: 2 (temperature/humidity)/2 4-20mA analog output/16 relay outputs (passive) 5. Control signal: 8 IS control signals/8 T control signals/4 AL control signals 6. Alarm signal: 16 DI external obstacle alarms 7. Temperature measurement range: -90.00℃--200.00℃, (optional -90.00℃--300.00℃) error ±0.2℃ 8. Humidity measurement range: 1.0%--100%RH, error ±1%RH 9. Communication interface: (RS232/RS485, maximum communication distance 1.2km [optical fiber up to 30km]) 10. Interface language type: Chinese/English 11. Equipped with English input function 12. Can be used with a printer (USB function optional) 13. A variety of signal combination relay outputs, and the signals can be subjected to logical operations (NOT, AND, OR, NOR, XOR), referred to as PLC programming ability 14. Diversified relay control methods: parameter->relay mode, relay->parameter mode, logic combination mode, composite signal mode 15. Program editing: 120 groups of programs can be programmed, and each group of programs can program up to 100 segments
Controller technical parameters	Accuracy: temperature ±0.1℃＋1digit, humidity ±1%R.H＋1digit Resolution: temperature ±0.01℃, humidity ±0.1%R.H. Temperature slope: 0.1~9.9 can be set. It has upper and lower limit standby and alarm functions. Temperature and humidity input signal dry and wet bulb PT100x2. 9 sets of P.I.D control parameter settings, P.I.D automatic calculation. Dry and wet bulb with automatic correction screen function
Control method	1. Anti-integral saturation PID 2. BTC balanced temperature control method + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature test equipment) 3. BTHC balanced temperature and humidity control method + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature and humidity test equipment)