1000L High and Low Temperature and Humidity Chamber -70℃
Complied Standards & Clauses
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”
Product Overview
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) |
Details
