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Programmable constant temperature and humidity test chamber

Programmable constant temperature and humidity test chamber

15 days after order.
Each set protected with resin fiber and PP film, then put into Strong wooden case with operation manual and video inside.
L/C, D/P, T/T

Temperature humidity test instrument  Temperature humidity test instrument

1. Product description:
Temperature humidity test instrument  is designed for testing the capability of heat-endurance, cold-endurance, dryness-endurance, and humidity-endurance, suitable for quality control of the industries of electron, electrical equipment, vehicle, metal, foodstuffs, chemistry, building materials, luggage, adhesion tape, printing, packaging, etc.

2. The main technical parameters


HD-80T  HD-150T  HD-408T  HD-800T  HD-1000T  
Size  Studio Size(W*H*D)cm  50*60*50  50*60*50  60*85*80  100*100*85  100*100*100  
Machine Size(W*H*D)cm  85*140*95  95*150*105  60*85*80  145*190*135  145*190*155  

Control Methods  Balanced temperature humidity control system (BTHC) PID intelligent adjust  
Temperature and Humidity Range  -70°C~180°C; 10%-98%R.H  
Accuracy  ±0.5°C, ±2.5%RH  
Resolution  ±0.01°C, ±0.1%R.H  
Heating Rate  ≤3°C/min  
Cooling Rate  Average 1°C/min  
Internal Material  SUS#304 stainless steel  
External Material  SUS#304 stainless steel or Antirust processing cold-rolled steel sheet(Spray)  
Insulation Material  Superfine wool+polyurethane foam  
Regulator  Cooling Mode  Mechanical binary refrigeration way  
Compressor  Closed compressor (French Tecumseh or German Copeland )  
Refrigerant  R23/R404A  
Condensing Way  Air-cooling and Water-cooling  
Humidifier  Stainless steel humidifying tube  
Airflow Way  Broadband-type forced air circulation  
Controller  Operate
Korea TEMI 880 LCD touch screen  
Memory capacity  120 groups, each program 100 segment  
Input  PT100 or T thermocouple  
Communicate Interface  RS-232  
Subsidiary function  Upper and lower alarm; self diagnosis; alarm display(fault cause); time sequence protection (Automatic turn on or turn off)  
Water supply  Water supply  Circulating water supply  
Water tank  Built-in hand type(30Kg capacity)  
Water quality  resistance >500Ω.m  
Standard Configuration  One observe window(Double hollow toughened glass); one test pattern D50mm(on the left); 2 layers sample frame; one floodlight(fluorescent lamp); one water feeding tank;  

Safety device  
Power leakage protection; Dry heating protection; Water system protection Over-temperature protection switch; Temperature deviation alarm, Compressor Overpressure; overload; Water shortage; Phrase shortage, etc.  

3. Featurers
Temperature humidity test instrument
1) The separation of humidifier circuit from electric circuit improves safety and protects the circuit against the leakage of water supply line.
2) Available in Chinese and English LCD touch screen, easy operation and program.
3) Able to display the relative date and information of the whole operating system in running mode, graphic display. precautions, maintenance and troubleshooting appear on the screen instantly.
4) The Sirocco fan motor provides greater cyclic airflow to avoid dead corner in the chamber so as to obtain an uniform distribution of temperature and humidity.
5) The system of heating up, heating down, dehumidifying, and humidifying can be operated independently so as to reduce the cost of testing, extend the operating life of the machine and decrease the failure rate.
6) Water Supply adopts automatic watering System, Circulating water supply together with water filter.

4. Corresponding standard:
* GB11158 Technical conditions for high-temperature testing box
* GB10589-89 Technical conditions for low-temperature testing box
* GB10592-89 Technical conditions for high and low temperature testing box
* B/T10586-89 technical conditions for humidity testing chamber
* GB/T2423.1-2001 Low-temperature testing methods
* GB/T2423.2-2001 High-temperature testing methods
* B/T2423.3-93 Testing Method for humidity Test Chamber
* GB/T2423.4-93 Alternating hot and humid testing method
* GB/T2423.22-2001temperature testing method
* IEC60068-2-1.1990 low-temperature testing method
* IEC60068-2-2.1974 high-temperature testing method
* GJB150.3 high-temperature testing
* GJB150.4 low-temperature testing
* GJB150.9 humid testing

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