Product Overview
The high and low temperature impact test chamber is used to test the degree to which composite materials and material structures can withstand continuous environments of high and extremely low temperatures in an instant, in order to test the chemical changes or physical damage caused by thermal expansion and contraction in the shortest possible time.
II Technical parameters of high and low temperature impact test chamber manufacturer
Inner box size: 50 × 40 × 40 (can be customized according to customer requirements)
Outer box size: 150 × 190 × 160
Test method: Pneumatic air door switch between 2 or 3 greenhouse modes
Preheating temperature range for high temperature chamber:+60~+200 ℃
Heating rate:+60 →+200 ℃ for about 20 minutes
Low temperature chamber pre cooling temperature range: -78 → 0 ℃
Cooling rate:+20 → -75 ℃ for about 70 minutes
Laboratory temperature deviation: ± 2 ℃
Temperature range: A: -40 ℃~+150 ℃, B: -55 ℃~150 ℃, C: -65 ℃~+150 ℃
Temperature recovery time: within 5 minutes
Material: High density cold-rolled steel plate with nano spray coating for the shell; Stainless steel (SUS304) inside, polyurethane foam thermal insulation material
Heater: Nickel chromium alloy electric heater
Fan: shared centrifugal fan for high temperature and environmental temperature exposure, axial flow fan for preheating
Heater and cooler: Nickel chromium alloy electric heating, finned cooler, and cold storage device
Fan: Centrifugal fan
Pneumatic cylinder: used for driving various dampers during high temperature, ambient temperature, and low temperature exposure
Air Compressor: Provides compressed air to drive pneumatic dampers (optional)
Refrigeration method: mechanical compression binary cascade refrigeration
Refrigeration compressor: semi enclosed piston type
Refrigerant: 23/R404 environmentally friendly
Condenser: Stainless steel brazed plate heat exchanger
Operation interface: 6 "color LCD display touch screen, Chinese menu prompts
Program memory capacity: 100 sets of user programs (customizable and modifiable)
Set indicator range: time: 1 minute~99 hours and 59 minutes, cycle: 1~999 cycles
Resolution: Temperature: 0.01 ℃, Time: 1 minute
Power supply: AC380 ± 10% V 50 ± 0.5Hz, three-phase four wire+protective ground wire
Power (kw): 20, 21, 22
Cooling circulating water: water pressure: 0.2~0.4MPa, water temperature: ≤ 30 ℃
Compressed air: 0.5~0.7MPa
III High and low temperature impact test chamber manufacturer's safety device
Leakage circuit breaker, high and low temperature protection device (built-in controller), high and low temperature protection device, exhaust valve, sample power control terminal (contact capacity: AC 250V 6 amperes), high and low temperature room over temperature protection switch, high and low temperature room over temperature protection (built-in controller), compressor over pressure and over temperature protection, water cut-off relay, fan thermal relay, motor temperature switch, motor reverse prevention relay, compressed air pressure switch, fuse, external alarm terminal (contact capacity: AC 250V 2 amperes)