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Purpose
Temperature and humidity testing chamber is called environmental testing chamber, which is able to accurately simulate such complicated natural environments as low temperature, high temperature, high temperature and humidity, low temperature and humidity etc., applicable to the QC inspection in such industrial units as electronics, electrical appliance, battery, plastics, food, paper product, vehicle, metal, chemistry, building material, research institution, inspection and quarantine bureau, university etc..
Applicable Standards
The performance index conforms to the requirements of GB5170、2、3、5、6-95 ‘Inspection Methods for Basic Parameters of Environmental Test Equipment for Electric and Electronic Products—Low Temperature, High Temperature, Constant Temperature & Humidity and Alternating Temperature & Humidity Test Equipment’.
Basic Environmental Test Procedures for Electric and Electronic Products Test A: Low Temperature Test Method GB 2423.1-89 (IEC68-2-1)
Basic Environmental Test Procedures for Electric and Electronic Products Test B: High Temperature Test Method GB 2423.2-89 (IEC68-2-2)
Basic Environmental Test Procedures for Electric and Electronic Products Test Ca: Constant Temperature & Humidity Test Method GB/T 2423.3-93（IEC68-2-3）
Basic Environmental Test Procedures for Electric and Electronic Products Test Da: Alternating Temperature & Humidity Test Method GB/T423.4-93(IEC68-2-30)
Performance of Equipment
Model | BE-TH-80H8 | BE-TH-80M8 | BE-TH-80L8 | ||
Internal material (mm)WXHXD | 400 X500x400 | 400 X500x400 | 400 X500x400 | ||
External dimension (mm)WXHXD | 920x1500X970 | 920x1500X970 | 920x1500X970 | ||
Power supply | 1ψ 220V | 1ψ 220V | 1ψ 220V | ||
Temperature range | -20℃～ +150℃ | -40℃～ +150℃ | -70℃～ +150℃ | ||
Humidity range | 20%RH～98%RH | 20%RH～98%RH | 20%RH～98%RH | ||
fluctuation | temperature | ±0.5℃ | |||
humidity | ±2.0%R.H | ||||
Distribution deviation | temperature | ±1.5℃ | |||
humidity | +3.0%RH,-2.0%RH | ||||
Internal material | stainless steel plate of mirror surface (SUS #304,1.0mmthick) | ||||
External material | stainless steel of yarn surface (SUS #304,1.0mmthick) | ||||
Heating rate | Average3℃/min nonlinear and no-load | ||||
Cooling rate | Average1℃/min nonlinear and no-load | ||||
Refrigeration system | efficient and ultralow-temperature refrigeration system from Europe andAmerica(heat dissipation of air-cooling type) | ||||
Control System | TEMI880 Programmable temperature and humidity controller of color, touch and intelligence, imported fromSouth Korea | ||||
Safety Protection System | Over-temperature protector, High-tension protection switch and Overheat protection switch for the compressor, Over-current protection switch, Non-fuse switch, Fast-blow ceramic fuse, Buzzer | ||||
Standard configuration | Observation window, Test hole, Shelves inside the chamber, Lighting, Chamber casters | ||||
on-line function | RS-485 and RS-232 computer on-line function and on-line software | ||||
temperature and humidity testing chamber
