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                    model
                 
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                    Programmable constant temperature and humidity test chamber - Volume ABCD
                 
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                    Internal volume (L)
                 
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                    100
                 
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                    150
                 
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                    225
                 
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                    408
                 
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                    800
                 
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                    1000
                 
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                    Studio size (WxDxH) (mm), width, depth, and height
                 
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                    500x400x500
                 
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                    500x500x600
                 
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                    600x500x750
                 
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                    800x600x850
                 
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                    1000x800x1000
                 
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                    1000x1000x1000
                 
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                    Outer box size (WxDxH)
                 
                
                    Width, depth, and height (mm)
                 
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                    700x1390x1580
                 
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                    700x1490x1680
                 
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                    800x1490x1780
                 
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                    1000x1590x1930
                 
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                    1200x1790x2080
                 
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                    1200x1990x2080
                 
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                    Window (WxH) width and height (mm)
                 
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                    214x300
                 
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                    214x300
                 
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                    280x350
                 
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                    360x510
                 
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                    360x510
                 
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                    360x510
                 
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                    Minimum low temperature
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    -20
                 
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                    -40
                 
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                    -70
                 
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                    Power supply power (KW)
                 
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                    4.5
                 
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                    5.0
                 
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                    6.5
                 
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                    5.0
                 
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                    5.5
                 
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                    7.0
                 
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                    5.5
                 
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                    6.0
                 
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                    7.5
                 
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                    6.0
                 
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                    7.5
                 
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                    10
                 
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                    9.0
                 
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                    10
                 
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                    11
                 
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                    10.5
                 
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                    11
                 
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                    12
                 
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                    Voltage AC (V)
                 
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                    220
                 
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                    380
                 
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                    220
                 
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                    380
                 
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                    220
                 
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                    380
                 
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                    220
                 
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                    380
                 
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                    380
                 
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                    380
                 
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                    Weight (kg)
                 
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                    250
                 
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                    300
                 
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                    400
                 
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                    520
                 
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                    630
                 
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                    700
                 
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                    performance
                 
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                    Temperature and humidity control methods
                 
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                    Balanced Temperature and Humidity Control (BTHC) PID Intelligent Adjustment
                 
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                    Product performance
                 
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                    Air cooled, the machine is air-cooled at a room temperature of 25 ℃ when unloaded.
                 
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                    temperature range
                 
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                    A: -40 ℃~150 ℃ B: -20 ℃~150 ℃ C: -60 ℃~150 ℃ D: -70 ℃~150 ℃ Please choose the standard: A -40 ℃~150 ℃
                 
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                    Humidity range
                 
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                    20%~98% R H (10%~98% R.H, 5%~98% R.H; customized for special conditions)
                 
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                    Temperature distribution uniformity
                 
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                    ≤ ± 2 ℃
                 
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                    Temperature control fluctuation
                 
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                    ± 0.5 ℃
                 
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                    Temperature deviation
                 
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                    ≤ ± 2 ℃
                 
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                    Humidity deviation
                 
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                    75% R H<± 5% R H; 75% R H ≥ ± 3% R H,
                 
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                    Humidity fluctuation
                 
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                    ≤ ± 2.5% R.H
                 
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                    Uniformity of humidity distribution
                 
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                    225L ≤ ± 3% 408L ≥ ± 5%
                 
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                    heating rate
                 
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                    About 2 ℃/minute; No load (temperature rate of 2-25 ℃/minute, linear/nonlinear, special conditions require customization)
                 
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                    cooling rate
                 
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                    Approximately 0.7-1.7 ℃/minute; No load (temperature rate of 2-25 ℃/minute, linear/nonlinear, special conditions require customization)
                 
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                    Temperature and humidity resolution
                 
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                    0.01 ℃/0.1% R.H
                 
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                    material
                 
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                    Inner shell material
                 
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                    SUS304 mirror stainless steel
                 
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                    Shell material
                 
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                    Rust proof treated cold-rolled steel plate spray coated/SUS304 brushed stainless steel
                 
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                    Insulation heat interruption
                 
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                    Bayer polyethylene foam (PU foam insulation)
                 
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                    refrigeration system
                 
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                    Refrigeration method
                 
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                    Fully enclosed double stage compressor (air-cooled)
                 
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                    Refrigerator
                 
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                    TECUMSEH compressor from France (large models: BITZER compressor from Germany/GEA blog compressor from Germany)
                 
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                    Refrigerant
                 
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                    R404/R23 (environmentally friendly refrigerant)
                 
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                    Condensing method
                 
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                    Air-cooled
                 
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                    heater
                 
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                    Nickel chromium alloy electric wire heater
                 
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                    humidifier
                 
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                    Boiler type stainless steel armored heater
                 
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                    Air intake system
                 
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                    Centrifugal fan
                 
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                    Airflow mode
                 
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                    Broadband forced airflow circulation (up out and down in)
                 
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                    control system
                 
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                    TAITONG TATO/Korea TECH Three Yuan
                 
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                    water supply
                 
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                    Water supply method
                 
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                    Automatic water supply device (indicated before selection)
                 
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                    Water supply box
                 
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                    Manual drawer type water tank
                 
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                    water quality
                 
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                    Resistivity>500M Ω
                 
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                    Standard configuration
                 
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                    One observation window (double-layer hollow tempered conductive glass); Test hole Φ 50mm (on the left) 1 piece; Sample rack with 2 layers; 1 photography lamp (fluorescent lamp) inside the box; 1 water supply box; 1 meteorological strip for wet bulb use; 4 small casters; 1 power cord.
                 
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                    Usage conditions
                 
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                    ambient temperature
                 
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                    5 ℃~28 ℃ (water-cooled 5 ℃~35 ℃)
                 
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                    relative humidity
                 
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                    ≤ 85% RH
                 
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                    matters needing attention
                 
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                    This device cannot be used for testing or storage of items that contain flammable, explosive, or volatile or corrosive gases.
                 
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