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Three Zones high and low temperature test chamber


Apply to:Three zones high and low temperature test

Application:metal,plastic,rubber,electronic and telecommunication industry

  • Feature
  • Specification


    Lenpure Three Zones high and low temperature test chamber is the must-have test equipment for aviation, Aerospace, metal, plastic, rubber, electronic industry etc.It is applied in testing the degree of endurance of material structure under dramatically temperature changing.Hence it is able to test chemical change or physical damage caused by heat expansion and cold contraction on test specimens in the shortest time duration

    ●Modern attractive styling
    ●Custom Sizes Available
    ●Control each box independently with touch screen programmer
    ●User-Friendly Controls
    ●Running time meter
    ●Wide temperature and humidity ranges
    ●High performance even under load
    ●Incandescent interior lighting
    ●Modular,Robust Reliable construction
    ●Tri-color Indicator and EMO (Emergency-off Switch) available.
    ●Stainless steel interior
    ●Painted galvanized steel exterior for long life
    ●Comprehensive safety features
    ●Refrigeration gauges
    ●Refrigeration sound deadening package
    ●zero ozone depletion refrigerants
    ●All circuits fused or circuit breaker protected.
    ●All wiring numbered or color coded
    ●Compressor overload protection
    ●Viewing windows
    ●Suitable for testing to most standard specifications

    Test Standards

    This test equipment conforms to following test standards (but not limited to):
    ●SJT 31129-1994
    ●JIS D0204-1967
    ●JB-T 8250.5-1999
    ●GJB 940-90
    ●GB-T 11158-89

    Sizes of High and low temperature test chamber
    Volume (L)
    Temperature Range
    Rated Power 
    Internal Dimension (mm) D*W*H
    External Dimension (mm) D*W*H
    A: -20~150°C
    B: -40~150°C
    C: -60~150°C
    D: -70~150°C
    E: or customized
    As per design drawing
    Note: In the Model, the number means volume of test chamber's working room, and ABCD means the temperature range.
    For example, model LRHS-101A-LJ means the volume of this test chamber is 101L, and its temperature range is -20°C~+150°C. LRHS-225C-LJ means the volume is 225L and the temeprature range is -60°C~+150°C
    Basic Specification
    Temperature Range A: -20~150°C, B: -40~150°C, C: -60~150°C, D: -70~150°C, E : or customized
    Temperature Fluctuation ±0.5°C(No-load)
    Temperature Uniformity ≤2℃(No-load)
    Ramp Rate 1~3°C/min for heating (non-linear, based on on-load)
    0.7~1.0°C/min for cooling (non-linear, based on on-load)
    Note: can be customized as per requirement
    External Casing Cold-rolled A3 (Q235) steel plates with plastics painted. 
    Interior Working Room Stainless Steel Plates SUS304 with miror surface
    Heat Isolation Polyurethane foams and fine glass fibres
    Illumination Lamp Philips® one in per standard test chamber.
    Casters 4pcs, with PU covered for protection. Height adjustable and direction universal. 
    Cable Port It is installed on the left of the machine for use in the external test power line or signal line
    Viewing Window Multi-layer hollow toughened glass with conductive films for heating to defrost
    Door Manually operated sliding door with unlock button
    Heating & Cooling System
    Heater Steipped Nickel-chromium Wire Heater
    Air Blower Anti-temperature stainless fan blades with low noise
    Compressor Hermetically-sealed Techmesh® or semi-sealed Bitzer® or GEA® or equivalent compressors
    Cooling Method Single or dual cooling (Air-cooled or Water-cooled)
    Refrigerant R404A or/and R23 (eco-friendly)
    Control System
    Controller 7" Programmable colorful touch-screen display
    LCD English Display
    Microcomputer integrated controller
    Functions Data Record (Max 600 days x 24hrs), History Curve, USB data download & upload, Remote controlling through PC, Automatic protection alarms, etc.
    Program 1~1000 programs, 1~999 steps for per program, Max 99hrs 59mins for per program. 10 programs can be interlinked.
    Temperature Sensor Platinum Resistance.PT100Ω
    Running Model Constant/Fix-value Model and Programmable Model
    I/O Interface Communicate port (RS485) to connect test chamber to a PC
    Standard Configuration Test Chamber x 1, Specimen Holder Shelf x 2, φ50/100mm Cable Access Port x 1 with 1 soft plug, EMO x 1, Tri-color Indicator x 1, etc.
    Safety Protection Power leakage protection/Compressor over-heat, over-load or over-current protection/Dry burning protection.
    Voltage 380V/440V±10%, 50Hz/60Hz or as per requirement
    Ambient Enviromental for application 5°C~+30°C ≤ 85%R.H
    Test Standards (not limited to)