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  • Walk In Constant Temperature Humidity Test Chamber - China

    price: 22000.00 Dollar US$

    Walk-in constant temperature humidity test chamber
    functional features
    internal test chamber is designed and made of sus#304 high-low temperature resistance stainless steel;
    insulation material is introduced frame retardant strength pu polyurethane foam insulation material;
    observation window is designed and made with vacuum glass observation window on door, and door frame with electric heat resistant, anti-frosting, anti-condensing devices to enable test technician can observe testing specimen in testing in an easy way.
    cable port with its diameter at 50mm is designed on left of testing chamber, and processed with silicon filling and sealing as well as designed with stainless steel cover for safety purpose.
    walk-in environmental test, to guarantee safety testing operation, is designed with explosion-proof pressure releasing function with 1 ventilation hole on left or right side of test chamber for pressure releasing purpose.
    sealing process for test chamber is introduced with silicone sealing strip to provide an excellent sealing performance. while push-in testing holder with good loading bear is made for internal environmental test.
    a close-type mechanical pressure balance & regulation device is introduced to balance difference between inside and outside of test chamber to protect testing chamber.
    4 arrays of explosion-proof and energy-save lamp is installed inside of test chamber for observation while steel base frame for test chamber with loading bear no less than 2000kg/m²
    air supply system with constant air flow as well as uniform air distribution is driven by branded asynchronous motor, multi-blades centrifugal circulating blower as well as high-performance sensors.
    refrigeration system is introduced with french tecumseh compressor for dehumification while germany bitzer compresor for refrigeration system, while uses environmental friendly refrigerant hfc r404a, r23a.
    heating system is designed with ssr (solid-state relay) & controller to provide high accurate non-contact switch control, and the heating tube introduced with naked wire nickel chromium alloy electric heating tube.
    control method for walk-in test chamber is introduced with programmable high accuracy micro computer controller, use cold mirror dew point instrument control temp. humidity system. cold mirror dew point instrument control temp. humidity system.
    p.i.d., btc balance temperature control method(thermal compensation function)+ddc digital cold control +dec digital electric control (temperature change test program setting)
    technical parameters
    chamber model lthw-6m lthw-8m lthw-10m lthw-15m lthw-30m lthw-80m
    temp. range: low temperature: a: 25℃;b: 0℃;c: -20℃; d: -40℃ e:-70℃ high temperature: 80℃ (80~150℃optional)
    humidity range 20%~98%r.h. (10%~98%r.h./5%~98%r.h. customize available)
    analytic accuracy 0.1℃; 0.1% r.h
    uniformity ±2.0℃; ±3.5% r.h.
    control accuracy ±0.5℃; ±2.5% r.h.
    temperature rising/falling speed rate temp. rising approx 1.0~3.0 ℃/min; temp. cooling rate approx. 0.5~1℃/min.
    cooling system air cooling/water cooling
    protection devices fuse-free switch, overloading protection switch for compressor, high and low voltage coolant protection switch, over-humidity & over-temperature protection switch, fuses, fault warning system, water short storage warning protection
    optional accessories slope for cart, recorder, water purifier, dehumidifier
    compressor french tecumseh brand, germany bizer brand
    power source ac 380 v, 50/60hz, 3∮ 5 lines
    standard compliance
    gb/t 2423.1-2001 (iec60068-2-1) environmental testing - part 2: test methods - tests a: cold
    gb/t 2423.2-2001 (iec60068-2-2) environmental testing - part 2: test methods - tests b: dry heat
    gb/t 2423.3-1993 (iec 60068-2-3) basic environmental testing procedures for electric and electronic products. test ca:damp heat, steady state
    gb/t 2423.4-1993 (iec 60068-2-30) environmental testing for electric and electronic products - part 2: test method - test db: damp heat, cyclic ( 12h+12h cycle)
    gb/t 2423.9-2001 (iec 60068-2-56) environmental testing for electric and electronic products - part 2: testing method test cab: damp heat steady state
    gb/t 2423.50-1999 (iec 60068-2-67) environmental testing for electric and electronic products part 2: tests--test cy:damp heat, steady state, accelerated test primarily intended
    iec 60068-2-14 environmental testing -- part 2-14: tests -- test n: change of temperature
    iec60068-2-78 environmental testing - part 2-78: tests-test ca b: damp heat, steady state
    iec 60068-3-4:2001 environment tests for electric and electronic products-guidance for damp heat tests
    gb/t2423.34-2005 environmental testing for electric and electronic products part 2:test methods test z/ad:composite temperature/humidity cyclic test
    gb/t 14092.1-1993 environmental condition for machinery products-warm-damp
    mil-std-810 environmental engineering considerations and laboratory tests


    Company Contact:


    • Phone: 008615989902506

    • Address: 2ed. Floor, Building A, Chungfu Industrial , Dongguan , Guangdong , China

    • Email: Email


    Published date: April 18, 2017 - Modified date: April 29, 2017

    • Business Description: Dongguan LmetTest Technology Co.,Ltd Specialized in Environmental & Mechanical Simultation Testing Equipments Manufacturing. As Lab Consultant, my responsibility is help customer select the suitable testing equipments as per their various requirements ,and give suggestions for Lab constructions works.
      Our Company Main Testing Equipments as below:
      ENVIRONMENTAL TEST
      【Constant Temperature Humidity Test Chamber】- 80L~1000L;-70℃~150℃;5%~98RH
      【High/Low Temperature Cycling Test Chamber】80L~1000L;-70℃~180℃;
      【Rapid Temperature-Change Test Chamber】80L~1000L;-70℃~180℃;3~20℃/Min.
      【Thermal Shock Test Chamber 】80L~1000L;-70℃~180℃;Recovery Time:5 Min.(L-H/H-L)
      【Walk-In Temperature & Humidity Test Room】Above 1000L,-70~150℃;5%~90% RH
      【High Atitude Low Temperature Test Chamber】
      【Combined Temperature-Humidity-Vibration Test Chamber】
      -70℃~180℃;5%~98RH;Sine Vibration, Random Vibration
      【High Temperature Aging Test Oven】50L~1000L; RT~500℃
      WEATHERING TEST
      【UV Accelerating Aging Test Chamber】
      【Xenon Aging Test Chamber】
      【Dust Blow Test Chamber】
      【Rain Test Chamber】IPX1,X2,X3X4,X5,X6,X7,X8,X9.
      【Salt Spray Test Chamber】ACSS ,NSS,CASS; 110L~2000L.
      【Universal Tensile Testing Machine】Force capacity from 1KN ~1000KN

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