CATEGORIES

    High-Low Temperature Constant Damp Heat Chamber

    Overview Products Knowledge Standards Terms
    High and low temperature constant humidity test chambers simulate different temperature and humidity environments within an enclosed space through refrigeration, heating systems, and humidification and dehumidification devices. They are used to detect the performance changes of materials under varying temperature and humidity conditions, commonly applied in weathering tests and quality control for products such as electronic components, coatings, and plastics.
    Selection
    When selecting, consider that the temperature range covers testing requirements, humidity control accuracy meets standards, and the inner chamber size accommodates the sample volume. Pay attention to the impact of compressor type and humidification method on performance, confirm that the equipment complies with relevant industry testing specifications, and check safety protection features and energy consumption indicators.
    Test Type
    Min-TEMP
    Max-TEMP
    working volume
    Temp Fluctuation
    Temp Uniformity
    Temp Deviation
    Temp Change Rate
    Cooling Method

    Terms

    Reciprocating Constant Temperature Oscillator
    Rapid Temperature Change High and Low Temperature Test Chamber
    Constant Temperature Heating Stirrer
    High and Low Temperature Constant Temperature Oil Bath
    Transparent Constant Temperature Water Bath
    Carbon Dioxide Constant Temperature Shaker
    High and Low Temperature Stirring Thermostatic Bath
    Laboratory Constant Temperature Shaker
    Constant Temperature Incubator
    Low-temperature water bath

    Standards

    Active GB/T 2423.50-2025
    Environmental testing—Part 2：Test methods—Test Cy：Damp heat, steady state, accelerated test primarily intended for components
    Active GB/T 43316.5-2023
    Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 5: Constant tensile deformation method
    Active GB/T 43316.2-2023
    Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 2: Constant tensile load method
    Active GB/T 2423.40-2013
    Environmental testing―Part 2: Test methods―Test Cx: Damp heat, steady state (unsaturated pressurized vapour)
    Active GB/T 10590-2006
    Specifications for high and low temperature/low air pressure testing chambers
    Active GB/T 2423.50-2012
    Environmental testing - Part 2: Test methods - Test Cy: Damp heat，steady state，accelerated test primarily intended for components
    Active GB/T 32065.6-2015
    Environmental test methods for oceanographic instruments—Part 6：Damp heat, steady state
    Active GB/T 2423.3-2016
    Environmental testing—Part 2：Testing method—Test Cab:Damp heat,steady state
    Active GB/T 5170.10-2017
    Inspection methods for environmental testing equipments—Part 10：Combined high and low temperature/low air pressure testing equipments
    Active GB/T 10592-2023
    Specifications for high/low temperature testing chambers
    Active GB/T 9279.1-2015
    Paints and varnishes—Determination of scratch resistance—Part 1: Constant-loading method

    Instruments

    BOZHEN GD/HS4010 High and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃ Humidity 30~ 98% RH
    BOZHEN GD/HS4010 High and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃ Humidity 30~ 98% RH

    Adopt unique equilibrate temperature control method to achieve High Accuracy Temperature Control, Temperature Uniformity ≤ + 2 ℃, equipped with a large area observation window for real-time observation of sample test status, the studio is made of 304 stainless steel.

    $ 4438.00
    BOZHEN GD/HS4005 high and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃
    BOZHEN GD/HS4005 high and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃

    The equilibrate temperature control method is used to achieve +/- 0.5 ℃ Temperature Fluctuation, Temperature Uniformity ≤ + 2 ℃, and the large-area observation window can monitor the sample status in real time to meet the strict environment testing requirements.

    $ 3822.00
    Lugong ST-25LA programmable constant temperature and humidity testing machine, high and low temperature heat and humidity alternating environment simulation
    Lugong ST-25LA programmable constant temperature and humidity testing machine, high and low temperature heat and humidity alternating environment simulation

    Using Nidec compressor and DuPont environmental protection refrigerant, Humidity control accuracy of 0.1 ℃, equipped with double-decked vacuum heating defrosting observation window and stainless steel sample holder, support multi-stage programming and Data storage.

    $ 3301.00
    BOZHEN GD/HS4050 High and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃ Humidity 30~ 98% RH
    BOZHEN GD/HS4050 High and low temperature constant damping heat test Chamber temperature range -40~ 100 ℃ Humidity 30~ 98% RH

    High Accuracy Temperature Control with Unique Equilibrate Temperature Control, Temperature Uniformity ≤ + 2 ℃, Large Area Observation Window for Real-time Observation of Sample Test Status, to meet various environmental adaptability testing needs.

    $ 7225.00
    BOZHEN GD/HS4025 High and low temperature constant damping heat test Chamber temperature and humidity control environmental adaptability test
    BOZHEN GD/HS4025 High and low temperature constant damping heat test Chamber temperature and humidity control environmental adaptability test

    The equilibrate temperature control method is used to achieve Temperature Fluctuation ≤ +/- 0.5 ° C, humidity control range is 30-98% RH, equipped with a large area observation window to observe the sample status in real time, and the studio is made of 304 stainless steel.

    $ 5705.00
    KESIONOTS KS-OTS-HD150LC low/high temperature test Chamber environmental test Chamber -40~ 150 ℃ 150L
    KESIONOTS KS-OTS-HD150LC low/high temperature test Chamber environmental test Chamber -40~ 150 ℃ 150L

    Temperature range -40~ 150 ℃, studio volume 150L, suitable for high temperature and low temperature Reliability test, in line with a number of national standards, aging test and constant temperature test.

    $ 5431.00
    KESIONOTS KS-OTS-HD150LD low/high temperature test Chamber environmental test Chamber temperature control -20~ 150 ℃
    KESIONOTS KS-OTS-HD150LD low/high temperature test Chamber environmental test Chamber temperature control -20~ 150 ℃

    Temperature range -20~ 150 ℃, Temperature Uniformity +/- 1.0 ℃, support high temperature, low temperature and constant temperature test, suitable for Reliability test, equipped with multiple protection devices and safety system.

    $ 4818.00
    AISRY NBC-50L-20 programmable constant temperature and humidity testing machine, high and low temperature heat and humidity alternating test chamber
    AISRY NBC-50L-20 programmable constant temperature and humidity testing machine, high and low temperature heat and humidity alternating test chamber

    Adopt equilibrating Conditioning Control system, Temperature range -20~ 150 ℃, humidity control 20~ 98% RH, equipped with imported Compressor and multi-stage PID calculation, ensure uniform and stable heat preservation Humidity, energy saving and high efficiency.

    $ 2457.00
    BENTING CBGDW-800L low/high temperature test Chamber mirror stainless steel inner wall 800L volume
    BENTING CBGDW-800L low/high temperature test Chamber mirror stainless steel inner wall 800L volume

    Temperature range -20~ 150 ℃, volume 800L, mirror stainless steel inner wall and automatic adjustment refrigerator operation, to ensure Temperature Uniformity ≤ 2.0 ℃, suitable for high and low temperature cycle test.

    $ 11608.00
    KESIONOTS KS-OTS-HD408LD low/high temperature test Chamber environmental test Chamber 408L studio
    KESIONOTS KS-OTS-HD408LD low/high temperature test Chamber environmental test Chamber 408L studio

    Temperature range -20~ 150 ℃, studio volume 408L, suitable for high temperature and low temperature Reliability test, support constant temperature test, in line with a number of national standards.

    $ 6076.00
    BENTING CBGDW-80L low/high temperature test Chamber 80L volume -20~ 150 ℃ temperature control
    BENTING CBGDW-80L low/high temperature test Chamber 80L volume -20~ 150 ℃ temperature control

    80L studio volume with -20~ 150 ℃ wide temperature control, using fully enclosed low noise Compressor and automatic adjustment of refrigeration conditions, Temperature Uniformity ≤ 2.0 ℃ to ensure test stability.

    $ 6299.00
    KESIONOTS KS-OTS-HD1000LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 1000L
    KESIONOTS KS-OTS-HD1000LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 1000L

    Temperature control range -70~ 150 ° C, volume 1000L, stainless steel studio and high-efficiency insulation materials, support high temperature, low temperature and constant temperature test, in line with a number of national standards.

    $ 10207.00
    KESIONOTS KS-OTS-HD800LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 800L
    KESIONOTS KS-OTS-HD800LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 800L

    Temperature control range -70~ 150 ℃, studio volume 800L, support high temperature, low temperature and constant temperature test, in line with a number of national standards, suitable for aging test and performance inspection.

    $ 9013.00
    KESIONOTS KS-OTS-HD225LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 225L
    KESIONOTS KS-OTS-HD225LA low/high temperature test Chamber environmental test Chamber -70~ 150 ℃ 225L

    Temperature control range -70~ 150 ° C, studio volume 225L, stainless steel material and high-efficiency thermal insulation material, support high temperature, low temperature and constant temperature test, in line with a number of national standards.

    $ 6770.00
    TENLIN HX-015IIF Low temperature thermostatic circulator Thermostatic bath
    TENLIN HX-015IIF Low temperature thermostatic circulator Thermostatic bath

    Provide a uniform and constant field source with controlled temperature, which can be used for constant temperature experiments or tests on samples, and can also be used as a heat source for direct or auxiliary heating.

    $ 2784.00

    Articles

    Rapid temperature change high and low temperature test chamber for thermal fatigue evaluation of PCB board solder joints.
    This paper discusses the application of rapid temperature change high and low temperature test chambers in evaluating the thermal fatigue of PCB board solder joints. Solder joint fatigue is primarily caused by differences in material thermal expansion, and the test chamber simulates thermal stress through temperature cycling to accelerate the fatigue process.
    Application of Three-Chamber High and Low Temperature Test Chambers in Rapid Temperature Cycling for Electronic Products
    The three-chamber high-low temperature test chamber is used for reliability testing of electronic products, enabling rapid temperature transitions through independent high temperature, low temperature, and test zones. Compared to traditional single-chamber equipment, it reduces temperature change time and enhances testing efficiency.
    Application of Transparent Constant Temperature Water Bath in Visualization of Material Thermal Deformation
    The constant temperature water bath provides a stable environment for observing the deformation of materials after heating by maintaining a constant and uniform temperature of the liquid medium.
    Electronic Tensile Testing Machine Measures the Right-Angle Tear Strength of Films
    This article explains how to measure the right-angle tear strength of films using an electronic tensile testing machine. During the test, a film specimen with a right-angle notch is first clamped onto the testing machine and stretched at a constant speed. The machine records the changes in force during the tearing process.
    High and low temperature alternating test chamber for measuring low-temperature embrittlement temperature of plastics
    This article introduces how to use a high-low temperature alternating test chamber to determine the low-temperature brittleness temperature of plastics.
    Thermal Shock Test Chamber Measures Film's Temperature Change Resistance
    The thermal shock test chamber creates thermal stress inside the film by rapidly switching between high and low temperature environments, testing its resistance to temperature changes. During the test, key parameters such as temperature range and dwell time need to be set, and the film is observed for issues such as cracking or performance degradation.
    Schopper air permeability tester measures paper air permeability.
    The Schopper air permeability tester measures the air permeability of paper based on Poiseuille's law, calculating the permeability by either the air flow rate under a constant pressure difference or the pressure difference at a fixed flow rate.
    Method for Determining Peel Strength of Hot Melt Adhesives Using an Electronic Tensile Tester
    This article introduces the standard method for determining the peel strength of hot melt adhesives using an electronic tensile testing machine. The test employs a 180° peel mode, where a sample coated with hot melt adhesive is clamped in the machine's fixtures and peeled at a constant speed. The peel strength is calculated based on the recorded force variations.
    Thermal Shock Test Chamber Evaluates Coating Thermal Stability
    The thermal shock test chamber simulates sudden temperature changes by rapidly switching between high and low temperature environments, used to evaluate the thermal stability of coatings. In practical applications, coatings may develop internal stresses due to drastic temperature fluctuations, leading to issues such as cracking and peeling.
    The necessity of explosion-proof high and low temperature test chambers in lithium battery testing
    Lithium batteries pose a risk of thermal runaway or even explosion when tested under extreme temperatures. Explosion-proof high-low temperature test chambers, designed with pressure relief structures, explosion-proof electrical components, and intelligent monitoring systems, can safely release energy and ensure the safety of the testing process.
    Tensile Testing Machine Evaluates High and Low Temperature Tensile Properties of Hot Melt Adhesive
    This article introduces how to use a tensile testing machine to test the tensile properties of hot-melt adhesives at different temperatures. The performance of hot-melt adhesives varies with temperature: they may soften at high temperatures and become brittle at low temperatures.
    Tensile Testing Machine Evaluates Paper Tensile Strength
    This article explains how to use a tensile testing machine to measure the tensile strength of paper. During the test, a standard-sized paper sample is clamped into the machine and stretched at a constant speed until it breaks. The maximum force recorded is then divided by the width of the sample to determine the tensile strength.
    Application of Tensile Testing Machine in Coating Peel Strength Testing of Silicon-Carbon Anode Materials
    This article introduces how to use a tensile testing machine to measure the bonding strength between silicon-carbon anode material coatings and copper foil substrates in lithium-ion battery research and development. During the test, the coating is peeled off using the 180-degree peel method at a constant speed, and the force variations throughout the peeling process are recorded.
    The essential difference between thermal shock test chambers and high-low temperature alternating test chambers.
    Both thermal shock test chambers and temperature cycling test chambers are used to test the temperature resistance of products, but their core differences lie in the method and purpose of temperature change.
    Differences and Selection Between Alternating Damp Heat and Constant Damp Heat Test Methods
    Based on the patterns of humidity and temperature changes, they are mainly divided into two categories: constant damp heat tests and cyclic damp heat tests. Both simulate the effects of humid environments on products, but there are significant differences in their stress application methods, failure mechanisms, and applicable standards.