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    Variable Temperature Constant Temperature and Humidity Test Chamber

    Overview Products Knowledge Standards Terms
    The variable temperature and constant temperature and humidity test chamber simulates different temperature and humidity environments within a sealed space through refrigeration, heating, humidification, and dehumidification systems. It is 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 coatings and plastics.
    Selection
    When selecting, consider a temperature range that covers testing needs, humidity range that matches practical applications, chamber size that accommodates sample dimensions, temperature control accuracy that meets standard requirements, equipment materials that are corrosion-resistant and easy to clean, as well as stable operation with reasonable energy consumption.
    Min-TEMP
    Max-TEMP
    Min-humidity
    Max-humidity
    volume
    Temp Uniformity
    TEMP fluctuation
    Humidity deviation
    Humidity Uniformity
    Test Types
    Cooling Method

    Terms

    Temperature-changing sticker
    Visual Melting Point Apparatus
    Constant Temperature and Humidity Test Chamber
    Condensation Test Chamber
    Mold incubator

    Standards

    Active GB/T 33061.11-2022
    Plastics—Determination of dynamic mechanical properties—Part 11: Glass transition temperature
    Active GB/T 27816-2011
    Binders for paints and varnishes - Determination of glass transition temperature

    Instruments

    YIHENG BPS-50CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber Fluorine-free design temperature limit alarm
    YIHENG BPS-50CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber Fluorine-free design temperature limit alarm

    Temperature range -10~ 100 ℃, humidity control 35~ 95% RH, with independent temperature limit alarm system and multi-stage programmable PID controller to ensure safe operation and precise control of temperature and Humidity.

    $ 3078.00
    HUITAI LHS-150SC Constant Temperature and Humidity Chamber environmental test Chamber Temperature and Humidity Control
    HUITAI LHS-150SC Constant Temperature and Humidity Chamber environmental test Chamber Temperature and Humidity Control

    Adopt mirror stainless steel liner and PID Control mode, Temperature range 0~ 60 ℃, Humidity deviation +/- 5~ 8% R.H., 99 cycle programs and independent temperature limit alarm system.

    $ 1414.00
    YIHENG LHS-500HC-I Constant Temperature and Humidity Chamber Professional type, mirror stainless steel liner TMHM temperature and humidity control
    YIHENG LHS-500HC-I Constant Temperature and Humidity Chamber Professional type, mirror stainless steel liner TMHM temperature and humidity control

    The mirror stainless steel liner is easy to clean, the TMHM equilibrating conditioning method controls temperature and humidity accurately, Temperature Fluctuation +/- 0.5 ℃, Humidity deviation +/- 3% RH, with independent temperature limit alarm system.

    $ 5110.00
    YIHENG BPS-800CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber
    YIHENG BPS-800CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber

    Temperature range -10~ 100 ℃, Temperature resolution 0.1 ℃, using programmable PID controller and TMHM equilibrating Conditioning method, temperature and humidity control accurate fluctuation is small, with independent temperature limit alarm system and a variety of Safety protection functions.

    $ 7871.00
    YIHENG LHS-100CH Constant Temperature and Humidity Chamber equilibrating control, humidity control 80~ 95% RH
    YIHENG LHS-100CH Constant Temperature and Humidity Chamber equilibrating control, humidity control 80~ 95% RH

    Humidity Control Range 80~ 95% RH, Temperature resolution 0.1 ℃, Humidity deviation +/- 3% RH, Mirror stainless steel liner easy to clean, independent temperature limit alarm system to ensure safety.

    $ 1953.00
    YIHENG LHS-250HC-II Constant Temperature and Humidity Chamber Professional, Imported Sensor
    YIHENG LHS-250HC-II Constant Temperature and Humidity Chamber Professional, Imported Sensor

    Imported Humidity Sensor and Compressor, temperature control accuracy of +/- 0.5 ℃, humidity deviation +/- 3% RH, equipped with independent temperature limit alarm system and test hole to ensure the safety and reliability of the experiment.

    $ 4122.00
    YIHENG LHS-50CH Constant Temperature and Humidity Chamber Humidity Chamber
    YIHENG LHS-50CH Constant Temperature and Humidity Chamber Humidity Chamber

    Temperature range 10~ 85 ℃, humidity control 80~ 95% RH, fluorine-free environmental protection design, with independent temperature limit alarm system, mirror stainless steel liner easy to clean, Temperature resolution 0.1 ℃, stable and reliable operation.

    $ 1627.00
    YIHENG BPS-100CB Constant Temperature and Humidity Chamber Programmable Touchscreen Temperature Control -40~ 100 ℃ Humidity Control 35~ 95% RH
    YIHENG BPS-100CB Constant Temperature and Humidity Chamber Programmable Touchscreen Temperature Control -40~ 100 ℃ Humidity Control 35~ 95% RH

    Temperature range -40~ 100 ℃, humidity control 35~ 95% RH, fluorine-free design, imported stainless steel liner, support multi-stage programming and remote communication, ensure uniform and stable insulation Humidity.

    $ 5307.00
    YIHENG BPS-100CL Constant Temperature and Humidity Chamber Programmable test Chamber Temperature control -10~ 100 ℃ Humidity control 35~ 95% RH
    YIHENG BPS-100CL Constant Temperature and Humidity Chamber Programmable test Chamber Temperature control -10~ 100 ℃ Humidity control 35~ 95% RH

    Using multi-stage programmable PID controller and equilibrate Conditioning method, temperature control fluctuation high temperature +/- 0.5 ℃, humidity control deviation +/- 3% RH, with independent temperature limit alarm and a variety of protection functions.

    $ 3630.00
    HUITAI LHS-500HC Constant Temperature and Humidity Chamber environment Simulation test Chamber Temperature range -5~ 80 ℃
    HUITAI LHS-500HC Constant Temperature and Humidity Chamber environment Simulation test Chamber Temperature range -5~ 80 ℃

    Temperature range -5~ 80 ℃, Humidity deviation +/- 3% RH, mirror stainless steel liner and JAKEL circulating fan to ensure Temperature uniformity, support 99 cycle complex experimental procedures.

    $ 4663.00
    YIHENG BPS-100CA Constant Temperature and Humidity Chamber Programmable Touchscreen Test Chamber -20~ 100 ℃ Temperature Control
    YIHENG BPS-100CA Constant Temperature and Humidity Chamber Programmable Touchscreen Test Chamber -20~ 100 ℃ Temperature Control

    Temperature range -20~ 100 ℃, Temperature resolution 0.1 ℃, using TMHM equilibrating Conditioning method, temperature and humidity control accurate fluctuations, with 100 sets of program capacity and a variety of Safety protection functions.

    $ 4419.00
    YIHENG LHS-100CB Constant Temperature and Humidity Chamber Fluorine-free design, temperature control -40~ 85 ℃
    YIHENG LHS-100CB Constant Temperature and Humidity Chamber Fluorine-free design, temperature control -40~ 85 ℃

    Fluorine-free design, Temperature range -40~ 85 ℃, Humidity control 45~ 95% RH, mirror stainless steel liner easy to clean, independent temperature limit alarm system to ensure safe operation.

    $ 4843.00
    YIHENG LHS-250SC Constant Temperature and Humidity Chamber Design Temperature resolution 0.1 ℃
    YIHENG LHS-250SC Constant Temperature and Humidity Chamber Design Temperature resolution 0.1 ℃

    Temperature resolution up to 0.1 ℃, Humidity Control Range 60~ 85% RH, Mirror stainless steel liner easy to clean, independent temperature limit alarm system to ensure experimental safety.

    $ 2347.00
    ZKHS HS-800A Constant Temperature and Humidity Chamber 7.0 inch large screen temperature and humidity control
    ZKHS HS-800A Constant Temperature and Humidity Chamber 7.0 inch large screen temperature and humidity control

    Using French Taikang Compressor and multi-wing air supply circulation, Temperature Uniformity ≤ +/- 2 ℃, humidity deviation + 2-3% R.H, with independent temperature limit alarm and double-decked Glass observation window to ensure safe and reliable testing.

    $ 6367.00
    YIHENG LHS-150HC-II Constant Temperature and Humidity Chamber Professional, Imported Sensor
    YIHENG LHS-150HC-II Constant Temperature and Humidity Chamber Professional, Imported Sensor

    Using imported Sensor and TMHM equilibrating Conditioning method, temperature control accuracy of +/- 0.5 ℃, humidity control accuracy of +/- 3% RH, with independent temperature limit alarm system to ensure experimental safety.

    $ 3531.00

    Articles

    Constant temperature and humidity aging chamber for testing plastic yellowing according to GB/T 16422.3.
    This article introduces the method of testing plastic yellowing using a constant temperature and humidity aging chamber in accordance with the GB/T 16422.3 standard. Yellowing is an indication of chemical degradation in plastics caused by heat, oxygen, and humidity.
    Differential Scanning Calorimetry measures the phase transition temperature of liquid crystal polymers.
    This article introduces the method of determining the phase transition temperature of liquid crystal polymers using a differential scanning calorimeter. The differential scanning calorimeter analyzes the phase transition behavior of materials by comparing the heat difference between the sample and a reference material, recording the heat flow curve during temperature changes.
    Constant Temperature and Humidity Aging Chamber for Testing Hygrothermal Aging Performance of Composite Materials
    This article introduces how to use a constant temperature and humidity aging chamber to test the hygrothermal aging performance of composite materials. Hygrothermal aging refers to the gradual decline in material performance under the combined effects of temperature and humidity.
    Constant Temperature and Humidity Chamber for Testing Packaging Moisture and Heat Resistance
    This article introduces the method of using a constant temperature and humidity test chamber to test the resistance of packaging to heat and humidity. The test chamber simulates hot and humid environments by controlling temperature and humidity, thereby evaluating the performance changes of packaging materials.
    DSC analyzer measures the glass transition of degradable films.
    This article explains how to use a differential scanning calorimeter to measure the glass transition temperature of a degradable film. It first clarifies that the glass transition is the process by which a material changes from a glassy state to a highly elastic state, which appears as a baseline shift on the curve.
    Differential scanning calorimetry for determining the glass transition temperature of epoxy resin
    Differential scanning calorimetry analyzes the thermal properties of materials by measuring the heat flow difference between the sample and a reference material.
    Constant Temperature and Humidity Chamber Testing for Environmental Adaptability of Hot Melt Adhesive
    This article introduces the method of testing the environmental adaptability of hot melt adhesive using a constant temperature and humidity chamber. The performance of hot melt adhesive is easily affected by temperature and humidity, and the purpose of the test is to evaluate its stability under different climatic conditions.
    Differential Scanning Calorimetry for Determining the Melting Point and Glass Transition Temperature of Hot Melt Adhesives
    This article introduces the method of determining the melting point and glass transition temperature of hot-melt adhesives using a differential scanning calorimeter. Differential scanning calorimetry analyzes the thermal transition characteristics of materials by measuring the energy difference between the sample and a reference material.
    Constant Temperature and Humidity Chamber Testing for Ink Environmental Adaptability
    This article introduces the method of testing the environmental adaptability of ink using a constant temperature and humidity chamber. Ink is prone to issues such as adhesion, discoloration, or reduced adhesion when exposed to changes in temperature and humidity.
    The difference between thermal shock test chambers and constant temperature and humidity chambers
    This article compares the differences between thermal shock test chambers and constant temperature and humidity chambers in terms of working principles, key performance, and applications.
    Application of Constant Temperature and Humidity Chambers in the Electronics Industry
    A constant temperature and humidity chamber is a device capable of precisely controlling temperature and humidity, used to simulate various environmental conditions that electronic products may encounter. In the electronics industry, it is primarily employed to test the reliability of components, finished products, and processes, such as evaluating material aging or performance changes through high-temperature and high-humidity tests.
    Common Operational Fault Analysis and Daily Maintenance Strategies for Constant Temperature and Humidity Test Chambers
    This paper focuses on typical issues faced by constant temperature and humidity test chambers in practical applications, such as temperature deviations, abnormal humidity control, and blockages in the water circuit system. It delves into the underlying causes of these faults and proposes a maintenance framework centered on daily inspections and standardized operations.
    Comparison of Humidity Control Methods in Constant Temperature and Humidity Test Chambers: Wet and Dry Bulb Method vs. Electronic Sensor Method
    This article will explain the principles, advantages, and disadvantages of these two methods to help you make a more informed decision when selecting equipment.
    Technical Selection and Application of Constant Temperature and Humidity Chambers
    This article primarily discusses how to select and use a constant temperature and humidity chamber. It is mainly used to test the performance of materials and products under varying temperature and humidity conditions.