CATEGORIES

    Low Temperature Constant Humidity Chamber

    Overview Products Knowledge Standards Terms
    The low-temperature constant humidity and heat chamber maintains a set low-temperature and high-humidity environment within a sealed space through a refrigeration system and a humidification device. It is used to simulate the weather resistance of products under damp and cold conditions, commonly applied in testing fields such as electronic components and material aging.
    Selection
    When selecting, ensure the temperature range covers testing requirements, humidity control accuracy meets standards, and chamber volume accommodates sample size. Consider compressor performance to ensure cooling rate, and examine condensation drainage design. Verify program control functions and data recording methods, and check the corrosion resistance of the chamber material.
    Min-TEMP
    Max-TEMP
    Min-humidity
    Max-humidity
    volume
    Temp Uniformity
    TEMP fluctuation
    Humidity deviation
    Humidity Uniformity
    Test Types
    Cooling Method

    Terms

    Constant Temperature Heating Stirrer
    Freezing Compressor
    High and Low Temperature Constant Temperature Oil Bath
    Thermal Shock Test Chamber
    Low-temperature Wear Resistance Testing Machine
    Constant Temperature Timing Stirrer
    Low temperature constant temperature bath
    Constant temperature drying oven
    High and Low Temperature Tensile Testing Machine
    Ultra-Low Temperature Constant Temperature Water Bath

    Standards

    Incoming GB/T 46513-2025
    Electrochemical performance test of lithium ion battery cathode materials—Test method for low temperature performance
    Active GB/T 20154-2024
    Low Temperature Storage Box
    Active GB/T 15905-1995
    Rubber，vulcanized--Test method of damp heat aging
    Active GB/T 228.3-2019
    Metallic materials—Tensile testing—Part 3: Method of test at low temperature
    Active GB/T 38534-2020
    Test method for tensile properties of oriented fibre reinforced polymer matrix composite materials at ultra-low temperature
    Active GB/T 38924.7-2020
    Environmental test methods for civil small and light unmanned aircraft system—Part 7: Humidity test
    Active GB/T 38924.2-2020
    Environmental test methods for civil small and light unmanned aircraft system—Part 2: Low-temperature test
    Active GB/T 12085.23-2022
    Optics and photonics—Environmental test methods—Part 23：Low pressure combined with cold,ambient temperature and dry or damp heat
    Active GB/T 12085.22-2022
    Optics and photonics—Environmental test methods—Part 22：Combined cold,dry heat or temperature change with bump or random vibration
    Active GB/T 12085.2-2022
    Optics and photonics— Environmental test methods—Part 2: Cold, heat and humidity
    Active GB/T 4893.2-2020
    Test of Physical and Chemical Properties for Surface Coatings of Furniture — Part 2: Determination of Resistance to Damp Heat
    Active GB/T 2423.102-2008
    Environmental testing for electric and electronic products - Part 2: Test methods - Test: combined temperature(cold and heat)/low air pressure/vibration（sinusoidal）
    Active GB/T 2423.59-2008
    Environmental testing - Part 2: Test methods - Test Z/ABMFh: Combined temperature(cold and heat)/low air pressure/vibration（random）
    Active GB/T 32065.7-2015
    Environmental test methods for oceanographic instruments—Part 7：Damp heat, cyclic
    Active GB/T 32065.2-2015
    Test Methods of Oceanographic Instruments—Environmental Test Part 2: Low Temperature Test

    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
    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
    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 BPS-1000CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber Multi-stage programmable PID control
    YIHENG BPS-1000CL Constant Temperature and Humidity Chamber Programmable Humidity Chamber Multi-stage programmable PID control

    Adopt multi-stage programmable PID controller to achieve accurate temperature and Humidity control, with small fluctuations; unique air duct circulation system to ensure uniform temperature and Humidity; with 100 sets of programs and 1000 segments capacity, support RS-232 or RS-485 communication interface, easy data monitoring and remote operation.

    $ 9152.00
    YIHENG BPS-250CA Constant Temperature and Humidity Chamber Programmable test Chamber Full fluorine-free design
    YIHENG BPS-250CA Constant Temperature and Humidity Chamber Programmable test Chamber Full fluorine-free design

    Temperature range -20~ 100 ℃, Humidity deviation +/- 3% R. H, using all fluorine-free environmental protection design, multi-stage programmable PID controller to ensure accurate and stable insulation Humidity control, with independent temperature limit alarm system to ensure safety.

    $ 6194.00
    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
    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
    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-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 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
    KESIONOTS KS-HW408L Humidity Chamber 150 ℃ high and low temperature heating and humidity test
    KESIONOTS KS-HW408L Humidity Chamber 150 ℃ high and low temperature heating and humidity test

    Adopt cascade refrigeration system to achieve -70 ℃ low temperature, with 1000 segment program control capacity, support RS-232 communication interface and Chinese and English display switching, Temperature Uniformity up to +/- 1.0 ℃ and humidity fluctuation +/- 2.0% RH.

    $ 7287.00
    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
    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
    YIHENG BPS-250CL Constant Temperature and Humidity Chamber Programmable Touchscreen Fluorine Free Design
    YIHENG BPS-250CL Constant Temperature and Humidity Chamber Programmable Touchscreen Fluorine Free Design

    Adopt fluorine-free environmental protection design, Humidity Control Range 35-95% RH, input Power 2300W, with PID automatic calculation function, ensure accurate and stable thermal insulation Humidity control, equipped with multiple Safety protection systems.

    $ 5405.00

    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.
    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.
    Thermal shock test chamber measures the thermal shock resistance of polymer films.
    This article introduces how to test the thermal shock resistance of polymer films using a thermal shock test chamber. The test involves rapidly switching the film between high and low temperatures to simulate the drastic temperature changes that may occur in actual use, thereby generating thermal stress within the material.
    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.
    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.
    Humidity and heat test chamber tests the moisture absorption rate of resin under high temperature and high humidity conditions.
    This article introduces the method of using a hygrothermal test chamber to measure the moisture absorption rate of resin under high temperature and high humidity conditions.
    Humidity and Heat Test Chamber for Evaluating Coating Performance under High Temperature and High Humidity Conditions
    This article introduces how a humidity and heat test chamber is used to evaluate the performance of coatings in high-temperature and high-humidity environments. Coatings are widely used in industries such as automotive and electronics, but they are prone to issues like reduced adhesion and blistering under actual high-temperature and high-humidity conditions.
    Flash point tester for determination of closed cup flash point of varnish
    This article introduces the method for determining the closed-cup flash point of varnish using a flash point tester. The flash point refers to the minimum temperature at which the vapor on the surface of the varnish ignites momentarily when exposed to a flame after heating. It is a crucial indicator for assessing the fire risk during its production, storage, and transportation.
    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.