CATEGORIES

    Alternating Constant Temperature and Humidity Test Chamber

    Overview Products Knowledge Standards Terms
    The alternating constant temperature and humidity test chamber simulates different temperature and humidity environments in 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 that the temperature range should cover testing requirements, humidity control accuracy must meet standards, the chamber volume should accommodate sample sizes, and the equipment should have reliable safety protection and data recording functions, while also ensuring long-term operational stability and maintenance convenience.
    Min-TEMP
    Max-TEMP
    Min-humidity
    Max-humidity
    volume
    Temp Uniformity
    TEMP fluctuation
    Humidity deviation
    Humidity Uniformity
    Test Types
    Cooling Method

    Terms

    Constant Temperature and Humidity Test Chamber
    Condensation Test Chamber
    Fatigue testing
    High and low temperature humidity vibration combined environmental test chamber
    Temperature and Humidity Cycling Test Chamber
    Mold incubator
    ET eddy current flaw detector

    Standards

    Active GB/T 32065.7-2015
    Environmental test methods for oceanographic instruments—Part 7：Damp heat, cyclic
    Active GB/T 2423.4-2008
    Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat，cyclic ( 12h+12h cycle)
    Active GB/T 2423.18-2021
    Environmental testing—Part 2: Test methods—Test Kb:Salt mist, cyclic（sodium chloride solution）

    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
    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
    Lugong ST-1000LA Humidity Chamber high and low temperature heating and humidity alternating Environmental performance equipment
    Lugong ST-1000LA Humidity Chamber high and low temperature heating and humidity alternating Environmental performance equipment

    Using Japan's Panasonic Compressor and the United States DuPont environmental protection refrigerant, temperature control accuracy of +/- 0.5 ℃, Temperature resolution 0.01 ℃, with program control and Data storage functions, support high temperature, low temperature and heat and humidity alternating test.

    $ 5479.00
    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
    APKJ AP-HX-150D programmable Humidity Chamber high and low temperature alternating environment test
    APKJ AP-HX-150D programmable Humidity Chamber high and low temperature alternating environment test

    Temperature range -60~ 150 ℃, humidity control 20~ 98% RH, multi-wing air supply circulation to ensure uniform temperature and humidity, support LAN interface remote monitoring and data export.

    $ 6383.00
    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
    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 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 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
    APKJ AP-HX-150B programmable Humidity Chamber high and low temperature alternating environment test
    APKJ AP-HX-150B programmable Humidity Chamber high and low temperature alternating environment test

    The 7-inch touch controller supports 120 program settings, is equipped with a multi-wing air supply system to ensure a uniform temperature and humidity of +/- 2 ° C, and has a LAN interface to realize computer remote control and data recording functions.

    $ 4672.00
    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

    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.
    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.
    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.
    Eddy current thickness gauge measures metal coatings on non-conductive substrates.
    The eddy current thickness gauge utilizes the principle of electromagnetic induction, generating an alternating magnetic field through the probe coil to induce eddy currents in the metal coating, thereby measuring thickness based on changes in coil impedance.
    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.
    Eddy current thickness gauge detects coatings on non-ferrous metals.
    The eddy current thickness gauge operates on the principle of electromagnetic induction, generating an alternating magnetic field through the probe coil, which induces eddy currents on the surface of non-ferrous metal substrates.
    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 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.
    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.