CATEGORIES

    Solution Constant Temperature and Humidity Test Chamber

    Overview Products Knowledge Standards Terms
    The solution constant temperature and humidity test chamber maintains a set temperature and humidity environment within an enclosed space through its temperature control system and humidity regulation device. It is used to simulate the stability testing of solutions under specific temperature and humidity conditions, and is applied in the chemical and material industries for verifying product weather resistance and storage conditions.
    Selection
    When selecting, consider that the temperature and humidity range should cover testing requirements, control accuracy should match sample sensitivity, the chamber material should be corrosion-resistant and easy to clean, the volume should accommodate sample dimensions, energy consumption and maintenance costs should align with usage frequency, and safety protection features should be comprehensive.
    Min-TEMP
    Max-TEMP
    Min-humidity
    Max-humidity
    volume
    Temp Uniformity
    TEMP fluctuation
    Humidity deviation
    Humidity Uniformity
    Test Types
    Cooling Method

    Terms

    Desktop Salinity Meter
    Pen-type TDS meter
    Automatic Brix Meter
    Ion monitor
    TDS Conductivity Meter Pen
    Portable Salinity Meter
    Spin Coater
    Brix Refractometer
    Dispersion Homogenization Emulsifier
    Multi-parameter Ion Meter

    Standards

    Active GB/T 46230-2025
    Solution-polymerized SBR—Evaluation methods of viscoelastic properties
    Active GB/T 1632.1-2024
    Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 1: General principles
    Incoming GB/T 3671.1-2025
    Determination of application solubility and solution stability of water-soluble dyes
    Active GB/T 3671.1-1996
    Determination of application solubility and solution stability of water-soluble dyes
    Active GB/T 26812-2011
    Preparation method of reference solutions for the measurement of ion selective electrodes
    Active GB/T 27503-2011
    Test solutions of electrolytic conductivity analyzer - Preparation method of sodium chloride solutions
    Active GB/T 27502-2011
    Preparation method of reference solutions for the measurement of conductivity
    Active GB/T 27501-2011
    Preparation method of buffer solutions for the measurement of pH value
    Active GB/T 39630-2020
    Colloidal solution of silver nanoparticles
    Active GB/T 1632.5-2008
    Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 5 : Thermoplastic polyester(TP) homopolymers and copolymers
    Active GB/T 3401-2007
    Determination of the viscosity of Poly(vinyl chloride) resins in dilute solution using capillary viscometers
    Active GB/T 1632.3-2010
    Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometer - part3: Polyethylenes and polypropylenes
    Active GB/T 1632.4-2020
    Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials
    Incoming GB/T 1632.2-2025
    Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 2: Poly(vinyl chloride) resins
    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 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 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-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
    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
    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
    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-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-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
    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
    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

    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.
    UV spectrophotometer for measuring residual monomers in polymer solutions.
    This article introduces a method for determining residual monomers in polymer solutions using ultraviolet spectrophotometry. The principle relies on the characteristic absorption of monomers in the ultraviolet region, calculating their content based on the relationship between absorbance and concentration.
    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.
    Blade-coating preparation of hole transport layers for perovskite solar cells.
    This article introduces the method of preparing the hole transport layer for perovskite solar cells using the doctor-blade coating technique. The doctor-blade coating method involves spreading the solution evenly on the substrate with a blade to form a thin film, making it suitable for large-scale production.
    The coating machine applies the OLED light-emitting layer onto ITO glass.
    This article introduces the technique of using a coating machine to apply OLED luminescent layers onto ITO glass. The coating principle involves matching solution rheology with substrate surface energy, allowing control over film thickness by adjusting parameters such as viscosity and speed.
    Preparation of metal thin films by the coating method for mechanical property studies.
    This paper discusses the key process parameters in the preparation of metal thin films using a film coater and their effects on mechanical properties. The film coater forms metal thin films on a substrate through solution deposition, with its uniformity and repeatability directly influencing film quality.
    Determination of Transmittance of Resin Solutions Using UV-Visible Spectrophotometer
    This article introduces the method of measuring the transmittance of resin solutions using a UV-Vis spectrophotometer.
    Determination of free amino acid content in protein solutions using a microtitration apparatus.
    This article introduces a method for determining the free amino acid content in protein solutions using a microtiter plate reader. It is based on the ninhydrin color reaction, where amino acids react with the reagent under specific conditions to produce colored compounds, and the concentration is calculated by measuring the absorbance.
    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.
    Conductivity meter detects ion impurity content in coatings.
    This article introduces the method of using a conductivity meter to detect the content of ionic impurities in coatings. The principle involves measuring the conductivity of the coating solution to indirectly assess the total amount of ionic impurities, as conductivity is related to ion concentration. The detection steps include sample preparation, instrument calibration, measurement, and data analysis.
    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.
    Salt spray test chamber detects the corrosion resistance of coatings.
    The salt spray test chamber accelerates the testing of coating corrosion resistance by simulating a salty and humid environment. It uses atomized sodium chloride solution to form salt spray, which settles inside the constant temperature chamber, and conducts tests under neutral or acidic conditions in accordance with standards.
    UV-Vis Spectrophotometer Measures Ink Pigment Concentration
    This article introduces the method of measuring the concentration of ink pigments using a UV-Vis spectrophotometer. The principle is based on the Lambert-Beer law, which calculates the concentration by measuring the absorbance of the pigment solution at specific wavelengths.
    Applicable Scenarios for Neutral Salt Spray and Copper-Accelerated Acetic Acid Salt Spray Tests
    Neutral salt spray testing and copper-accelerated acetic acid salt spray testing are both accelerated methods used to evaluate the corrosion resistance of materials, simulating saline environments to predict long-term performance. The neutral salt spray test uses a neutral sodium chloride solution, which causes relatively mild corrosion and is suitable for general metals and coatings, such as automotive parts.