A Humidity Freeze Test Chamber is a precision testing instrument designed to simulate alternating cycles of freezing temperatures and controlled humidity levels within a sealed environment.
The humidity freeze tester is an advanced environmental testing system to evaluate the reliability, durability, and performance consistency of materials or products when exposed to repetitive freezing and humid conditions. The chamber helps analyze how variations in temperature and relative humidity impact the physical, mechanical, and structural integrity of the specimen after multiple test cycles.
Presto Enviro is a leading humidity freeze test chamber manufacturer and supplier in India. For the best price, contact us for a quote or call now!
Utilizing sophisticated microprocessor-based controls, this highly programmable chamber enables users to program numerous test sequences, including freeze–thaw cycles, humidity ramping, condensation to exposure and temperature–humidity combined stress. Regular testing can identify changes in dimensional stability, surface finish, electrical performance, and product quality.
The Humidity Freeze Test Chamber is manufactured in accordance with internationally prominent standards including IEC, JIS, AST, ISO, and DIN to ensure reliable testing with worldwide acceptance.
Also known as a Climatic Humidity and Freeze Chamber, it determines how combined low temperature and high humidity cycles affect the durability and operational characteristics of components and finished goods.
Upon test completion, results help engineers identify design weaknesses and improve material formulations for enhanced performance, long-term stability, and environmental resistance.
The TechMaster Touch Interface integrates an intelligent auto-control system for precise management of humidity and freeze conditions.
The Humidity Freeze Test Chamber comes with a comprehensive Test Guardian Protection System, ensuring operator safety and instrument reliability at all times:
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Model |
PTH-150 |
PTH-300 |
PTH-600 |
PTH-1000 |
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Temperature |
Temperature range |
-70℃~180℃(A - 40℃~180℃; B - 70℃~180℃) | |||||
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Temperature Accuracy |
±0.1°C to ±1.2°C measured at control sensor Resolution: 0.1°C | ||||||
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Temperature Uniformity |
< 1000 Litres: ≤1.5°C. 1000 to 2000 Litres: ≤2.0°C. > 2000 Litres: ≤2.5°C. | ||||||
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Ramp rate |
Heating & Cooling: 5°C/min average as per IEC 60068 3-5 for above temperature range Measured at control sensor between +155°C to -45°C in an empty chamber | ||||||
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Temperature |
Heating & Cooling: 3°C/min linear from +120°C to -40°C in an empty chamber | ||||||
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Humidity |
Humidity range |
10.0%RH~98.0%RH | |||||
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Humidity fluctuation |
±1.0% RH | ||||||
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Humidity uniformity |
±2.0%RH | ||||||
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Material |
Internal material |
SUS304 stainless steel(1.2mm) | |||||
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External material |
Cold-rolled plate(1.2mm), powder coating | ||||||
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Heat insulation |
Poly urethane foam(100mm) +glass wool(10mm) | ||||||
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Fan |
Centrifugal fan (Impeller Fan) | ||||||
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Refrigeration compressor |
Hermetic compressor | ||||||
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Cooling mode |
Air cooling or Water cooling | ||||||
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Refrigerant |
R449A, R23, R508 | ||||||
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Evaporator |
Finned-tube exchanger | ||||||
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Heater |
Nickel chrome strip heater | ||||||
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Humidifier |
Steam Humidifier | ||||||
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Size |
Interior size(mm) W*H*D |
500*400*700 |
650*600*800 |
800*850*900 |
1000*1000*1000 |
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Outer size(mm) W*H*D |
700*1670*1275 |
700*1880*1290 |
1000*1950*1400 |
1200*2050*1780 |
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Volume (L) |
150L |
300L |
600L |
1000L |
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Weight (kg) |
380 |
450 |
680 |
840 |
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Working Temperature |
+5 ~ 35℃ | ||||||
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Power supply |
220V AC 50/60Hz 31A |
220V AC 50/60Hz 33A |
380V AC 50/60Hz 25A |
380V AC 50/60Hz 27A |
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A Humidity Freeze Test Chamber operates by alternately exposing a product to low-temperature freezing and high-humidity conditions. Using a precise temperature–humidity control mechanism, the chamber replicates real environmental cycles to assess how materials react to moisture absorption, expansion, and contraction. The test helps manufacturers evaluate a product’s ability to withstand condensation, icing, and thawing without performance degradation.
Humidity freeze test chamber price ranges from INR 5 lakhs to 30 lakhs in India. The cost depends on internal volume, temperature & humidity range, cooling type, and controller sophistication.
To choose a verified humidity freeze test chamber manufacturer, always look for suppliers who offer the following services:
Presto Enviro is among India’s leading and verified suppliers of high-performance humidity and freeze testing chambers.
Depending on test requirements, these chambers come in various configurations:
It is used to determine a product’s ability to endure extreme humidity and freeze cycles. The test evaluates a material’s dimensional stability, adhesion strength, and mechanical performance under fluctuating moisture and temperature conditions, making it an essential tool for automotive, electronics, aerospace, and material research industries.
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