Temperature Humidity Calibration Chamber
Ensuring precise calibration of temperature and humidity sensors is essential for maintaining quality standards in industries like aerospace, electronics, and so on.
LIB's Temperature Humidity Calibration Chamber delivers highly stable, reliable, and precise environmental conditions to validate and certify your measurement devices in compliance with international standards like IEC 17025
【How to Calibrate Your Instruments with LIB's Temperature Humidity Calibration Chamber】

Wide-Range Temperature Calibration Capability for Extreme Environmental Simulation
LIB's Temperature Humidity Calibration Chambers offer three configurations: Model A: –20 °C to +150 °C, Model B: –40 °C to +150 °C, and Model C: –70 °C to +150 °C. LIB's offer an extensive range of low-temperature options, including -20 °C, -40 °C, -60 °C, -70 °C, and even -86 °C. This flexibility allows precise calibration and testing under extreme cold conditions, simulating real-world environments faced by military, automotive, and so on.
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Model |
TH-100 |
TH-225 |
TH-500 |
TH-800 |
TH-1000 |
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Internal Dimension (mm) |
400*500*500 |
500*600*750 |
700*800*900 |
800*1000*1000 |
1000*1000*1000 |
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Overall Dimension (mm) |
900*1050*1620 |
1000*1150*1860 |
1200*1350*2010 |
1300*1550*2110 |
1500*1550*2110 |
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Interior Volume |
100L |
225L |
500L |
800L |
1000L |
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Temperature Range |
A : -20℃ ~ +150 ℃ B : -40℃ ~ +150 ℃ C: -70℃ ~ +150 ℃ |
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Temperature Fluctuation |
± 0.5 ℃ |
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Temperature Deviation |
± 2.0 ℃ |
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Humidity Range |
20% ~ 98% RH |
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Humidity Deviation |
± 2.5% RH |
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Cooling Rate |
1 ℃ / min |
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Heating Rate |
3 ℃ / min |
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Extensive Temperature and Humidity Control
Humidity control spans from 20 % RH to 98 % RH, allowing the chamber to simulate both dry and high-humidity environments with precision. Integrated with high-precision PT100 Class A sensors offering ±0.001 °C accuracy, the system ensures exceptionally stable and accurate temperature and humidity conditions. This advanced capability enables precise calibration of humidity-sensitive instruments such as sensor under real-world environmental extremes.
Exceptional Calibration Stability and Accuracy
The temperature fluctuation is ±0.5 °C with a temperature deviation of ±2.0 °C, and the humidity deviation is ±2.5% RH. This helps you get consistent and reliable calibration results every time. The precise settings keep the data steady at each step, making it easier to meet international standards and pass audits.
Uniform Environmental Conditions through Optimized Airflow
An integrated centrifugal fan ensures consistent temperature and humidity distribution. It eliminate hot/cold or dry/wet spots inside the chamber. This uniformity ensures that all test items are exposed to the same controlled environment, improving overall calibration accuracy and reliability.

Durable Materials for Long-Term Use
The interior of the unit is made of SUS304 stainless steel, while the exterior is constructed from A3 steel with a durable plastic coating. This combination is specifically designed to handle the demanding conditions of laboratory environments. The stainless steel interior offers excellent corrosion resistance and is easy to clean, while the coated steel exterior adds extra durability. Together, these features help reduce maintenance needs and extend the product's service life, providing long-term value and reliability for users.
Efficient and Automotive Water-Saving Circulation System
The chamber is equipped with an advanced water-saving circulation system designed to minimize water consumption during humidity control processes. This environmentally friendly system recycles water efficiently without compromising humidity stability or calibration accuracy. Significantly reduces operational costs related to water usage and maintenance, while maintaining precise and stable humidity conditions for long-term, sustainable calibration workflows.
Advanced PID Controller for Calibration
The advanced temperature and humidity controller features a 7-inch color touchscreen with PID programming, supporting up to 120 programs with 100 steps each. It allows precise control of environmental conditions and real-time monitoring, making it ideal for running complex calibration sequences. With multi-language support and remote access via Ethernet, it helps reduce manual effort, minimize errors, and improve calibration efficiency.
LIB's reliable and Efficient Services
Customized service: Support customized sample holders and test procedures, adapting to different sample sizes and standards.
Diverse Testing Solutions: LIB's environmental simulation test chamber simulates various conditions like temperature, humidity, salt spray, light, vibration, and toxic gases to comprehensively verify product reliability and durability in extreme environments.
Efficient Global service: 3-year warranty life-long service, equipment problems can not be solved free of charge to send a new test chamber. 24 hours of technical professional English team after-sales service, lifelong maintenance of equipment, spare parts global speed. Spare parts are stocked, with fast shipping in 7–15 days and full guidance for secure delivery and installation.
Choose LIB's Temperature Humidity Calibration Chamber to easily create stable temperature and humidity conditions, quick environmental changes, and long calibration tests. Making sure your samples like sensors and devices are accurately and reliably calibrated. Contact us now for a calibration solution tailored to your needs!





