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High Low Temperature and Humidity Test Chamber

The high low temperature and humidity test chamber can simulate a broad spectrum of environmental conditions, ranging from -70 °C, -40 °C, and -20 °C up to +150 °C, with humidity levels adjustable between 20%RH and 98%RH. This enables precise evaluation of a product’s functionality and lifespan. Furthermore, the chamber can be combined with T&TH testing, vibration, corrosion, low-pressure, and other comprehensive climate tests, and it is also suitable for use as a calibration chamber.
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1. Operational Efficiency: The  high low temperature and humidity test chamber is equipped with a PID touchscreen controller supporting up to 120 programs with 100 steps each, allowing precise, automated testing. Remote monitoring via Ethernet or USB enables real-time data logging and one-click report export, saving time and reducing errors. Its quiet operation (below 65 dB(A)) ensures a comfortable testing environment, making it suitable for laboratories, clean rooms, or office settings. With these features, operators can easily run complex test cycles efficiently while maintaining full control over test parameters.

2. Durability and Safety: The temperature and humidity test chamber interior is made of SUS304 stainless steel, resisting corrosion and maintaining structural integrity under high humidity. The exterior uses 4 mm A3 steel with powder coating, providing industrial-grade durability. Comprehensive safety systems—including leakage current protection, grounding, phase monitoring, and over-temperature shutdown—ensure both operator and equipment safety. These robust materials and protective systems guarantee long-term reliability even in demanding testing environments.

3. Standards Compliance: This  temperature humidity test chamber meets a wide range of international testing standards, providing confidence in test results. It supports battery testing standards such as UL 2580, UL 2271, IEC 62660-2, and SAE J2929; photovoltaic module testing per IEC 61215; automotive testing including SAE J2334 and VW 80000; and luminaire material testing under IEC 62717. Compliance with these standards ensures that products tested in this chamber meet regulatory and industry requirements across multiple sectors.

4. Test Precision and Repeatability: The humidity test chamber guarantees temperature stability within ±0.5 °C and a maximum deviation of ±2 °C. Humidity can be maintained between 20 % and 98 % RH with ±2.5 % accuracy. Fast ramp rates allow heating at 3 °C/min and cooling at 1 °C/min, customizable up to 20 °C/min. High-accuracy PT100 Class A sensors with ±0.001 °C resolution ensure every test is precise and repeatable. These features provide reliable and reproducible results for demanding laboratory and production testing.


Technical Parameters

Model

TH-100

TH-225

TH-500

TH-800

TH-1000

Internal Dimension (mm)

400*500*500

500*600*750

700*800*900

800*1000*1000

1000*1000*1000

Overall Dimension (mm)

900*1050*1620

1000*1140*1870

1200*1340*2020

1300*1540*2120

1500*1540*2140

Interior Volume

100L

225L

500L

800L

1000L

Heat load

1000W

Temperature Range

A : -20℃ ~ +150 ℃

B : -40℃ ~ +150 ℃

C: -70℃ ~ +150 ℃

Temperature Fluctuation

± 0.5 ℃

Temperature Deviation

± 2.0 ℃

Humidity Range

20% ~ 98% RH

Humidity Deviation

± 2.5% RH

Cooling Rate

1 ℃ / min

Heating Rate

3 ℃ / min

Cooling system

Mechanical compression refrigeration system

Controller

Programmable color LCD touch screen controller,Ethernet connection, PC Link

Water supply system

Automatic water supply,Water purification system

Safety Device

Humidifier dry-combustion protection; over-temperature protection; over-current protection; Refrigerant high-pressure protection; Water shortage protection; Earth leakage protection

Exterior Material

Steel Plate with protective coating

Interior Material

SUS304 stainless steel


Product Operate Guide

The operation of the  temperature and humidity environmental chamber requires careful attention to ensure accurate and reliable test results. Before starting, turn on the main power and verify all connections. Set the desired temperature, humidity, and ramp rates on the touchscreen controller. Load samples evenly, avoiding contact with chamber walls. During testing, monitor temperature and humidity continuously, ensuring they remain within programmed limits. After each cycle, clean the chamber interior and remove any spills. Regular checks and proper handling improve performance, maintain equipment longevity, and ensure operator safety.


Product Video


FAQ

Q1: How is the Temperature Humidity Test Chamber calibrated?

A: Factory calibration starts after assembly and includes temperature and humidity calibration. Nine temperature probes are placed inside to cover key points. Average readings are compared to standards, and hardware adjustments are made to ensure uniform temperature. Humidity is calibrated using the dry/wet bulb method, with hardware adjustments to reach standard values, ensuring accurate and reproducible testing.

Q2: What refrigerant is used in Europe? According to the latest European refrigerant regulations, can CO₂ refrigerant be used?

A: According to the European refrigerant regulations effective from January 1, 2024, the refrigerant used in temperature and humidity test chamber must have a GWP (Global Warming Potential) of 150 or lower. The refrigerant used in LIB Temperature Humidity Test Chambers fully meets this requirement, ensuring environmental friendliness and regulatory compliance. CO₂ refrigerant belongs to a different system technology and cannot be directly used to replace the current refrigerant in our equipment.


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