Temperature Test Chamber

Features：It is mainly used to simulate high and low temperature environments, and can achieve cyclic changes or constant control of temperature. It does not have humidity control function.

Temperature range：generally from -40℃ to 150℃, Customizable -70°C.

Heating and cooling rate：The heating rate was 3℃/min and the cooling rate was 1℃/min.

Application Scenario：It is commonly used for storage and performance testing of electronic, electrical, communication, metal, plastic and other products under high and low temperature conditions.

Cost Price：The structure and function are relatively simple, the price is relatively low, and the operating cost is relatively low.

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Electronics

The accelerometer in the mobile phone is tested for low temperature startup.

The mobile phone is placed in a professional high and low temperature test chamber and tested at -20°C or even lower. If the accelerometer is found to have low temperature startup problems, optimization and improvement will be made in terms of material selection, circuit design, packaging process, etc. to ensure that the product can be used normally in various low temperature environments.

Materials

Optical glass refractive index, transmittance, dispersion and other tests at different temperatures.

High temperature may change the refractive index of optical glass, resulting in changes in the light propagation path and affecting the imaging quality; at low temperatures, the light transmittance of glass may decrease, reducing the luminous flux of the optical system.Improvements can be made in three aspects: material formulation optimization, manufacturing process improvement and optical system design adjustment.

New Energy Batteries

High and low temperature charging and discharging performance test of new energy batteries.

Under set high and low temperature environments, the battery is charged and discharged, and parameters such as charging time, charging efficiency, discharge capacity, discharge platform, and energy output are recorded to evaluate the battery’s charging and discharging capabilities at different temperatures.This can be improved by optimizing battery materials, improving battery structure design, perfecting battery management system and adopting external environment control.

Rubber Plastics

Test the performance changes of automobile interior plastic parts, rubber sealing strips, etc. at high and low temperatures, such as whether the plastic becomes brittle at low temperatures, whether the rubber loses its elasticity, and whether deformation and fading occur at high temperatures.

It can start from material selection, formula optimization, processing technology improvement and design optimization.

Chip Semiconductor

Conduct temperature tests on industrial IoT sensor chips to ensure that the sensors can work normally and data is accurately transmitted in the high and low temperature environments of industrial production.

Chips can be improved in terms of chip design, material selection, manufacturing process and test optimization.

Biomedical

When packaging food or medicine at high temperatures, the gas inside the packaging expands, which may cause leakage at the seal; when packaging materials shrink at low temperatures, it may also affect the sealing effec.

This can be done from aspects such as packaging material selection, sealing structure design, production process optimization, and quality inspection improvement.

Selection criteria when buying a temperature test chamber

What is the temperature range?

Different types of high and low temperature test chambers have different temperature ranges. Common low temperatures can reach -70°C and high temperatures can reach +150°C. Understanding this indicator can help you determine whether it meets your own test needs.

How to ensure temperature uniformity?

Uniformity is related to the accuracy of the test results. Generally, an air circulation system is used, such as reasonably designing the air duct and using fans to promote air circulation, to ensure uniform temperature in the box. The common indicator is within ±2℃.

What is the range of temperature fluctuation that can be controlled?

The fluctuation reflects the temperature stability and is usually required to be controlled within ±0.5℃. Excessive fluctuation will affect the test accuracy.

What is the heating and cooling rate?

The heating and cooling rate affects the test efficiency, which is generally 1℃ - 3℃/minute. The rapid heating and cooling test chamber has a faster rate and can meet the tests that require a high temperature change rate.

Specifications

model	PW-CTH80-40	PW-CTH100-40	PW-CTH150-40	PW-CTH225-40	PW-CTH408-40	PW-CTH1000-40
Volume (L)	80L	100L	150L	225L	408L	1000L
a	400	500	500	600	800	1000
b	400	400	500	500	600	1000
c	500	500	600	750	850	1000
A	680	700	800	700	1000	1200
B	1200	1310	1410	1410	1510	1910
C	1620	1455	1570	1705	1680	1900
Total Power	About 5KW	About 6KW	About 6.5KW	About 7KW	About 8KW	About 10KW
Voltage V	220	220	220	380	380	380