Photoelectric product constant temperature and humidity test chamber

Photoelectric product constant temperature and humidity test chamberIt can help test and determine the parameters and performance of electrical, electronic, and other products and materials after environmental changes such as high temperature, low temperature, alternating humidity, or constant testing. In addition, the high and low temperature humidity test box also has intelligent control, which is automated through computer systems and has safety measures such as overload protection and short circuit protection, ensuring the stability and reliability of equipment operation.

Technical Specifications:

Low temperature range optional:RT~0℃；RT~-20℃；RT~-40℃；RT~-60℃；RT~-70℃； If high temperature is required, you can choose to go to150℃。

The range of constant humidity is optional:20%~98%(Note that this range is commonly used in industry standards. If there are lower humidity requirements, please contact the business for confirmation and increase the price to make a plan.)

Low temperature fluctuation: ±0.5℃

Low temperature uniformity: ±0.2℃

Constant humidity fluctuation: ±2.0%RH

Constant humidity uniformity: ±3.0%RH

Low temperature cooling time:RT~0℃ less than30minute;RT~-20℃ less than40minute;RT~-40℃ less than60minute;RT~-60℃ less than90minute;RT~-70℃ less than100minute.

Low temperature constant humidity box structure material:

The inner box adopts:SUS#304Non steel plate, with good corrosion resistance, heat resistance, low temperature strength, and mechanical properties; Good hot workability such as stamping and bending, without heat treatment hardening phenomenon (non-magnetic, operating temperature -196 ℃~800 ℃).

The outer box adopts:SUS#304Not made of steel plate or high-temperature baked paint (not easily peeled off or discolored after high-temperature baking)

Insulation layer: rigid polyurethane foam

Standard configuration: Viewing window（36×26cm）Test hole (φ)50×1Can only add or increase the aperture), sample compartment rack comes standard2If you need more layers, please specify when placing the order.

Photoelectric product constant temperature and humidity test chamberSecurity protection system

Leakage/Surge Prevention Protection: Leakage Circuit Breaker Leakage Protection FUSE. RC Electronic Surge Prevention Protection

Internal self automatic detection and protection device of the controller

A. Detection of data transmission between microcomputers

B. Temperature/humidity sensor open circuit or short circuit (+- OVER)

C. High temperature over temperature protection: operation control temperature high and low temperature over temperature protection settings

D. Overtemperature protection in the testing area: Install an overtemperature protection device to prevent damage to the test sample due to excessive temperature caused by abnormal conditions in the controller.

Fault detection control interface: external fault automatic detection and protection device

A. Water cut and air burn protection: humidity water cut and air burn protection and electric heating water cut and air burn protection

B. Compressor protection: refrigerant pressure protection and overload protection device

C. Expansion protection device: Reserve two sets of fault detection input for expansion protection device use

Fault abnormality protection: Cut off the control power supply and output signals for fault cause indication and alarm when a fault abnormality occurs

Active water shortage prompt: The machine's water tank is actively prompted for water shortage

Dynamic high and low temperature protection: Adjust the high and low temperature protection values dynamically according to the set conditions

Abnormal water supply alarm: Abnormal pumping alarm of humidity system water cup