Walk in high and low temperature chamber, high and low temperature test chamber

1、 National standard execution standard for test chamber:

GB2423.34-86, MIL-STD883C Method 1004.2 Temperature and Humidity Combined Cycle Test.

GB2423.2-89GB2423.2-89 Basic Environmental Test Procedures for Electrical and Electronic Products

GB/T2423.4-93 Basic Environmental Testing Procedures for Electrical and Electronic Products - Test Db: Alternating Damp Heat Test Method

GB2423.1-89 Basic environmental testing procedures for electrical and electronic products - Test A - Low temperature test method

GB/T2423.3-93 "Basic Environmental Testing Procedures for Electrical and Electronic Products - Test Ca: Constant Damp Heat Test Method"

GB/T10586-89 Technical Conditions for Damp Heat Test Chamber

GB-T5170.2-2008_ Inspection methods for environmental testing equipment for electrical and electronic products

GB-T5170.5-2008_ Inspection methods for environmental testing equipment for electrical and electronic products

GB/T10589-1989 Technical conditions for low-temperature test chambers;

GB/T10586-1989 Technical Conditions for Damp Heat Test Chamber;

GB/T10592-1989 Technical conditions for high and low temperature test chambers;

GB8624-1997<<Classification Method for Combustion Performance of Building Materials>>

2、 Product Overview

The walk-in high and low temperature box is mainly used for testing products under the combination of climate, environment, temperature and humidity conditions. For detecting the improvement data of products in terms of their own adaptability and characteristics, the controller can be connected to a computer, and users can design programs on the computer to collect testing data and records. The studio size is 3000 * 2000 * 2500 (mm), with a temperature range of -40~80 (℃), temperature fluctuation ± 0.5 (℃), temperature uniformity ± 3.0 (%), and PID control. The SSR is suitable for electrical and electronic products, components, parts, metal materials and their products

A horizontal diffusion vertical heat exchange circulation system using multi wing centrifugal air supply method is adopted to avoid any dead corners and achieve uniform indoor temperature and humidity distribution.

The material of the storage board is made of stainless steel and heat-resistant steel plate baked paint, with polyurethane foam in the middle. The structure is sturdy, resistant to high and low temperatures, waterproof, and beautiful.

The refrigeration unit adopts European and American compressors and uses environmentally friendly refrigerants. The refrigeration system adopts a binary low-temperature circuit system design and uses different compressors to work in different temperature ranges to prolong the service life of the equipment.

3、 Technical indicators:

1. External test hole: 1

2. High density ultra-fine glass fiber insulation cotton

3. Anti sweat components: Doors and windows have heating and anti sweat treatment function

4. Stainless steel 316L finned heat dissipation tube electric heater

5. Humidifier: Shallow groove stainless steel humidifier, fast and stable control, automatic water replenishment function for supplying humidification water

6. Controller: * Programmable LCD temperature and humidity controller (TEMI880 from South Korea).

7. Refrigeration system: air-cooled refrigeration system.

8. Condenser: air-cooled condenser

9. Studio size: W400 × H500 × L500 mm, outer box size: 950X930X1650 mm

10. Temperature range: -40 ℃ to 150 ℃

11. Humidity range: 25-98% R.H

12. Temperature uniformity: ± 2 ℃, fluctuation: ± 0.5 ℃

13. Humidity uniformity: ± 2% R · H fluctuation: ± 2% R · H

14. Heating rate: about 3-5 ℃/min, cooling rate: about 0.7-1.5 ℃/min

15. The inner box is made of SUS304 high junction stainless steel, with a two-layer stainless steel mesh test bracket, and the outer box is made of SUS304 high junction stainless steel;

16. Test and observe one door and window

17. The movement time of the cold and hot shock mechanism is 8 seconds, which can comply with MIL, IEC, JIS specifications

18. The switching time of the wind direction gate mechanism is within 10 seconds

19. The temperature recovery time for cold and hot shock is within 5 minutes, which meets the relevant test specifications

20. Institutional and high-efficiency refrigeration machinery design

21. HFC environmentally friendly refrigerant, SWEP plate heat exchanger, binary refrigeration system

22. Sensor detection and control of air outlet and return air outlet

23. Server Valve dynamic automatic load control

24. Test range from 150 (60) ℃ to (-10) -65 ℃

25. USB can store backup programs and record test curve data, and curve analysis can be performed on a PC

Walk in test chamber(Adjustable high and low temperature)

4、 The advantages of low-temperature cooling and heating:

Traditional equipment low-temperature control method: start stop control temperature of refrigeration compressor (temperature fluctuation is large, seriously affecting compressor life, outdated technology), constant operation of refrigeration compressor, heating PID control (causing the cooling capacity to cancel out with heating to achieve dynamic temperature balance, wasting a large amount of electrical energy), new PWM refrigeration control technology to achieve low-temperature energy-saving operation: in low-temperature working state, the heater does not participate in the work, and the refrigerant flow and direction of the refrigeration unit are controlled and adjusted through PWM technology, and the three-way flow of the refrigeration pipeline, cold bypass pipeline, and hot bypass pipeline are adjusted to achieve automatic constant working room temperature. This method can achieve a 40% reduction in energy consumption under low-temperature conditions. Temperature range: 0 ℃, -20 ℃, -40 ℃, -60 ℃, -70 ℃~150 ℃; 20%-98%R.H 6、 Temperature and humidity control accuracy: ± 0.2 ℃; ± 2.5% RH 7. Uniformity inside the temperature and humidity chamber: ± 0.5 ℃~± 0.2 ℃; ±4.0%RH

5、 Main products:

High and low temperature laboratory/vibration test bench/rust proof grease wet heat test chamber/precision drying test chamber/high temperature chamber/vacuum oven/drug stability test chamber/desktop xenon lamp aging test chamber/salt spray constant temperature and humidity high temperature test chamber/temperature aging chamber/salt spray test chamber/high and low temperature test chamber/constant temperature and humidity test chamber/temperature and humidity vibration test chamber/salt spray test chamber/sulfur dioxide test chamber/high and low temperature test chamber/high temperature test chamber/low temperature test chamber/temperature impact test chamber/constant temperature and humidity test chamber/large walk-in test chamber/ultraviolet weather resistance test chamber/xenon lamp test chamber/ventilated aging test chamber/sand and dust test chamber/box type rain test chamber/swinging tube rain test device/drip test Device/Ozone Aging Test Chamber/Mold Test Chamber/Salt Spray Test Laboratory/