Programmable Enviromental Test Chamber for TV Video Equipment

System Overview:

This programmable temperature chamber is required by IEC 62368-1:2018 clause 4.1.4, Y4.4, Y6.2, etc.

This test chamber is used for cold, heat, humidity and dryness testing of raw materials and devices such as electronics, electricians, electrical appliances, plastics, etc. The purpose is to confirm the products reliability of storage and transportation under high and low temperature alternating heat and humidity.

It conforms to standards:

IEC60068-2-1:2007 “Environmental Testing-Part 2-1: Tests-Test A: Cold, IDT”

IEC60068-2-2:2007 “Environmental Testing-Part 2-1: Tests- Test B-Dry heat, IDT”

IEC60068-2-78:2012 “Environmental Testing-Part 2-78: Tests-Test Cab: Damp heat, steady state, IDT”

IEC60068-2-30:2005 “Environmental Testing-Part 2-30: Tests-Test Db: Damp heat, cyclic (12h+12h cycle), IDT”

Features:

1. The test system has advanced and reasonable structural design, standardized manufacturing process, beautiful appearance and generous appearance.
2. The main functional components of the test chamber are world famous branded ones. The test chamber has best control of noise and energy saving.
3. The matching of components and assembly is good. The main functional components are imported from the internationally branded companies, which improves the safety and reliability of the test chamber, and can ensure the long-term, high-frequency usage purposes.
4. The equipment has good operability, maintainability, good temperature stability and durability, good safety performance. It does not pollute the environment and endanger human health.

Volume, size and weight
Nominal content volume	2880L (can be customized)
Inner chamber size	W 2400×D 800×H 1500 (mm)
External dimensions	Approx. W3100×D1320×H2100 (mm)
Weight	Approx. (1500) KG
Performance
Temperature range	-40 ℃～+85℃ (C type) Air-cooled type (can be customized)
Humidity range	(30 ～ 95)% RH (can be customized)
Temperature fluctuation	≤0.5℃ (The temperature fluctuation is half of the difference between the measured maximum temperature and the minimum temperature at the center point)
Temperature uniformity	≤2.0℃ (Temperature uniformity is the arithmetic mean of the difference between the highest and lowest temperature measured in each test)
Humidity deviation	≤ 2%R.h (>75%), 3%R.h. (<75%)
Heating time	RT～ 100℃ (2℃-3℃)/min
Cooling time	RT～ -40℃(0.7℃-1℃)/min
Working noise	80dB(A) (1m in front of the gate, 1.2m above the ground, in free space)
Structural characteristics
Overall structure	1. Integral, modular design 2. The equipment is divided into the following parts: cabinet part, air circulation part, refrigeration part, heating system, humidification system, electrical control part
Thermal insulation structure	Outer wall material: double-sided galvanized steel, surface spray treatment or Q235 steel, surface pickling, phosphating, surface spray treatment Inner wall material: SUS304 stainless steel plate Insulation material: special composite with special heat insulation performance insulation material: rigid polyurethane board and glass wool
Standard configuration of test chamber	Power cord (3 meters) 1pc (also can be adjusted according to user site conditions) Over temperature protector 1pc Lead hole (ф100) 1pc (placed on the left side of the equipment, equipped with stainless steel cover)
Load bearing	The load-bearing capacity of the sample rack is not less than 30KG/layer Load-bearing capacity of the bottom plate of the test chamber: ≥100Kg/m2 (uniform load)
Observation window	One piece of window is placed on the gate, the size of the observation window is: height 480mm×width 350mm, the heating wire of the observation window is automatically turned on during the low temperature test to prevent condensation and frost, to ensure the test situation inside the chamber can be observed through the observation window
Lighting	The door of the chamber is equipped with a moisture-proof LED lighting lamp, which is convenient for observing the test samples in the chamber. The lighting is controlled by a switch on the control panel outside the chamber
Control operation interface	Touch control screen, main power switch, buttons, over-temperature protector, etc.
Machinery room	Refrigeration unit, power distribution control cabinet, exhaust fan, etc.
Power distribution control cabinet	Cooling fan Switchboard

 

Main Components of Refrigeration system: