Hangzhou high and low temperature test box prices, Hangzhou high and low temperature box maintenance, Hangzhou high and low temperature wet heat test box maintenance

Introduction: The product is used for adaptability testing of electronic products, their raw components, and other materials during storage, transportation, and use in high and low temperature environments. B. This testing equipment is mainly used to conduct environmental simulation tests on the physical and other related characteristics of products under low and high temperature conditions in accordance with national standards or user defined requirements. After testing, the performance of the product can still meet the predetermined requirements through testing, in order to provide product design, improvement, identification, and factory delivery.

The product is used for：

A.This equipment is mainly designed for adaptability testing of electrical and electronic products, their raw components, and other materials during storage, transportation, and use in high and low temperature environments.
B. This testing equipment is mainly used to conduct environmental simulation tests on the physical and other related characteristics of products under low and high temperature conditions in accordance with national standards or user defined requirements. After testing, the performance of the product is judged through inspection to determine whether it can still meet the predetermined requirements, for product design, improvement, identification, and factory inspection purposes

C.As a reliability testing equipment for quality control engineering, it is used to test the high and low temperature performance of electrical, electronic, and other non flammable and explosive materials. (Applicable to all industries: electronic components, such as capacitors, inductors, resistors, diodes, transistors, etc.; electrical appliances, such as telephones, fax machines, automotive parts and electrical products; plastics, such as plastic shells, plastic products, etc., especially suitable for high and low temperature resistance tests of optical fibers, LCDs, crystals, photovoltaic modules, batteries, computers, mobile phones and other products.). ）
D is suitable for the cold, heat, and dry resistance tests conducted during the research and development of various electronic, electrical, appliance, plastic and other raw materials and devices. As the basis for developing products that are resistant to high and low temperatures.

GB 10589-2008Technical Conditions for Low Temperature Test Chamber

GB 11158-2008Technical Conditions for High Temperature Test Chamber

GB 10592-2008Technical Conditions for High and Low Temperature Test Chambers

GB2423.1-2008Basic Test Procedures for Electrical and Electronic Products - Test A: Low Temperature Test Method

GB2423.2-2008Basic Test Procedures for Electrical and Electronic Products - Test B: High Temperature Test Method

GB2423.4-2008Basic Test Procedures for Electrical and Electronic Products - Test Db: Alternating Current Test Method

GB2424.1-2005Basic Environmental Testing Procedures for Electrical and Electronic Products - Guidelines for High Temperature and Low Temperature Testing

GB2423.22-2008Basic Test Procedures for Electrical and Electronic Products - Test N: Temperature Change Test Method

2.1Temperature range: -40 ℃~150 ℃

2.2Temperature fluctuation: ≤±0.5℃

2.3Temperature uniformity: ≤ 2 ℃ (in stable state)

2.4Cooling rate:0.7－1℃/minOverall average

2.5Test chamber workshop size:(D) 350x (W) 360 x ( H) 400（mm）

Part Three: Product Structure,Control method

3.1 Product temperature control features:

3.2Structure and Material:

3.2.1Inner box material: T=1.5mm brushed stainless steel plate (SUS # 304), with rounded corners for a beautiful and elegant appearance.

3.2.2Outer box material: shell electrostatic spray treatment

3.2.3Insulation material: White fiberglass insulation cotton

3.2.4Supply air circulation system:

3.2.4.1 Low noise long axis circulating motor1Only.

3.2.4.2Stainless steel extended axis

3.2.4.3Multi blade fan (SIRCCO FAN)

3.2.4.4Adjustable louver air guide to ensure even temperature distribution inside the test chamber

3.3Freezing system:

3.3.1compressor:Two sets of Taikang fully enclosed compressors imported from France. (Reliable cooling performance)

3. 3.2Refrigerant: DuPont brand refrigerant R404A imported from the United States, with an ozone depletion rate of 0 (ODP=0.00)

3. 3.3Condenser: air-cooled condenser

3.3.4Evaporator: finned multi-stage automatic load capacity adjustment, multiple solenoid valve conversion, ensuring low energy consumption of the equipment. Danfoss imported expansion valve

3.3.5Other accessories: desiccant, repair valve, coconut tree brand oil separator, Italian imported Casito solenoid valve, customized plate heat exchanger

3.3.6Expansion system: automatic capacity control throttling and pressure reduction refrigeration system

3.3.7Refrigeration welding anti oxidation protection: During the welding process of the refrigeration pipeline, nitrogen gas is used throughout the welding to prevent the expansion valve from getting dirty and blocked due to internal oxidation of the copper pipe.

3.3.8Layout of refrigeration pipelines and external oxidation prevention treatment: fully considerThe layout of pipelines in refrigeration systems involves resonance during operation, loss along the refrigerant flow, ease of maintenance, and smooth recovery of compressor oil throughout the entire process. The welding points of the pipeline are protected by painting to prevent the formation of copper green, and the unwelded areas are coated with a clear varnish protective layer for a beautiful and elegant appearance

3.4Control system:

3.4.1Controller specifications:Japanese Fuji PRX-9 temperature controller, high-precision temperature controller (optional touch screen instrument)

3.4.2Internal control circuit: The wiring of the control board is clean and tidy, and all wiring is in accordance with the relevant standards of national electrical regulations, with numbered tubes. Convenient for customers to maintain and repair in the future. The main execution components are all imported brands. Communication contactors, intermediate relays, solid-state relays, etc. are all from Schneider brand in France.

Temperature measuring body: DIN specification Class APs4mm SUS #304Stainless steel PT 100Ω1branch

3.4.3Safety device:

3.4.3.1Underphase reverse phase protection switch

3.4.3.2Compressor high voltage protection switch

3.4.3.3Compressor overheat alarm

3.4.3.4Compressor overcurrent alarm

3.4.3.5Non fuse switch

3.4.3.6Line fuses and safety terminals

3.4.3.7Buzzer abnormal alarm device

3.5Standard configuration:

3.5.1Power cord 4.0 mm2x5Rui, low impedance rubber cable, 3m long, 1 cable

3.5.21 copy of equipment electrical schematic diagram

3.5.31 test hole with a diameter of 50mm on the left side of the body, equipped with 1 stainless steel hole cover and 1 silicone plug

3.5.4One set of fuses (consumable parts)

3.5.51 set of operation manual

3.6Surrounding environment:

3.6.1Allowable temperature range 0~32 ℃

3.6.2Performance guarantee range: 5-28 ℃

3.6.3Relative humidity: not exceeding 85%

3.6.4Atmospheric pressure: 86-106Kpa

3.6.5There is no strong vibration around

3.6.6No direct sunlight or other heat sources

3.6.7There is no high concentration of dust or corrosive substances around

3.6.8The test chamber should be placed steadily and kept level
3.6.9There should be a certain distance around the test box for easy maintenance and operation
3.6.10The installation site has good ventilation

3.7Power supply: AC220V 50HZ; pre installed power: 3.5KW

Part 5: Personnel Training:The supplier is responsible for installation and debugging, training of users, and can train 3-5 people until each person can operate and perform simple maintenance independently.