The standards that the cold and hot shock test chamber equipment meets are:

Chinese National Standard, GB/T 2423.1-2001 Low Temperature Test Methods;
Chinese National Standard, GB/T 2423.2-2001 High Temperature Test Methods;
Chinese National Standard, GB/T2423.22-2001 Temperature Change Test;
GJB150.5-86 Temperature shock test;
GJB360.7-87 Temperature shock test;
GJB367.2-87 405 temperature shock test.

1Dongguan two box type cold and hot shock testing machineControl methods and characteristics︰

Using low-temperature and high-temperature thermal storage tanks, open DAPER according to the action needs to achieve rapid impact effect; The Balanced Temperature Control System (BTC) controls SSR in a P.I.D. manner to ensure that the heating amount of the system is equal to the heat loss, thus enabling long-term stable use.
Performance: Air cooled at room temperature of 25 ℃, when unloaded
1.1 Temperature range of the test chamber: -40 ℃~+105 ℃
1.2 High temperature tank temperature setting range:+60 ℃~+160 ℃
High temperature bath heating time: RT (room temperature)~+160 ℃ for about 50 minutes (when the room temperature is between 10-30 ℃)
1.3 Low temperature tank temperature setting range: -55 ℃~-10 ℃
Low temperature bath cooling time: RT (room temperature)~-55 ℃ for about 65 minutes (when the room temperature is between 10-30 ℃)
1.4 Temperature fluctuation: ≤± 1.0 ℃
1.5 Temperature deviation: ≤± 2.0 ℃
1.6 Temperature recovery time: ≤ 5 minutes (plastic IC load 2.5KG)
1.7 High and low temperature exposure time: more than 30 minutes
2、 Structure and Material

Internal dimensions and external dimensions of the model
AS-RT40-27LA W30 * H30 * D30 according to design
2.1 Inner box material: Stainless steel plate (SUS # 304)
2.2 Outer box material: Stainless steel plate (SUS # 304) or advanced electrolytic plate, electrostatic spraying paint
2.3 Insulation material: High temperature tank: 24k glass wool
Low temperature tank: polyurethane rigid foam+glass wool
2.4 Heater: finned heat dissipation tube nickel chromium alloy U-shaped high-efficiency heater, automatic calculation with high precision
PID+SR control (calculation cycle: 1~4S can be set) to control the heat loss and heating amount
Equivalent, therefore it saves about 10% more power than traditional ON/OFF control
2.5 Supply air circulation system:
2.5.1 Two motors with stainless steel extended shafts
2.5.2 Multi blade Fan (SIROCCO FAN)
2.5.3 One centrifugal exhaust fan
2.6 Box door: Single panel door, left opening
2.6.1 Flat handle
2.6.2 Rear Button: SUS # 304
2.7 Temperature shock actuator: using a complete set of imported pneumatic components from Japan SMC, with high reliability and stable equipment operation
IIIDongguan two box type cold and hot shock testing machineFreezing system:

3.1 Compressor: The refrigeration compressor adopts a cascade refrigeration system composed of two French Taikang low-temperature compressors. The Taikang compressor has the characteristics of compact structure, low vibration and noise, high energy efficiency ratio, and large refrigeration capacity under low-temperature conditions. The optimized parallel system design is conducive to reducing operating costs and increasing reliability.
3.2 Refrigerant: Environmentally friendly refrigerant R404A+R23
3.3 Condenser: finned air-cooled condenser
3.4 Evaporator: Fin type multi-stage automatic load capacity adjustment
3.5 Other accessories: Plate heat exchanger, desiccant, oil separator, refrigerant flow valve, repair valve
3.6 Expansion System: A refrigeration system with automatic capacity control throttling and pressure reduction. It adopts multi loop control and uses different automatic expansion valves to control the refrigerant flow rate at different temperature points, thereby achieving precise temperature control and reducing energy consumption.
3.7 Special designed anti evaporator frosting device
4、 Control system:
4.1 Controller: Original imported color LCD display with touch control for Chinese display, wide viewing angle, high contrast, and large LCD display with backlight function
4.1.1 Controller specifications:
Temperature range: -100~300 ℃
Temperature resolution: 0.1 ℃
Equipped with temperature setting display function for high temperature tank, low temperature tank and test tank
Input force: T-shaped thermocouple
Double group PID automatic calculation
4.1.2 Screen display function
Using image control software for dialogue, with direct touch options on the screen, including power on settings
Curve display, loop program, display screen, auxiliary settings
It can display the current execution status, temperature setting value, time setting value, and remaining time
Remaining number of cycles
Temperature program settings are displayed in graphical curves, with real-time display of program curve execution function
Display fault status in Chinese and explain troubleshooting methods
4.1.3 Program capacity and control functions:
The maximum number of programs that can be used is 10 groups
Repeatable command execution: Each command can be executed 9999 times
Time setting: 0-9999Hr59min
Equipped with RS-232 communication interface
Equipped with reservation activation function
The defrosting temperature, time, and number of cycles can all be set
Time signal: 3 sets
Fault shutdown mode: Three selectable modes: shutdown, cold start, and hot start
4.2 Safety device: Provide the following safety protections and sound and light alarms when the test chamber malfunctions
4.3 Personal safety protection
4.3.1 Leakage circuit breaker;
4.4 Equipment Safety Protection
4.4.1 Overtemperature protector
4.4.2 Zero crossing gate fluid power controller
4.4.3 Heating air burning prevention protector
4.5.4 Underphase and Reverse Phase Protection Switch
4.5.5 Compressor High Voltage Protection Switch
4.5.6 Compressor overheat protection switch
4.5.7 Compressor overcurrent protection switch
4.5.8 Non fuse switch
4.5.9 Ceramic Magnetic Quick Fuse
4.5.10 Line fuses and fully sheathed terminals
4.5.11 Buzzer
4.6: Product Safety Protection
4.6.1 Independent Overtemperature Protection System: When the laboratory temperature exceeds the set value, the heating power supply is cut off and an audible and visual alarm is issued
4.7 Temperature measuring body: 3 original imported first level T-type thermocouples, respectively sensing high temperature tank, low temperature tank, and
The temperature of the experimental operation is sensitive and the test is accurate.
5、 Standard configuration:
5.1 Test hole: 1 x 50mm hole on the left side of the body, with 1 stainless steel hole cover and 1 silicone plug
5.2 Overtemperature protector: a four digit LED digital microcomputer controller to prevent the test sample from overheating or overheating
Low and damaged, ensuring product safety
5.3 SMC three-point combination pressure regulating valve imported from Japan
5.4 One emergency stop switch
5.5 Stainless Steel SUS # 304 Storage Rack 2 pieces
5.6. One set of spare fuses
5.7 One set of controller user manual, one set of operation manual, and one test report
6、 Other requirements:
none
7Dongguan two box type cold and hot shock testing machineSurrounding environment:

7.1 Allowable temperature range for use: 0~35 ℃
7.2 Performance guarantee range: 5-35 ℃
7.3 Relative humidity: not exceeding 85%
7.4 Atmospheric pressure: 86-106Kpa
7.5 No strong vibrations around
7.6 No direct exposure to sunlight or other heat sources
8 After-sales service
10.1 Provide users with necessary usage and maintenance consultation;
10.2 Timely provide users with vulnerable parts and spare parts;
10.3 Dispatch technical personnel to provide on-site guidance to users on the use and maintenance of their equipment;
During the 12-month quality assurance period from the date of acceptance, if the test box cannot function properly due to manufacturing quality issues, the supplier will dispatch maintenance personnel for free on-site repairs within 24 hours of receiving notification, provided that the purchaser complies with the storage, use, and installation rules;
When there is a problem with the equipment after the quality assurance period, the supplier will dispatch maintenance personnel to conduct on-site repairs within 24 hours after receiving notification, and may charge material fees, maintenance fees, and travel expenses as appropriate.
Nine train:
11.1 Purpose: To fully meet customer needs and achieve customer satisfaction.
11.2 Responsibilities: Provide equipment spare parts, components, and related technical information to customers. Responsible for arranging and organizing technical training for customers.
11.3 Training: Provide free on-site operation and maintenance technical training for users, enabling them to understand equipment performance, teach them how to use and maintain equipment correctly, and avoid malfunctions caused by improper use.

TenDongguan two box type cold and hot shock testing machineOn site installation and debugging

12.1 Installation: All equipment provided in the contract shall be installed by the seller, and the buyer shall dispatch technical personnel to assist in the installation of the entire equipment. During the installation process, the buyer's personnel shall provide necessary assistance in a timely manner.
12.2 On site debugging: Within two weeks after the equipment arrives at the buyer's site and the buyer notifies the seller, the seller is responsible for completing the debugging, which meets the buyer's normal use and contract requirements.
Eleven Acceptance criteria and methods:
After the seller's product manufacturing inspection is qualified, it shall be packaged and shipped by the seller to the buyer for acceptance at the buyer's site.
13.2 The final acceptance shall be jointly issued by the buyer and the seller with a qualified acceptance report.
After passing the acceptance inspection, both parties shall fill out the delivery form and handle the delivery procedures.

Dongguan Jiuxing Electronic Technology Co., Ltd

Telephone

Fax:

Contact: Xiao Ling

www.gaodiwenxiang.com