1、 Cold and hot shock test chamber

The cold and hot shock test chamber utilizes low-temperature and high-temperature thermal storage tanks, and opens the DAPER as needed to achieve rapid shock effects; Balanced Temperature Control System (BTC), with P I. D. Control SSR in a way that ensures the heating amount of the system is equal to the heat loss, thus enabling long-term stable use.

2、 Performance: Water cooled water temperature at 25 ℃, when unloaded

1. Temperature range of the test chamber:- 40℃~+100℃

2. High temperature tank temperature setting range:+60 ℃~180 ℃; High temperature bath heating time: RT (room temperature)~200 ℃ for about 25 minutes (when the room temperature is between 10-30 ℃)

3. Low temperature tank temperature setting range:- 65℃~-10℃

Low temperature bath cooling time: RT (room temperature)~-65 ℃ for about 45 minutes (when the room temperature is between 10-30 ℃)

4. Temperature fluctuation: ± 2.0 ℃

5. Temperature deviation: ≤ ±3.0℃

6. Temperature recovery time: ≤ 5 minutes (plastic IC load 15KG)

7. High and low temperature exposure time: more than 30 minutes

8. Sample weight: 5KG

3： Structure and Material

1. Inner box material: stainless steel plate (SUS # 304 thickness 2.0MM)

2. Outer box material: Cold rolled sheet with split baking paint

3. Insulation material: High temperature tank: 24k glass wool; Low temperature tank: polyurethane rigid foam+glass wool

4. Heater: finned heat dissipation tube shaped stainless steel electric heater

5. Supply air circulation system: (a) 2 motors with stainless steel extended shafts (b) Multi blade fan blades (SIROCCO FAN) (c) 1 centrifugal exhaust fan

4、 Freezing system

1. Compressor: Two 6P fully sealed compressors imported from Europe and America for refrigeration

2. Refrigerant: Environmentally friendly refrigerant R404A+R23

3. Condenser: water-cooled shell and tube condenser (excluding cooling tower 15RT, water pump, piping)

4. Evaporator: finned multi-stage type

5. Other attachments: desiccant, oil separator, refrigerant flow valve, repair valve

6. Expansion system: Capacity controlled refrigeration system

5、 Control system

1. Controller: Programmable Temperature Controller: TEMI8600 inch LCD touch controller, controls Chinese English conversion, 240x320 point wide viewing angle, high contrast large LCD display with backlight function

Controller specifications: Temperature range: -100~300 ℃; Temperature resolution: 0.1 ℃; Equipped with temperature setting display functions for high temperature tank, low temperature tank, and testing tank; Input force: T-shaped thermocouple; Double group PID automatic calculation

2. Screen display function

Using image control software for interactive dialogue, with direct touch options on the screen, including power on settings; Curve display, loop program, display screen, auxiliary settings; Can display the current execution status, temperature setting value, time setting value, remaining time, and remaining cycle times; Temperature program settings are displayed in graphical curves, with real-time display of program curve execution function; Chinese display of fault status and explanation of troubleshooting methods

3. Program capacity and control functions:

Available program quantity: up to 32 groups; Repeatable command execution: Each command can be executed 9999 times; Time setting: 0-9999Hr59min; Equipped with RS-232 communication interface and reservation start function; The defrosting temperature, time, and number of cycles can be set; Time signal: 3 sets; Fault shutdown mode: Three selectable modes: shutdown, cold start, and hot start

4. Safety device:

Overtemperature protection device, anti-aircraft fire protection device, power supply under reverse phase protector, compressor overheat protection switch, compressor high and low voltage protection switch, compressor overcurrent protection switch, compressor oil pressure protection switch, buzzer, no fuse switch, residual current circuit breaker, ceramic fast fuse, line fuse and fully sheathed terminal

6、 Compliant with standard: GB/T11158-2008 Technical Conditions for High Temperature Test Chamber; GB/T10589-2008 Technical Conditions for Low Temperature Test Chamber; GB/T2423.1-2001 Low temperature test methods; GB/T242322-2002 Temperature Change Test; GJB150.5-86 Temperature shock test; GB/T2423.2-2001 High temperature test methods

7、 Recommended laboratory testing equipment

Image measuring instrument, fully automatic imaging instrument, tensile testing machine, salt spray test chamber, constant temperature and humidity chamber