-40C 80L Vacuum High Low Temperature and Low Air Pressure Test Chamber

 I. Product overview

This series of high and low temperature and low air pressure test chamber is suitable for the reliability test of various industrial products, characterized by temperature control precision and wide control range, and the performance indexes are in line with the requirements of the "Basic Parameters of Electrical and Electronic Products Environmental Test Equipment Calibration Methods for Low Temperature, High Temperature, Constant and Alternating Test Equipment".

II. Performance index

Note: The performance is measured after stabilization without test load when the ambient temperature is 25℃.

In addition, the temperature rise and fall time refers to the performance measured when the power supply voltage is normal and the ambient temperature is +25℃.

1.Temperature range: -40~150℃

2.Temperature fluctuation:±1.0℃

3.Temperature accuracy:0.01℃.

4.Heating speed:1.0~3.0℃/min

5.Cooling speed:0.5～1.0℃/min

6. Vacuum degree: -90kpa

7. Vacuum precision: 0.1kpa

III. Chamber structure

1. Inner chamber size: 400*400*500mm        

2. Outer size: according to the actual model

3. Inner chamber material: stainless steel plate

4.Outer chamber material: stainless steel plate

5. Door: single-piece door

6. Observation window: double-layer tempered glass window, with lighting.

7. Test hole: the left side of the body test hole ¢ 50mm 1 only, with stainless steel hole cover 1 only.

8. Test body: SUS # 304L stainless steel PT 100Ω platinum resistor 1 (Taiwan)

9. Insulation material: high-efficiency polyurethane foam + glass rock wool

0. Heating system: finned heat sink tube-shaped stainless steel heater

IV. Control system

1. Touch control original TEMI touch screen programmable controller

2. Program storage capacity 120 groups

3. With power failure program memory function, continue after power restoration.

4. Cycle times: up to 999 times

5. Temperature measurement device: imported PT100 platinum resistance temperature and humidity sensor

6. Temperature measurement: Pt100 platinum resistance;

8. Control device: programmable touch screen

9. Setting accuracy: temperature: 0.01 ℃    

10. Program capacity: the program can be looped, and the program can be linked to each other;

11. Operation mode: constant operation, program operation;

V. Refrigeration system

1. Compressor: French "Taikang" fully enclosed high-efficiency energy-saving pioneer.

2. Refrigerant: DuPont, the United States, the ozone factor of zero green refrigerant

3. Condenser: air-cooled condenser (special customization)

4. Evaporator: finned automatic load capacity adjustment

5. Expansion system: capillary capacity control of the refrigeration system

6. Electromagnetic Valve: Sanshou Changhenglusi purple copper switching valve.

VI. Power supply configuration

1. Test power supply: AC220 50Hz

2. Maximum capacity: 6 KW

3. Maximum current: 30 A

4. Placement of equipment: when placing the box, note that the distance from the wall should be more than 1000mm.

5. Temperature over-rise preventer (to protect the test article and the test box)