Technical performance index
Operating temperature |
-100℃-- room temperature |
|
Temperature fluctuation range in the box |
±1 ℃ above -70℃, -100℃~-70℃ (including -70℃) is ±2℃ |
Are both Specimen axis |
Effective size in conventional box |
300 (width) × 900 (height) × 300 (depth) (approximately) |
|
Thermal compensation adopts resistance wire heating method | ||
Low temperature adopts liquid nitrogen jet cooling method, and the cooling medium for the specimen is air | ||
Overall dimensions of furnace: 500×500×1100 | ||
The temperature gradient of each area in the box is 2 ℃ | ||
The time from room temperature to -100°C is about 50 minutes | ||
The temperature controller adopts a high-precision PID regulator with a display sensitivity of 0.1℃ | ||
The inside and outside of the box are made of stainless steel plates, the front door is opened, with an observation window, and the box is illuminated | ||
System composition
Low temperature environment test chamber |
One |
High precision temperature sensor (PT100) |
A |
Temperature controller system (temperature control instrument, 0.2 level) |
set |
Upper and lower rods and connector parts for low temperature |
set |
Heating compensation system |
set |
Low temperature system adopts liquid nitrogen method (liquid nitrogen tank) |
set |
Test chamber cold/hot air circulation system |
set |
Carriage mobile system |
A |
Circulating water cooling system (including: stainless steel water tank, water pump, etc.) |
A |
