GWX-300 300 centigrade electronic universal testing machine specialized high low temperature test chamber

1. Inside size: 250×530×430 mm

2. Temperature range: -60 -300℃, -30 -300℃, room temperature -300℃, 

3. Temperature accuracy: 0.3%

4. Temperature fluctuation range: ±0.5ºC

5. Temperature uniformity: ±2ºC

6. Speed of cooling: 0.7~1 ºC/min

7. Hollow electric heating glass observation platform

8. Temperature control: PID automatic temperature control

9. Material of outside wall: cold-rolled iron sheet spraying

10. Material of inner wall: stainless steel sheet

11. Insulation material: antiflaming insulation material

12. There are electric heating devices on the edge of doorframe and doorplate to prevent condensation and frost formation when processing low temperature test.

13. Illuminating lamp: one (damp-proof, explosion-proof, locating proper position, outside control switch)

14. Air conditioning system:

        a temperature control: PID automatic temperature control

        b air circulation device: centrifugal fan

        c manner of heating: nickel-chromium electric heater, forced aeration and inner circulation temperature adjustment

        d manner of air cooling: compressor refrigerating

        e temperature measuring transducer: platinum resistor

        f refrigerating compressor: compressor (CFCs) refrigerating (France Tecumseh hermetic fan cooling)

    15. Tightness and reliability: pipeline of cooling system is welded and tightness is reliable

    16. Devices for safety and protection

        a power supply overload and short-circuit protection

        b refrigerating compressor lack-phrase protection

 ;       c ground connection protection

        d over temperature protection

    ;    e refrigerating machine high and low voltage protection