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WDW-EGD Series High Low Temperature Creep Testing Machine
1. Brief introduction
The high and low temperature environmental test chamber is a kind of high temperature to low temperature large range environmental test equipment specially designed and manufactured after the company's many years of
actual production experience and combined with customer opinions. environmental testing.
2. Standard
JJF1101-2003 (Temperature and Humidity Calibration Specification for Environmental Test Equipment)
3. System composition
The electric furnace system consists of: environmental box, temperature measurement and control display system, heating system, refrigeration system, temperature measurement components, air supply circulation system, two-stage refrigeration unit, etc.
4. Structural principle and characteristics
4.1
The chamber body adopts a large front door structure and has an observation window. The observation window is inlaid with a heating plate, which can prevent the observation window from frosting and affect the observation
(Note: The size of the observation window can be designed according to to customer needs) The interior of the box body is made of high-quality stainless steel Material, the outside of the box is sprayed with iron plate plastic. The inner cavity and outer wall are insulated with ceramic fiber material, which has a good thermal The thickness of the thermal insulation layer is initially designed to be >80MM.
4.2
The internal mechanism of the box is specially designed, and the internal design adopts the design method of the front cavity and the rear cavity. The front cavity is mainly used for the heating of the front cavity, and has an
independent high temperature resistant long- axis motor circulation system (no water cooling jacket structure), which can meet the Uniformity of temperature in high temperature environment. The rear cavity is designed as a closed box structure, and the refrigeration system is mainly installed, with an independent air circulation system
2. Main Specifications:
|
Rated current |
20A |
|
Starting current |
15A |
|
Control Method |
PID control method |
|
Liquid cooling method |
Cooling method:compressor cooling method |
|
Temperature range |
-70℃ ~ +300℃ |
|
High temperature error |
50~250℃ ±3℃ |
|
Low temperature error |
0~-60℃ ±3℃ |
|
Cooling time |
+20℃ ~-60℃ about 90min |
|
Heating time |
+20℃ ~300℃ about 90 min |
|
Shell material |
Cold-rolled steel plate spraying treatment |
|
Endosomal material |
stainless steel plate |
|
Thermal insulation material |
Ceramic fiber material |
|
Temperature measuring element |
PT100 |
|
Control box |
Fully automatic digital display thermostat, power cord, switchboard, |
|
Heater power |
4kW |
|
Internal dimensions(D ×W × H) mm |
400×350×550mm( about) |
|
External dimensions(L ×W × H) mm |
1150×510×610 mm (about) |
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