Brand Name: LNEYA
Model Number: SUNDI-320
Place of Origin: Jiangsu, China (Mainland)
-45~180 degree for lab using quality assurance chiller
Technical Parameters:
Model |
SUNDI-320 |
SUNDI-420W |
SUNDI-430W |
|
Temperature range℃ |
-30℃~180℃ |
-45℃~180℃ |
-45℃~180℃ |
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Control Mode |
Feed forward PID + Our special dynamic control calculation, PLC controller |
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Temp. control |
Option: process temperature control or jacket oil temperature control |
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Temp. difference |
Set or control the temperature difference between jacket oil and raw material process |
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Program Editor |
20 programs, each program can edit 45 steps. |
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Communication protocol |
MODBUS RTU Protocol, RS 485 Interface |
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Temperature feedback |
Heat-conducting medium: PT100 Raw material process: PT100 |
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Temp. accuracy |
±1℃ |
±1℃ |
±1℃ |
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Heating power |
2kW |
2kW |
3kW |
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Cooling capacity |
180℃ |
1.5kW |
1.8kW |
3kW |
50℃ |
1.5kW |
1.8kW |
3kW |
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0℃ |
1.5kW |
1.8kW |
3kW |
|
-5℃ |
0.9kW |
1.2kW |
2kW |
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-20℃ |
0.6kW |
1kW |
1.5kW |
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-35℃ |
|
0.3kW |
0.5kW |
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Circulation pump |
Max10L/min 0.8BAR |
Max10L/min 0.8BAR |
Max20L/min 2BAR |
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Compressor |
Embraco |
Embraco |
France |
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Expansion valve |
Danfoss |
Danfoss |
Danfoss |
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Operation Panel |
7-inch color touch screen controller, temperature curve record, data export to excel format. |
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Self-diagnosis function; freezer overload protection; high pressure switch, overload relay, thermal protection device, liquid low level protection, high temperature protection and temperature fault protection. |
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Closed |
The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supplement oil automatically at low temperature. |
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Refrigerant |
R-404A |
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Connection size |
DN-15 or M24*1.5 |
DN-15 or M24*1.5 |
DN-15 or M24*1.5 |
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Water-cooled type W (cooling water at 20℃) |
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450L/H 1.5bar~4bar |
550L/H 1.5bar~4bar |
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Dimension |
350*550*620 |
350*550*620 |
400*600*1050 |
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Weight |
55kg |
55kg |
85kg |
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Power |
AC 220V 50HZ 2.9kW (max) |
AC 380V 50HZ 3.1kW (max) |
AC 380V 50HZ 4.5kW (max) |
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Case material |
SUS 304 |
SUS 304 |
SUS 304 |
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Optional |
Optional Ethernet interface, configure PC operating software |
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Optional |
Optional outside touch screen display controller (separated), the communication line distance is 10 meter. |
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Optional power |
100V 50HZsingle-phase, 110V 60HZ single-phase, 230V 60HZ single-phase, 220V 60HZ three-phase, 440V~480V 60HZ three-phase |
Advantages & Functions
1.Working temperatures from -100℃ to +350℃
2.Previously unachievable performance
3.Intelligent temperature control
4.Maximum process stability and reproducibility
5.The fastest heating and cooling rates
6.High Cooling Power from 0.5 to 500 kW
7.Large temperature range without fluid change
8.Increased thermal fluid life
9.Incredibly compact
10.Brilliant 4 inch, 7 inch, 10 inch TFT touch screen with graphic display
11.Comprehensive warning and safety functions
12.Rapid cooling down from high temperature (from 300 ℃)
Structure design
A fully closed piping design, high efficiency plate heat exchanger used to reduce the demand for the thermal fluid utilization while providing the system to achieve the rapid ups and downs in temperature The whole system is a closed liquid circulation system with the expansion of container, expansion of the container and the liquid circulation is adiabatic, and do not participate in liquid circulation, only mechanical connection, regardless of the temperature is a high temperature or low temperature, the tank temperature is limited to 60℃. Therefore, during the process the risk of imbibing and volatilization of the heat conducting medium is reduced. There following advantages for the user.
Only the heat conduction medium in the expansion container touches the oxygen in the air. (The container temperature is limited to 60℃).
No volatilization of the heat conducting medium at high temperature.