Xi'an TOPTION Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of refrigerated heating circulators in China. We provide high quality solutions & products for global customers who work in chemistry, biology, pharmaceutical, food, etc. If you have any enquiry about lab solution customization, please feel free to email us.
TOPTION refrigerated heating circulators adopt a fully closed piping design, a high-efficiency plate heat exchanger used to reduce the demand for thermal fluid utilization while providing the system to achieve 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 does 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.
Advantages of TOPTION Refrigerated heating circulators
1. Working temperatures from -100℃ to +350℃.
2. Previously unachievable performance.
3. Intelligent temperature control.
4. Maximum process stability and reproducibility.
5. Adopt plate heat exchanger, Pipeline heating, the fastest heating and cooling rates.
6. High cooling power from 0.5 to 1200kW.
7. Large temperature range without fluid change.
8. Closed system, extend thermal fluid lifetime.
9. Incredibly compact.
10. 7-inch, 10-inch color TFT touch screen display.
11. Comprehensive warning and safety functions.
12. Rapid cooling down from high temperature (from 300 ℃)·
13. Use magnetic drive pump, solve the circulation pump leakage.
Technical parameters of TOPTION Refrigerated heating circulators
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Model |
HR-25 N |
HR-35 N |
HR-50 N |
HR-70 N |
HR-100 N |
HR-150 N |
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Temperature range °C |
-25°C~200°C |
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Controller |
PID adaptive controller |
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Temp. control |
Heat-conducting medium outlet temp.control |
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Communication protocol |
MODBUS RTU Protocol, RS 485 Interface |
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Temperature feedback |
Heat-conducting medium temperature feedback PT100 |
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Temp, accuracy |
±0.5°C |
±0.5°C |
±0.5 °C |
±0.5°C |
±0.5 °C |
±0.5°C |
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Heating power |
2.5kW |
3.5kW |
5.5kW |
7kW |
10kW |
15kW |
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Cooling capacity |
200°C |
2.5kW |
3.5kW |
5.5kW |
7kW |
10kW |
15kW |
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100°C |
2.5kW |
3.5kW |
5.5kW |
7kW |
10kW |
15kW |
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20°C |
2.5kW |
3.5kW |
5.5kW |
7kW |
10kW |
15kW |
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-5°C |
2kW |
3kW |
4.5kW |
6.6kW |
8kW |
12kW |
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-20°C |
1kW |
1.8kW |
2.8kW |
3.8kW |
4.6kW |
7kW |
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Circulation pump |
Max25L/min 2bar |
Max35L/min 2bar |
Max35L/min 2bar |
Max35L/min 2bar |
Max50L/min 2 bar |
Max50L/min 2 bar |
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Tank volume |
8L |
13L |
15L |
18L |
22L |
25L |
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Compressor |
Copeland |
Copeland |
Copeland |
Copeland |
Copeland |
Copeland |
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Evaporator |
Plate heat exchanger |
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Operation Panel |
Display setting temperature and testing temperature; outlet and inlet temperature, 7-inch color touch screen |
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Safety protection |
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 circulation system |
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 |
R-404A |
R-404A |
R-404A |
R-404A |
R-404A |
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Connection size |
DN15 |
DN20 |
DN20 |
DN20 |
DN20 |
DN20 |
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Power |
AC 220V 50HZ 4kW(max) |
AC 380V 50HZ 5.5kW(max) |
AC 380V 50HZ 7.5kW(max) |
AC 380V 50HZ 10kW(max) |
AC 380V 50HZ 14kW(max) |
AC 380V 50HZ 21kW(max) |
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Case material |
Cold rolled steel |
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Optional |
Optional 7-inch color touch screen controller,temperature curve record,data export to excel format. |
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Optional |
SUS304 case material |
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Optional power |
220V 60HZ three-phase, 440V ~ 430V 60HZ three-phase |
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We also have other types, chillers, heaters, High and low temperature integrated machine, all through ISO CE certification, 1 year warranty period, factory directly sale, not only help you save cost and time, but also support customization service, OEM, ODM.
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