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First, the introduction of the cryostat instrument appearance:
Second, the characteristics of the low temperature bath:
1. Refrigeration system: It adopts low-noise air-cooled fully enclosed compressor unit, which has the advantages of fast cooling speed and strong temperature stability.
2, control system: the latest special software development and self-made temperature control technology, with high standard Pt100 and imported electronic components.
3. Circulation system: It has internal and external circulation. When external circulation, the constant temperature liquid in the tank can be externally led, and the second constant temperature field can be established. It can also be used as a cold source to bring the liquid cooled in the tank to the outside of the experimental container for cooling. The temperature of the liquid in the tank is very uniform and stable during the cycle.
4. Protection system: The cooling system has overheating and overcurrent protection. The control system has an over temperature alarm, which can set the upper and lower limits of the temperature to over temperature alarm temperature, and automatically cut off the load when over temperature.
5, the temperature display uses LED, the upper and lower double windows use bright red.
6, the control instrument has easy operation, strong temperature stability, PID can be automatically searched or manually adjusted.
7, accurate temperature correction function up to 0.01 ° C, temperature fluctuations up to 0.02 ° C (depending on the model).
Third, the low temperature thermostat technical parameters:
Model
Temperature range (°C)
Temperature fluctuation (±°C)
Working tank volume (mm3)
Work slot opening (mm2)
Groove depth (mm)
Circulating pump flow (L/min)
Total power (KW)
Voltage (Hz/V)
DC-2006
-20~100
0.05
250x200x150
180x140
150
6
0.9
50/220
Fourth, the low temperature thermostat operation steps:
1. Add liquid medium in the tank. The liquid medium level should not be lower than 20mm of the table.
2. Selection of liquid medium:
A. When the working temperature is lower than 8 °C, the liquid medium is generally selected from alcohol.
B. When the working temperature is between 8 °C and 80 °C, the liquid medium is generally pure water.
C. When the working temperature is 80 °C-90 °C, the liquid medium is generally selected from water and oil mixture.
D. When the working temperature is between 90 °C and 100 °C, the liquid medium is generally selected from oil.
3, the connection of the circulation pump:
A. Connect the inner circulation pump and connect the water outlet to the water inlet with a hose (a hose is supplied).
B. The external circulation pump is connected to the outer circulation. The water outlet is connected to the inlet of the outer container by a hose, and the water inlet is connected to the outer container outlet of the tank.
4. Plug in the power, turn on the “Total Power†switch, then turn on the “Power†button and the “Cycle†button. (Note: the switch is on the back of the instrument)
5. The instrument operation is as follows:
A. Instrument button description:
Shift key â–²Addition â–¼Subtraction SET setting function key
B. Temperature setting:
If the working temperature is higher than the ambient temperature, press the set function key to enter the temperature set value setting state. The last value of the set value flashes. At this time, press the shift key and then press the add value to set the desired working temperature. Then press the set function key and save the set value. At this time, the measurement shows the current liquid in the tank. The temperature of the medium, after which the microcomputer enters the automatic control state.
C. If the working temperature is lower than the ambient temperature, turn on the “cooling†button (Note: the liquid temperature cannot be turned on above 40 °C), press the set function key to enter the temperature set value setting state. The last value of the set value flashes. At this time, press the shift key and then press the subtraction number to set the desired working temperature. Then press the set function key and save the set value. At this time, the measurement shows the current liquid in the tank. The temperature of the media, after which the software enters the automatic control state.
6. Correction of measured value temperature and actual temperature:
Press the set function button for about 5 seconds, the upper window displays the word “PASSâ€. At this time, press the plus button to enter the password “0001â€, and then press the set function button again to enter the actual correction state. At this time, the upper window displays the word “SCâ€. If the temperature is too high, press the key. If it is too low, press the key. After the correction is complete, press the set function key to exit for about 5 seconds. The test or test can be carried out after the measured value reaches a working temperature for a certain period of time.
Five, the use of matters needing attention:
1. Liquid medium should be added to the front tank. (Note: Liquids should not contain acid and alkali).
2. The power supply must be greater than or equal to the total power of the instrument. The power supply must have a good “ground†device. The voltage used is based on the technical data sheet.
3. The instrument should be placed in a ventilated and dry place with a distance of 300 mm from the obstacle on the back and sides.
4. After use, all switches are turned off and the power plug is unplugged.
Packing List
1, the host 1
2, rubber tube 1
3, cover 1
4, manual 1 copy
5, certificate 1
6, warranty card 1 copy
Shanghai Yuming Instrument Co., Ltd.
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