oneOverview

Digital display cryogenic gas bath constant temperature oscillatorWidely used in medical, petrochemical, health and epidemic prevention, environmental monitoring, soil analysis and other scientific research departments of various universities for oscillating constant temperature cultivation of various fluid and solid compounds such as biology, biochemistry, cells, and bacterial strains This machine has the characteristics of reasonable structure, easy operation, and high stability performance, making it an ideal equipment for laboratory personnel to handle with ease.

two、Main technical parameters

IIIDigital display cryogenic gas bath constant temperature oscillatorUsage

1First, please clamp the sample that needs to be cultured by oscillation onto the spring fixture, turn on the power supply, close the power switch, turn on the timer normally closed "ON" or the time indicator light that you need to set is on, indicating that the internal power supply is connected. The oscillation frequency is controlled by the speed control knob and adjusted from low speed to high speed from left to right.set temperaturePress the SET button to enter the temperature setting mode or view the set value. Press the SET button and see the flashing number to indicate that you are in the setting mode. Press the up button to increase the set value and the down button to decrease it. Keep pressing and holding it will continue to increase or decrease to the desired value. Once the setting is complete, press the SET button again to exit the setting mode and return to the normal working measurement mode.

2adjustable parametersSc: Press and hold the SET button for 3 seconds to enter the internal parameter setting and adjustment interface. The interface displays Sc as the error calibration value, indicating the error between the measured value and the actual value of the temperature controller. The default value is 0.0. You can press the SET button again to display a flashing number to enter the adjustment state (the following parameter setting method is the same), and press the up or down button to adjust the value. （-9.9~9.0）

E: After setting, press the SET key to enter the next parameter adjustment. The interface displays E, which represents the advance amount of breakpoint control (only effective when the P value is set to 0). The default value is 0.5, and the adjustment method is the same as Sc.

P: Press the SET button again to enter the third parameter, and the interface will display P indicating the P value setting. The meaning of P value is roughly to start the control temperature=set

Fixed value - (10/P value). If set to 50 degrees, a P value of 10 indicates control starts at 49 degrees, and a P value of 4 indicates adjustment starts at 47.5 degrees. If the temperature overshoot is too high during use, adjust the P value appropriately. If the temperature rises too slowly or cannot reach the control temperature, adjust the P value appropriately.

When the P value is 0, it enters breakpoint control mode. When the system PID fails, heating starts when the temperature is below (set value - E value), otherwise heating stops.

c: Press the SET key again to enter the setting of parameter c after zui. The parameter after zui is temporarily reserved within the system and should not be adjusted. The default value is 10.0. All parameters have been set, press the SET button to return to normal operation.When the set temperature is lower than the ambient temperature, please turn on the cooling switch.

4、 Precautions

The instrument casing should be properly grounded to prevent accidents.

2. It is strictly prohibited for any liquid to enter the machine to avoid damaging the main unit.

When not in use, the power should be cut off, the water tank should be dried and placed in a ventilated and dry place.

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