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How to Set Temperature for Digital Display Drying oven?

Kenton instrument drying oven is divided into digital display type and pointer type. KH25AS series is a digital display type drying oven. It adopts an intelligent temperature control system and has the characteristics of timing function, accurate temperature control, high precision, etc.  So many people are not very familiar with the operation of the set temperature, the following Kenton instrument to guide the operation.

First, let's look at the indicator light definition of the meter:

1. "Run/AT" indicator lamp: this lamp is on when running and off when running is over;  This light flashes when it is adjusted.

2. "OUT" indicator light: this light will turn on when there is a heating output, otherwise it will turn off.

3. "ALM" indicator light: this light will be on when the sensor is abnormal or overtemperature alarm, otherwise it will be off.

Then, to set the temperature:

1) if there is no constant temperature timing function:
Click the "Set" key to enter the temperature setting state. The lower row of the display window displays the prompt "SP" and the upper row displays the temperature setting value (the first bit value flashes). The required setting value can be modified through the shift, increase and decrease keys.  Click the "Set" key again to exit this set state and the modified set value will be automatically saved.  In this setting state, if no key is pressed within 1 minute, the controller will automatically return to the normal display state.

2) if there is a constant temperature timing function

Click the "Set" key to enter the temperature setting state. The prompt "SP" will be displayed in the lower row of the display window and the temperature setting value will be displayed in the upper row (the first bit value will flash). The modification method is the same as above.  Then click the "Set" key to enter the constant temperature time setting state. The prompt "ST" will be displayed in the lower row of the display window, and the constant temperature time setting value will be displayed in the upper row (the first bit value will flash);  Click the "Set" key again to exit this set state and the modified set value will be automatically saved.

When the constant temperature time is set to "0", it means that there is no timing function, the controller runs continuously, and the lower row of the display window displays the temperature set value;  When the set time is not "0", the lower row of the display window displays the running time or temperature set value (see the running time display mode (the value of parameter ndt) in the internal parameter table -2). when the running time is displayed, the lower row of decimal points will be lit up. after the measured temperature reaches the set temperature, the timer will start timing, the lower row of decimal points will flash, when the timing time is up, the operation will be finished, the lower row of the display window will display "End", and the buzzer and beep will stop beeping after 1 minute.  After the operation is finished, press the "decrease" key for 3 seconds to restart the operation.

Note: If the temperature setting value is increased during the timing, the meter will start timing again from 0. If the temperature setting value is decreased, the meter will continue to keep timing.

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