1. Press the “Start†button, the controller will display, press the “SET†button according to the “SV†value on the controller, the end of the SV value will flash, and the “<†button can be used to move the cursor to the number of digits to be modified. Then use the “∧, ∨†button to set.
2. Connect the high and low temperature test box power supply, close the electric control cabinet back circuit breaker, and “stop†point on the control panel.
3. When it is set to the required test value, press the “SET†button to confirm. If the test value is lower than the room temperature value, please press the â€œæ³ æ³ â€ switch on the control surface, the test can be carried out, and the cold machine is turned on after three minutes. If it is the test value higher than the room temperature, the setting is completed. The controller will execute automatically, no need to press any switch, if you need to press the humidity switch (the specific operation of the controller can refer to this manual, but the internal settings of the controller should not be changed arbitrarily, otherwise it will affect the whole test)
4. When the “AL1†indicator on the controller of the high and low temperature test chamber is on, the temperature in the working chamber has exceeded “50°C†and the cooling will not open. Wait until the PV value is lower than 50°C before the cooling switch can be turned on. There is a lighting lamp on the window. If you want to observe the test piece in the test, you can open the “lighting switchâ€. There is a test hole on the left side of the box, which can be used to provide the wire for the dynamic test of the test piece, but when doing the low temperature test. The hole must be sealed with an insulating material (in the case of a lead wire) to avoid a large cold bridge, which may affect the test, and may be omitted for reference during the high temperature test.
Finally, please be sure to follow the instructions during the operation. If there is any problem, please contact the manufacturer for technical guidance to ensure the service life of your high and low temperature test chamber.
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