The correct operation of the high and low temperature test chamber can not only make the test the most successful, but also effectively avoid damage to the equipment due to operational errors. The high and low temperature test chamber is a standing test equipment in the laboratory. How to operate it is scientific and reasonable? Qin Zhuo Environmental Measurement Technology briefly introduces the most common four operation steps.
First, connect the power supply of the high and low temperature test chamber, close the circuit breaker on the back of the electric control cabinet, and the "stop" point on the control panel.
Second, press the "Start" button, the controller displays, press the "SET" key according to the "SV" value on the controller, the end of the SV value flashes, you can use the "<" key to move the cursor to the number of digits to be modified , And then use "∧, ∨" key to set.
Third, when you want to set to the required test value, press "SET" to confirm. If the test value is lower than the room temperature value, please press the "cooling" switch on the control surface, the test can be carried out, the cooler is turned on after three minutes, if the test value is higher than the room temperature, the setting is completed, The controller will be executed automatically without pressing any switch. If you need to do humidity, press the humidity switch.
Fourth, when the "AL1" indicator on the controller of the high and low temperature test chamber is on, the temperature in the working room has exceeded "50 ° C" and the refrigeration cannot be turned on. The cooling switch can only be turned on when the PV value is below 50 ° C. The observation window is equipped with a lighting lamp. If you need to observe the test piece in the test, you can turn on the "lighting switch". The left side of the box is provided with a test hole, which can be used for the lead wire for the dynamic test of the test piece, but the low temperature test At this time, this hole must be sealed with thermal insulation material (in the case of lead wires) to avoid a large cold bridge and affect the test. It is not necessary to make a reference during the high temperature test.
Finally, please follow the instructions during the operation. If you have any questions, please contact the manufacturer for technical guidance in time to ensure the service life of your high and low temperature test chamber.
Purchase high and low temperature test box, cold and heat shock test box, constant temperature and constant time test box and other equipment of Dongguan Qinzhuo Environmental Testing Technology brand. Operation, technical training, no limit to the number of operations.
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