In fact, the high and low temperature test chamber is similar to other high and low temperature test chamber series, there is no difference. Below, let ’s take a brief look
The use process of the test box:
1. 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.
2. 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, Then use the "∧, ∨" keys to set.
3. When you want to set to the desired 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. (For the specific operation of the controller, please refer to the manual of Linpin Co., Ltd. high and low temperature test box, but the internal settings of the controller must not be changed arbitrarily, otherwise Will affect the whole experiment)
4. 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. Wait until the PV value is below 50 ° C before turning on the refrigeration switch and observe There is a lighting lamp on the window. If you need to observe the test piece during the test, you can turn on the "lighting switch". There is a test hole on the left side of the box, which can be used for the lead wire for the dynamic test of the test piece, but for the low temperature test. This hole must be sealed with thermal insulation material (in the case of a lead wire) to avoid generating a lot of cold air and affecting the test. It may not be used as a reference during high temperature tests.
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