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European power cord temperature testing machine practices
2011-06-05 20:56:34
 

European power cord temperature testing machine practices

One. Pilot project: European power cord temperature rise test.
II. Test Objective: To examine the European power cord and copper wire forming binding sites after the temperature change (temperature rise) compliance with relevant standards.
III. Application: UL male plug, the national standard plug.
IV. Using the instruments: the European power cord temperature testing machine.
Five. Test: European power cord through the specification of the rated current, temperature (copper) does not exceed 30 ℃ (54 ℉).
5.2 GB: plug wire by the specifications of the current 1.15 times the rated current 1H, temperature (copper) does not exceed 45K.
VI. Test steps:
6.1 Turn on the power, testing the machine is normal, to be tested as usual, the icon off the power.
6.2 to take the test the plug wire, PVC exposed end of the strip conductor, and conductor were fixed at the corresponding terminals.
6.3 Insert the bottom temperature in the copper rod, copper strip with the two no longer than 3 / 2 inch (38mm) of copper welding (series), 18AWG below with 14AWG copper wire, 18AWF with 8AWG copper above, one can be measured 6PCS , when less than 6PCS jumper (as long as the + pole - into a single-pole series - loop) in order to test.
6.4 Open the master switch, power light is on, set the timer time is 1H or 3H.
Set the heating current size of 6.5 by the current adjustment knob to adjust the current size, set by the rated current of the plugs may be, such as: 18AWG 10A; 16AWG 13A.
6.6 Press the timer switch, start the timer.
6.7 after heating to temperature every 10 minutes of recording time, switching temperature point, have to wait 30 seconds, temperature stable, re-meter record, consecutive 3 ± 5 ℃ temperature rise is considered in steady state, compared with the ambient temperature and then the difference is the temperature rise.
6.8 When reaching the set time, timer indicator lights up, this time the test is completed, turn off the power, remove the specimen, finishing equipment.
VII. European power cord Note:
7.1 Do not place the environment, humidity, air circulation to be good.
7.2 in the maintenance, do not water, alcohol or acetone wipe.
7.3 ensure that the body clean, clean coating machine parts often with a clean cloth.


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