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Qiaopu electrical power cord European practices temperature testing machine
2011-07-06 22:13:48
 

Qiaopu electrical power cord European practices temperature testing machine

European power cord temperature testing machine practices

An experimental project: European power cord temperature experiments.
Two experimental purpose: test the European power cord with copper wire after forming parting point temperature (temperature rise) can fit the relevant criteria.
III. Scope: UL male plug, the national standard plug.
IV. The use of instruments: the European power cord temperature testing machine.
V. Test: European power cord through the specification of the rated current, temperature (copper) does not exceed 30 ℃ (54 ℉).
5.2 GB: plug wire through the specification of the rated current of 1.15 times the current 1H, temperature (copper) does not exceed 45K.
Six experimental steps:
6.1 turn the power to test the machine can properly be tested as usual, the icon off.
6.2 to take the test plug wire, PVC strip exposed conductor end and conductor were fixed at the corresponding terminals.
6.3 Insert the bottom temperature in the copper rod, with two copper are not good at 3 / 2 inch (38mm) of copper welding (series), 18AWG the following with 14AWG copper wire, 18AWF above with 8AWG copper, one can measure 6PCS , can be below the 6PCS jumper (just the + - in series into a single - circuit) before the test.
6.4 open the master switch, power indicator light, set the timer time is 1H or 3H.
6.5 Setting the size of heating current from the current adjustment knob to adjust the current size, according to the plug cord set rated current may be, such as: 18AWG 10A; 16AWG 13A.
6.6 Press the timer switch, start timing.
6.7 heated to constant temperature, the records once every 10 minutes, switching temperature point, have to wait 30 seconds, temperature stable, re-count record, three consecutive times at ± 5 ℃ temperature rise is seen as a stable state, then with ambient temperature difference is compared to its temperature rise.
6.8 When the set time arrived, time indicator will light up, then end the test, turn the power off, remove the specimen, finishing equipment.
VII. Note for European power cord:
7.1 Do not place the moist environment, good air circulation needs.
7.2 in the home for, 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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