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Handan gold mirror stainless steel both tracking testing machine given machine, order no. 20120302003

Handan gold mirror stainless steel both tracking testing machine given machine, order no. 20120302003

Detailed description

Handan gold mirror stainless steel both tracking testing machine given machine, order no. 20120302003

 

Production requirements according to the tracking tester test requirements and test result of standard production

 

Tracking of the tester to determine test requirements and test results

 

The test process

Test results determine voltage 250 v and short-circuit current in (1.0 + 0.1) for A fluid 50 drops, every drop interval of 30 s, two electrodes (1.0 + 0.05) N force

When the test loop, the short circuit current is greater than 0.5 A, time and maintain 2 s, instrument alarm at this time, try to decide the product is unqualified. Such as the test sample (s) in the fire burning also determine try not qualified.

 

4. The test conditions

 

4.1

Temperature: room temperature

Humidity: 85% or less.

Environment: good for ventilation

4.2 test equipment

 

Tracking test instrument

Auxiliary items: 0.1% ammonium chloride solution

 

May try to place and test methods

 

5.1.

Choose try: product circuit board base material to make the best choice, also can do the opposite of circuit board test face, such as selection circuit

Board positive need without conduction line the location of the test.

5.2

Adjust the drip: under the condition of the power to ensure that the host, will contain 0.1% ammonium chloride solution into the drip cup to 1/2 position, then separate the electrode around, put the glass dish at the base, used to catch the needlepoint dripping solution. Through to host the power again, press "drainage discharge certain solution, make the drip tube air net. Then set the 30 s and drip drip time interval number 50 drops, adjust the drip after will host the power cut off again.

5.3. Electrode regulation: under the condition of the power to ensure that the host, two electrode gap to adjust (4 + 1) mm, with a gauge. Then digital display pressure vessel under the two electrodes respectively in the surface, and adjust the electrode before and after the back-end farmar, make the force of the sample reached (1.0 + 0.05) N. After the debugging will try measuring position in under test under the two electrodes.

 

5. 4 voltage regulation: through to the host power supply and open the light, will test the door is shut, "reset" button, the light must be on at this time or you will not be able to detect. Then the voltage selection "knob until close to the test voltage 275 v a, press the" voltage "button, then adjust the voltage regulation knob, switch to test the voltage 250 v.

 

5.5 current regulation: "first" to adjust current knob to the minimum, press "electrode short circuit" button again, this time synchronization regulation "current adjusting knob, switch to current meter display value is (1.0 + 0.1) A

.

(note: when the short circuit current, according to the electrode short circuit button not more than 2 s, should maintain a click, adjust the, loose the rhythm, and at the same time observe the ammeter, if the short circuit current

Greater than 0.5 A, according to the "electrode short circuit" button for more than 2 s, relay action at this time, electrode without electricity, and call the police, if this is not to adjust well the current value, can press the "reset" button, and restart the regulation again) after the adjustment according to the "reset" button to test

 

Try.

5.6.

Press the "drip" button, the test start. Try during the test, such as current is greater than 0.5 A, time for more than 2 s, relay action,

Automatic cut off power and alarm,

Try not qualified.

The sample (s) such as a fire burning during the experiments also should immediately press the "stop" key or cut off the power supply end test.

5.7 after the test, screw the voltage regulation knob to the minimum, and the pop-up "voltage" button, press the "reset" key reset,

Then press the "drain" key, light test solution and changed into clear water clean liquid drip cup, drip pipe and electromagnetic valve, finally open the fan discharge waste gas and smoke, turn the power off after the row of net.

 

 

6 points for attention

6.1 when debugging the sample (s) or the clamping must disconnect the power supply.

6.2 don't open the fan in the experiment, so as not to affect the test result, under test completely ended, with the exhaust fan emptying of the waste gas.

6.3 at the end of each test must row light test solution and changed into clear water clean liquid drip cup, drip pipe and electromagnetic valve, electromagnetic valve to reduce corrosion.

7. The test result

7.1 to identify the test result according to the description of the table.

 

8. The calibration interval

8.1 the tracking tester calibration period is 12 months.

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