Kā mērīt a ventilators motors ar a digitālais multimetrs
1.Measure the coil with the resistance setting of the multimeter. No red and black pens, RX1K can also be used, jo the coil has no burn marks. As long as the coil is through is good, with 1K gear more sensitive. A meter pen connected to a wire.
2, cits pen saskaņā to mērījums of 3 vadi. One wire will be through, this is a group of spoles. The remaining 2 wires are the other set of coils. The two sets of spoles for this type of exhaust fan are exactly the same, and the start and run tinings can be nu set.
3, un tad mērs vai divi komplekti of spoles ir izolēti no katrs cits. As parādīts in the attēls.
4, tad multimetrs trigeris in the RX10K gear to measure the insulation of katra tinums.
5, the results of the measurement should be two tinings and shell is insulated, the pointer will not move. Note that that you can not let your hands touch the metal parts of the two pen. Because the human hands touch the meter pen also has tens of kilo-ohms of resistance, to achieve these two conditions, the motor is going to work normally.
Piesardzības pasākumi
1, look at the random fails
Motors ventilators nejauši aprīkots ar instrukcijām % 2c produkts sertifikācija % 2c elektrība elektroinstalācija shēmas un iepakojums saraksts % 2c pārbaude daļas.
2, look at the motors ventilators forma;
Uzmanīgi pārbaudiet the motors ventilators siets un ventilators asmens vai tur ir acīmredzams deformācija. Pagrieziens ventilators asmens, vajadzētu būtu gaisma un elastīgs, vajadzētu ne vienmēr stop in the same position.
3, izskats at sākums veiktspēja
Starts veiktspēja ir ir svarīgs kvalitāte indikators of the motors ventilators. Pārbaude, in slow gear, 85% of the rated spriegums of the power supply, the motors ventilators vajadzētu būt spēt sākt no a standstill, and normal operation, a motors ventilators from the start to normal operation of the shorter the time required, the motors ventilators start-up performance is better.
4, see the speed performance
After power on, the fan mechanical transmission part should not have abnormal noise. Motors ventilators in high, medium and low speed operation, motors un ventilators asmens vajadzētu būtu gluds, small vibration, low noise. Motors ventilators kratīšana galva, apstāšanās vajadzētu būtu agile, no intermittent, stagnācija and kratīšana parādība.
5, see if the noplūde
Motors ventilators pēc elektrība, roka pieskāriens tāds as a sastindzis elektriskais sajūta, tests ar a tests pen, tests pildspalva arī ir a gaisma displejs, var būt noteikts tas tas čaula noplūde, var ne būt.
6 % 2c izskats pie motora ventilatora nepārtraukta darbība
Pēc 2 stundas no nepārtraukta darbība of the fan, if the surface of the head shell is hot, the temperature is too high, can not be used. Under normal conditions, the head shell surface temperature below 50 degree , should not feel hot.
