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Kit#: QK40 CAR BATTERY VOLTAGE METER :
Simple volt meter using different zener diodes . We make this kit from 9 volt to 15 volts. For the purpose of testing battery volts.
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Kit#: QK80 DIGITAL VOLT METER DC (D.V.M) :
This is general design 3 1/2 digit LED DC VOLT METER (panel meter) into your own voltage or current meter. Using 7107 IC. Range is 00.0 to 99.9 , separate display PCB.
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Kit#: QK83 DIGITAL TEMPERATURE METER :
7 Segment LED type digital temperature meter uses LM35 temperature sensor from Nationall semiconductors. We use the most common Analog to digital converter CA3162 and 7 segment display driver CA3161. The temperaure meter can sense and display the temperature upto 99.9 degree Centigrade.
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Kit#: QK84 DIGITAL VOLT METER AC (D.V.M) :
This is general design 3 1/2 digit LED DC VOLT METER (panel meter) into your own voltage meter. Using 7107 IC. Range is 0000 to 1999 , separate display PCB.
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Kit#: QK117 FREQUENCY METER :
Frequency meter is ideal to work with AC line. It can test upto 1KHz. We always use to set 50 Hz in our UPS kits so that was the main reason we did the kit.
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Kit#: QK118 REMOTE TESTER :
Universal infra red remote controll tester kit. Check the faulty keys of your infra red remote controll within few seconds. Out put will be on ringing piezo disc and blinking LED. Transformer supplied with kit.
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Kit#: QK119 TRANSISTER TESTER :
In circuit transistor tester. Locating a bad transistor on a circuit board crowded with components all soldered in place can be vexing problem. Whith an in-circuit transistor tester, however, you can determine the components general quality and also avoid damaging components and/or the foil pattern due to excessive soldering iron heat.
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