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G4HUP LC Meter Page
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This version uses a PIC16F628 and a 1 x 16 character LCD, with a PCB layout to fit a standard Hammond enclosure - giving a neat overall piece of test equipment. In addition to the basic design provided by Phil, the PCB includes the extra circuitry required to implement Microchip's ICSP (In Circuit Serial Programming), and also allows the optional use of a backlit LCD such that the backlight is permanently on when the unit is externally powered. When run from the internal battery the backlight is not accessible. Note that the standard kits I supply include an LCD that DOES NOT have a backlight - this is available as an optional alternative only.
Claimed range is 0.1pF to >100nF, and 0 to >10mH Accuracy is claimed as +/- 1% of the reading, +/-0.1pF or +/- 10nH It certainly performs well against other bridges that I have, and is considerably better at low inductance vaues than some other devices currently on the market in the UK Kits include PCB, programmed PIC, case and all hardware and components - please see the Orders page.
I can now offer these excellent little tweezer sets - ideal for use not only with the LC Meter, but also with your multimeter for measuring R's - especially those you find when you clean up the bench after some building work!
The tweezers are well constructed in RG174 coax, terminated at one end in the tweezer mechanism, and at the other in two good quality 4mm plugs. See the Kits, Prices and Ordering page for more details.