Sencore - LC53 - Analyseeinheit
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LC53
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DYNAMIC CAP TESTING. The
“Z METER” is the most reliable
capacitor tester on the market at
any price. That’s because it is the
only tester that dynamically tests
capacitors for capacity value,
leakage (at full rated voltage up to
600V) and dielectric absorption (a
patented test). According to
thousands of tests made by
Sencore Field Engineers, less than
25% of all capacitor defects cause
a value change. Only the
“Z METER” steps in to find the
remaining 75% that give so much
trouble loading circuits, causing
excess hum, upsetting biases, or
who knows what. Value only
testers, and bridges will mislead
you. You need all three “Z METER”
tests to be sure.
The use of capacitors in electronics has dramatically
increased in the past few years and the forecast is for
even a greater usage. The transistor has given way to
the IC, but due to the nature and construction of the
capacitor and the inductor, these are not replaced with
ICs. The more ICs that are used, the more capacitors
and inductors that will be used. The tolerance of the
capacitor used to be 20%, but today, you will find
circuits having 5% tolerance capacitors as standard.
The use of electrolytic capacitors has also drastically
increased as well as the capacity range. Lytics of
10,000 uF can be found in many consumer electronic
items. Now more than ever, the need to measure
capacity value, leakage of the capacitor, inductor value
and quality of the inductor has become very important.
Without a good measure of these important parameters,
proper circuit operation becomes more
difficult. Sencore has met the challenge head-on with
its all new, autoranging “Z METER” , the LC53. Now
capacitors can be checked for value and for leakage at
the rated working voltage on a digital readout.
Inductors can be checked for inductance and for
quality with the patented Sencore ringing test. The
LC53 is truly the first complete capacitor and inductor
analyzer.
FEATURES
The Sencore LC53 “Z METER” features advanced
Digital Logic circuits that provide autoranging of the
meter when checking the values of capacity or inductance.
Simply hook up the capacitor or the inductor,
press the proper VALUE button, and read the value on
the large digital readout.
The “Z METER” also checks capacitors for leakage
with two selectable current ranges a t the rated
working voltage from 3 Volts to 600 Volts. An LED
(located between the LEAKAGE button and the
APPLIED VOLTAGE switch) will flash on and off as
a safety reminder when the leakage test voltage is set
to 50 Volts or above.
The Sencore patented ringing test checks coils,
deflection yokes, and non-iron core transformers with
an accurate check of good or bad. There are six switch
selectable impedance matching positions to match the
coil to the test circuit from 10 uli to 10 II. Good coils
will show 10 or more ringing cycles on the digital display
while bad ones will show less than 10.
A special LEAD ZERO control lets you balance out
the capacity or inductance of the test leads I'or those
accurate readings of the very small capacitors and
coils that you may encounter. The “Z METER” is also
protected against accidental application of voltages to
the test leads by a front panel replaceable fuse and a
special relay inside the instrument.
3 Handbücher
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Reparatur und Bedienungsanleitung
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Schaltplan
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