Model 4342A
Section I
Paragraphs l-1 and 1-2
SECTION I
GENERAL INFORMATION
l-l. INTRODUCTION. specific frequencies by setting the frequency
dial to the "L" point on each frequency range.
1-2. The HP Model 4342A Q Meter is designed
to meet the requirements for making easy and Flat oscillator output, automatically level-
accurate quality factor measurements in the controlled over the entire frequency ranges,
laboratory, on the production line, or in QA is a feature of the 4342A. This advantage
incoming inspection areas. The direct read- obviates the necessity for frequent oscil-
ing,expanded scale of the 4342.4 permits meas- lator level adjustments to maintain the out-
urement of Q from 5 to 1000 and the reading put level constant or the use of a specially
of very small changes in Q resulting from matched fragile thermocouple level meter.
variation in test parameters. The long fre-
quency dial scale and the pushbutton range The high reliability of the instrument and
selector continuously cover the frequency ease of operation are the direct results of
range of 22kHz to 7OPlHz (in seven - l/3 de- these measurement advancements in the 4342A.
cade steps) and permit setting the frequency
to an accuracy of 1.5% with 1% resolution. For determing the resistance, reactance, or
quality factor of capacitance and inductance
The calibrated long-scale capacitance dials samples in the high frequency region, the
permit reading the capacitance of the 4342A is a most versatile measuring instru-
tuning capacitor at an accuracy of 1% and ment. The 4342,1 can measure the dissipation
provides the capability for varying the factor and dielectric constant of insulating
capacitance with O.lpF resolution on the materials, coefficient of coupling, mutual
vernier scale. Inductance of sample can be inductance, and the frequency characteristics
read directly from the inductance scale ad- of transformers. Accessories which extend
jacent to the capacitance scale at seven the measurement capabilities, designed for
Figure l-l. Model 4342A Q Meter. |