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Fluke 5100A Kalibrator
Modell: 5100A
Kategorie: Messgeräte
Gruppe: Kalibrator
                                    5100A/5101A Calibrator
The 5100 Series offers the flexibility of calibrating and
testing all types of meters with a single calibrator. You no
longer need separate sources for dc volts, ac volts, current
or resistance. The 5100 Series is at home calibrating
everything from one-function panel meters to autoranging
digital multimeters having up to 4'/2 digits of resolution.
Flexibility of operation is also impressive. First, you can
use the 5100A much as you would any calibrator on the bench,
performing all the procedural calibration steps by hand, but
letting the 5100A’s microprocessor do the error computations
for you. Or you can choose the 5101A if you want automated
testing via the built-in cassette tape — using procedures
you “write” yourself. Finally, you can opt for full systems
applications using IEEE Std. 488 or EIA Std RS-232 interfaces.
Optimized Calibration
The 5100 Series provides all the voltages, currents,
frequencies, and resistance needed to calibrate modern
analog and digital multimeters. An inspection of the ac
voltage specifications will show voltages to 1000V rms are
available at 400 Hz, but only lower voltages are provided at
other frequencies. This was done for several reasons.
First, only’ä very few, mostly uncommon, voltmeters require
recalibration at volt-hertz levels not provided by the 5100
Series. Even these may still be properly calibrated with the
5100 Series. Consider the ac to dc converter. A modern DMM
converts ac input voltages to proportional dc levels through
a circuit called the ac converter. The converter consists of
two elements requiring recalibration: the input attenuator
and a wide-band operational amplifier. The attenuator is a
passive resistive - capacitive network which attenuates high
voltage signals to 1 volt or 0.1 volt (typical)
before being applied to the amplifier. The attenuation ratio
(frequency response) is usually a calibration step in a DMM
and may readily be recalibrated with a high voltage low
frequency and a low voltage high frequency. Such voltages
are provided by the 5100 Series calibrators. The amplifier
is also calibrated for frequency response, but always at low
levels regardless of frequency since its maximum input from
the attenuator is typically one volt. Second, calibrators
with a wide volt-hertz dynamic range, such as the Fluke
5200A/5205 A, require increased power at the output to
compensate for the effects of capacitive loading. This
output power at high voltage and frequency is also presented
to the operator and equipment. Therefore, high power
calibrators are a special case requiring skilled,
experienced operators. Thirdly, recalibration of voltmeters
does not generally require a wide dynamic range of voltage
and frequency. To include such capability would add
unnecessarily to the size, weight, complexity, and cost of
the calibrator.
Up to three-fourths of the workload of meter calibration
laboratories and production lines consists of analog and
digital meters with 4'/2-digits or less resolution. The
5100A Calibrator will calibrate these meters quickly and
Operating the 5100A is simple and straightforward. You enter
data via a calculator type keyboard in the same format that
you encounter it in the manufacturer’s cal procedure. No
need to convert volts to dBm or dBm to volts. The 5100A
performs the mathematical computations associated with
calculating the error of the unit under test (UUT) in % or
in dB. Then it indicates to the operator whether the UUT
passed or failed the test and the magnitude of the error.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Fluke -- 5100A -- Datenblatt
Dateiname: Fluke-7635-Manual-Page-1-Picture
Dokumenttyp: Datenblatt
Seitenanzahl: 3
Dateigröße: 288.90 Kbytes (295833 Bytes)
Sprache: Englisch
Qualität: Gescanntes Dokument, alles ist lesbar.
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Downloads: 54 seit 28 Januar 2016
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