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Fluke 5700A Series II User Manual

Fluke 5700A Series II
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Options and Accessories
Amplifier 8
8-5
8-9. 1
and 10 k
Resistance Standards (742A-1 and 742A-10k)
The 742A Series Standard Resistors are available in values of 1 and 10 k to support
5700A/5720A Series II calibration. Constructed of arrays of Fluke wirewound precision
resistors, these standards are ideally suited as support standards for the calibrator.
Stability of the resistance transfer standards and their temperature coefficient make them
ideal for easy transport to and operation in the calibrator's working environment.
The calibrator uses 1 and 10 k resistor standards such as the 742A Series in its
automated calibration procedure to establish external traceability. Chapter 7 describes
this procedure.
8-10. 5725A Amplifier
The 5725A is available to extend the high voltage performance and current range of the
5700A/5720A Series II Calibrator.
An interface connector on the calibrator rear panel accepts the cable to directly operate a
5725A. Once you have connected the amplifier and configured the calibrator in a setup
menu, operation is controlled by the calibrator.
Chapter 4 provides instructions for operating the 5725A amplifier. The general
specifications at the end of Chapter 1 include specifications for operating the calibrator
with the 5725A. For other amplifier specifications, refer to their instruction manuals.
Table 1-1 summarizes the extended capabilities offered by each amplifier. Brief
descriptions of the extended capabilities follow.
The Fluke 5725A Amplifier is an external unit operating under calibrator control to
extend ac voltage drive capabilities and both ac and dc current output range. The
amplifier adds the following capabilities to the calibrator’s 1100V ac range with no
compromise in accuracy:
Frequency limits at higher voltage increase to 100 kHz at 750V, 30 kHz at 1100V.
Load limit increases to 70 mA for frequencies above 5 kHz.
Capacitive drive increases to 1000 pF, subject to the maximum output current.
Extended-performance voltage is available at the calibrator’s front or rear binding posts,
eliminating the need to change cables during a procedure.
A separate set of binding posts on the front panel of the 5725A supplies extended-range
ac and dc current outputs. Since most meters have a separate input terminal for the high
current ranges, this eliminates the need to change cables during a procedure. A 5720A or
5700A Series II paired with a 5725A can also be configured to source all current (both
standard calibrator-generated outputs and its own outputs) through the 5725A binding
posts.

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Fluke 5700A Series II Specifications

General IconGeneral
TypeMultifunction Calibrator
Operating Temperature0 °C to 50 °C
Storage Temperature-20 °C to 70 °C
Voltage Range0 to 1100 V
DC Voltage Range10 μV to 1100 V
Frequency Range1 MHz
Humiditynon-condensing
Power Requirements100 V to 240 V

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