5790A AC Measurement Standard

5790A AC Measurement Standard
5790A AC Measurement Standard
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5790A AC
Measurement Standard
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Automated AC
measurement with
precision that is easy
to use
The 5790A is a complete automated
ac measurement standard designed
for the most demanding calibration
applications. It combines the
accuracy you would expect from a
thermal transfer standard with the
ease-of-use of a digital multimeter.
Absolute ac voltage measurement
uncertainties are as low as ±24 ppm
(one year, 23oC ±5oC). The 5790A
is designed to meet the complete ac
voltage and wideband verification requirements of the Fluke 5700A, 5500A
and other calibrators, amplifiers like the 5725A and 5205A, and transfer
standards and ac voltmeters.
The 5790A covers an alternating voltage range of 700 µV to 1000V, and a
frequency range of 10 Hz to 1 MHz. A wideband voltage option extends
frequency range to 30 MHz to meet the calibration requirements of Fluke
5700A, 5720A and 5100 Series Wideband Options.
The 5790A is also compatible with Fluke A40 and A40A Current Shunts,
which permit you to make ac/dc current transfer measurements up to 20A.
The 5790A may be used alone or as a transfer standard with an external dc
source. In either case the normally tedious switching and calculations are
performed automatically by the 5790A, and the resulting ac/dc difference is
displayed directly on the easy-to-read vacuum fluorescent display.
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5790A AC Measurement Standard Features
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5790A AC Measurement Standard
Features
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Versatility that keeps you
productive
Designed with your support
requirements in mind
Versatility that keeps you
productive
When you first power up the 5790A, diagnostics verify the instrument's
integrity.
The variety of input connections allows you to use the one that best suits
your application. There are four sets of input terminals on the 5790A, two
Type-N connectors and two sets of five-way binding posts. One Type-N and
one set of binding posts are dedicated to the ac measurement and transfer
modes. AC or dc voltages may be applied to either input connection over the
5790's full range, allowing you to perform automated ac/dc transfer
measurements. The 5790A determines automatically whether the applied
voltage is ac or dc.
The second Type-N input connection supports the optional wideband mode,
and the second set of binding posts are designed for Fluke A40 Series
Current Shunts.
The input connection is selected with the touch of a key on the 5790A front
panel. An LED indicates which selection is active.
Whether you are using the 5790A as a voltmeter or a transfer standard,
input voltage and frequency are always indicated on the measurement
display. In the transfer mode, the ac/dc or ac/ac difference is always
indicated on the control display in ppm, %, volts or ratio.
The 5790A is a fully autoranging instrument and selects the best voltage
range for the measurement you are making. You may also select and lock in
ranges manually. Robust 1200V input protection is active on all voltage
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5790A AC Measurement Standard Features
ranges.
Using the trigger keys, the 5790A can switch from continuous to single
measurements of the input voltage, making it easy to take sample readings
at predetermined intervals.
When using the 5790A in transfer mode, the reference voltage is stored
automatically, and all ac/dc or ac/ac difference measurements are made
relative to it. At any time, you can view the reference by pressing the VIEW
REF key. You may also store the average of two voltages as a reference to
eliminate dc reversal errors, for example.
The intuitive front panel layout of the 5790A makes manual operation fast
and simple. Keys and selections are logically arranged and labeled. And
messages and menus are displayed clearly on the 5790A's bright, vacuum
fluorescent display.
The 5790A is at home in automated systems as well. GPIB/IEEE-488 and
RS-232C interfaces are included and all functions of the instruments can be
controlled by a variety of host computers, including PCs. Using an available
instrument driver, the 5790A can be integrated into automated systems
operating under MET/CAL® Plus Calibration Software.
Designed with your support requirements in mind
The 5790A provides a self-contained calibration procedure designed to
simplify periodic performance verification. The operator is prompted on what
actions to take. To minimize the equipment required, the 5790A is designed
to be supported by the Fluke 792A AC/DC Transfer Standard.
© 1995 - 2000 Fluke Corporation
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5790A AC Measurement Standard Specifications
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5790A AC Measurement Standard
Specifications
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●
Specifications
Specifications
ACV Measurement
Range:
700 µV to 1000V
10 Hz to 1 MHz
Best 1Year Specification: ± 24 ppm
Wideband
Measurement
Range:
700 µV to 7V
10 Hz to 30 MHz
Best 1Year Specification: ± 0.35%
Warm-up Time
30 minutes
Relative Humidity
Operating:
45% to 50°C; 75% to 45°C; 95% to 30°C
Storage:
< 95% non-condensing
Altitude
Operating: 3,050 meters (10,000 feet)
Non-Operating: 12,200 meters (40,000 feet)
Temperature
Operating: 0°C to 50°C
Calibration: 15°C to 35°C
Storage
-40°C to 70°C
EMI/RFI
Complies with FCC Part 15 Subpart B, Class B; VDE 0871,
Class B; ESD: EIA PN-1361. Surge: ANSI C62.41-1980,
Category A
Reliability
MIL-T-28800D, paragraph 3.13.3
Line Power
47 Hz to 63 Hz; +/-10% of selectable line voltages: 100V,
110V, 115V, 120V, 200V, 220V, 230V, 240V
Safety
Complies with UL 1244 and IEC348-1978 and IEC 1010 and
CSA C22.2 No. 231
Remote Interfaces
RS-232C, IEEE-488
Maximum Power
5790A: 95 VA;
with wideband: 120 VA
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5790A AC Measurement Standard Specifications
Size
Height: 17.8 cm (7 in) standard rack mount +1.5 cm (0.6 in)
Width: 43.2 cm (17 in)
Depth: 63 cm (24.8 in)
Weight
5790A: 24 kg (53 lbs.); with wideband: 24.5 kg (54 lbs.)
© 1995 - 2000 Fluke Corporation
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5790A AC Measurement Standard Models, Options & Accessories
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5790A AC Measurement Standard
Models, Options & Accessories
Product Home | Features | Specifications | Models, Options & Accessories
Model Name
Product Description
5790A
AC Measurement Standard
Available Accessories and Options
Model Name
Accessory or Option Description
5440A-7002
Low Thermal Copper EMF Plug-In Cables
5790A-03
Wideband AC Measurement
A45-4004
Output cable for A40A current shunt. Connects the output of
the A40A to the 792A-7004 Adapter.
Y5737
5790A Rack Mount Kit. Includes 24" slides that allow for side
ventilation.
Y8021
Shielded IEEE-488 Cable, 1m
Y8022
Shielded IEEE-488 Cable, 2m
Y8023
Shielded IEEE-488 Cable, 4m
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