Custom-Cal has a high success rate in the repair of the FLUKE 5790A. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the FLUKE 5790A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   FLUKE 5790A   Description / Specification:    
FLUKE 5790A AC Measurement Standard

The Fluke 5790A AC Measurement Standard is a systems instrument that measures ac voltage with the uncertainty of a thermal transfer standard. You control the 5790A's operation from the front panel or remotely over the serial or IEEE-488 interface. You can operate the 5790A in measurement mode or transfer mode. In measurement mode, the 5790A operates as a digital ac voltmeter with up to 8 digits of resolution. Measurement mode uses an internal dc reference. In transfer mode, you apply an external dc or ac reference source. The 5790A automatically performs switching and calculations, and displays the resulting ac-dc or ac-ac difference on the vacuum fluorescent Control Display. The 5790A covers a voltage range of 700 ┬ÁV to 1000 V (70 mV minimum in transfer mode), and a frequency range of 10 Hz to 1 MHz. A wideband voltage option extends frequency range to 30 MHz. The 5790A is also compatible with Fluke A40 current shunts, which permit you to make ac-dc or ac-ac current transfer measurements up to 20 A. Refer to the specifications for details. A 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 50 ohm Type "N" connectors and two sets of five-way binding posts. One 50 ohm Type "N" and one set of binding posts is dedicated to the ac measurement and transfer modes. AC or DC voltages can be applied to either input connection, allowing you to perform automated ac-dc transfer measurements. The second Type "N" input connection supports the optional wideband mode, and the SHUNT binding posts are for Fluke A40 Series current shunts.


Standard Calibration $5,885.00 *
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*This is a Web introductory price for one calibration of the FLUKE 5790A. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.

Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Crest Factor
Crest factor or peak-to-average ratio (PAR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform

Linearity is the relative difference between the displayed power ratio, Dx/D0, and the actual (true) power ratio Px/P0 caused by changing the displayed power level from the reference level, D0, to an arbitrary displayed level, Dx.

Phase Noise
Phase noise is the frequency domain representation of rapid, short-term, random fluctuations in the phase of a waveform, caused by time domain instabilities. Phase noise (L(f)) is typically expressed in units of dBc/Hz, representing the noise power relative to the carrier contained in a 1 Hz bandwidth centered at a certain offsets from the carrier.

Sensitivity is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.

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