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The Fluke
792A is an ultra-high accuracy AC/DC Thermal Transfer Standard,
designed to meet the most demanding ac traceability requirements.
Using the patented Fluke RMS sensor and thin film range resistors,
the 792A offers an extraordinary transfer accuracy, with total
uncertainties of as low as 10 ppm ( 5 ppm from the National
Institute of Standards and Technology ¾ NIST). The 792A also
provides a wide voltage range of 2 mV to 1000V, and a wide frequency
range of 10 Hz to 1 MHz.
The Fluke
solid-state RMS sensor also provides the 792A with remarkable
temperature stability and fast settling time. Now you can be ready
to make measurements in 30 seconds instead of 30 minutes. To
simplify the transfer process, the 792A's 2V output permits you to
use a high-resolution digital multimeter rather than a null
meter.
The Fluke
792A is designed to support the calibration of the most accurate ac
instruments in your standards lab workload, including calibrators
like the Fluke 5700A/5720A, voltmeters like the Fluke 8506A or the
HP 3458A, and ac measurement standards like the Fluke 5790A.
The 792A
consists of four units. The Transfer Unit is the main analog
component of the 792A for the 20 mV to 220V ranges. Stainless Steel
Type-N connectors assure low signal loss and high measurement
repeatability. The separate Power Pack unit permits the Transfer
Unit and 1000V Range Resistor to be shipped independently for
calibration. The 1000V Range Resistor isolates the heat generated at
high voltages outside the main Transfer Unit. The Range Resistor has
a low temperature coefficient, stabilizes quickly and exhibits small
ac/dc differences. The Transfer Switch provides for switching
between the ac and dc inputs.
