5790B
Operators Manual
2-2
Line power cords available from Fluke are listed in Table 2-2 and illustrated in
Figure 2-1.
Table 2-1. Standard Equipment
Item Model or Part Number
AC Measurement Standard 5790B
Mains Power Cord See Table 2-2 and Figure 2-1
Type "N" Extender (protects connector) 875443
5790B Manual CD
(Containing the Operators Manual)
4557940
Certificate of Calibration N/A
Environmental and Input Requirements
For full accuracy, the Product must be used in an ambient temperature within
±5 °C (±3 °C in Wideband) of the temperature of the last calibration. At any time
during operation, the absolute uncertainty for the present input, and the number
of days since the last verification is shown at the top of the measurement screen.
To operate the Product outside the specified temperature range, refer to the
Specifications in Chapter 1 for information about temperature coefficients.
Note
Inputs are protected from overloads on all ranges, but sources
connected to the Product must be current-limited to 200 mA or less,
be below 1000 V dc or rms ac, and be free of high-energy transients.
Placement and Rack Mounting
You can place the Product on top of a workbench or mount it in a standard 19-
inch wide, 24-inch (61-cm) deep equipment rack. For bench-top use, the Product
is equipped with non-slipping, non-marring feet. To mount the Product in an
equipment rack, order the accessory Y-5737 Rack Mount Kit. The rack mount kit
comes with rack ears, 24-inch slides, fasteners, and an instruction sheet.
Warning
To prevent possible electrical shock, fire, or personal injury, do
not restrict access to the Product mains power cord. The mains
power cord is the mains disconnecting device. If access to the
power cord is inhibited by rack mounting, a properly rated
accessible mains disconnecting switch must be provided within
reach as part of the installation.
The area around the air filter must be at least 3 inches from nearby walls or rack
enclosures.
The exhaust perforations on the sides of the Product must be clear of
obstructions for 3 inches.
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