5700A/5720A Series II
Operators Manual
8-4
8-4. Low Thermal EMF Test Leads
Two types of low thermal test leads are available. These cables are designed to exhibit
low thermal emfs. The types available are:
• Model 5440A-7002. Low Thermal Test Lead cables with banana plugs.
Set includes one 4 ft. (122 cm) cable and two 2 ft. (61 cm) cables. Each cable
includes two conductors and a shield lead.
• Model 5440A-7003. Low Thermal Test Lead cables with spade lugs.
Set includes two 4 ft. (122 cm) cables and One 2 ft. (61 cm) cable. Each cable
includes two conductors and a shield lead. Shield lead has a banana plug connector.
8-5. Rack Mount Kits (Y5737 and Y5735)
The rack mount kits provide all the hardware necessary to mount the calibrator and the
5725A Amplifier on slides in a 24-inch (61 cm) equipment rack. Model Y5737 is for the
5700A/5720A Series II and Model Y5735 is for the 5725A. Instructions are provided in
Chapter 2 and are also included with each kit.
8-6. Shielded IEEE-488 Interface Cables (Y8021 and Y8022)
Shielded IEEE-488 cables are available in two lengths (see Table 8-1). The cables attach
the calibrator to any other IEEE-488 device. Each cable has double 24-pin connectors at
both ends to allow stacking. Metric threaded mounting screws are provided with each
connector. Figure 5-2 in Chapter 5 shows the pinout for the IEEE-488 connector.
8-7. RS-232C Null-Modem Cables
An RS-232C Null-Modem Cable connects the calibrator to a printer, video-display
terminal, computer, or other serial device configured as DTE (Data Terminal Equipment).
Figure 6-1 in Chapter 6 shows the pinout for the rear-panel serial interface connector.
(For parallel printers, use the PAC33 Printer Adapter Cable.)
Chapter 6 contains instructions for transferring serial data from the calibrator. Chapter 5
contains instructions for operating the calibrator remotely.
8-8. DC Voltage Reference Standard (732B)
The Fluke 732B is a rugged, easily transported solid state direct voltage reference
standard with a highly predictable 10V output. This predictability allows the Fluke
Standards Laboratory, as well as many Fluke customers, to completely eliminate fragile,
saturated standard cells. Many laboratories that maintain standard cells use the 732B as a
transportable voltage standard, eliminating the need to transport their standard cells. The
732B can be short circuited, even for extended periods of time, without damage or loss of
stability. The 732B maintains full specified stability over a temperature span of 18 to
28ºC.
The calibrator uses a 10V reference standard such as the Fluke 732B in an automated
menu-prompted procedure to establish voltage traceability. Chapter 7 describes this
procedure.
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