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Model 3555B Section II
SECTION II
INSTALLATION
2-1. INSPECTION.
2-2. The set was carefully inspected both
mechanically and electrically before shipment. It should
be physically free of mars or scratches and in perfect
electrical condition on receipt. To confirm this, the set
should be inspected for physical damage in transit, for
supplied accessories and for electrical performance.
Paragraph 5-7 outlines the electrical performance
checks using test equipment listed in Table 5-1. If there
is damage or deficiency, see the warranty in the front of
this manual.
2-3. WARRANTY EXCEPTION.
2-4. The battery supplied with the 3555B is
warranted for a period of 60 days, beginning at the time
of receipt of the set. This warranty is based on an
expected battery life of 180 hours at 4 hours per day at
700 F as specified in Table 1-1 in this Manual.
2-5. POWER REQUIREMENTS.
2-6. This set is designed to operate from an internal
45 volt dry cell battery, an external 24 to 48 volt CO
battery or from an ac power source (115/230V, 48 to
440Hz). The power source is selected by the AC/BAT
switch on the side of the, set. The line voltage is
selected by the 115/230 volt slide switch on the rear of
the set. The set is protected by a 0.1 5A slow-blow fuse.
2-7. THREE-CONDUCTOR POWER CABLE.
2-8. To protect operating personnel, the National
Electrical Manufacturers' Association (NEMA)
recommends that the panel and cabinet be grounded.
This set is equipped with a three-conductor power cable
which, when plugged into an appropriate receptacle,
grounds the set. The offset pin on the power cable
three-prong connector is the ground wire. This power
cable is detachable from the set and is stored inside the
front cover.
2-9. Figure 2-1 illustrates the standard power plug
configurations that are used throughout the United
States and in other countries. The -hp- part number
shown directly below each plug drawing is the part
number for a 3555B power cord equipped with the
proper plug. If the appropriate power cord is not
included with the instrument, notify the nearest Hewlett-
Packard office and a replacement cord will be provided.
Table 2-1. Suitable Batteries Meeting
NEDA 202 Specifications
Manufacturer Mfr. Part No.
Hewlett-Packard 1420-0026
Western Electric KS-14370
Military BA-59
Eveready 482
Burgess M-30
RCA VS013
Bright Star 3033-158, 30-33
Mallory M-202
Ray-O-Vac 202, P7830
Sears 6461
Wards 42
Wizard 3B6241
Zenith 2783
General W30B
Marathon 4202
National Carbon 482
2-10. BATTERY.
2-11. This set is operated from a single NEDA 202
45V dry cell internal battery or an external 48V CO
battery when the power selection switch, on the side of
the case, is in the DIAL/BAT position. Inserting a
Western Electric plug into the battery jack disconnects
the internal battery. (See Table 2-1 for batteries
suitable for use in this instrument.
Figure 2-1. Power Plugs.
2-1