Equipment information:

Hewlett Packard 5085A Power supply
Manufacturer:
Hewlett Packard
Model: 5085A
Date: 1965
Category: Measurement instruments
Group: Power supply
Description: Standby Power Supply
Information:
                                    The Hewlett-Packard Model 5085A Standby Power Supply
provides uninterrupted regulated 24 volts dc at a 2-ampere
rated output. With the internal batteries at normal (60%)
charge, the Model 5085A has a standby capability of 14
ampere-hours at +25°C. A r eserve-char ge feature permits
charging the batteries to full capacity, providing 21
ampere-hours of standby power. The Model 5085A is designed
to be rackmounted; hardware necessary for rack installation
is supplied with the instrument (except screws for attaching
to rack).

The Standby Power Supply consists of: 1) ac-to-dc supply; 2)
battery supply regulator; 3) output voltage regulator; 4)
standby storage battery; 5) relay and indicator circuits.
When operating from ac line voltage, the supply provides
regulated 24 volts dc to the load and charging current to
the standby storage battery. When ac power is interrupted,
the battery immediately supplies power to the load, the
relay switches, and the AC INTERRUPT light indicates the
interruption of line power. When ac power to the Model 5085A
resumes, the circuits automatically return to the original
condition of supplying the load and charging the battery,
except that the AC INTERRUPT light remains on until manually
reset by pressing the RESET button. Normally, the internal
battery is charged to 60 per cent of its ampere-hour
capacity. The internal Normal Charge/Reserve Charge switch
enables charging the battery to full capacity.

These manuals are available for the above equipment:

Hewlett Packard -- 5085A -- Service and User Manual
File name: HewlettPackard-4901-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 48
Size: 45.68 Mbytes (47897016 Bytes)
Language: english
Revision:
Manual-ID/Number: 02277-1
Date: October 1965
Quality: Scanned document, all readable.
Upload date:
MD5: 051baaefcf9b52e96a0c61731848c5c7
ed2kID: 055cdb80f9cf23cb1fea5562b96e1565
Downloads: 104 since 24 November 2013
Information:
SERIALS PREFIXED: 604-
This manual applies directly to 0 Model 5085A Standby Power
Supplies having serial number prefix 604-,

OLDER INSTRUMENTS
This manual with changes provided in Appendix I applies to
older models having serial number prefix 524-,
HewlettPackard-4901-Manual-Page-1-Picture
Start Free Download


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