Apparatuur informatie

Hickok Electrical Instrument Company 244 Voeding
Fabrikant:
Hickok Electrical Instrument Company
Model: 244
Datum:
Categorie: Meetinstrumenten
Groep: Voeding
Beschrijving: Mobil/Comm DC Power Supply
Informatie:
                                    DESCRIPTION

The Hickok Model 244 Mobil/Comm Power Supply is a compact,
state-of-the-art, precision instrument, designed to supply
filtered, regulated, direct current, applicable to
servicing automotive-type electronic equipment, specifically
personal communications transceivers such as Citizen Band
units.

Model 244 incorporates features of particular value
to the communication equipment technician. The voltage
output is variable from 10 to 14.5 Vdc with a calibrated
meter designation for 13.8 Vdc. The current output
is capable of supplying 0 to 3 amperes. Both voltage
and current are metered. "Foldback" current limiting
makes the Model 244 absolutely burn-out proof. Even a
dead short across any output terminals will cause no
damage. There are no circuit breakers to reset, or fuses
to replace. After the short circuit is removed, the
 unit will return to normal operation. During shorted
or high current conditions, the "foldback" current limit
circuit reduces available current to approximately 1.4
amperes and the OVERLOAD indicator lamp lights. Three 5-way
output binding-post terminals are provided on the
front panel, +, -, and ground. Depending on the application,
the unit may be operated up to 500 volts off ground potential.

Deze handboeken zijn beschikbaar voor de bovengenoemde apparatuur:

Hickok Electrical Instrument Company -- 244 -- Service-en gebruikershandleiding
Bestandsnaam: Hickok-3865-Manual-Page-1-Picture
Manueel de Type: Service-en gebruikershandleiding
Pagina 's: 22
Grootte: 15.77 Mbytes (16534186 Bytes)
Taal: Engels
Herziening:
Handleiding-ID/Number: 2490-678
Datum:
Kwaliteit: Gescand document alle leesbaar.
Uploaden datum:
MD5: e50a774ec47e649c0434b5499b706fec
Downloads: 156 Sinds 07 januari 2013
Informatie:
TABLE OF CONTENTS
SECTION	Page

I	GENERAL INFORMATION ................1

Description..........................1

Specifications..........................2

Controls and Indicators Description..........3

II	OPERATION............................5

General ............................5

Preliminary Operation....................5

Operation............................5

Using Model 244 to Power Automotive . .	6 Radio Equipment

Using Model 244 with Output Referenced . .	6 to Ground

III	APPLICATIONS..........................7

Testing Citizen Band Transceivers............7

IV	THEORY OF OPERATION..................8

General..............................8

Regulator............................8

Overload Condition......................8

Overload Protection ....................8

Metering............................9

V	MAINTENANCE ........................10

General..............................10

VI	CALIBRATION..........................11

General ............................11

Equipment Required..................11

Preliminary..........................11

Maximum Output Voltage Adjustment ...	12

Panel Meter Voltage Calibration..........12

Panel Meter Current Calibration..........12

Foldback Current-Limiting Calibration ...	13

VII	PARTS LIST............................14
Hickok-3865-Manual-Page-1-Picture
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