Información del equipo:

Hewlett Packard 434A Medidor de nivel
Fabricante:
Hewlett Packard
Modelo: 434A
Fecha: 1959
Categoría: Los instrumentos de medición
Grupo: Medidor de nivel
Descripción: Calorimetric Power Meter
Información:
                                    Model 434A is a power meter which bridges the gap between
bolometric methods and conventional calorimetric methods
while retaining the advantages of both. Bolometric methods
of power measurement using the self-balancing principle are
fast, but the upper limit of power measurement is quite low
(10 to 100 mw). On the Other hand, conventional calormetric
methods are slow, and are not suitable at powers less than
about 1 watt.

By combining the self-balancing principle with a
calorimetric device, fast response has been obtained over
the range from 1 milliwatt to 10 watts.

Estos manuales están disponibles para el equipo anterior:

Tipo de manual: Servicio y Manual del usuario HewlettPackard-10062-Manual-Page-1-Picture
Páginas: 40
Tamaño: 2.47 Mbytes (2592667 Bytes)
Idioma Inglés
Revisión:
Manual-/ número de identificación: 434A001
Fecha: 01 enero 1959
Calidad: Documento Scaneds, en parte leyendo mal, no parcialmente legible.
Fecha de carga:
MD5: 931f42c04d589161331a671b86fba64b
Descargas: 41 desde 30 diciembre 2017
Información:
Serial 151 and above.

SECTION I GENERAL DESCRIPTION	Page

1-1
Introduction ... 1-1

1-2
Specifications ... 1-1

1-3 Damage in
Transit ... 1-1

1-4
Installation ... 1-1

SECTION II OPERATING INSTRUCTIONS

2-1
Introduction ... II
- 1

2-2 Controls and
Terminals ... II - 1

2-3 Operating
Precautions ... n-1

2-4 Filling the
Reservoir ... II - 1

2-5 Operating
Procedure ... II - 1

2-6	Attainable
Accuracy ... II - 1

SECTION III THEORY OF OPERATION

3-1
Introduction ... Ill
- 1

3-2 Over-all Operation
 ... Ill - 1

3-3 Input
Bridge ... in - 1

3-4 AC Amplifier, Synchronous Detector, and
Filter ... Ill - 2

3-5 DC Amplifier and
Clamp ... Ill - 2

3-6 Range
Switch ... Ill - 2

3-7 Meter
Circuit ... Ill - 2

3-8
Oscillator ... Ill
- 2

3-9 Power supply and Voltage
Regulator ... in - 3

3-10	Oil
System ... HI - 3

SECTION IV MAINTENANCE

4-1
Introduction ... IV-1

4-2 Cabinet Removal
 ... IV-1

4-3 Periodic
Maintenance ... IV-1

4-4 Conversion to 230 Volt
Operation ... IV-1

4-5 Tube Replacement
Chart ... IV-1

4-6 Cleaning the Oil Filter
 ... IV - 2

4-7 Power supply
Adjustment ... IV-2

4-8
Oscillator ... IV-2

4-9 Synchronous
Detector ... IV-2

4-10 Adjust DC
Zero ... IV-3

4-11 Adjust Phase
Balance ... IV-3

4-12 Adjust Bridge
Balance ... IV-3

4-13 Clamp Operation Check  ... IV-3

4-14 Over-all
Check ... IV-5

4-15 Measuring Compensated
Error ... IV-5

4-16 Trouble
Location ... IV-6

4-17 Measuring
Gain ... IV-6

4-18 Excessive Compensated
Error ... IV-6

4-19 Removing Head Box
Assembly ... IV-6
SECTION V TABLE OF REPLACEABLE PARTS

5-1 Table of Replaceable Parts ...  V-l
HewlettPackard-10062-Manual-Page-1-Picture


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