Electro Scientific Industries DT 72A Test Set
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Model:
DT 72A
Datum:
1975
Categorie:
Groep:
Omschrijving:
Decade Transformer
Informatie
The MODEL DT 72A DEKATRAN DECADE TRANSFORMER is a laboratory
standard divider for establishing either voltage or current
ratios at audio frequencies.
The DEKATRAN circuit is an auto-transformer with a variable
tap. The tap position is indicated by the dial reading which
gives the ratio of output turns to input turns. Additional
windings extend the ratio above and below the input so that
voltage ratios of -0. 1 and +1. 1 are available.
The accuracy of the DEKATRAN is established by
intercomparisons over a wide range of frequencies and dial
settings, traceable to a special NBS -certified transformer.
Handleidingen type:
Gebruikershandleiding
Pagina’s:
38
Grootte:
9.12 Mbytes (9567265 Bytes)
Taal:
english
Herziening:
Handleidingen-ID:
7203
Datum:
1975 09 01
Kwaliteit:
Gescande document, lezen deels slecht, deels niet leesbaar.
Upload datum:
2016 09 12
MD5:
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Downloads:
505
Informatie
I INTRODUCTION
1.1 DESCRIPTION 1,1-1
1.2 FEATURES 1.2-1
1.3 SPECIFICATIONS 1.3-1
II OPERATION
2. 1 VOLTMETER CALIBRATION 2. 1 -1
2.2 AMMETER CALIBRATION 2.2-1
2. 3 VOLTAGE DIVIDER CALIBRATION 2.3-1
2.4 TRANSFORMER RATIO CALIBRATION 2.4-1 2. 5 IMPEDANCE
COMPARISON MEASUREMENTS 2.5-1
2.5.1 Capacitance Comparisons 2.5-5
III THEORY
3.1 SOURCES OF ERROR 3.1-1
3.2 LOADING EFFECTS 3.2-1
IV MAINTENANCE
4. 1 ACCESSING COMPONENTS 4. 1 -1
4. 2 PERIODIC MAINTENANCE 4. 1 -1
4. 2. 1 Visual Inspection 4. 1 -1
4.2.2 Cleaning and Lubrication 4.2-1
4.3 REPLACING THE DUST COVER 4.2-1
4.4 SCHEMATIC DIAGRAM 4.2-1
V PARTS LIST 5-1