EDC Electronic Development Corporation CR103 Compteur de fréquence
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Modèle:
CR103
Date:
1979
Catégorie:
Groupe:
Description:
DC Voltage and Current Standard
Information
1.1.0 GENERAL DESCRIPTION
1.1.1 The Model CR103 is a versatile combination of a
high accuracy DC Current source, a high accuracy DC Voltage
source and Calibrator, combined in one instrument.
1.1.2 The unit is laboratory calibrated against a primary
measuring system, having an absolute error of less than
lOppm. The saturated standard cells used are certified, and
are traceable to the National Bureau of Standards, having
a long history of documented Stability.
1.1.3 Current and voltage Calibrator controls are obtained
through front panel rotary and decade switches.
No trims of adjustments required between Calibration Cycles.
Adjustment settings are made at final calibration and are
fully described under calibration procedures.
1.1.4 The circuitry is completely solid state packaged
in discrete, hybrid and integrated circuit modules. These
are proven circuits, using derated components to insure
maximum reliability. Major discrete circuits are packaged on
etched glass epoxy boards, so that the instrument can
withstand abnormal environmental conditions.
The instrument is also overload and short circuit protected.
Type manuel:
Service et Manuel de l'utilisateur
Pages:
28
Taille:
884.41 Kbytes (905637 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
1979 01 01
Qualité:
Document scanné, la lecture en partie mal, en partie illisible.
Date de transfert:
2017 09 20
MD5:
ec6f21d7a5b5945b139993ed99cb62fc
Téléchargements:
474
Information
General Description and Application
Specifications
Installation
Operation of Instrument
Front Panel Control
Theory of Operation
Basic Circuitry (Block Diagrams)
Chopper Stabilized Amplifier
Mathematical Model
Overload Protection
Overload Indicator
Maintenance
Calibration
Parts Layout and Schematics
Certificate of Traceability to N.B.S.