Name: DEFSTAN 66-7(PT1)/3(1983) : 1983 AMD 1 1985
Brand: DEFSTAN

DEFSTAN 66-7(PT1)/3(1983) : 1983 AMD 1 1985

Withdrawn

INSTRUMENTS, ELECTRICAL INDICATING (SEALED) 50 MM TO 100 MM - PART 1: SPECIFICATION

Withdrawn date

27-05-2004

Published date

12-01-2013

Publisher

UK Ministry of Defence Standards

CLAUSE
1 SCOPE
2 WARNING
3 RELATED DOCUMENTS
4 DEFINITIONS
5 MATERIALS AND COMPONENTS
6 CONSTRUCTION
7 MARKING
8 QUALIFICATION APPROVAL
9 QUALIFICATION APPROVAL TESTING
10 PRODUCTION ACCEPTANCE AND BATCH SAMPLING TESTING
ANNEX A - SCHEDULE OF TESTS
          A.1 - INTRODUCTION TO SCHEDULE OF TESTS
          A.2 - GENERAL EXAMINATION AND DIMENSIONS
          A.3 - MASS
          A.4 - TERMINALS
          A.5 - BALANCE
          A.6 - DETERMINATION OF INTRINSIC ERROR
          A.7 - VARIATION DUE TO MOUNTING IN A FERROUS PANEL
          A.8 - VARIATION DUE TO POWER FACTOR
          A.9 - VARIATION DUE TO UNBALANCED LOAD (POLYPHASE
                WATTMETERS ONLY)
          A.10 - MOVEMENT HYSTERESIS
          A.11 - DAMPING
          A.12 - VARIATION OF INDICATION DUE TO AN EXTERNAL
                 MAGNETIC FIELD
          A.13 - POWER CONSUMPTION
          A.14 - TEMPERATURE COEFFICIENT
          A.15 - EFFECT OF HIGH TEMPERATURE AT RATED FULL SCALE
                 DEFLECTION
          A.16 - EFFECT OF LOW TEMPERATURE AT 2/3 OF RATED FULL
                 SCALE DEFLECTION
          A.17 - OVERLOAD
          A.18 - TRANSIENT OVERVOLTAGE
          A.19 - VOLTAGE TEST
          A.20 - INSULATION RESISTANCE
          A.21 - SEALING
          A.22 - HIGH TEMPERATURE STORAGE
          A.23 - FOGGING
          A.24 - LIFE
          A.25 - CLIMATIC
          A.26 - VIBRATION
          A.27 - BUMP
          A.28 - DAMP HEAT (STEADY STATE)
          A.29 - SHOCK (TO BE APPLIED TO THE 100 mm
                 INSTRUMENT ONLY)
ANNEX B - ILLUSTRATIONS

Outlines performance criteria for sealed, flush mounting, ammeters, wattmeters, voltmeters and frequency indicators.

DevelopmentNote	This standard is obsolescent because it is no longer required for the procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (07/2001) Supersedes DEFSTAN 66-7(PT1)/2(1976) (09/2003)
DocumentType	Standard
PublisherName	UK Ministry of Defence Standards
Status	Withdrawn
Supersedes	DEFSTAN 66-7(PT1)/2(1976) : 1976

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