Shelfmark

csi.924

Maker

Cambridge Instrument Co. Ltd.

Subjects

Ammeters; Voltmeters; Wattmeter; Dynamometer; Electromotive force; Electric meters

Title

Milliammeters, ammeters (electrodynamic type)

Description

The meters are introduced as having high electromagnetic efficiency, resulting from the use of a magnetic system containing high grade nickel-iron alloy. Further details about the instruments appear under the heading: General. Then each one appears separately together with a brief paragraph of description:-
Dynamometer Milliammeter; [illustration]
Milliammeters;
Specifications:
Ranges Milliamperes, Resistance approx. ohms, Cat. No.;
Dynamometer Ammeter; [illustration]
Ammeters;
Specifications:
Ranges Amps, Burden approx V.A., Cat No;
Dynamometer Voltmeter; [illustration]
Voltmeters;
Specifications:
Range Volts, Resistance ohms/volt., Cat. No.
Multi-range Wattmeter [illustration]
Wattmeters;
Specifications:
Ranges: Volts, Amperes, Multirange, Cat. No
Wattmeter for Meter Testing [illustration]
Wattmeters for meter testing; Wattmeters for iron losstesting;
Specifications:
Rated Voltage, Rated Current, Watt Ranges, Scale, Cat. No.
A.C. Test Set [illustration]
A.C. Test Sets; Current Transformer (Multirange); Series
Resistance Multipliers;
Specifications:
Rated Voltage, Rated Current, Watt Ranges, Scale, Cat. No.
Reflecting Dynamometer Wattmeter [illustration]
Cambridge reflecting dynamometer wattmeter;
Specifications:
Watts full scale, Range box ranges, Period undamped (secs),
Accuracy of calibration, Cat. No.
Range Box [illustration]
Cambridge reflecting dynamometer universal pattern;
Specifications:
Watt ranges, Ampere ranges full scale, Volt ranges full scale,
Period undamped, Accuracy of calibration, Cat. No.

Earliest Date

Latest Date

Pages

4

Address

13, Grosvenor Place, London, S.W.1 [England]; London & Cambridge (works)

Other Makers

Cat no

List 272/1

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref