Meter, demand watt-hour

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OBJECT TYPE: SINGLE PHASE/INDICATING/3 WIRE
DATE: 1947
ARTIFACT NUMBER: 1997.0243.001

MANUFACTURER: Canadian Westinghouse Co. Ltd.
MODEL: CAH
LOCATION: Hamilton, Ontario, Canada

More Information

General Information

Serial #: 25 270 568
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: ALUMINUM CASE AND BASE/ GLASS COVER/ METAL TOP PLATES/ METAL AND SYNTHETIC WORKING PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 22.5 cm
Width: 18.0 cm
Height: 18.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: Measurement
Sub-Category: N/A

Manufacturer

AKA: Westinghouse
Country: Canada
State/Province: Ontario
City: Hamilton

Context

Country: Canada
State/Province: Ontario
Period: PROBABLY USED IN THE 1950S
Canada: MANUFACTURED IN CANADA. THIS ONE WAS KEPT AT THE DEPT. OF TRADE AND COMMERCE STANDARDS BRANCH AS PART OF ITS LEGAL OBLIGATIONS TO TEST AND MAINTAIN EXAMPLES OF METERS SOLD COMMERCIALLY IN CANADA.
Function: USED TO INDICATE THE MAXIMUM ELECTRICAL LOAD ON A CIRCUIT AVERAGED OVER 32 MINUTES IN KILOWATTS, AND TO MEASURE THE ENERGY CONSUMED IN AN ELECTRICAL CIRCUIT IN KILOWATT HOURS.
Technical: IN ORDER TO FAIRLY CHARGE CONSUMERS OF ELECTRICITY THE DEMAND REQUIRED BY A CONSUMER OVER A SHORT PERIOD OF TIME IS FACTOREDINTO THEIR CHARGES.
Area Notes: Unknown

Details

Markings: PRINTED ON TOP DIAL PLATE: '+ ZERO - + FULL SCALE -/ PATENTED/ 1935 1937/ 1938 1940/ 1941 1942/ 1944 1945/ 1947/ TYPE CAH/ THERMAL WATT DEMAND/ STYLE CA-66765-4/ SERIAL 25 70 568/ TEST PERIOD 32 MIN/ CANADIAN WESTINGHOUSE CO. LIMITED/ HAMILTON, CANADA/ WATTHOUR METER/ AMPS 15 RATED 60 CY/ 50 MAX 1 PHASE/ 120/240 VOLTS/ 3 WIRE/ 2 Kh/ [SCALE 0 TO 12]/ KILOWATT DEMAND'/ PRINTED ON BOTTOM PLATE: 'KILOWATT DEMAND'/ DYNOTAPE: 'S 113'/ MOLDED IN BOTTOM COVER: 'LINE LOAD'
Missing: APPEARS COMPLETE
Finish: CASE PAINTED WHITE GLOSS ON SIDES; SILVER PAINT ON BOTTOM/ UNCOLOURED GLASS/ GREY PLATE WITH BLACK PRINTING
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

Canadian Westinghouse Co. Ltd., Meter, demand watt-hour, after 1947, Artifact no. 1997.0243, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.0243.001/

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