Meter, demand watt-hour

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OBJECT TYPE: SINGLE PHASE/INDICATING/3 WIRE
DATE: 1945
ARTIFACT NUMBER: 1997.0241.001

MANUFACTURER: Canadian Westinghouse Co. Ltd.
MODEL: DAH
LOCATION: Canada

More Information

General Information

Serial #: 3 000 141
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: ALUMINUM BASE AND CASE/ METAL AND SYNTHETIC WORKING PARTS/ GLASS COVER

Dimensions

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

Length: 20.5 cm
Width: 16.5 cm
Height: 19.5 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: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: PROBABLY USED IN THE 1940S AND 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 ONA 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 FACTORED INTO THEIR CHARGES.
Area Notes: Unknown

Details

Markings: PRINTED ON TOP PLATE: 'WATTS/ [SCALE 0 TO 1200]/ PAT. 1945/ S. PH. DEMAND ENERGY METER/ 3 000 141/ TYPE/ DAH/ MULT. BOTH/ READINGS BY/ 20/ CANADIAN/ WESTINGHOUSE/ CO. LIMITED/ VOLTS 230/ AMPS.75-100/ WIRE 3/ CYCLES 60/ Kh 36/ KW. F.S. 24/ TEST PERIOD/ IN MIN. 32/ STYLE/ 68OD650 AO1'/ PRINTED ON DIAL PLATE: 'Rr 555 5/9/ [4 DIALS WITH SCALES 0 TO 9]/ KILOWATT HOURS'/ DYNOTAPE 'S 258'/ HANDWRITTEN ON GLASS: 'AMPLE'
Missing: COVER PLATE OVER CONNECTING POINTS
Finish: BASE AND CASE PAINTED SILVER/ UNCOLOURED GLASS/ TOP PLATE WHITE WITH BLACK PRINTING
Decoration: N/A

CITE THIS OBJECT

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

Canadian Westinghouse Co. Ltd., Meter, demand watt-hour, after 1945, Artifact no. 1997.0241, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.0241.001/

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