Ammeter

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Ingenium, 1998.0138.001
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OBJECT TYPE: AC-DC/CLAMP
DATE: 1934
ARTIFACT NUMBER: 1998.0138.001

MANUFACTURER: Crompton Parkinson
MODEL: TONG-TEST
LOCATION: England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 3
AKA: N/A
Patents: N/A
General Description: .1 METAL BODY WITH SYNTHETIC METER COVER AND HANDLE; GLASS DIAL COVER/.2 METAL BODY WITH WOODEN HANDLE; SYNTHETIC METER COVER; GLASS DIAL COVER/.3 SYNTHETIC METER COVER WITH GLASS DIAL COVER;METAL WORKING PARTS

Dimensions

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

Length: 28.7 cm
Width: 10.7 cm
Height: 7.0 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: Crompton
Country: England
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: PROBABLY USED IN THE 1940S
Canada: EXAMPLE OF EARLY TEST METERS MADE IN CANADA
Function: USED TO MEASURE ALTERNATING OR DIRECT CURRENT IN A CIRCUIT.
Technical: PERMITS THE MEASUREMENT OF ALTERNATING CURRENT WITHOUT BREAKING THE CIRCUIT FOR THE INSERTION OF THE CONVENTIONAL AMMETER OR CURRENT TRANSFORMER. RAPID A.C. MEASUREMENTS CAN BE EASILY MADE ON INSULATED OR NON-INSULATED CONDUCTORS. [REF 1]
Area Notes: Unknown

Details

Markings: .1 MOLDED ON TOP: 'TONG-TEST/ CROMPTON PARKINSON ENGLAND'/ PRINTED ON DIAL PLATE: 'BEPCO CANADA LTD./ AMPERES/ A.C. OR D.C./ 0 200 300 400 500 600/ D.O.=READING + 29 AMPS TYPE B/ 1656/ CANADIAN PATENT NO. 336951'.2 MOLDED ON TOP: 'CROMPTON PARKINSON/ "TONG-TEST"/ MADE IN ENGLAND/ PATENT NO. 233808/24/ 247663/27'/ PRINTED ON DIAL PLATE: 'BEPCO CANADA LIMITED./ AMPERES/ A.C. OR D.C./ 0 100 150 200/ D.O. =READING - 5 AMPS 316184 [SAME AS 1]'/.3 MOLDED ON TOP - SAME AS.2/ PRINTED ON DIAL PLATE: 'BEPCO CANADA LIMITED/ AMPERES/ A.C. OR D.C./ 0 20 30 40 50 / D.O.=READING -2 AMPS. 316194 CANADIAN PATENT NO. 336951'
Missing: APPEARS COMPLETE
Finish: .1 TO.3 BLACK BODY AND HANDLE/.1 DIAL PLATE WHITE WITH BLACK PRINTING/.2 -.3 SILVER DIAL PLATE WITH BLACK PRINTING
Decoration: N/A

CITE THIS OBJECT

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

Crompton Parkinson, Ammeter, after 1934, Artifact no. 1998.0138, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1998.0138.001/

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