Test set, proximity

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Ingenium, 1971.0046.001
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OBJECT TYPE: PROMIMITY METER/RESEARCH
DATE: 1954
ARTIFACT NUMBER: 1971.0046.001

MANUFACTURER: FIELDEN (ELECTRONICS) LTD.
MODEL: PM4A
LOCATION: Manchester, England

More Information

General Information

Serial #: 399
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: STEEL CASE & CHASSIS/ ALUMINUM PANEL/ METAL, GLASS& SYNTHETIC WORKING PARTS/ SYNTHETIC KNOBS

Dimensions

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

Length: 45.7 cm
Width: 25.4 cm
Height: 22.8 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Service-test equipment
Sub-Category: N/A

Manufacturer

AKA: FIELDEN
Country: England
State/Province: Unknown
City: Manchester

Context

Country: Canada
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: USED TO MEASURE THE DISTANCE BETWEEN TWO OBJECTS BY TRANSMITTING A PULSE OF HIGH FREQUENCY AUDIO ENERGY OR LOW FREQUENCY RADIO ENERGY AND COMPARING THE RETURN ECHO WITH THE TRANSMITTED PULSE. THE RESULTING PHASE DIFFERENCE INDICATES THE PROMIMITY. THE READING MAY ALSO BE DISPLAYED ON A CHART RECORDER
Technical: IT IS INTERESTING TO NOTE THAT YOU CAN NOW PURCHASE FROM CANADIAN TIRE, A DEVICE ABOUT 3 INCHES SQUARE THAT WILL MEASURE THE DISTANCE BETWEEN TWO OBJECTS AND PROVIDE A DIGITAL READOUT, ALL FOR LESS THAN $50.00
Area Notes: Unknown

Details

Markings: PRINTED ON FRONT PANEL: 'fielden/ PROXIMITY METER/ TYPE PM4A/ COARSE SENSITIVITY/ FINE SENSITIVITY/ OUTPUT'/ DECAL ON FRONT: 'electrodesign/ INSTRUMENTS & CONTROLS MONTREAL'/ ON METER: 'FIELDEN (ELECTRONICS) LTD./ MANCHESTER, ENGLAND/ S.100.1.42/ FS=1MA NO.AD56608'
Missing: N/A
Finish: CABINET, GREENISH GRAY GLOSSENAMEL/ PANEL, GREY HAMMERLIN ENAMEL/ BLACK KNOBS AND METER CASE
Decoration: N/A

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

FIELDEN (ELECTRONICS) LTD., Test set, proximity, circa 1954, Artifact no. 1971.0046, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1971.0046.001/

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