Radiosonde

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Ingenium, 1994.0141.001
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OBJECT TYPE
AUDIO-MODULATED/ELECTRICAL/DISPOSABLE
DATE
1991
ARTIFACT NUMBER
1994.0141.001
MANUFACTURER
VALCOM LTD.
MODEL
RAP
LOCATION
Guelph, Ontario, Canada

More Information


General Information

Serial #
RAP 91-062-079
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
PLASTIC & CARDBOARD CASING/ PLASTIC TRANSMITTER CONE/ SYNTHETIC & METAL WORKING PARTS/ CORD/ HYGRISTOR IN METAL CAN

Dimensions

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

Length
17.1 cm
Width
13.0 cm
Height
25.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Upper air pressure, temperature & humidity measurement
Sub-Category
N/A

Manufacturer

AKA
VALCOM
Country
Canada
State/Province
Ontario
City
Guelph

Context

Country
Canada
State/Province
Unknown
Period
C.1990
Canada
A CANADIAN MADE RADIOSONDE, MADE FOR THE ATMOSPHERIC ENVIRONMENT SERVICE.
Function
A DEVICE LIFTED BY BALLOON INTO THE UPPER ATMOSPHERE TO MEASURE TEMPERATURE, HUMIDITY, & AIR PRESSURE & TRANSMIT DATA TO EARTH. WIND SPEED & DIRECTION CAN BE DETERMINED BY TRACKING RADIOSONDE.
Technical
AN EXAMPLE OF A LATE 1980S-EARLY 1990S STYLE OF RADIOSONDE, CONTROLLED BY A BAROSWITCH WHICH HAS AN ANEROID SENSOR & ALSO SWITCHES IN THECERAMIC ROD THERMISTOR & ELECTROLYTIC PLASTIC STRIP HYGRISTOR, & REFERENCE RESISTORS. THE RADIOSONDE APPEARS VERY LITTLE CHANGED FROM THOSE OF THE 1970S & 1980S
Area Notes
Unknown

Details

Markings
BLUE LETTERING ON FRONT READS 'A/ VIZ/ PRODUCT/ MANUFACTURED BY/ Valcom LTD./ GUELPH, ONTARIO, CANADA'/ WHITE LABEL ON SIDE PRINTED IN BLUE READS 'RAP 91-062-079'/ WHITE & BLUE LABEL ON SIDE READS 'VIZ ACUU-LOK/ TEMPERATURE SENSOR/ Lock-in value at +30 Degrees Celsius/ 14263 OHMS 73.16 R.D./ LB/ CAUTION/ The R.D. Lock-in value is only applicable/ when used with ACCU-LOC radiosondes./ LOT 2442/ VIZ Manufacturing Co. Philadelphia, PA 19144 U.S.A.'/ BLUE PRINTED FRENCH & ENGLISH INSTRUCTIONS TO FINDER
Missing
APPEARS COMPLETE. HYGRISTORS WERE SUPPLIED SEPARATELY BY MFR. & USED WITH RADIOSONDE AS REQUIRED. THIS HYGRISTOR WAS ASSIGNED TO 940141 AT NMST.
Finish
WHITE CASING/ WHITE CORD/ MULTICOLOURED SYNTHETIC/ METALLIC PARTS
Decoration
MOULDED LETTERING ON TOP READS 'ATMOSPHERIC/ ENVIRONMENT SERVICE/ CANADA/ RADIOSONDE'/ TYPED LABEL ON CAN READS 'VIZ HUMIDITY SENSOR/ 1286-162 ACCU-LOK/ LOT: 3706 AUG 91/ LOCK-IN 13532 74.20 RD/ CALIBRATED AT 33% RH 25C'

CITE THIS OBJECT

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

VALCOM LTD., Radiosonde, circa 1991, Artifact no. 1994.0141, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1994.0141.001/

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