General Information

Serial #

PROTOTYPE/CD510

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

COPPER OUTSIDE CASE; METAL AND SYNTHETIC WORKING PARTS; SODIUM IODIDE CRYSTAL

Dimensions

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

Length

16.5 cm

Width

12.5 cm

Height

32.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Atomic & nuclear

Sub-Category

N/A

Manufacturer

AKA

Harshaw

Country

United States of America

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

THIS ONE PROBABLY USED IN THE 1970S AND 1980S

Canada

THIS DEVICE WAS DESIGNED BY CNRL AS PART OF THE PROGRAM AT THE CHALK RIVER NUCLEAR LABORATORIES TO RESPOND TO THE REQUIREMENTS OF THE NRX AND NRU HIGH POWER RESEARCH REACTORS & ASSOCIATED RADIATION FACILITIES AT CHALK RIVER, ONTARIO. [REF 2]

Function

USED TO DETECT RADIATION CONTAMINATION AT A VERY LOW LEVELS.

Technical

THE INSTRUMENT COMPRISES A PROBE UNIT WHICH CONTAINS A PHOTOMULTIPLIER & ITS HIGH VOLTAGE SUPPLY, A SODIUM IODIDE CRYSTAL WHOSE SIZE MAY BE CHOSEN TO SUIT THE PARTICULAR MONITORING REQUIREMENT, & A PULSE PREAMPLIFIER. IT HAS TO BE CONNECTED TO A UNIT CONTAINING AN ANALYSER & COUNTER. [REF 2]

Area Notes

Unknown

Details

Markings

PRINTED ON MFG'S DECAL: 'SCINTILLATON/ CRYSTAL Nal(Tl)/ Type/ 12AC12-Q/ Serial/ CD 510/ HARSHAW/ MADE IN U.S.A.'/ HANDWRITTEN ON LABEL AFFIXED TO SIDE: 'Sodium Iodide/ Scintillator'

Missing

ELECTRONIC UNIT WITH THE ANALYSER AND COUNT RATE CIRCUITS [REF 2] From CA of 11/28/2001 by Matthew Bruce: No - appears complete

Finish

UNFINISHED/ BLACK AND SILVER MFG'S DECAL

Decoration

N/A