General Information

Serial #

66 [PROBE]

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL; SYNTHETIC; FIBRE,COTTON

Dimensions

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

Length

34.0 cm

Width

12.5 cm

Height

16.0 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

Electronic

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Ontario

Period

THIS WAS USED IN THE 1950S UNTIL IT WAS REPLACED BY MODEL 2135 IN 1966 [SEE 980205]

Canada

THIS DEVICE WAS DESIGNED BY CRNL 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]. IT WAS MANUFACTURED FOR AECL BY A TORONTO COMPANY.

Function

USED TO DETECT THE PRESENCE OF ALPHA PARTICLES.

Technical

THIS WAS THE 1ST OF A SERIES OF ALPHA MONITORS DEVELOPED BY A.E.C.L.: FOLLOWED BY MODEL 2135 [980205] & MODEL 5236 [980206]; AS PER LABELS AFFIXED TO ARTIFACTS. A SPEAKER OREARPHONES WOULD HAVE TO BE ATTACHED IN ORDER TO HEAR THE SIGNALS. THE ELECTRONIC ELEMENT AND BATTERIES ARE SEPARATE FROM THE PROBE.

Area Notes

Unknown

Details

Markings

PLATE ON TOP: 'A.E.C.L./ 08028/ N.R.X.'/ HANDWRITTEN LABELS AFFIXED: '"1950'S VERSION/ [ALPHA SYMBOL] CONTAMINATION METER' 'Alpha Monitor/ 1st in series 118/ (Portable scintallab)'/ STAMPED IN MONITOR: 'B-SER.66'/ PRINTED ON FRONT PLATE: 'PORTABLE/ SCINTILLATION/ ALPHA MONITOR/ (BATTERY) AEP 118A SER. NO 2/ TEST VOLTAGE/ COUNTER VOLTS/ ADJUST/ PHONES/ COUNTER LOW/ COUNTER HIGH'/ DECAL INSIDE LID: 'EA[LOGO]/ ELECTRONIC ASSOCIATES LTD/ TORONTO ONT'/ DECAL ON END: 'RHC'

Missing

FOUR NO. 413 NEDA 210, 30V, EVEREADY; AND THREE NO. 493, 300 V, EVEREADY MINI-MAX BATTERIES WERE REMOVED AND DISPOSED OF 03/27/00.

Finish

UNFINISHED METAL; BLACK CORD; WHITE SHOULDER STRAP

Decoration

N/A