Radiation Safety Office

RECOMMENDATIONS FOR
SURVEY INSTRUMENTS IN ISOTOPE LABORATORIES

For general contamination survey purposes, an instrument with a 2" pancake detector is preferred. The following instruments are recommended:

Technical Associates (818-883-7043)

Model TBM-3S
0-50K cpm 3 range Internal detector
$525.00

Johnson (Fisher Scientific Cat No 18-588A)

Model GSM-110/GP
0-50K cpm 3 range Internal detector
$702.00

Bicron (ThermoElectron 800-472-5656)

Model Surveyor 50
0-60K cpm 3 range with PGM pancake probe and audio option
$675.00

WB Johnson (Fisher Scientific Cat No 18-588B)

Model GSM-110/HP
0-50K cpm 3 range Pancake detector
$802.00

Ludlum (Laco 440-729-3034)

Model 3
0-500K cpm 4 range with 44-9 pancake detector
$610.00

For detection of I-125, an instrument with a scintillation detector is preferred. The following instrument is recommended:

Ludlum (Laco 440-729-3034)

Model 3
0-500K cpm 4 range with 44-3 thin window scintillator
$840.00

Specification sheets for these instruments are available from our office.

Note that other instruments & detectors (i.e., end window, etc.) are available and may be appropriate for specific research problems. Please contact our office for additional information regarding your application.

Radiation Safety Office
Webmaster
Revised September 15, 2004