Ludlum Model 2221 w/ 44-10 2x2 Nal Probe Rental P1 Probe The legs can be easily

The legs can be easily set from 45 cm to 70 cm (17

1000 ppm propane

reel mounted portable systems allow access to multiple monitoring wells

• Password protection that limits individual user access

FASTEST LOGGING RATE - 2 per second

Ludlum Model 2221 w/ 44-10 2x2 Nal Probe Rental P1 Probe The legs can be easilyIndicated Use Low level, wide energy gamma detection Detector Type NaI(Tl) scintillator, 5. 1 cm (2 in.) dia. x 5. 1 cm (2 in.) thick Efficiency (4) 125I: 4% 57Co: 20% 137Cs: 9% 60Co: 15% Typical Sensitivity (137Cs gamma) 900 cpm per R hr Recommended Energy Range 30 keV to 3. 0 MeV Energy Response Energy dependent (see Energy Response Curve) Typical Background (10 R hr field) 9750 cpm Photomultiplier Tube 5. 1 cm (2 in.) diameter Operating Voltage 500