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  • Ludlum Model 44-17 Low Energy Gamma Scintillation Detector, 44-25-1 Pancake GM Hand Frisker Combination
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$2,570.00 $1,285.00

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SKU: 371819765-1 Product Type: Vendor:

This is a Ludlum Model 44-17 low energy gamma detector.
Part Number: 47-1547

Indicated Use 125I and low-energy gamma survey
Detector Type NaI(Tl) scintillator, 5.1 cm (2 in.) dia. x 0.2 cm (0.08 in.) thick
Window 86 mg/cm2
Window Area Active:17.8 cm2 (2.8 in2)
Open: 17.8 cm2 (2.8 in2)
Efficiency (4π) 125I: 40% (derived from 129I efficiency)
129I: 22%
Typical Sensitivity (125I) 2500 cpm per µR/hr
Typical Background
(10 µR/hr field)
≤ 1500 cpm
Recommended Energy Range 10 to 200 keV
Photomultiplier Tube 5.1 cm (2.0 in.) diameter
Operating Voltage 500 to 1200 V (typical)
Temperature Range -15 to 50 °C (5 to 122 °F)
May be certified to operate from -40 to 60 °C (-40 to 150 °F)
Connector Series “C” (others available)
Construction Aluminum housing with beige powder coat
Size (Dia x L) 6.7 x 22.9 cm (2.6 x 9 in.)
Weight 0.7 kg (1.5 lb)

Model 44-25 Alpha-Beta-Gamma Hand Monitor Detector
Part Number: 47-1508

Indicated Use Alpha, beta, gamma survey of hands
Detector Type 2 pancake type, halogen quenched GMs
Window 1.7 ± 0.3 mg/cm2 mica
Window Area Active: 31 cm2 (4.8 in2)
Open: 18 cm2 (2.8 in2)
Efficiency (4π) 14C: 5%
90Sr/90Y: 22%
99Tc: 19%
32P: 32%
239Pu: 15%
Energy Response Energy dependent
Typical Sensitivity 6600 cpm per mR/hr
Typical Background
(10 µR/hr field)
120 cpm
Operating Voltage 900 V
Construction Aluminum housing
Size (H x W x L) 24.1 x 15.2 x 19.8 cm (9.5 x 6.0 x 7.8 in.)
Weight 1.5 kg (3.3 lb)

 

 

Additional information

Weight 5 lbs
Dimensions 14 × 14 × 14 in