LUDLUM 2401-P Pocket-Size Survey Meter With Pancake GM (0 ~ 200 mR/hr; 0 ~ 660 kcpm)

Indicated Use: Alpha, Beta, Gamma survey

Detector: Pancake GM with stainless steel protective screen (79% open)

Window: Active: 15.51 cm2 (2.4 in2)

Open: 12.26 cm2 (1.9 in2)

Range: 

0 to 200 mR/hr

0 to 660 kcpm

Sensitivity (137Cs gamma): Typically 3300 cpm per mR/hr

Efficiency: 14C: 5%

90Sr/90Y: 22%

99Tc: 19%

99mTc: < 1%

32P: 32%

239Pu: 15%

Energy Response: Energy dependent

Meter Dial: 0 - 6.6 kcpm, 0 - 2.0 mR/hr, BAT OK

(Meter Faces tab lists other available meter faces)

Multipliers: x1, x10, and x100

Response Time: Typically 11 s from 10% to 90% of final reading

Alarm: No

Audio: Click-per-event, may be turned off by moving selector to QUIET position

Power: 9 volt battery

Battery Life: Typically 250 hours with alkaline battery

Construction: Cast and drawn aluminum with membrane panel

Size (H x W x L): 4.6 x 8.4 x 13.5 cm (1.8 x 3.3 x 5.3 in.)

Weight: 0.4 kg (0.9 lb), including battery

Datasheet

Manual