LUDLUM 2401-EC2 Pocket-Size Survey Meter (0 ~ 20 mSv/h)

Indicated Use: Gamma survey

Detector: Energy-compensated GM tube

Range: 0 to 20 mSv/h (0 to 2 R/hr)

Sensitivity (137Cs gamma): Typically 100 cpm per mR/hr

Energy Response: Reading with 20% of true value

Meter Dial: 0 - 20 mR/hr; BAT OK

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 at normal background levels

Construction: Drawn and cast 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