LUDLUM 2241-3 Digital Scaler-Ratemeter (4 Detector)

Indicated Use: General purpose survey, gross counting

Comptible Detectors: GM, Proportional, Scintillation

Detector Setups: 4

Display: 4-digit LCD display with 1.3 cm (0.5 in.) high digits, separate annunciators for display units, alert, alarm, low battery, detector overload, counting overflow, and scaler counting

Display Range: Auto ranging from:

0.0 μR/hr to 9999 R/hr

0.000 μSv/h to 9999 Sv/h

0 cpm to 999 kcpm

0 cps to 100 kcps

Backlight: Push button to activate

Ratemeter: Can display in R/hr, Sv/h, cpm, or cps when selector switch is in RATE position

Scaler: Adjustable from 1 to 9999 s (in 1 s intervals)

Detector Switch: Rotating 5-position switch

Alert/Alarm: Indicated by annunciation on display and audible tone

High Voltage: 400 to 2500 V

Discriminator: Adjustable from 2 to 100 mV

Discriminator Adjustments: 1

Temperature Range: -20 to 50 ºC (-4 to 122 ºF)

RS-232 Port: Available in two output formats: binary output or ASCII output. The ASCII output format option requires a firmware change (PN 4408-192).

Power: 2 "D" cell batteries housed in an externally accessible, sealed compartment

Battery Life: Typically 200 hours with alkaline batteries (low battery warning on LCD)

Size (H x W x L): 16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 in.)

Weight: 1.6 kg (3.5 lb), including batteries

Datasheet

Manual