LUDLUM 26S Integrated Scintillator Frisker (40 keV ~ 3 MeV)

Detector: 2.5 x 1.9 cm (1 x 0.75 in.) CsI(Tl) scintillator (energy dependent, see response curve)

Gamma Sensitivity (137Cs): 165 kcpm per mR/hr

Energy Range: From 40 keV to 3 MeV

Exposure Linearity: ± 10% from background to 200 µSv/h (20 mR/hr)

Count Rate Linearity: ± 10% from 8 c/s to 8 kcps (200 c/m to 999 kc/m)

LCD Display: 3½ digit LCD with large 12.7 mm (0.5 in.) digits

Units: (k)c/s, (k)c/m, (k)d/m, (k)d/s, µR/hr, µSv/h

Indicators: low-battery, MAX, ALARM

Display Range: 

0.00 c/s to 19.9 kc/s

0 c/m to 999 kc/m

0.00 d/s to 19.9 kd/s

0 d/m to 999 kd/m

0.00 to 200 µSv/h

000 µR to 20 mR/hr

Controls: 

ON/OFF/QUIET: Press to turn ON, Tap to alternate between 'click' audio and QUIET, Hold for OFF

MODE: Select RATE (count rate), MAX (captures peak rate), or COUNT (preset count time)

UNITS: alternates between Primary and Secondary units

Response Time: User-selectable from 1 to 60 seconds, or Auto-Response Rate FAST or SLOW

Power: Two alkaline "AA" batteries

Battery Life: Approximately 200 hours of operation

Construction: High-impact plastic with water-resistant rubber seals and separate battery compartment

Environmental Rating: NEMA 3 / IP 53

Temperature Range: -20 to 50 °C (-4 to 122 °F)

Size (H x W x L): 4.6 x 6.9 x 27.2 cm (1.8 x 2.7 x 10.7 in.)

Weight: 0.35 kg (0.75 lb)

Datasheet

Manual