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Front panel LEDs verify power
All you need to connect the counts
STATUS: (green light) instrument functioning properly
Response: toggle switch for FAST (4 s) or SLOW (22 s) from 10% to 90% of final reading
This greatly increases the probability of detecting small amounts of radiation and precisely locating sources by reducing the measurement distance
Ludlum Model 2224 Alpha - Beta Scaler Ratemeter Scintillation Front panel LEDs verify powerSimultaneous Alpha Beta Counting Built In 6 Digit LCD Scaler Display Alpha Only, Beta Only, or Alpha Beta Counts Total Counting Range from 0 500,000 cpm INDICATED USE: Simultaneous alpha, beta counting and discrimination COMPATIBLE DETECTORS: Proportional and dual phosphor scintillation detectors CONNECTOR: Series "BNC" AUDIO: Built in unimorph speaker with volume control (greater than 60 dB at 2 feet, full volume) AUDIO DIVIDE: Selectable dual or