Sensitivity: 100 mR/hr to 50 R/hr indicated in 10 ranges
Proportional Increasing Chirp Rate: 50 R/hr to 5,000 R/hr
Indication: Repeating groups of rapid countable chirps
Operational indicator: faint "ticking" = operating OK.
Alarm loudness: ~ 61 dBA (speaking volume)
Durability: Functional after 6' drop or submersion to 6'
Battery: Operational Life Expectancy @ room temp: - Non-alarming (normal operation) - 10 to 15 years - Alarming continuously at single chirp level - 3 years - Alarming continuously at highest alarm level - 3 months - See NEW Battery Replacement Program
Detector: Patented CdS photo resistor coupled to a rare earth phosphor scintillator