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Miniature Piezo Alarms 103 dB @ 2 feet The original high output miniature piezo alarm, designed and made in the USA Floyd Bell's M-80 Series, first sold in 1989 and redesigned in 1999, is a solid-state, environmentally secure miniature piezoelectric alarm that is typically 20 dB louder and 1000 Hz lower in frequency than alarms of comparable size. Approximately 1" in diameter × 0.875" in height, it packs an explosive sound output of 103 dB @ 2 feet. The M-80 PC mount and PM-80 panel mount piezoelectric alarms feature an expanded voltage range of 5-15 VDC. The M-100 PC mount has an expanded voltage range as low as 3-6 VDC.

Brand/Series	PM Series
Decibel Range	95 to 102 dBA
Decibels at 1 Meter	102 dBA @ 61 cm
Diameter	24.6 mm
Features	Extra Loud Continuous, Flame Retardant, Internal Circuit (Audio-Oscillator and Piezoelectric Driver)
Mounting Style	Panel
Primary Type	Alarm
Sound Level	95 and above dB
Special Features	ASTM B117 Certified, IP 68 Certified, Withstands Exposure to Salt Spray for 300 Hours, Withstands Vibration Between 0 & 55 Hz, Withstands Water Submergence & Dust Exposure
Supply Voltage	3 to 6 VDC
Temperature Range	-20 to +65 °C
Temperature, Opening, Maximum	65 °C
Temperature, Operating, Minimum	-20 °C
Termination	Wire Lead
Tone	Continuous
Type	Piezoelectric
关键词

Brand/Series PM Series  Floyd Bell Inc. Brand/Series PM Series  Buzzers Brand/Series PM Series  Floyd Bell Inc. Buzzers Brand/Series PM Series   Decibel Range 95 to 102 dBA  Floyd Bell Inc. Decibel Range 95 to 102 dBA  Buzzers Decibel Range 95 to 102 dBA  Floyd Bell Inc. Buzzers Decibel Range 95 to 102 dBA   Decibels at 1 Meter 102 dBA @ 61 cm  Floyd Bell Inc. Decibels at 1 Meter 102 dBA @ 61 cm  Buzzers Decibels at 1 Meter 102 dBA @ 61 cm  Floyd Bell Inc. Buzzers Decibels at 1 Meter 102 dBA @ 61 cm   Diameter 24.6 mm  Floyd Bell Inc. Diameter 24.6 mm  Buzzers Diameter 24.6 mm  Floyd Bell Inc. Buzzers Diameter 24.6 mm   Features Extra Loud Continuous, Flame Retardant, Internal Circuit (Audio-Oscillator and Piezoelectric Driver)  Floyd Bell Inc. Features Extra Loud Continuous, Flame Retardant, Internal Circuit (Audio-Oscillator and Piezoelectric Driver)  Buzzers Features Extra Loud Continuous, Flame Retardant, Internal Circuit (Audio-Oscillator and Piezoelectric Driver)  Floyd Bell Inc. Buzzers Features Extra Loud Continuous, Flame Retardant, Internal Circuit (Audio-Oscillator and Piezoelectric Driver)   Mounting Style Panel  Floyd Bell Inc. Mounting Style Panel  Buzzers Mounting Style Panel  Floyd Bell Inc. Buzzers Mounting Style Panel   Primary Type Alarm  Floyd Bell Inc. Primary Type Alarm  Buzzers Primary Type Alarm  Floyd Bell Inc. Buzzers Primary Type Alarm   Sound Level 95 and above dB  Floyd Bell Inc. Sound Level 95 and above dB  Buzzers Sound Level 95 and above dB  Floyd Bell Inc. Buzzers Sound Level 95 and above dB   Special Features ASTM B117 Certified, IP 68 Certified, Withstands Exposure to Salt Spray for 300 Hours, Withstands Vibration Between 0 & 55 Hz, Withstands Water Submergence & Dust Exposure  Floyd Bell Inc. Special Features ASTM B117 Certified, IP 68 Certified, Withstands Exposure to Salt Spray for 300 Hours, Withstands Vibration Between 0 & 55 Hz, Withstands Water Submergence & Dust Exposure  Buzzers Special Features ASTM B117 Certified, IP 68 Certified, Withstands Exposure to Salt Spray for 300 Hours, Withstands Vibration Between 0 & 55 Hz, Withstands Water Submergence & Dust Exposure  Floyd Bell Inc. Buzzers Special Features ASTM B117 Certified, IP 68 Certified, Withstands Exposure to Salt Spray for 300 Hours, Withstands Vibration Between 0 & 55 Hz, Withstands Water Submergence & Dust Exposure   Supply Voltage 3 to 6 VDC  Floyd Bell Inc. Supply Voltage 3 to 6 VDC  Buzzers Supply Voltage 3 to 6 VDC  Floyd Bell Inc. Buzzers Supply Voltage 3 to 6 VDC   Temperature Range -20 to +65 °C  Floyd Bell Inc. Temperature Range -20 to +65 °C  Buzzers Temperature Range -20 to +65 °C  Floyd Bell Inc. Buzzers Temperature Range -20 to +65 °C   Temperature, Opening, Maximum 65 °C  Floyd Bell Inc. Temperature, Opening, Maximum 65 °C  Buzzers Temperature, Opening, Maximum 65 °C  Floyd Bell Inc. Buzzers Temperature, Opening, Maximum 65 °C   Temperature, Operating, Minimum -20 °C  Floyd Bell Inc. Temperature, Operating, Minimum -20 °C  Buzzers Temperature, Operating, Minimum -20 °C  Floyd Bell Inc. Buzzers Temperature, Operating, Minimum -20 °C   Termination Wire Lead  Floyd Bell Inc. Termination Wire Lead  Buzzers Termination Wire Lead  Floyd Bell Inc. Buzzers Termination Wire Lead   Tone Continuous  Floyd Bell Inc. Tone Continuous  Buzzers Tone Continuous  Floyd Bell Inc. Buzzers Tone Continuous   Type Piezoelectric  Floyd Bell Inc. Type Piezoelectric  Buzzers Type Piezoelectric  Floyd Bell Inc. Buzzers Type Piezoelectric