PT-1140PEQ

Series:	PT
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Driver Circuitry:	Transducer, Externally Driven
Input Type:	Peak-Peak Signal
Voltage - Rated:	9V
Voltage Range:	9 ~ 20V
Frequency:	4kHz
Technology:	Piezo
Operating Mode:	Single Tone
Duration:	--
Sound Pressure Level (SPL):	85dB @ 9V, 10cm
Current - Supply:	7mA
Port Location:	Top
Operating Temperature:	-20°C ~ 60°C
Approvals:	--
Ratings:	--
Mounting Type:	Through Hole
Termination:	PC Pins
Size / Dimension:	0.472" Dia (12.00mm)
Height - Seated (Max):	0.217" (5.50mm)

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Alarms, Buzzers, and Sirens: PT-1140PEQ Application Field and Working Principle

Alarms, buzzers, and sirens are designed to alert people and animals of potentially dangerous or hazardous situations. These devices are typically made up of sounders capable of creating tones or patterns that indicate danger or caution. The PT-1140PEQ is one such device designed for use in industrial, agricultural, and commercial applications. It is a powerful, multi-frequency electronic siren that provides loud, crisp alarm tones that can be heard up to 50 meters (164 feet) away.

Features of the PT-1140PEQ

The PT-1140PEQ is designed with the following features:- 6 convenient user-selectable tones (Wail, Yelp, Hi-Lo, Hi Rigle, Hi Yokle, and Hi-Lo Yokle)- Power output of 105~125 dB @ 12 VDC- Rated current of 1.2 Amps @ 4500 RPM- 2 LED’s: Power On (Green) and Alarm (Red)- Corrosion-resistant stainless steel housing

Applications

The PT-1140PEQ is suitable for a variety of industrial, agricultural, and commercial applications. It is often used in industrial settings where alerts are needed in order to increase safety and alert personnel to hazardous conditions. It is also used in agricultural settings to alert of crop damage as well as in commercial settings to alert of security threats or other situations.

Working Principle

The PT-1140PEQ is a multi-frequency electronic siren. It generates its sound by using oscillators to create two different frequencies (an upper and a lower) which are then combined by using the “comb filtering” process. This process results in the siren tones that the PT-1140PEQ is capable of producing.The amplifier circuit of the siren is designed with a built-in limiter to ensure that the sound output stays within a safe level. This ensures that the sound never exceeds a predetermined level that could be harmful to hearing.The PT-1140PEQ also features an LED indicator for both power on and alarm, allowing the user to easily identify if the siren is in use.

Conclusion

The PT-1140PEQ is a powerful, multi-frequency electronic siren designed for industrial, agricultural, and commercial applications. It is capable of producing loud, crisp alarm tones up to 50 meters (164 feet) away and is also designed with a built-in limiter to ensure a safe sound level. With its robust set of features and reliable performance, the PT-1140PEQ is an ideal choice for any application needing a reliable alarm.

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