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Specifications subject to change with out notice.

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Compact Sound Masking System

SMS Sound Sensors

Smart Sound Level Sensors

The SmartSMS sound masking system is equipped with an adaptative adjustment system.

The ambient noise in a zone is measured and the masking sound level is adjusted based on this measurement.

The SMS-SEN Sound Level Sensor measures the ambient noise level in a zone. It is installed through a 3/8″ (9.5 mm) hole in acoustic tile. In the case of an open ceiling, it can be attached to the structrue.

Typically, one sensor covers 1,000 sq. ft. and up to 8 sensors can be installed in one zone.

Product Features

  • Back Electret Type Designed for High Resistance to Vibrations
  • High Signal-to-Noise Ratio
  • High Sensitivity Type
Sound Level Sensors in Ceiling

Specifications

  • Sensitivity: -35±4 dB(0 dB = 1V/pa, 1 kHz)
  • Directivity: Omnidirectional
  • Frequency Range: 20-20,000 Hz
  • Diameter: 3/8″
  • Length: 2-3/4″ approx.
  • Standard Operation Voltage: 3 volts
  • Current Consumption: Max 0.5 mA
  • S/N Ratio: More than 62 dB
  • Measurement Range: 35 to 95 dB at 17 mV/Pa
  • Connector Type: BNC

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