Using a Piezo-Electric Crystal, the SleepSense Double Buckle Piezo Crystal Effort Sensor (# 1370) converts chest or abdominal respiration movement to a small analog voltage that provides a clear, reliable indication of respiration waveforms. 

Warranty: 1 Year - Free of Defects in Materials and Quality Workmanship.

This product features a double buckle design and safety DIN connectors. The sensor may be connected to any AC (low level) channel on the recorder. This device is for diagnostic purposes only and not for use as an apnea monitor.

NOTE: SleepSense items are for professional use only, and are for sale by or on the order of a physician only.

Features

SleepSense Double Buckle Piezo Crystal Effort Sensor Features

• Isolated element provides excellent immunity to environmental artifacts.
• Very strong and stable signal.
• Sensors individually calibrated for consistent sensitivity.
• Sturdy mechanical design.

Specifications

SleepSense Double Buckle Piezo Crystal Effort Sensor Specifications

• Sensor Technology: Piezo crystal in ABS box.
• Typical Polygraph Settings:
  • Sensitivity: 100 to 300 μV/mm.
  • Low Frequency Filter: 0.1 Hz.
  • High Frequency Filter: 70 Hz.
• Typical Signal Amplitude:
  • Typical 1 mV peak to peak.
  • Signal amplitudes vary. Response is dependent on such variables as sensor position, strap tension and polygraph characteristics, etc.
• Physical Size: 3" side to side.
• Cable: White PVC insulation tinsel wire.
• Cable Length: Sensor: 6'7"; 1.5 mm touch-proof connector.
• Weight: 3 oz.
• Sensor: Small ABS box 1" x 0.7" x 0.5" / buckles / double loop / Velcro tabs.
• Operating Conditions: 40 to 104 °F.
• Storage Temperature: -4 to 140 °F.
• Operating and Storage Humidity: 5 to 95% (non-condensing).

Literature

SleepSense Double Buckle Piezo Crystal Effort Sensor Literature