Chaparral Physics (미국) Model 25/21 Infrasound Sensors DATASHEET

Models 25/21 are cost-effective and durable sensors for the mid-infrasound to low-audio bandwidth. These sensors excel in campaign-style deployments.

• Preferred by military and volcano researchers
• Low power consumption: ＜480 mW
• 0.1 Hz to 200 Hz bandwidth
• 4-port manifold for wind-noise reduction array (Model 25)
• Self-diagnostics
• Switchable high and low gains
• Differential output
• Low noise floor
• High dynamic range
• Low seismic sensitivity
• Very rugged: can be deployed in open

Chaparral Physics (미국) Model 60/64 Series Infrasound Sensors DATASHEET

The Chaparral Physics Model 60/64 series sensors are dramatically smaller and lighter than competing sensors. They are ideal for use at remote sites and in portable applications.

• Rugged and field ready
• Low power consumption minimizes battery weight
• 13 octave bandwidth
• Outstanding temperature stability
• Low vibration sensitivity
• Excellent unit to unit matching of sensitivity and frequency response
• Cost effective

Chaparral Physics (미국) Model 50A Infrasound SensorsDATASHEET

The Model 50A is the leading sensor for precision infrasound research today; it has broadband response and very low sensor self-noise. The Model 50A delivers reliable, high-quality, consistent data, even in remote and rugged environments.

• Certified by IMS
• Observatory-grade, quick field deployment
• Low power consumption: ＜480 mW
• 0.01 Hz to 50 Hz bandwidth
• 4-port manifold for wind-noise reduction array
• Self-diagnostics
• Switchable high and low gains
• Differential output
• Very low noise floor
• High dynamic range
• Low seismic sensitivity
• IP 67 rating, Acetal exterior
• Replaces and upgrades the MB2000 and MB2005

Chaparral Physics (미국) Data LoggerDATASHEET

Data Acquisition

• Number of Input: 3 inputs
• Input impedance: 250 MΩ
• Input Types: Differential, Single Ended
• Input range: Programmable range ±20 V or ±40 V
• Resolution: 0.6mV
• Common Mode Range: ±60V
• Accuracy: 0.5 %
• Digitizer: 16-bit SAR Architecture
• Bandwidth: 7.5 Hz
• Dynamic range: 96 dB
• Sample rates : 1000 samples per second