Infrasound sensors

• Product Selection Chart
• Price Sheet

Manuals

• Model 20:  [Manual]
• Model 21:  [Manual]
• Model 24:  [Manual]
• Model 25:  [Manual]  [M25Vx] 
• Model 50A: [Manual]

Specifications & information

• Model 20/24 -- Information & Specifications
• Model 21/25 -- Information & Specifications
• Model 50A -- Information & Specifications

Additional information

• Older Models Information & Specifications
• Paper on the seismic sensitivity of the Model 5
• Terms & Conditions of Sale
  

Additional information or ordering, please contact us:

email: chaparral [at] gi [dot] alaska [dot] edu
phone: (907)474-7107
or write:  Chaparral Physics
              P.O. Box 757320
              Fairbanks, AK 99775-7320