DPA 8010    
Available manufacturer's documents for this product:
 - DPA 8011 Hydrophone Overview (html) English
 - DPA 8011 Hydrophone Technical Specifications (html) English
 - DPA 8011 Frequency Response and Polar Pattern (html) English
 - DPA 8011 Hydrophone User Manual (pdf) English
 - Bruel & Kjaer Hydrophones Brochure (pdf) English