美国ACR无线电卫星示位标静水压力释放器HRU-100.

HRU-100  Hydrastatic Release Unit for ACR EPIRB
Patent pending rod system allows release of the beacon from a Category I bracket when submerged in water between 1.5 - 4 m (4.9 - 13.1 ft)
Designed to work with ACR's Open Face?, Sea Shelter? and Sea Shelter2? brackets
 Size:  2.5 W x 3.38 L x 2.0 H in (6.4 W x 8.6 L x 5.1 H cm)
Weight: 3.3 oz (93.6)

Salite 406TM (Closed and Open Face Brackets) (model RLB-27) p/n 2754/2756/ 2772
Salite2 406TM (model RLB-32) p/n 2774
RapidFixTM 406 (model RLB-33) p/n 2776
GlobalFixTM 406 (model RLB-35) p/n 2742
Sea ShelterTM p/n 9327
Sea ShelterTM2 p/n 9435/9455