Tilt-Angle Sensing Transmitters

EMT-AR

Tilt Angle Sensing

EMT-AR pingers produce two separate sets of intervals (time between pings). One interval set is for unique identification of the pinger (fixed), and the other represents the angle of orientation relative to gravity (variable). The total time between successive angle measurements is approximately 30 seconds. The USR-14 receiver and DH-4 hydrophone from a MANTRAK kit, or UDR Underwater Diver receiver, is used to receive data telemetered from the tilt monitoring EMT-ARs. The receiver displays the ACT ID of the pinger, and tilt angle (°) on its integral LCD. Tilt angle data has a 5º resolution, and a +/- 5º accuracy.

Model

LifetimeRangeDepth ratingLengthDiameterWeight

EMT-AR-1

48 months1km+2.5km+99mm19mm

39g

EMT-AR-2

18 months3km+2.5km+99mm19mm

39g

EMT-AR-3

To 6 mo*To 4km+*1km201mm32mm

252g

Other Model Numbers:
TILT-TrackerTilt Monitoring kit. Includes MANTRAK kit, and two angle reporting tilt pingers. The MANTRAK kit includes USR-14 ultrasonic receiver, DH-4 directional hydrophone, Pelican case, external speaker, headphones, and other accessories. Please see the MANTRAK data sheet for more details.


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