TR45 Popup Timer Release

Integrated float and line spool
Easily change out batteries
Standard 100 ft of 1/16" spectra line (can be adjusted to user requirements)
Release upon completion of time-until-release (typically within 15 minutes of activation)
Release by electrolytic erosion of a replaceable link
Range of different links available (see Supplies)
Maximum load release 90 lb (41 kg)
User selected time-until-release from zero to 170 days in 7.5 minute steps
Worst case timing error of +/- 2 minute per month
Operating depth is 0 to 600 feet (0 to 183 meters)
Battery life approximately up to 4 years using one set of 3 lithium AA batteries

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TR45 POPUP OPERATIONS

This release unit is deployed underwater and contains a micro computer and batteries and holds a replaceable release link with a screw on retainer cap. It is programmed to the time-until-release (TUR) desired by electrical contact with the contacts on a programmer (TRP-45C) before deployment underwater. Release accuracy is +/-2 minute per month. After time is up and release erosion initiates it takes typically another 10 to 20 minutes for the link erosion to complete with link LK-40 (15 to 30 minutes for link LK-80). (Note: This release works in ocean water and typical bay water. It will not work in fresh water since the electrolytic erosion will not occur at a fast enough rate). The system has an integrated float and line spool that can be used to directly recover the equipment, or pull up a retrieval line for subsequent equipment recovery.