MOBB Electronics Module w/batteries
306 lbs dry
34 lbs wet

MOBB Electronics Module w/MARS interface
309 lbs dry
40 lbs wet

Keck Electronics Module
498 lbs dry
58 lbs wet

Bucket with beads as from vendor
50 lbs dry
29 lbs wet
contains 14.75 liters (3.9 gallons) of beads

Empty bead bucket
2 lbs dry
0 lbs wet (close enough)

Keck BB Sensor s/n 1046 with Nautilus connector and 20 m cable
156 lbs dry
48 lbs wet

SP Logger and Sensor with 78 lb (dry) iron weight
158 lbs dry
30 lbs wet

SP Seismonument
152 lbs dry
78 lbs wet

Current Meter
78 lbs dry
54 lbs wet

Trawl-Resistant Bottom Mount
2730 lbs dry