Universal User Guide, Rev L, February 2022
20
Table 1:
Recommended settings for TCM-1 deployments in three typical environments.
Configuration Temperature
(minute)
Burst
Interval
(minute)
Burst
Rate
(Hz)
Burst
Duration
(seconds)
Start Time
Stop
Time
Notes
Typical
1
1
8
20
On Next
Minute
Until
Stopped
Suitable for most
environments,
high temporal
resolution with
moderate
filtering. 12 to 14
month typical
battery life
Swells
2
2
8
45
On Next
Minute
Until
Stopped
Recommended for
locations with
swells with a
period of up to 10
seconds. 10 to 12
month typical
battery life
Energetic /
Turbulence
1
1
16
30
On Next
Hour
Until
Stopped
Recommended for
areas near surf
zones or other
very turbulent
locations. 5 to 6
month typical
battery life.
Increase burst
duration to 30
seconds.
3.3
Anchoring Guidelines
Tilt current meters are sensitive to how they are anchored. For best results follow these guidelines.
1.
Typical and reliable anchors:
•
12 or 18-inch square concrete patio stones (30 x 30 x 5 cm or 45 x 45 x 5 cm)
•
Cinder block
•
Lead disk weights
•
Dive belt weights
2.
For concrete anchors typical weights are between 9 and 15 Kg. Lead weights between 5 and 10
Kg.
3.
Avoid
anchors made from large amounts of steel or iron; they will create soft and/or hard iron
errors in the compass bearing.
4.
Set the lanyard length to 1/2 to 1” (13
-25 mm) between the anchor and the TCM.
