Uwatec bottom timer


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Posted by northcoast diver on January 20, 2005 at 13:54:27:

In Reply to: What is your favorite computer posted by Franko on January 18, 2005 at 06:46:41:

If you always diver EAN 35, then you never need a decompression algorithm and therefore a dive computer would be unnecessary. For diving in the range of 100 ft or less, EAN 35 keeps your equivalent air depth shallower than 65 ft.

When you equivalent air depth is shallower than 65 feet, you can dive as many dives in a day as you want, as long as you keep a 1 hour surface interval between dives.

A Uwatec bottom timer runs about $150 to $195 depending on dive store sales. That is the best deal you could ever find.

Here is V-Planner data on repetitive dives with EAN 35 to 100 ft.

V-Planner 3.43 by R. Hemingway, VPM code by Erik C. Baker.

Decompression model: VPM-B

DIVE PLAN #1
Surface interval = 5 day 0 hr 0 min.
Elevation = 0ft
Conservatism = + 3

Dec to 100ft (2) on Nitrox 35.0, 50ft/min descent.
Level 100ft 20:00 (22) on Nitrox 35.0, 1.41 ppO2, 76ft ead
Asc to 20ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to 15ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to sfc. (25) on Nitrox 35.0, -30ft/min ascent.

OTU's this dive: 37
CNS Total: 14.7%

70.4 cu ft Nitrox 35.0
70.4 cu ft TOTAL


DIVE PLAN #2
Surface interval = 0 day 1 hr 0 min.
Elevation = 0ft
Conservatism = + 3

Dec to 100ft (2) on Nitrox 35.0, 50ft/min descent.
Level 100ft 20:00 (22) on Nitrox 35.0, 1.41 ppO2, 76ft ead
Asc to 20ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to 15ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to sfc. (25) on Nitrox 35.0, -30ft/min ascent.

OTU's this dive: 37
CNS Total: 24.0%

70.4 cu ft Nitrox 35.0
70.4 cu ft TOTAL


DIVE PLAN #3
Surface interval = 0 day 1 hr 0 min.
Elevation = 0ft
Conservatism = + 3

Dec to 100ft (2) on Nitrox 35.0, 50ft/min descent.
Level 100ft 20:00 (22) on Nitrox 35.0, 1.41 ppO2, 76ft ead
Asc to 20ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to 15ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to sfc. (25) on Nitrox 35.0, -30ft/min ascent.

OTU's this dive: 37
CNS Total: 29.8%

70.4 cu ft Nitrox 35.0
70.4 cu ft TOTAL


DIVE PLAN #4
Surface interval = 0 day 1 hr 0 min.
Elevation = 0ft
Conservatism = + 3

Dec to 100ft (2) on Nitrox 35.0, 50ft/min descent.
Level 100ft 20:00 (22) on Nitrox 35.0, 1.41 ppO2, 76ft ead
Asc to 20ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to 15ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to sfc. (25) on Nitrox 35.0, -30ft/min ascent.

OTU's this dive: 37
CNS Total: 33.5%

70.4 cu ft Nitrox 35.0
70.4 cu ft TOTAL


DIVE PLAN #5
Surface interval = 0 day 1 hr 0 min.
Elevation = 0ft
Conservatism = + 3

Dec to 100ft (2) on Nitrox 35.0, 50ft/min descent.
Level 100ft 20:00 (22) on Nitrox 35.0, 1.41 ppO2, 76ft ead
Asc to 20ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to 15ft (24) on Nitrox 35.0, -30ft/min ascent.
Asc to sfc. (25) on Nitrox 35.0, -30ft/min ascent.

OTU's this dive: 37
CNS Total: 35.8%

70.4 cu ft Nitrox 35.0
70.4 cu ft TOTAL


DIVE PLAN COMPLETE



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