Cressi Leonardo Wrist Dive Computer for Scuba Diving - Professional Wristwatch with Depth Gauge, Temperature Sensor & Nitrox Mode | Perfect for Underwater Exploration, Spearfishing & Recreational Diving

Feature

• "Dive" program: Full processing of dive data, even with decompression (if any), for any air or hyper-oxygenated mixture (Nitrox) dive.
• FO2 (percentage of the oxygen) adjustable between 21% and 50%.
• PO2 (partial oxygen pressure) adjustable between 1.2 bar and 1.6 bar.
• CNS oxygen toxicity graphic indicator.
• A Nitrox dive may be carried out after an air dive (even with desaturation in progress).
• Possibility of Deco (decompressive computations) or Gauge program setting (depth gauge and timer).
• Deep Stop can be enabled or disabled.
• Large display with "PCD System" for perfect understanding and readability of values.
• Replaceable display protective cover.
• Battery life indicator.
• Battery replacement can be carried out by the user.
• Planning: Scrolling of the safety curve.
• Easy unit of measure change from the metric system (meters and °C), to the imperial system (ft- °F) by the user.
• Ascent rate alarm (10 m per minute).
• Distinct, easy-to-hear audible alarms.
• Clear, easy-to-see visual alarms.
• Backlit display.
• Built-in calendar and clock.
• Logbook (70 hours or 60 dives) including dive profile.
• Dive history.
• The instrument may be fully reset, in case of renting.
• PC/Mac interface with simulator and dive profile (optional)
• Owners Manual as PDF on CD-ROM
• Made in Italy

 Specification

• Single button interface (short push changes function, longer push selects functions).
• Algorithm: CRESSI RGBM Modified Haldene and Wienke algorithm. Three levels of user-adjustable conservatism.
• Sample tissues:
  • 9 with saturation hemi-phases between 2.5 and 480 minutes.
• Dimensions and weight:
  • Diameter: 67 mm.
  • Height: 27 mm.
  • Weight: 135 gm.
• Depth sensor:
  • Sea water setting (fresh water depths are about 3% lower).
  • Measuring field: 0-393 ft., measured every second.
  • GAGE function measuring field: 0-393 ft. Precision: +/- 1% (T 20°C - 68 F).
  • Reading resolution: 10 cm (0 to 100 m) / 1 m (100 to 120 m) / 1 ft (0 to 316 ft).
• Dive time: 0 to 255 minutes.
• Data acquisition frequency: 20 sec.
• THERMOMETER:
  • Resolution: 1 °F.
  • Measuring field: 23 °F + 104 °F.
  • Precision: +/- 35.6 °F/10min change °T.
• WATCH: Precision: +/- 50 seconds month average 24 hours display.
• BATTERY:CR 2430 - 3V battery. 2 years average life (by 50 yearly dives).
• PC LINK FUNCTION - PC/Mac interface with simulator and dive profile