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Suunto D4i User Guide

Table of Content
Table of Content
  • Technical specifications

Technical specifications

Dimensions and weight

  • Length: 50 mm (1.97 in)
  • Width: 50 mm (1.97 in)
  • Height: 16.0 mm (0.61 in)
  • Weight: 85 g (3.0 oz)

Operating conditions

  • Water resistance: 100 m (328 ft) (complying with ISO 6425)
  • Normal altitude range: 0 to 3,000 m (0 to 10,000 ft) above sea level
  • Operating temperature: 0 °C to 40 °C ( 32 °F to 104 °F)
  • Storage temperature: -20 °C to +50 °C ( -4 °F to +122 °F)
  • Maintenance cycle: 200 dives or two years, whichever comes first

Depth gauge

  • Temperature compensated pressure sensor
  • Maximum static pressure: 10 bar (145 psi) (complying with EN 13319 and ISO 6425)
  • Accurate to 100 m (328 ft) complying with EN 13319
  • Depth display range: 0 to 300 m (0 to 984 ft)
  • Resolution: 0.1 m from 0 to 100 m (1 ft from 0 to 328 ft)

Temperature display

  • Resolution: 1 °
  • Display range: -20 °C to +50 °C (-4 °F to +122 °F)
  • Accuracy: ± 2 °C (± 3.6 °F) within 20 minutes of temperature change

Nitrox mode

  • Oxygen: 21-50%
  • Partial pressure of oxygen (pO2): 0.2 – 3.0
  • Oxygen Limit Fraction: 0–200% with 1% resolution
  • Gas mixtures: 1

Other displays

  • Dive time: 0 to 999 min
  • Surface time: 0 to 99 h 59 min
  • Dive counter: 0 to 999 for repetitive dives
  • No-decompression time: 0 to 99 min (– after 99)
  • Ascent time: 0 to 999 min (– after 999)
  • Ceiling depths: 3.0 to 150 m (10 to 492 ft)

Calendar clock

  • Accuracy: ± 25 s/month (at 20 °C (68 °F))
  • 12/24 h display

Stopwatch

  • Accuracy: 1 second
  • Display range: 0’00 – 99’59
  • Resolution: 1 second

Logbook

  • Sample rate in air and nitrox modes: default 20 seconds
  • Sample rate in free diving mode: default 2 seconds
  • Memory capacity: approximately 60 hours with 20-second recording interval and without transmitter data. With transmitter data, the capacity is approximately 40 hours. In free dive mode (2-second recording interval), maximum capacity is 3 hours.

Tissue calculation model

  • Suunto RGBM
  • Maximum depth of operation: 120 m (393 ft)

Radio transceiver

  • Frequency band: single channel 5.3 kHz
  • Maximum output power: 110 mW
  • Range: 1.5 m / 4.9 ft

Manufacturer

Suunto Oy

Tammiston kauppatie 7 A

FI-01510 Vantaa FINLAND

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