Suunto HELO2 manual Technical Data

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10. TECHNICAL DATA

10.1.Technical specifications Dimensions and weight:

•Diameter: 61.0 mm/2.4 in

•Thickness: 28 mm/1.1 in

•Weight: 68 g/2.4 oz

Transmitter:

•Max. diameter: 40 mm/1.57 in

•Length: 80 mm/3.15 in

•Weight: 118 g/4.16 oz

•Rated working pressure: 300 bar/4000 psi, maximum allowed pressure 360 bar/5,000 psi

•Display resolution: 1 bar/1 psi

Depth gauge:

•Temperature compensated pressure sensor

•Fresh water calibrated (calibrated in compliance with EN 13319)

•Maximum depth of operation: 120 m/393 ft (complying with EN 13319)

•Accuracy: ± 1% of full scale or better from 0 to 120 m/394 ft at 20°C/68°F (complying with EN 13319)

•Depth display range: 0 to 150 m/492 ft

•Resolution: 0.1 m from 0 to 100 m, 1 m from 100 to 150 m/1 ft from 0 to 492 ft

Temperature display:

•Resolution: 1°C/1°F

•Display range: -20 to +50°C/-9 to +122°F

•Accuracy: ± 2°C/± 3.6°F within 20 minutes of temperature change

Calendar clock:

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

•12/24 h display

Displays only in MIXED GAS mode:

•Oxygen %: 8 - 99

•Helium %: 0 – 92

•Oxygen partial pressure display: 0.0 – 3.0 bar.

•Oxygen Limit Fraction: 0 - 200% with 1% resolution

Logbook/dive profile memory:

•Recording interval: 20 seconds adjustable (10,20,30,60s).

•Memory capacity: approximately 80 hours of diving with 20 second recording interval

•Depth resolution: 0.3 m/1 ft

Operating conditions:

•Operating altitude range: 0 to 3,000 m/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

It is recommended that the instrument be stored in a dry place at room temperature.

NOTE	Do not leave the dive computer in direct sunlight!

Tissue calculation model:

•Suunto Technical RGBM algorithm (developed by Suunto and Bruce R. Wienke, BSc, MSc, PhD)

•9 tissue compartments

•Tissue compartment halftimes: 2.5, 5, 10, 20, 40, 80, 120, 240 and 480 minutes (on gassing). The off gassing halftimes are slowed down

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Contents HelO2 Page Welcome to the World of Suunto Diving Instruments Care and Maintenance of MY Suunto Diving Computer Welcome to the World of Suunto Diving Instruments Using HelO2 with Dive Manager and Dive PlannerPhysician regarding your fitness before diving Or professional diving activitiesOr death Diving with the dive computer ASC Time symbol and the upward pointing arrowStop, and Rgbm adjustments are correct USE BACK-UP INSTRUMENTS! Make sure that you use back-upBefore the instrument has counted down the no-fly time Batteries. Recycle or dispose of used batteries properlyNavigating in the menus Button symbols and functionsSymbol Button Press Main functions Suunto HELO2 AT a GlanceDown Long Enter Setting mode Setting the units Time mode settingsSetting the time Setting the dateAC water contacts Setting the backlightSetting the tones Suunto Technical Rgbm Before DivingPlanning your dives Mixed gas diving Emergency ascentsDive computer limitations Alarm indication Alarm reason Audible and visual alarmsGas mix Alarm indicationError conditions Out of calculation limitsOmitted decompression Wireless transmissionInstalling the wireless transmitter Pairing and code selectionDisplay Indication Transmitting dataDive Mixed GAS Dive mode settingsSetting the gases Before you have ascended above this depth Setting the depth alarmSetting the dive-time alarm Setting the personal/altitude adjustmentsSetting the HP code Setting the sample rateSetting the tank pressure alarm Setting the tank pressureActivation and pre-checks Accessing Dive modeDive mode activation Diving at altitude Battery power indicationAlt. adjustment value Altitude range Before diving Personal adjustmentsPersonal adjust- Condition Desired tables Ment value How the Altitude value is setOther personal injury, and death Safety StopsRecommended Safety Stops Mandatory Safety StopsDeep stops Basic dive data DivingDiving-related information Decompression dives Ascent rate indicatorBookmark Than at the ceiling Ceiling, ceiling zone, floor and decompression rangeDisplay at the ceiling zone Accident, you should stay somewhat below the ceilingDisplay below the floor Display above the floorOxygen and helium displays Diving in Mixed GAS modeBefore diving in Mixed GAS mode Default gas mix settingsGas change and multiple breathing gas mixes Oxygen limit fraction OLFDiving in Gauge mode Dive numbering Alarms Symbol on displayAfter Diving Surface intervalFlying after diving Plan modeDive Planning mode PLANnodec Repetitive dive planningDive numbering shown during dive planning PLANNoDec modeMemory mode Mixed GAS mode, it does not affect the calculationsDive logbook MEMLogbook Suunto Dive Planner SDP Dive historySuunto Dive Manager SDM Dive Planner. It ensures that you have a valid decompressionPage Water Contacts and Push Buttons Care and Maintenance of MY Suunto Diving ComputerWarranty FAQsBattery replacement and strap kits must be used Required tools Battery ReplacementBattery kit Replacing the batteryTransmitter Battery compartment lid, indicating a leakWireless transmitter battery replacement Made in a proper manner to avoid any leakage of water intoStalling the transmitter battery Transmitter battery kitPage Technical Data Rgbm BatteryAfter dive planning Diver safety and Suunto Technical Rgbm modelSuunto Technical Rgbm decompression model Oxygen exposure Altitude divingPatent notice Intellectual PropertyCopyright Trademark 12.2. CE DisclaimersUser’s responsibility Exclusions and Limitations Warranty PeriodLimitation of Liability Access to Suunto warranty serviceOther important notices Page Disposal of the Device EAD EAN GlossaryNo DEC Time Copyright Customer Service ContactsPage TWO Year Warranty Page Page Suunto Oy 4/2009