Technical Specifications

Specification Details
Weight14 lbs 6 oz (6.5 kg) without cylinders or scrubber media
Oxygen CylinderAluminum 13cf (2L) Cylinder (recommended)
Oxygen 1st Stage Intermediate Pressure85 psi
Diluent 1st Stage Intermediate Pressure140 psi
Batteries Petrel 3 Controller (Internal): AA
SOLO/Solenoid External Canister: 9V
OBOE/HUD External Canister: AA
Counterlung Volume6 Liter Total Loop Volume
Maximum Operational Depth Max Depth 40 m (130 fsw) with Air diluent
Max Depth 100 m (330 fsw) with Trimix diluent
*Dives exceeding 100 m (330 fsw) are associated with numerous additional risks
Operating Temperatures+39°F to +90°F (+4°C to +32°C)
Short-Term (hours) Temperature Range-4°F to +122°F (-20°C to +50°C)
Long-Term Storage Temperature Range+41°F to +68°F (+5°C to +20°C)
Oxygen SensorsAnalytical Industries, Inc. type R22D sensors (X 4)
Oxygen Sensor Operational Voltages 8 – 14 mV in air @ sea level
40 – 65 mV in pure oxygen @ sea level
Oxygen PPO2 Setpoint Range0.5 – 1.5 PPO2 during dive mode
(0.19 PPO2 available in surface mode only)
Water Traps2 water traps—one in the scrubber lid and one in the exhaust counterlung bladder
Electronics Shearwater DiveCAN Petrel 3 Controller
Shearwater DiveCAN HUD (Shearwater NERD 2 optional)
Scrubber Media Micropore ExtendAir Cartridges (EACs) or granular scrubber media:
Intersorb 812 or Sofnolime 797 (8–12 mesh)
Granular Scrubber CapacityApproximately 5 lbs (2.2 kg) (varies by type and packing)
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