Model AD300

Oxygen Analyzer​​​​
*For use above water only*


​​Teledyne's expanding line of analyzers for mixed gas diving includes the AD300 handheld oxygen analyzer.

These models offer exceptional performance and reliability that users will come to appreciate. Using state-of-the-art design concepts and manufacturing techniques, the mi​​croprocessor-based AD300 Oxygen Monitor offers unique features that set these instruments apart from the competition.

With a microprocessor on board, functions such as calibration are a snap. Just turn the unit on, press the CAL key and the computer does the rest. Pressing the lock key protects the calibration setting.

This model also features Teledyne's own RS-17S oxygen sensor with enhanced temperature tracking and superior long-term stability and accuracy.


  • ​Microprocessor controlled

  • Large, easy to read, 3 1/2 digit LCD display with backlighting

  • Auto calibration and Auto diagnostics

  • Battery strength indicator

  • 2000 operation hours on three AAA batteries

  • 0-1 VDC or RS-232 digital output port

  • Sensor fail / disconnect alarm

  • Long life (36 month) R-17S oxygen sensor

  • Rugged, high impact, ABS plastic housing

  • Sample adapter kit

  • V mount adapter plate

  • Watertight carrying case

  • Lock key protection settings

  • Audio and visual indicators alerting the user to trouble

  • 2 year warranty on sensor and instrument​​


​Measurin​​g Range

​0-100% oxygen


​± 2% of FS at constant temperature

Response Time

​90% of step change in less than 10 seconds


​Operating:    32° to 104°F (0° to 40°C)
Storage:        -40° to 122°F (-40° to 50°C)


​3 AA alkaline batteries

​Battery / Sensor Life

Battery life:    2,000 hours in non-alarm state
Sensor life:    36 months in air

​Sensor Type


​Sensor Cable

​Extends to 10 feet (3 m)

​Signal Output

​0-1 VDC or RS-232 (2400 Baud rate)


​24 months:    Covers defects in material and workmanship


​CE Mark


5.5"H x 3.5"W x 3"D (2.17 x 1.38 x 1.18 cm)
1 lb (454 g)



​​File S​ize​​​

Model AD300 Bro​chure

145 KB​