OxyknobFor use with Handi+ Scuba, MaxO2+A Scuba Oxygen Analyser and MaxO2+AE Scuba Analyser and is designed to be held to a scuba tank to check the oxygen percentage of the tank. REF: R218P19

Compatible output voltage to OOA101-1 sensors

REF: R211P38

Main OEM: I

New and improved one-touch calibration button

Model Number: MAX-250TM

whilst blocking out excessive ambient light

Model Number: MAX-9

the high-quality R-17 replacement sensor incorporates a moulded body design

Includes: gas sampling tubing (0131621)

Includes 4 x AA batteries and is supplied in a hard plastic carry case

* Wrap sensor not included

Main OEM: City Technology