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Oxygen sensor NARKED AT 90 SMB / COAX

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  • Oxygen sensor NARKED AT 90 SMB / COAX

Oxygen sensor NARKED AT 90 SMB / COAX

€74.17 tax incl. ( 74,17 € tax excl. )
In stock

Oxygen sensor Narked at 90  with connector SMB / coaxial for rebreathers Inspiration, Evolution, XCCR and Flex.

These are Vandagraph NANS01 type cells. Vandagraph produces the most reliable OEM cells on the market for many rebreather manufacturers



Suitable for rebreathers 

  • - Inspiration, 
  • - Evolution, 
  • - XCCR, 
  • - Flex.
  • Replaces the following sensors references :

  • - APD16,
  • - AII PSR-11-39-SMB

As recomended by AP Diving : reduce your GF High by 5 points

"Accuracy of cells
While the Narked @ 90 cell and the APD16 cell are very stable they have an unfortunate trait in that once the Inspiration scrubber warms up from top to bottom, which is 15 to 20 mins after the start of the dive, the cells read 0.05 bar higher than the actual PO2
i.e. while the cells display 1.30 bar ( the setpoint) – the actual PO2, measured on a calibrated fast response external analyser, is in fact 1.25 bar.
Although undesirable, this trait is repeatable and reliable and so is easily compensated for.. simply by reducing the High Gradient factor slightly.

Typically reducing the GF High by 5 is sufficient: If you use 90 normally – use 85; if you use 85 normally – use 80 etc.".


Oxygen sensors are chemical products with a limited life. They are consumables like batteries, their lifespan can vary considerably depending on their use, exposure to oxygen and environmental factors (heat, cold, humidity, duration of exposure to oxygen in greater or lesser percentages...). 

Sensors are one of the few products on our site that cannot be returned. Please think carefully before making a purchase.


Specific References


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