D05R-LF – Lead-Free Oxygen Sensor for rebreathers

The D05R-LF is a lead-free oxygen sensor with an extra water-repellent head, specifically designed for use in rebreather systems. It is the lead-free replacement for the NRC D05R.

Compatibility / Usage

Rebreathers:

• Megalodon

• Buddy Evolution

• Poseidon

• rEvo

• Pathfinder

• Optima

• Sentinel

• Prism

• Divesoft CCR Liberty (and some variants)

• KISS Rebreather

Replacement for:

• NRC D05R

• Teledyne R-22D

• Analytical PSR-11-39MD

• Narked 90 NANMM01

• Maxtec MAX-305

• Maxtec MAX-12

You can browse the full compatibility table here.

Key Features

• Lead-free and sustainable — RoHS-compliant with no hazardous waste disposal required

• Extra water-repellent head, designed specifically for demanding rebreather applications

• Delivers high measurement stability and precise oxygen readings while reducing environmental impact

• Future-proof technology with long service life

• Manufactured in Germany for consistently high quality and reliability

• Each sensor is individually tested and verified for accuracy

• Guaranteed lifespan of 24 months from date of purchase

• Shelf life of 6 months under standard storage conditions

Comparison: Lead vs. Lead-Free Oxygen Sensors

NRC replacement sensors are recognized for their first-class quality and outstanding reliability, making them a trusted choice among divers worldwide.