O2 Sensor Type D-21R | Oxygen Sensor for Rebreathers

O2 Sensor Type D-21R | Oxygen Sensor for Rebreathers

The O2 Sensor Type D-21R is a galvanic oxygen sensor designed for reliable use in oxygen analyzers and rebreathers. It provides precise and stable oxygen readings, making it an excellent choice for divers who require dependable performance, high accuracy, and consistent sensor response.

This is an excellent, well-proven oxygen cell with a gold-plated COAX/SMB connection and an M16x1 thread at the bottom. Manufactured to the highest specifications.

The sensor offers improved response times and temperature compensation for reliable performance in demanding diving environments.

Compatible with the following devices

• AP Diving Rebreathers

• Halcyon and Halcyon Symbios Rebreather

• XCCR Rebreather

• IQ Sub Rebreather

• Flex2 Rebreather

• Apoc pod

• Deep Pursuit head

Equivalent to

• Narkedat90 NaNS01

Features

• Galvanic oxygen sensor

• Gold-plated COAX/SMB connection

• M16x1 thread at the bottom

• Compatible with many common oxygen analyzers and rebreathers

• High accuracy for precise oxygen measurements

• Improved response times

• Temperature compensated

• Long service life and stable sensor performance

• Made in Germany for premium quality

• Each sensor is individually tested and inspected before shipping

• Trusted by divers worldwide for durability, consistency, and precision

Quality You Can Rely On

NRC oxygen sensors are valued by divers worldwide for their reliable performance, precise readings, and robust quality. The D-21R delivers consistent measurements and high-quality workmanship, making it ideal for safe use in compatible oxygen analyzers and rebreathers.

Note: Please check the full compatibility table before purchase to ensure that the sensor is compatible with your oxygen analyzer or rebreather.