Where can you purchase a new sensor for this analyzer? Are they easy to find?

Yes, they are fairly easy to find. Class r-17S oxygen sensor - or contact Analox - their replacement sensors are a bit more but have a 3 year warranty. Most others are only good for a year to two.

Can this measure oxygen content in a room in my house, or is it only designed for use with diving equipment?

The Palm D oxygen analyzer is only intended for use with compressed gases for SCUBA diving. It is not suitable for other applications.

Just arrived today, may send back tomorrow. Manual says can't use 21% air for measuring nitrox levels (32%, 36%). Any solution besides using 100%?

Not sure your question. 21% (20.9%) is air at 1 atm - what we breath in our atmosphere. Use regular compressed to calibrate. If it is saying that you can't calibrate with 21% then I would be suspect. In that case you will need to get a tank of enriched air at known analysis and keep to calibrate the unit (and store it in an aluminum container - not steel) - very problematic. If that is the case I would return and opt for a unit that can be calibrated with standard compressed breathing air. Try the Analox - have had great success and their new sensors are good for three years.

Palm D Oxygen Analyser | Desertcart Norway

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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9182 kr

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Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Dive Smart, Dive Ready: Oxygen analysis that keeps you ahead of the curve!

COMPACT POWERHOUSE - Lightweight and ergonomic design fits perfectly in your hand, powered by AA batteries lasting over 13,000 hours.
SPEED THAT SAVES TIME - Rapid response under 6 seconds—get reliable data before your next dive.
BUILT TO BRAVE THE ELEMENTS - Durable, impact-resistant, and water-sealed housing designed for rugged underwater use.
PRECISION AT YOUR FINGERTIPS - Ultra-accurate oxygen readings with 0.1% resolution for confident dive safety.
EFFORTLESS ONE BUTTON CALIBRATION - Calibrate easily in Air or 100% Oxygen with a single press—no hassle, no guesswork.

The Palm D Oxygen Analyser by Analytical Industries is a compact, portable device engineered for precise oxygen measurement in diving gases. Featuring a 0.1% resolution sensor with thermal compensation, it delivers fast readings in under 6 seconds. Its rugged, water-resistant housing withstands tough conditions, while one-button calibration simplifies operation. Powered by AA batteries with an impressive 13,000-hour lifespan and a sensor life of 36 months, it’s the reliable choice for professional and recreational divers seeking accuracy and durability.

Specifications

ASIN	B01F7MOTAC
Alarm	Visual
Best Sellers Rank	#152,458 in Health ( See Top 100 in Health ) #173 in Oxygen Therapy Products
Brand	Analytical Industries
Manufacturer	Analytical Industries
Mfr Part Number	ADI-PalmO2D
Model Number	ADI-PalmO2D
Power Source	Battery Powered
Power source	Battery Powered
Product Style	Compact
Style	Compact
UPC	792348357327
Unit Count	1 Count
Unit count	1 Count

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