Can a tube be put on the end of the probe to be able to sample from areas too far down for the probe alone to reach?

Yes it can. The end of the probe has a barb so a 4-6mm ID tubing will work. Thank you

What is the indication if the O2 level is above 30%?

If above 30% indication is 30.0% and does not change unit after this.

can this device be used to warn of O2 depletion in a room where a liquid Nitrogen duer is stored?

Functionally speaking yes it could do that. However, for continuous room monitoring to alarm for oxygen depletion we recommend permanently fixed wall mount unit, like this guy here: https://www.amazon.com/dp/B0843JLSXS?ref=myi_title_dp

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Oxygen Detector + Pump | UK & USA Calibration Certificate | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |

Oxygen Detector + Pump | UK & USA Calibration Certificate | USB Recharge | Sound, Light and Vibration Alarms | 0-30% O2 |

Product ID: 83178213

Details

Alarm
LED Buzzer &
Brand
FORENSICS FD
Colour
Yellow
Item weight
130 Grams
Material
ABS
Operating humidity
<95%RH

📏0.1% resolution

🔊Adjustable alarms

🔋2 Lithium Ion batteries

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$565.37

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

Breathe Easy, Stay Safe! 🌬️

SMART ALERTS - Stay informed with adjustable audio, visual, and vibration alarms for real-time monitoring.
QUALITY ASSURANCE - 100% satisfaction guaranteed with rigorous testing and certification from industry experts.
ROBUST RELIABILITY - Designed to withstand the toughest environments—waterproof, dustproof, and explosion-proof.
PRECISION PERFORMANCE - Experience unparalleled accuracy with a 0-30% O2 detection range and 0.1% resolution.
USER FRIENDLY CALIBRATION - Factory calibrated with zero and span options for easy adjustments.

The OXYGEN O2 Detector Analyzer + PUMP is a professional-grade device designed for accurate oxygen level monitoring. With a detection range of 0-30% O2 and a resolution of 0.1%, this robust analyzer features adjustable alarms, is waterproof, dustproof, and explosion-proof, and comes with a calibration certificate. Perfect for ensuring safety in various environments, it combines cutting-edge technology with user-friendly features.

Specifications

ASIN	B07GM4NP3T
Alarm	LED, Buzzer & Vibration
Best Sellers Rank	1,057,876 in DIY & Tools ( See Top 100 in DIY & Tools ) 538 in Gas Detectors
Brand	FORENSICS DETECTORS FD
Colour	Yellow
Country of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (18)
Included Components	Gas Detector, Pump, Recharge Cable, Sling, User Manual, Calibration Cap and Calibration Certificate
Item Dimensions D x W x H	4.3D x 5.8W x 11H centimetres
Item Weight	130 Grams
Manufacturer	Forensics Detectors
Manufacturer Warranty Description	1 year manufacturer.
Material	ABS
Model Number	FD-90A-O2-PUMP
Number of Items	1
Operating Humidity	<95%RH
Part Number	FD-90A-O2-PUMP
Power source	Battery Powered
Product Style	Modern
Sensor Type	Electrochemical
Unit Count	1.0 count

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$565.37

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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