What is the diameter of the extension tubing, I would like to order a longer one?

Tubing is 1/8 inch ID and 1/4 inch OD silicone. Thank you.

Will this device measure levels of Pentane at floor height?

No, this unit measure EX LEL combustibles in the EX LEL or explosiveness and safety purposes. It seems you need something more sensitive, in the PPM range.

Can this detect pure hydrogen?

I've never actually tried mine on pure hydrogen, but it has an LEL sensor which is supposed to detect all combustible gasses. It works by heating a little element on the inside. If the element is exposed to combustible gas, it gets hotter, and that indicates to the machine that combustible gasses are present. Any combustible gas should trigger the sensor. LEL is an abbreviation for Lower Explosive Limit, so any potentially explosive gas should be sensed by the machine. Having said that, I would suggest testing it in the presence of a small amount of hydrogen first, just to be sure. You don't want to risk your life on this if you're not certain.

Can the combustibles reading (% lel) be converted via a correction coefficient to get a reading in ppm for specific chemicals such as toluene or nmp?

Please see Dr. Koz video answer.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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4 Gas Monitor by Forensics | Built-in Pump Multi Gas Meter | O2, CO, H2S, LEL | Color Display & Graphing | USA NIST Calibration | Computer Data Logging |

4 Gas Monitor by Forensics | Built-in Pump Multi Gas Meter | O2, CO, H2S, LEL | Color Display & Graphing | USA NIST Calibration | Computer Data Logging |

Product ID: 172286902

Details

Alarm
Vibration
Brand
FORENSICS FD
Color
Black Yellow
Item Weight
14.4 ounces
Material
ABS
Operating Humidity
85 percent

⛽4 Gas Sensors (O2, CO, H2S, LEL)

💾1200 Alarm Data Logs

📊Color Display + Graphing

¥194740

Duties & taxes included

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay Ahead of Danger with Precision & Power!

RUGGED READY - Built tough with ABS casing, anti-slip rubber grip, and fully waterproof, dust-proof, explosion-proof design for any environment.
PRECISION YOU CAN TRUST - USA NIST traceable calibration ensures unmatched accuracy for critical safety monitoring.
ALL IN ONE GAS DETECTION - Simultaneously monitors Oxygen, Carbon Monoxide, Hydrogen Sulfide, and Combustible gases with high-quality UK electrochemical sensors.
SEAMLESS DATA MANAGEMENT - Stores up to 1200 alarm records with computer data logging for comprehensive safety audits and compliance.
INTUITIVE VISUAL INTERFACE - Vibrant color display with graphing functions makes real-time data interpretation effortless and fast.

The Forensics 4 Gas Monitor FD-600-4GAS is a professional-grade multi-gas detector featuring built-in pump technology and UK-made electrochemical sensors for O2, CO, H2S, and LEL gases. Calibrated to USA NIST standards, it offers a vibrant color display with graphing, robust ABS construction, and extensive data logging capabilities, making it the ultimate safety companion for industrial and environmental professionals.

Specifications

ASIN	B07WKC4FTV
Alarm	Vibration
Best Sellers Rank	#169,040 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #238 in Multi Testers
Brand	FORENSICS DETECTORS FD
Color	Black, Yellow
Customer Reviews	4.4 out of 5 stars 38 Reviews
Enclosure Material	ABS
Item Dimensions D x W x H	1.2"D x 2.6"W x 5.1"H
Item Weight	14.4 ounces
Manufacturer	FORENSICS DETECTORS
Mfr Part Number	FD-600-4GAS-UK
Model Number	FD-600-4GAS
Operating Humidity	85 percent
Power Source	Battery Powered
Product Dimensions	1.2"D x 2.6"W x 5.1"H
Product Style	modern
Sensor Type	Electrochemical
Style	modern
UPC	300389770045
Unit Count	1 Count

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