when measuring oxygen readings, can you set a range of time, duration or frequency for data logging?

Great question, see video for a detailed answer.

will this unit pick up propane and natural gas leaks during a home inspection?

This is not made to pick up leaks during a home inspection. What would be more appropriate is a gas leak detector with GOOSE NECK. The gas leak detector is more sensitive (in ppm) range where this detector is a LEL % detector, for exposure safety purposes.

Does this 4 gas detector come with a clip to attach to my FR shirt?

The detector has installed on its back a belt clip. Thanks

Is there a calibration kit available?

The detector comes with a calibration cap to be plugged into calibration gas. For calibration, a standard mixed gas NIST gas bottle with a regulator will work very well. Our recommended product is ASIN: B015O16X32. Multi Calibration Gas: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 19% Oxygen, Balance Nitrogen

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FD-4S

Product ID: 60998986

Details

Alarm
Visual
Battery life
12 Hours
Brand
FORENSICS FD
Colour
Black
Item weight
0.2 Pounds
Manufacturer
FORENSICS

🌈Vivid color display & graphing

📲500-record data logging

🔬Precision electrochemical sensors

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Description

🚨 Stay safe, stay ahead — the pro’s choice in gas detection!

INSTANT VISUAL CLARITY - Bright color screen with intuitive graphing for real-time gas monitoring.
DATA AT YOUR FINGERTIPS - Stores up to 500 alarm events with seamless computer data logging for compliance and analysis.
POWER THROUGH YOUR SHIFT - Rechargeable Li-Ion battery keeps you powered longer without downtime.
ROBUST READY FOR ACTION - Durable ABS body with anti-slip grip, waterproof and explosion-proof certified for harsh environments.
UNMATCHED SENSOR ACCURACY - Factory-calibrated O2, CO, H2S, and LEL sensors ensure pinpoint detection every time.

The FORENSICS DETECTORS FD-4S 4 Gas Detector combines high-precision electrochemical sensors for O2, CO, H2S, and LEL gases with a vivid color display and graphing capabilities. Factory calibrated to USA NIST standards and UK certified, it offers robust, waterproof, and explosion-proof construction. With data logging for 500 alarms and a rechargeable Li-Ion battery, it’s engineered for reliability and ease of use in demanding professional environments.

Specifications

ASIN	B07B4LKGQM
Alarm	Visual
Brand	FORENSICS DETECTORS FD
Colour	Black
Country of Origin	China
Customer Reviews	4.2 out of 5 stars 92 Reviews
Item Weight	0.2 Pounds
Item weight	0.2 Pounds
Manufacturer	FORENSICS DETECTORS
Model Number	FD-4S
Operating Humidity	95 percent
Power source	Battery Powered
Product Style	Robust
Sensor Type	Electrochemical
Style	Robust
Unit Count	1.0 Count

Reviews

M**S

Quality gas meter

Very good gas meter. Quality and reliable product. Happy to use.

14.01.2019

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