Does this detect hydrogen sulfide?

you will have to call them. 1-800-553-4676. I was unable to find any info. methane, butane and propane and others* but that doesnt say H2S specifically.

Can it be used for car?

It will detect gasoline fumes but is not a carbon monoxide detector.

Will it work for r290 refrigerant?

Although I have never tried it on refrigerant. The unit is made to detect combustible gasses. As is stated in the specs.

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

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Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50-10,000 ppm, Includes Pouch, Batteries

Product ID: 46812326

Details

Alarm
Audible
Brand
KLEIN TOOLS
Color
Black
Global Trade Identification Number
Item Weight
13 Ounces
Material
Blend

📏50-10,000 ppm detection range

🔔85dB audible alarm

🦾18-inch flexible gooseneck

€ 279.91

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Detect leaks like a pro—because safety waits for no one!

DUAL SENSITIVITY MODES - Switch effortlessly between high and low sensitivity for tailored, job-specific accuracy.
SMART POWER MANAGEMENT - Auto shut-off after 10 minutes saves battery life so you’re always ready to work.
ERGONOMIC DURABLE DESIGN - Comfort grip with rugged build ensures all-day use in demanding environments.
PRECISION DETECTION AT SCALE - Wide 50-10,000 ppm range captures even the faintest leaks before they escalate.
INSTANT ALERTS ZERO GUESSWORK - Five bright LEDs plus a loud 85dB alarm keep you instantly informed on-site.

The Klein Tools ET120 Gas Leak Detector is a professional-grade combustible gas tester designed for HVAC and safety experts. Featuring a broad detection range from 50 to 10,000 ppm, adjustable sensitivity settings, and both visual and audible alarms, it ensures precise and immediate leak identification. Its 18-inch flexible gooseneck enhances reach in tight spaces, while ergonomic design and battery-saving auto shut-off make it reliable for prolonged, on-the-go use. Trusted by professionals since 1857, Klein Tools delivers unmatched durability and accuracy in gas detection.

Specifications

ASIN	B074NBJ8XP
Alarm	Audible
Best Sellers Rank	#7,123 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Gas Detectors & Alarms
Brand	KLEIN TOOLS
Built-In Media	Batteries, Carrying Pouch
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (1,887)
Enclosure Material	Blend
Global Trade Identification Number	00092644690648
Item Dimensions D x W x H	1.79"D x 2.71"W x 28.3"H
Item Type Name	Combustible Gas Leak Detector
Item Weight	13 Ounces
Manufacturer	Klein Tools
Manufacturer Warranty Description	Please refer to attached warranty document.
Mfr Part Number	ET120
Model Number	ET120
Number of Items	1
Operating Humidity	85 percent
Power Source	Battery Powered
Product Style	Standard
UPC	092644690648
Unit Count	1.0 Count

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