How long is the service life of this sensor, is it the life after opening?

The service life of the product is about 15-24 months after you unpack it.

Will this detect ethanol (alcohol) ?

Yes,it can. the equipment is a gas detector. Ethanol is a volatile liquid at room temperature. You can smear ethanol on the table or hand, and then place the detector above the ethanol to detect the volatile gas of ethanol.

What regulator/ flow is needed for the calibraition gas

You need to calibrate it at a local professional gas detector facility, as it requires a corresponding machine for operation.

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4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode.

Product ID: 452662637

Details

Alarm
Sound Alarm
Brand
HAOKESITE
Color
black
Item Weight
10.6 Ounces
Material
ABS
Number of Items
1

📟Clear LCD with real voice alerts

🔋1800mAh long-lasting battery

🛡️4-in-1 multi-gas detection

121262CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🛠️ Stay ahead of danger with the ultimate 4-in-1 gas guardian!

MULTI MODE ALARM SYSTEM - Stay instantly informed with sound, vibration, light, and voice alerts within 30 seconds.
DURABLE PORTABLE DESIGN - Rugged ABS casing with non-slip grip and clip-on convenience for on-the-go professionals.
COMPREHENSIVE 4 GAS DETECTION - Simultaneously monitors EX, H2S, O2, and CO for total safety coverage.
PRECISION CALIBRATION INCLUDED - Factory calibrated with a calibration cap for unmatched accuracy in hazardous environments.
USER CENTRIC ADJUSTABLE THRESHOLDS - Customize alarm levels to avoid false alerts in confined or hypoxic spaces.

The HAOKESITE 4 Gas Monitor is a professional-grade, rechargeable portable detector engineered to identify EX, H2S, O2, and CO gases with precision. Featuring a high-capacity 1800mAh battery, a clear LCD display, and real voice prompts, it ensures rapid hazard awareness through sound, vibration, light, and voice alarms. Built with durable ABS and a non-slip grip, it’s designed for rugged work environments, complete with factory calibration and adjustable alarm thresholds for tailored safety. Packaged in a hard metal case, it’s the essential tool for millennial professionals demanding reliable, on-the-go gas detection.

Specifications

ASIN	B0B46LG754
Alarm	Sound, Vibration, Alarm Light, Display Screen
Best Sellers Rank	#129,950 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #83 in Gas Detectors & Alarms
Brand	HAOKESITE
Color	black
Customer Reviews	3.8 out of 5 stars 71 Reviews
Enclosure Material	ABS
Item Weight	10.6 Ounces
Manufacturer	HAOKESITE
Mfr Part Number	PLT840-4
Model Number	PLT840-4
Number of Items	1
Operating Humidity	< 95%RH
Power Source	Battery Powered
Product Style	Gas Detector
Sensor Type	Electrochemical
Style	Gas Detector
Unit Count	1.0 Count

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121262CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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The product quality is outstanding. Exactly what I needed for my work.

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