---
product_id: 471589225
title: "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."
brand: "haokesite"
price: "€ 160.17"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/471589225-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co
store_origin: PT
region: Portugal
---

# LCD Display 1800mAh Battery 120dB Alarm 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.

**Brand:** haokesite
**Price:** € 160.17
**Availability:** ✅ In Stock

## Summary

> 🔍 Safety at Your Fingertips—Monitor Your Environment Like a Pro!

## Quick Answers

- **What is this?** 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. by haokesite
- **How much does it cost?** € 160.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/471589225-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co)

## Best For

- haokesite enthusiasts

## Why This Product

- Trusted haokesite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Shockproof, waterproof, and explosion-proof for ultimate safety.
- • **Four Alarm Modes:** Stay alert with voice, sound, vibration, and light notifications!
- • **Advanced Calibration:** Factory calibrated for immediate use—just open and go!
- • **Portable Convenience:** Compact design with a clip for hands-free operation.
- • **User-Friendly Interface:** Easily readable LCD display for quick data access.

## Overview

The Haokesite 4 Gas Monitor is a rechargeable, portable gas detector designed for professional use. It can detect multiple gases including H2S, O2, CO, and LEL with four alarm modes: voice, sound, vibration, and light. Featuring a reliable LCD display and a robust 1800mAh lithium battery, this device ensures safety in confined spaces and hazardous environments. Its durable design includes shock resistance and waterproof capabilities, making it an essential tool for workers in challenging conditions.

## Description

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.

## Features

- 【Four Alarm Modes】4 in 1 gas detector can detect EX (0-100% LEL), H2S (PPM), O2 (0-30% VOL), CO (PPM), where LEL refers to the concentration of combustible gas in the air, PPM (means parts per million concentration). When the dangerous gas content in the air is too high. Gas monitors will remind you that the place is dangerous within 30S through four methods: human voice, 120 decibel alarm, vibration and light.
- 【LCD Display and Battery】Multi gas monitor has an LCD display that allows you to easily read the screen data, the readings are very reliable, it is an excellent device to ensure the safety of workers when we are undergrounding construction and confining space work. We use 1800mAh high-capacity lithium battery to ensure that the product can be used for a long time.
- 【Advanced Technology】Compared with other products, we use real voice prompts to allow users to quickly understand the product. And we come with a calibration cap, you can use a plastic tube to put the gas in, it can measure gas concentration more accurately. Comes FACTORY CALIBRATED, open and use it directly. Advanced integrated circuit technology and high-quality gas sensors have excellent sensitivity and repeatability, and can measure multiple gases simultaneously and continuously at one time.
- 【Materials and Design】In terms of equipment material, it is made of high-strength ABS and non-slip grip rubber, small size and unique clip design, which can be clipped on clothes when use it. Good shock resistance, dust-proof, waterproof and explosion-proof functions. When you are in a closed or hypoxic environment, you don't want it to sound the alarm all the time, all four gases can be adjusted to your desired threshold (within the range).
- 【Packaging and Customer Service】Adoption hard metal outer box packaging, it is convenient for you to carry out, and the product can reach your hands in good condition. In addition, we are willing to provide you with unconditional returns and exchanges within 90 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HAOKESITE |
| Part number | PLT840-4 |
| Item Weight | 300 g |
| Product Dimensions | 14 x 7.3 x 3.2 cm; 300.5 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | PLT840-4 |
| Size | M |
| Color | black |
| Style | Gas Detector |
| Material | ABS |
| Shape | Rectangular |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Specific uses | Professional |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |

## Product Details

- **Brand:** HAOKESITE
- **Style:** Gas Detector
- **Power source:** Battery Powered
- **Colour:** black
- **Item weight:** 10.6 Ounces

## Images

![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. - Image 1](https://m.media-amazon.com/images/I/5116w5AFHTL.jpg)

## Questions & Answers

**Q: How long is the service life of this sensor, is it the life after opening?**
A: The service life of the product is about 15-24 months after you unpack it.

**Q: Does this detect Radon?**
A: No it does not.

**Q: Will this detect ethanol (alcohol) ?**
A: 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.

**Q: What regulator/ flow is needed for the calibraition gas**
A: You need to calibrate it at a local professional gas detector facility, as it requires a corresponding machine for operation.

## Frequently Bought Together

- HAOKESITE 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.
- Gas Detector, CHNADKS 4 Gas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration, Audible, Visual 4 Gas Monitor Personal Rechargeable Gas Sniffer Alarm with LCD
- BW Technologies Corded Electric BWC2-H BW Clip Single Gas H2S Monitor, 10/15 (1 Pack)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-06*