Portable sulfur dioxide alarm

Product Overview

The R Portable Gas Detector is a handheld detector that detects a single toxic gas and is powered by a replaceable battery.

Intrinsically safe gas detectors suitable for use in relevant explosion-proof locations, explosion-proof grade IIB.

The display adopts a screen display (hereinafter referred to as the display) to intuitively display the concentration range of the detected gas.

The simple three-key operation makes the operation more concise and easy to understand.

The sensor uses imported sensitive components and has the characteristics of high precision, accurate measurement, strong interchangeability and high reliability.


Main features
◆ Low power consumption, long standby time
◆ Built-in vibrator, suitable for very noisy environments when alarming
◆ When alarming, a super bright LED rotates and lights up and drives at the same time
◆ The buzzer emits intermittent beeps
◆ Two-level alarm with high and low limits, the alarm point is adjustable
◆ Special The shell material has good anti-slip effect


Technical parameters
◆ Detection principle: electrochemical formula
◆ Detection gas: toxic gas
◆ Sampling method: Natural diffusion
◆ Accuracy %
◆ Working voltage: (R battery)
◆ Display mode: LCD display
◆ Alarm mode: sound and light vibration alarm
◆ Sound intensity: B
◆ Response time
◆ Explosion-proof level: ⅡB


Product installation
The portable gas detector only detects one toxic gas.



Jinan Ruian Electronics Co., Ltd. integrates R&D, production and sales, and provides technical support, R&D and production services to various types of electronic companies. Relying on advanced technology, we specialize in the development and production of combustible gas detection and alarm products. We are a professional operator of toxic and harmful gas detection instruments (the manufacturer welcomes customers to visit and place orders. Our products have passed the testing of relevant national departments and have quality assurance, and The certificates are complete.

For more information, please consult the official website of Ruian Electronics Co., Ltd.:

Or order by phone:, we look forward to cooperating with you!