●Intrinsically safe circuit design, explosion-proof certification, secondary lightning protection, anti-static, lightning protection and anti-static capabilities exceed national standards, and can withstand high-intensity pulse surge current impacts. High reliability and stability.

●Standard bus RS485 and 4~20mA standard signals are output simultaneously, 1 set of relay switching output, optional frequency output 200-1000Hz, 1~5V output, wireless transmission (10-50 kilometers or unlimited distance). It can be wired or wireless remote real-time monitoring, and the data can be uploaded to a mobile phone or transmitted to the Environmental Protection Bureau, other monitoring centers, monitoring equipment, and monitoring computers through LAN or the Internet, and the on-site concentration can be monitored in real time through free host computer software or gas alarm controllers.

●It is compatible with various secondary meters, data acquisition modules, PLC, and DCS systems. It can directly drive solenoid valves, fans, alarms and other equipment, and can also drive high-power equipment by driving intermediate relays.

●The standard infrared remote control enables operation without opening the cover in dangerous situations.

●2.5-inch high-definition color screen (TF) displays real-time concentration, temperature, humidity.

●Automatically tracks zero point to prevent drift, temperature compensation, multi-level calibration, and can comply with national standards and local and provincial metrology bureau standards in various regions.

Hydrogen Sulfide (H2S) Detection – Essential for Industrial Safety

H2S is a deadly gas commonly found in oil refineries, wastewater plants, and confined spaces. Reliable hydrogen sulfide gas detectors and hydrogen sulfide monitors are critical to protect workers from exposure, with real-time alerts and precision sensors to prevent accidents.

Q: What Types of H2S Gas Detectors Are Best for Industrial Use?

A: Choosing the right H2S detector depends on your industry’s risks. Here are the top types used in high-risk environments:

1. Fixed H2S Gas Detectors (Continuous Monitoring)

Best for: Oil & gas facilities, chemical plants, and sewage treatment plants where leaks are a constant threat.

Key Features:

24/7 monitoring with alarm integration into control rooms.

Rugged design for harsh environments (corrosion-resistant for offshore rigs).

Complies with OSHA and NIOSH safety standards .

2. Portable H2S Monitors (Personal Safety)

Best for: Maintenance crews, first responders, and workers entering confined spaces (e.g., tanks, pipelines).

Key Features:

Clip-on design with vibrating, visual, and loud (95dB) alarms.

Long battery life (18+ hours) for shift-long protection.

Data logging to track exposure levels for compliance reports .

3. Explosion-Proof H2S Detectors (Hazardous Areas)

Best for: Refineries, mining, and biogas plants where flammable gases coexist with H2S.

Key Features:

ATEX/IECEx certification for Zone 0/1 explosive atmospheres.

Stainless steel housing to resist chemical corrosion.

4. Wireless H2S Monitoring Systems (Smart Safety)

Emerging Trend: IoT-enabled detectors transmit real-time data to cloud dashboards, allowing remote monitoring across multiple sites—ideal for large facilities like petrochemical complexes .

Critical Factors When Selecting an H2S Detector

Accuracy: Look for ≤1 ppm detection levels (H2S is lethal at 100 ppm).

Industry-Specific Needs: Offshore rigs require waterproof models, while pulp/paper mills need filters against false alarms from other gases.