Skip to main content

MacSync LH2S X1 LoRaWAN H₂S Gas Monitoring Sensor Datasheet

Product Overview

MacSync LH2S X1 is an industrial-grade LoRaWAN® H₂S Sensor engineered for continuous, real-time monitoring of Hydrogen Sulfide (H₂S) gas concentration in ppm across hazardous industrial, municipal, and environmental environments. Designed for critical safety applications, the device combines a high-performance electrochemical H₂S sensing element with ultra-low-power LoRaWAN® wireless communication to deliver accurate toxic gas monitoring over long distances with minimal maintenance.

Hydrogen sulfide is one of the most dangerous toxic gases found in sewage treatment plants (STP), wastewater treatment facilities (WWTP), sewer networks, oil & gas infrastructure, chemical factories, biogas plants, landfill sites, pumping stations, and confined industrial spaces. Even low concentrations of H₂S can cause serious health hazards, corrosion, equipment damage, and operational risks. MacSync LH2S X1 enables organizations to continuously monitor gas concentration trends, detect hazardous buildup conditions early, and improve worker safety through intelligent remote monitoring.

The device is built around an industrial electrochemical H₂S gas sensor capable of delivering stable, repeatable, and highly sensitive H₂S concentration measurements in ppm. The sensor continuously tracks toxic gas behavior and supports threshold-based alerting, trend analysis, and historical gas concentration monitoring for proactive safety management.

Powered by an ultra-low-power LoRaWAN® Class A architecture, MacSync LH2S X1 enables long-range wireless communication with multi-year battery operation, making it ideal for remote and unmanned deployments where wired infrastructure is impractical. Secure AES-encrypted communication ensures reliable data transmission over both public and private LoRaWAN® networks.

The rugged industrial enclosure is designed for reliable operation in harsh outdoor and industrial environments including high humidity, corrosive gas exposure, underground utility chambers, and wastewater infrastructure installations. Its compact form factor supports flexible wall and pole mounting for rapid deployment.

MacSync LH2S X1 supports configurable periodic reporting, threshold-based uplinks, event-triggered alerts, and remote diagnostics. Optional BLE-based configuration through the Macnman Maya App simplifies installation, provisioning, maintenance, and field diagnostics.

Whether deployed for STP & WWTP safety monitoring, sewer gas detection, confined-space worker safety, industrial toxic gas monitoring, landfill gas monitoring, or smart city environmental safety projects, MacSync LH2S X1 transforms hazardous H₂S gas data into actionable real-time intelligence—helping organizations improve operational safety, environmental compliance, predictive maintenance, and workforce protection.

MacSync LH2S X1 LoRaWAN H2S gas monitoring sensor for industrial toxic gas detectionMacSync LH2S X1 wireless hydrogen sulfide sensor with LoRaWAN connectivity for STP and WWTP monitoring
Industrial LoRaWAN H2S sensor with rugged IP65 enclosure for hazardous gas monitoringMacSync LH2S X1 real-time hydrogen sulfide gas monitoring sensor for sewer and landfill applications

Download Center


Key Features

Industrial LoRaWAN® H₂S Sensor Industrial-grade LoRaWAN® H₂S sensor engineered for continuous hydrogen sulfide gas monitoring across STP, WWTP, sewer systems, confined spaces, and hazardous industrial environments.

Real-Time H₂S Gas Monitoring in ppm High-sensitivity industrial electrochemical H₂S gas sensor delivers continuous real-time hydrogen sulfide concentration measurements in ppm for toxic gas exposure monitoring.

Electrochemical Toxic Gas Sensing Advanced electrochemical sensing technology provides stable, repeatable, and selective H₂S gas detection for long-term industrial deployments.

Ultra-Low Power LoRaWAN® Operation LoRaWAN® Class A architecture enables long-range wireless H₂S monitoring with multi-year battery operation for remote and unmanned installations.

Long-Range LoRaWAN® H₂S Monitoring Reliable LoRaWAN® connectivity enables toxic gas monitoring across large industrial plants, underground utility networks, and smart city infrastructure.

Real-Time LoRaWAN® H₂S Alerts Configurable threshold alerts instantly notify operators during hazardous H₂S gas buildup and abnormal environmental conditions.

Designed for Harsh Industrial Environments Rugged IP-rated enclosure designed for wastewater plants, sewer chambers, chemical factories, landfill sites, and corrosive gas environments.

Trend Analysis & Historical Gas Data Continuously logs H₂S concentration behavior to support predictive maintenance, gas trend analysis, and environmental compliance reporting.

Secure AES-Encrypted LoRaWAN® Communication Supports secure wireless communication over public and private LoRaWAN® networks using AES-encrypted data transmission.

Flexible Reporting & Event-Based Uplinks Supports periodic reporting, threshold-triggered alerts, and event-driven uplinks for optimized battery and network utilization.

BLE Configuration via Maya App Local wireless configuration, diagnostics, and OTA firmware management through the Macnman Maya mobile application.

Supports Major LoRaWAN® Network Servers Compatible with ChirpStack, TTN, LORIOT, MQTT platforms, and enterprise LoRaWAN® infrastructure.


Suited Applications

Sewage Treatment Plants (STP) Continuous hydrogen sulfide gas monitoring around sludge handling units, aeration tanks, pumping stations, and sewage processing infrastructure.

Wastewater Treatment Plants (WWTP) Real-time H₂S gas detection across wastewater treatment processes to improve worker safety and environmental compliance.

Sewer Networks & Pumping Stations Long-range wireless H₂S monitoring for underground sewer systems, lift stations, utility tunnels, and drainage infrastructure.

Confined Space Worker Safety Toxic gas monitoring inside tunnels, inspection chambers, underground vaults, storage tanks, and confined industrial spaces.

Oil & Gas Infrastructure Continuous hydrogen sulfide monitoring for pipelines, processing facilities, wellheads, storage areas, and refinery operations.

Chemical & Industrial Manufacturing Plants Industrial H₂S gas monitoring for chemical processing units, sulfur handling facilities, paper mills, and manufacturing plants.

Landfills & Biogas Facilities Detection and trend monitoring of hydrogen sulfide gas generated during waste decomposition and biogas production processes.

Smart City Environmental Safety Projects Smart city toxic gas monitoring for public infrastructure, environmental safety, municipal sewer systems, and urban utilities.

Remote Industrial Installations LoRaWAN® long-range connectivity enables H₂S gas monitoring at isolated and unmanned industrial sites.

Environmental Compliance & Safety Reporting Supports occupational safety programs, environmental audits, predictive maintenance, and regulatory compliance initiatives.


H₂S Measurement
Gas Detected
Hydrogen Sulfide (H₂S)
Measurement Range
0 to 100 ppm
Maximum Detectable Concentration
500 ppm
Sensitivity
(0.8 ± 0.15) µA / ppm
Measurement Resolution
0.1 ppm
Repeatability
< 2% of output value
Stability (Per Month)
< 2%
Zero Drift
≤ 0.2 ppm
Expected Sensor Life
2 Years (in air)
Calibration
Factory calibrated

Wireless Transmission
Wireless Protocols
LoRaWAN® (v1.0.4), Macnman MacTalk Protocol
Antenna
Internal high-efficiency antenna
Supported Bands
IN865 / RU864 / EU868 / US915 / AU915
Tx Power
23 dBm @ 865 MHz
Sensitivity
-137 dBm @ 300 bps
Activation
OTAA
LoRaWAN® Class
Class A (Default), Configurable to Class C via Maya
Supports Major LNS
Private LNS, ChirpStack, TTN, MQTT, Orbiwise, Netmore, and direct PLC on-premise installations

Device Management
Configuration Method
Via Macnman Maya Android App
Local Configuration
BLE-Based Local Configuration
Remote Configuration
Over-the-Air Configuration (Downlink Commands)
Status LED
1 × Internal Multi-Color LED

Server Data Reporting Modes
Data Reporting Mode
Periodic / Event-based / Hybrid
Transmission Interval
Independent uplink interval for optimized power consumption
Threshold-Based Alerts
Configurable H₂S gas concentration threshold alerts for event-triggered transmission
Sampling Interval
Configurable data acquisition interval (e.g., 1 min to 24 hours)

Battery Performance (BO Series)
Battery Type
Li-SOCl₂ Cell (19Ah) Industrial grade
Power Consumption
~100 µA in sleep mode / ~50 mA during transmission
5-Minute Reporting Interval
~2 Years (Estimated)
15-Minute Reporting Interval
~4 Years (Estimated)
60-Minute Reporting Interval
~7+ Years (Estimated)

Power Performance (PO Series)
Input Voltage Range (Optional Variant)
9 ~ 36 V DC (External Supply)
Power Consumption
~100 µA in sleep mode / ~50 mA during transmission

Communication Options
BLE Connectivity
For local configuration and diagnostics via Maya App
Cloud Protocols
MQTT / HTTPS / TCP/IP (Gateway Dependent)

Security & Encryption
Data Encryption
AES-128 LoRaWAN® encryption
Authentication
OTAA Device Activation
Firmware Protection
Secure boot and signed OTA updates

LED Status
LED Type
1 × Internal Multi-Color LED
Solid Blue
Device connected to Maya App
Flashing Blue
OTA (Over-the-Air) update in progress
Slow Blinking Green
Attempting to connect to the LoRaWAN® network
Single Red Blink
Confirmed parameter modification

Physical Characteristics
Operating Temperature
-40°C to +80°C
Humidity Range
0% ~ 100% RH (non-condensing)
Ingress Protection
IP65 standard (IP67 optional variant)
Housing Material
Glass Filled Nylon
Color
Matte White
Weight
~175 g
Mounting Options
Pole Mount / Wall Mount

Certifications & Compliance
WPC
Compliant
RoHS
Conforms to RoHS directive

MacSync LH2S X1 Variants

Variant NamePower SourceIdeal ForSKU
MacSync LH2S X1 BOBattery PoweredRemote and low-power LoRaWAN® H₂S monitoring deployments818
MacSync LH2S X1 POExternal Power (9 ~ 36 V DC)Continuous powered industrial H₂S monitoring deployments819

What's in the Box ?

Make sure the box contains the following items before installation.

  • MacSync L H2S X1 Sensor
  • Mounting Clip
  • User Manual
  • Warranty Card
  • IP68 Cable Extender *
  • Mounting Screws
  • Power Adapter *

title image

note

Accessories marked with * must be purchased separately and may not be included in the box.


MacSync LH2S X1 Product Dimensions

The MacSync LH2S X1 features a compact industrial-grade enclosure with overall dimensions of 166 mm × 62 mm × 43 mm, enabling easy wall and pole mounting across industrial facilities, wastewater infrastructure, sewer monitoring deployments, and hazardous gas monitoring environments.

MacSync LH2S X1 LoRaWAN H2S sensor mechanical dimensions and industrial mounting layout