GS301 – Indoor LoRaWAN NH₃/H₂S Gas Detector – Milesight | DistrIoT
Milesight
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GS301 – Indoor LoRaWAN NH₃/H₂S Gas Detector – Milesight

Détecteur de gaz GS301 Milesight LoRaWAN, mesure NH₃/H₂S, capteurs électrochimiques, buzzer, autonomie 3 ans, installation murale en intérieur.

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Description détaillée

GS301 – Indoor LoRaWAN NH₃/H₂S Gas Detector – Milesight

General Description

The Milesight GS301 is a compact industrial gas detector capable of monitoring ammonia (NH₃) and hydrogen sulfide (H₂S) concentrations in indoor air. It incorporates high-precision electrochemical sensors and offers reliable data transmission via LoRaWAN® and Milesight D2D. Equipped with a buzzer and LED indicator for local alerts, it provides real-time monitoring in industrial buildings, farms, or laboratories.

Targeted Applications

  • Air quality monitoring in industrial areas
  • Gas leak detection in farms
  • Laboratories and research facilities
  • Water or waste treatment facilities
  • Technical rooms or maintenance areas

Highlights

  • Precise electrochemical sensors for NH₃ and H₂S
  • Dual transmission technology: LoRaWAN® + D2D
  • Local signaling via buzzer and alert LED
  • Easy configuration by NFC via mobile application
  • 3-year battery life with replaceable batteries
  • Extended operating temperature range (-40°C to +55°C)
  • Quick and easy wall installation

Technical Specifications

Wireless transmission
Protocols LoRaWAN®, Milesight D2D
Supported frequencies CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4
Transmit power 16 dBm (868 MHz) / 22 dBm (915 MHz) / 19 dBm (470 MHz)
Sensitivity -137 dBm
Fashion OTAA / ABP – Class A
Sensors
Ammonia (NH₃) 0 ~ 10 ppm, ± 5%, resolution 0.01 ppm
Hydrogen sulfide (H₂S) 0 ~ 5 ppm, ± 5%, resolution 0.001 ppm
Detection principle Solid polymer electrochemical
Long-term stability < 1% accuracy drift per month
Temperature -40 to +85°C, accuracy ± 0.2°C, resolution 0.1°C
Humidity 0 ~ 100% RH, ± 2%, resolution 0.5% RH
Physical characteristics
Food 4 × 4000 mAh ER18505 Li-SOCl₂ (replaceable)
Autonomy About 3 years (10 min interval)
Operating temperature -40°C to +55°C
Relative humidity 0% to 95% (non-condensing)
Protection index IP30
Dimensions 120 × 85 × 32.5 mm
Material / Color Flame retardant PC+ABS, white
Facility Wall mounting

Interfaces and Connectors

The GS301 has an internal reset button, an audible (buzzer) and visual (LED) alert, and is configured via NFC with the Milesight ToolBox mobile app.

Pack Contents

  • 1 × Milesight GS301 Gas Detector
  • 4 × ER18505 Li-SOCl₂ Batteries
  • 1 × Wall mounting kit
  • 1 × Quick Start Guide