X1 Gas Hydrogen Sulphide

X1 Gas Hydrogen Sulphide

The X1 H2S Sensor used to monitor airborne levels of Hydrogen Sulphide in iron smelters, landfills, food processing plants, breweries and nuclear power plants.

Use Cases:

  • Iron Smelters production
  • Landfill Management monitoring
  • Process monitoring at food processing and breweries
  • Monitoring Nuclear plant water production
  • Agricultural disinfectant monitoring
SKU: X1-GHS-1v2 Category:


X1 Hydrogen Sulphide Gas Sensor is a revolutionary state of art ElectroChemical sensor. It is highly accurate, has a low power consumption and is ideal for monitoring in health, environmental, industrial and residential scenarios

This sensor has a wide measurement range of 0 to 1000 ppm of H2S. It has a resolution of <0.5 ppm approximately.

This sensor is maintenance free and pre-calibrated, which ensures a hassle-free smooth operation. It has an expected operating life of more than 5 years which makes it an ideal investment.

Additional information


LoRaWan, Bluetooth, Wifi


Black, White



  • IP43 Rated – Rain and splash resistant casing
  • Aluminium and Polycarbonate construction
  • Size: Cylindrical 40mm (D) x 109mm (H)

Sensor Range

  • Wide measurement range: 0 to 1,000 ppm
  • Operating temperature: -30 to 55 °C
  • Operating humidity: 15-95 % (0-100 % non-condensing intermittent)
  • Resolution: <5 ppb


  • Xtensa® dual-core 32–bit LX6 microprocessor(s)
  • Micro-Python Operating System


  • RAM: 4MB
  • External flash: 8MB

 LoRa specification

  • Semtech LoRa transceiver SX1276
  • LoRaWAN stack
  • Class A and C devices

LoRa Operating Frequencies

  1. 868 MHz (Europe) at 14dBm maximum
  2. 915 MHz (North and South America, Australia and NZ) at 20dBm maximum
  3. 433 MHz (Europe) at 10dBm maximum
  4. 470 – 510 MHz (China) at 14dBm maximum

LoRaWAN Regions

  1. AS923, AU915, EU868, US915

Security & Certification

 LTE CAT-M1/NB-IoT (Optional)

  • Supports narrowband LTE UE categories M1/NB1
  • Peak power estimations:
    • TX current = 420mA peak @1.5Watt
    • RX current = 330mA peak @1.2Watt

1: Devices are Either Cellular OR LoRa

WiFI Connectivity

  • MQTT Protocol Compliant
  • 802.11 b/g/n/e/i
  • 802.11 n (2.4 GHz), up to 150 Mbps
  • 802.11 i security features: pre-authentication and TSN
  • Wi-Fi Protected Access (WPA)/WPA2/WPA2– Enterprise/Wi–Fi Protected Setup (WPS)

Bluetooth Connectivity

  • Compliant with Bluetooth v4.2 BR/EDR and BLE specification
  • Class–1, class–2 and class–3 transmitter without external power amplifier
  • Enhanced power control
  • +12 dBm transmitting power
  •  Adaptive Frequency Hopping (AFH)

Power Options

  • Rechargeable 18650 LiPo Battery 1

( 1 x 3400mAh batteries,3.7V operation)

1: Estimated 1-yar battery life at hourly measurement intervals.

Mounting Kits

  • Quick Install Mounting Bracket

Security & Certification

  • 256-bit SHA, MD5, DES, AES Encryption
  • CE, FCC, IC and RCM certified
  • CE 0700


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The size of the Payload for this device is 16 bytes.

Please refer to this article to learn more about decoding a payload: Decoding a Payload

Sample Device Data:  

Voltage: 4106 mV
Message Number: 1
RSSI -(dB): 1
ErrorCode: 0

Sample Sensor Data:  

Gas(PPM): 1 ug/m^3
Temperature: 20.2 Degrees C