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Seeed Studio MODBUS RS485 H2S Sensor

Model:
RS485-H2S

An IP65 RS485 H2S Sensor measures the hydrogen sulfide concentration ranges - from 0~100ppm, air temperature(-40~85℃), and humidity(10~95%RH). Use in farming areas, industry areas and meteorological monitoring. Use the sensor with SenseCAP 4G Data Logger for seamless data collection and management.

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Description

Key Features:

  • High Performance: High accuracy, fast response, fast return to zero, plug-and-play type.
  • Multiple Uses: Ability to monitor hydrogen sulfide concentration, air temperature, and humidity.
  • Ultralow-power: Smallest size and lowest power consumption sleep type design, lifetime up to 5 years or more.
  • Combined with an intelligent algorithm, better environmental adaptability, more accurate detection, and stable zero point.
  • New micro-circuit design, strong anti-electromagnetic interference.

Specifications

The basic parameters
Product model S-H2S-01
Supply Voltage 3.3 ~ 5.5V DC (recommended 5V power supply).
Supported Protocol MODBUS-RTU RS485
IP Rating IP65 (The equipment should be protected from direct sunlight and rain over long periods of time).
Operating Temperature -40°C to 55°C (best operating temperature 20 to 35 °C).
Operating Humidity 15 to 95% RH (non-condensation) (best operating humidity 50%RH).
Ambient Pressure Atmospheric pressure ±10%.
Cable Length 2 meters
Measurement Parameters
  Measurement Measurement accuracy Resolution
H2S 0~100 ppm(Minimum detection limit:1ppm) ± 5% F.S 0.1 ppm
Temperature -40~85 °C ± 0.2 °C 0.1 °C
Humidity 10~95 %RH(non-condensation) ± 2% 0.1 %RH
Power
Operating Current < 5mA
Power Consumption 25mW @ 5V DC
Product Details
RS485-H2S
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