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Plexus IWS - Distributed Control Systems Methane & Oxygen Measurement
Plexus Controls Intelligent Wireless System (IWS) nodes comprise of a range of distributed wireless products from Plexus Controls providing advanced supervisory, control and data acquisition (SCADA) functionality for commercial and industrial applications. With `out the box` auto mesh wireless functionality and low power requirements, the IWS Methane and Oxygen Gas Analysis System (GAS) can be easily installed at a flare or well site and connected into the biogas pipe using ¼” sampling and return tubes providing a flow through using a pitot tube or orifice plate. The IWS-CH4O2 takes a reading 24 times a day (programmable).
Methane content (% volume) and oxygen content (% volume), is taken and reported via MODBUS TCP or Plexus database portal. The system has full gateway functionality providing alarm email/sms notification and GUI map display via a webpage. The system stores all readings with date/time stamp. All data may be downloaded a regular basis (programmable) or continuously monitored in real time over a WAN connection such as a cell modem.
Plexus IWS GAS system uses the latest digital IR (methane sensor), and digital fluorescence quenching (oxygen sensor) technology with 1 year calibration validity. Either sensor can be swapped out in the field in a few minutes and recalibrated for another year.
IWS-H-CH4O2 systems are powered through the Ethernet cable from a 24V 1.5A power source. IWS-R-CH4O2 systems have an internal 24V DC power connection. A power adapter and injector cable is provided with the system.
- Methane & Oxygen content analysis for biogas monitoring
- Methane: Integrated digital IR gas sensor technology with 1 year sensor calibration (certified)
- Oxygen: Integrated digital fluorescence quenching technology with 1 year sensor calibration
- Additional Voltage/Current inputs
- Ethernet WAN connection with PoE (H version)
- MODBUS TCP support (at gateway site)
- Full wireless gateway functionality for adding Plexus remote systems (H version)
- Rugged cast aluminum enclosure for all weather operation
