Distributor Rosemount™ 928 Wireless Gas Monitor

WWW.DISRIBUTORALATINDUSTRI.COM | Distributor Rosemount™ 928 Wireless Gas Monitor The Rosemount™ 928 Wireless Gas Monitor is a fixed wireless gas detection transmitter designed for continuous monitoring of toxic and combustible gas concentrations in industrial and hazardous areas. Utilizing WirelessHART® (IEC 62591) technology, the monitor provides reliable real-time gas detection without the need for signal or power wiring, making it ideal for remote, hard-to-access, and hazardous locations. The monitor features a tool-less hot-swappable smart sensor module, allowing fast sensor replacement and reduced maintenance downtime

Distributor Rosemount™ 928 Wireless Gas Monitor

Technical Specification

• Product: Wireless Gas Monitor
• Brand: Emerson Rosemount
• Model: Rosemount™ 928
• Measurement Type: Continuous Fixed Gas Detection
• Communication Protocol: WirelessHART® (IEC 62591), 2.4 GHz
• Measured Gases:
  • Hydrogen Sulfide (H₂S): 0–100 ppm
  • Carbon Monoxide (CO): 0–1,000 ppm
  • Oxygen (O₂): 0–25% Vol.
  • Combustible Gas: 0–100% LEL (configuration dependent)
• Sensor Technology:
  • Electrochemical Sensor (H₂S, CO, O₂)
  • MEMS Sensor (Combustible Gas)
• Output: WirelessHART® with optional discrete alarm output
• Display: Integral LCD Display with gas concentration, status, and diagnostics
• Power Supply: Replaceable intrinsically safe lithium-thionyl chloride battery module
• Battery Life: Typically more than 2 years (application dependent)
• Update Rate: User configurable from 1 second to 60 minutes
• Enclosure Material: Low-copper Aluminum or Stainless Steel
• Ingress Protection: IP66
• Operating Temperature: Up to -40°C to +60°C (depending on gas sensor type)
• Hazardous Area Certification: ATEX, IECEx, CSA, FM (configuration dependent)
• Mounting: Pipe, wall, or bracket mounting
• Accuracy: Up to ±3 ppm or 10% of reading for toxic gas sensors (depending on gas type)

Features

• WirelessHART® communication eliminates signal and power wiring.
• Continuous monitoring of toxic and combustible gases.
• Tool-less hot-swappable smart sensor module for quick field replacement.
• Large LCD display with gas concentration, diagnostics, and alarm indication.
• Replaceable intrinsically safe battery module for easy maintenance.
• High communication reliability (>99%) over WirelessHART®.
• Fast installation and reduced commissioning cost.
• Suitable for remote, hazardous, and difficult-to-access locations.
• Advanced self-diagnostics with sensor end-of-life indication.
• Optional discrete output for activating local alarms.

Typical Applications

• Oil & Gas Production Facilities
• Refineries
• Petrochemical Plants
• Chemical Processing
• Offshore Platforms
• LNG Facilities
• Tank Farms
• Pipeline Monitoring
• Compressor Stations
• Remote Hazardous Areas

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