Rosemount™ 928 Wireless Gas Monitor

Rosemount

Rosemount™ 928 Wireless Gas Monitor

Rosemount

The Rosemount 928 Wireless Gas Monitor with tool-less hot-swappable gas sensor extends detection coverage to remote installations, eliminates wiring costs, and provides an early warning to protect personnel and minimizing down time.

Specifications

Operating Temperature
-40 °F to +122 °F (-40 °C to +50 °C )
Update Rate
1 second to 60 minutes, user selectable
Time Constant / Response
T20 < 8 seconds
T50 < 10 seconds
T90 < 45 seconds
Detection Range
Gas Concentration Level 0-100 ppm range for Hydrogen Sulfide (H2S)
Power Supply
Replaceable, intrinsically safe lithium-thionyl chloride power module with PBT polymer enclosure
Antenna Type
PBT/PC integrated omnidirectional antenna
Humidity Range
0-100 % Relative Humidity non condensing
Enclosure Rating
IP66 ingress protection (IP) filter
Housing Material
Low-copper aluminum (A360) or stainless steel
Certifications/Approvals
Intrinsically Safe, M/CSA Div 1 ANSI/ISA 92.00-2010 (R2015); ATEX/IECEx Zone 0
Outputs
IEC 62591 WirelessHART® 2.4GHz DSSS. Optional discrete output to support local alarms

Features

  • Hot-swappable electrochemical sensor module with end-of-life diagnostics that can be installed in the field without tools.
  • Replaceable, intrinsically safe lithium-thionyl chloride power module. The power module has over two years of service life and can be easily exchanged in the field in hazardous locations.
  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability
  • Easy, intuitive installation enables a quick method to add safety monitoring without the cost of wiring
  • High performance monitoring comparable to conventional wired gas monitors with an accuracy of ±3 ppm or 10% of reading, whichever is greater

Documents & Drawings