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Model 9705 Process Gas / NOx Monitor

Brand: Brand-Gaus, LLC

The Brand-Gaus Model 9705 is an extraordinarily compact rugged process analyzer providing fast, reliable, precise, and continuous emissions measurements of nearly any type of combustion source.

Combining the high-performance and ruggedness of solid-state chemiluminescence, UV fluorescence, and NDIR detection with our innovative patented moderate dilution (meso-dilution) eliminates the need for climate control and most sample handling equipment found in conventional monitors. 

The Brand-Gaus Process Gas Analyzer is ideally suited for monitoring NOx or SO2 levels from feedback or feed-forward controlled processes, where very fast, real-time continuous detection is highly beneficial.

The Brand-Gaus Model 9705 Process Gas Monitor features dramatically simpler operation, lower capital and operating cost, and much higher reliability than conventional CEMS or other technologies.
Features
  • Proven Field Performance
  • Simple Operation, Low Cost, High Reliability
  • Patented Meso-Dilution Gas Analysis
  • High-temperature Gas Detection at the Source
  • Simple, Robust User Interface

Specifications

Ambient Conditions

  • -20 to 55 C, continuous outdoor use

Power Required

  • 120 Vac, 5A max

Instrument Air Required

  • 2 SCFM, 80 to 100 psi

Sample Flow

  • 50 SCCM

Calibration Flow Rate

  • 1-5 SLPM

Response Time

  • T95 < 15 seconds

Gas Concentration Signal

  • 4-20 mA analog output for each gas, adjustable concentration range

Maximum Process Temp

  • 500 C

  • NOx monitoring of selective catalytic reduction systems (SCR) and non-catalytic reduction systems (SNCR)
  • SO2 monitoring for SO2/SOx scrubbers
  • Compliance assurance monitoring of small sources
  • Emissions monitoring of combustion sources:
  • Coal-fired boilers (low and high sulfur coal)
  • Natural-gas fired boilers and internal combustion engines
  • Diesel engines
  • Gas turbines
  • Nitric acid plants
  • Cement kilns
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