SO₂ UV absorption Analyzer


Eco-designed, ultra-compact, smart & connected continuous gas analyzer, for emission or process gas monitoring. Perfectly suited to control SO2 removal efficiency in processes using Flue-gas desulfurization (FGD) / DeSOx systems.

With the incorporation of recent optical and electronic technologies, the analyzer offers many advantages while requiring only limited maintenance.

NEW generation
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  • Superior metrological performances for the  measurement of SO2
  • Built-in cell for O2 monitoring (optional)
  • Environmental-friendly and cost-saving analyzer, with ultra low power consumption
  • Ultra-small and lightweight : 3U, 19’’ Rack
  • Highly accurate, excellent stability with automatic optical stability check
  • Compatible with any type of drying technology (gas cooler, permeation, dilution…)
  • Breakthrough mechanical design for weight and power saving as well as thermal insulation & reliability
  • Proactive, user-friendly remote communication
  • Smart analyzer including AMS control functionnalities: integrated sampling control, automatic zero and span gas injection, external pump control, system alarms display…
  • Highly accurate, excellent stability, economical, easy and reduced maintenance
  • Municipal and Hazardous Waste Incinerators
  • Industrial Boilers and Furnaces
  • Power & Combustion
  • Cement Kilns, Chemical & Petrochemical Plants
  • SO2 removal efficiency in processes using Flue-gas desulfurization (FGD)
Technical Specifications
Measurement range 0-100 / 0-1000 / 0-4285 mg/m3 user programmable
0-35 / 0-350 / 0-1500 ppm user programmable
Noise (σ) 0.1 ppm (response time : 80 sec)
Minimum detectable limit (2σ) 0.2 ppm (response time : 80 sec)
Response time (0-90 %) 40 – 90 sec (programmable)
Zero drift < 0.2 ppm / 24 h
Weight 9 kg (19.9 lbs)
Linearity ± 1 %
Sample flow-rate Approximately 60 liter/hour
Temperature & pressure influence Automatic temperature/pressure compensation
Display TFT LCD color screen, resolution: 800 (RGB) x 480, size: 7 inches
Control Touch screen
Output signals (option) 4 analog outputs (0-1 V, 0-10 V, 0-20 mA, 4-20 mA)
Power supply 100~250Vac, 50/60Hz + ground
Consumption 50 W
Working temperature 0 °C to 35 °C
Memory storage of measurement values Capacity : 1 year based on 15-min intervals
Alarms checks Detection and identification of anomalies in continuous: temperature, flow rate, electric parameters, out of gas programmable measurement threshold.
Tests and diagnostics of maintenance Direct selection with the touch screen and/or remote selection on the embedded Web server
Ethernet output RJ45 socket, UDP protocol
USB port Type A USB socket: 2.0 (3.0 compliant)
Zero/span external SV control Contact connector with screw terminals
Dimensions (LxDxH) 483x606x177 mm

Complete systems would comprise of:

  • Sampling lines
  • Automatic calibration units
  • Instrument air drying system
  • Data acquisition & management system
  • Sample extraction and conditioning probe

Emission measurement: “MIR 9000 ASD Option”
Certificate Holder: ENVEA S.A. (Environnement S.A.)
Test Mark Number: 0000051692

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