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OMS 420 Ex – O2 and COe Monitor

O2 & COe in-situ monitoring system for use in hazardous area zone 2
  • Make your combustion process more cost-effective.
  • Get the data to show your organization cares about the environment.

Description

Features:

  • O2 & COe in-situ monitoring system for use in hazardous area zone 2
  • The O2 and COe monitor is dedicated for continuous combustion optimization at:
    • Various industrial furnaces/ovens/boilers, with hazard of explosive atmosphere
    • Petroleum refinery plants petrochemical plants
    • Gas separation, blast furnace, coke oven, or other syngas plants

Benefits:

  • Make your combustion process more cost-effective.
  • Get the data to show your organization cares about the environment.

Applications:

Cement Industry, COe, Continuous Emission Monitoring, Gas Turbines / Compressor, IN-SITU, Installers / Boiler Manufacturers, Iron / Steel Industry, O2, Power Plants, Refineries / Petrochem, simple

  • Hazardous area designation of use: Zone 2 or Class 1, Div 2, Gr A/B/C/D
  • Special IP 65 pressurized cabinet and z-purge controller, complying to II 3G Ex pz II T3 Gc
  • Easy and fast, on site replaceable detector head with sensors (O2 & COe)
  • Integrated control unit with backlit display, operating key pad, dual galvanic isolated 4 … 20 mA output and digital output RS 485 (Modbus RTU)
  • Stainless steel SS316Ti flange 4″ ANSI-150Ibs with flow guidance probe tubes, from 11.81“ up to 78.81“ length
  • Unique hot solid electrolyte sensor for combustible COe-measurement without need for sample dilution with air as required for catalytic bead sensors (Pellistors) (Option)
  • Unique blow-back system for dusty flue gases (Option)
  • Integrated auto-calibration for accurate measurements (Option)
  • Dust tight and water proof enclosure, with optional ATEX heater for very low ambient air temperatures or optional ATEX Vortec cooler for high ambient temperatures
MEASURING RANGE
O20 … 25 % (zirconium dioxide)
COe0 … 1,000 ppm (hot solid electrolyte)
Temperatureup to 1,832°F (1,000 ° C)
Pressure361 inH2O to 441 inH2O (900 to 1.100 mbar)
Flow Velocitymin. 1 m/sec to max. 30 m/sec

 

DIMENSION AND OTHER DATA
Warm up timeminimum 30 minutes
Ex classificationEx II 3G Ex pz II T3 Gc
Response time< 10 seconds
Flangeflange 4″ ANSI-150 lbs, stainless steel 1.316Ti
Probe tube length11.81″ to 78.81″ (300 mm to 2,000 mm), Inconel steel
InterfacesDual, analog output 4 … 20 mA, isolated, max. load 500R, RS 485
digital interface (Modbus RTU), DIN-rail RS 485/Profibus converter
Calibrationmanual or automatic (user free settable)
1 point (offset) or 2 points (offset and span)
Power supply100…240 Vac / 47…63 Hz / 100 W or 300 W with cabinet heater
Compressed air87 … 116 psi (6…8 bar), free of dust, oil and water (DP -4°F (-20°C) or less)
Ambient conditions41°F … 113°F (+5 °C … +45 °C) (149°F (+65 °C) with ATEX Vortec cooler)
-49°F … 113°F (-45°C … +45 °C) with cabinet heater
Dimensions25.58″ x 19.68″ x 13.77″ (650 x 500 x 350 mm) (H x W x D)
ProtectionIP 65
Weight55lbs. (25 kg)

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