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DM 401 Connections

DM 401 – Optical Dust Monitor / Transmitter

DM 401 Connections
DUST OPACITY MONITORING SYSTEM. Double pass opacity monitor. Continuous in-situ measurement.
  • Double pass opacity monitor
  • Small and light-weight
  • Low operating cost
  • Minimal maintenance – no moving parts
  • Long Life green LED
DM 401 Connections

DM 401 – Optical Dust Monitor / Transmitter

DM 401 Connections
DUST OPACITY MONITORING SYSTEM. Double pass opacity monitor. Continuous in-situ measurement.
  • Double pass opacity monitor
  • Small and light-weight
  • Low operating cost
  • Minimal maintenance – no moving parts
  • Long Life green LED

Description

Features:

  • Double pass opacity monitor
  • Small and light-weight
  • Low operating cost
  • Minimal maintenance – no moving parts
  • Long Life green LED

Benefits:

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

Applications:

Stack opacity, Stack dust monitoring, Emission opacity, baghouse dust monitor, Continuous Emission Monitoring, Flow / Dust, Gas Turbines / Compressor, Iron / Steel Industry, Power Plants, Refineries / Petrochem, simple

  • Direct continuous measurement across stack
  • Small, lightweight & low operating costs
  • Simple installation, commissioning and operation
  • No moving parts – minimal maintenance
  • PC based setup, control and data logging
  • Long-life green LED source
  • High measuring accuracy
  • Opacity or mg/m3 (*) after on site calibration according to VDI 2066

Measurement performance

ParameterUnitsMinMaxComment
Path. length (flange to flange)meters0.510flange-to-flange distance
Measuring range
Particulatemg/m³10.01000after on site calibration
Opacity%0.0100.0user selectable
Accuracy%–2+2
Resolutionmg/m³0.1display resolution
Dampings160selectable
Drift with temperature%–2+2for any 20 °C change
Operating wave lengthnm510540green LED

Power and air requirements

VoltageVdc+2490 … 240 Vac PSU available
Air supply volumel /min50200to each air purge inlet
Air supply fitting1″ BSP threaded aperature

Interface options

RS 485ModBus RTU
Analog outputsmA4.020.0isolated and scalable
Relay contact3 A @ 30 Vdclevel alarm and service alarm

 

Physical

Protection classIP 65for outdoor use
Operating temperature°C–20+55air temperature around the equipment
Gas temperature°C100600heat insulated gaskets included

 

Dimensions

Transceiver6.02” x 4.8” x 4.72”153 x 122 x 120 mm
Reflector6.02” x 4.8” x 4.72”153 x 122 x 120 mm
Purging air blower unit12.2” x 8.66” x 9.05”310 x 220 x 230 mm
Enclosurestainless steel, powder coated
Weighttransceiver: 5.5 lbs., reflector: 5.5 lbs. purging air blower unit: 24 lbs.transceiver: 2,5 kg, reflector: 2,5 kg purging air blower unit: 11 kg

 

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