MRU DM 401 Dust Monitoring System

• Measuring range:
  • 0 to 100% opacity
  • 10 to 1,000 mg/m dust *with onsite calibration
• Direct continuous measurement across stack
• ±2% accuracy
• Aluminium die cast housing
• 3 relay contacts
• 4-20mA analog relay output
• USB or RS485 PC interface
• IP65 protection class
• No moving parts

The MRU DM 401 dust monitoring system is the ideal dust monitoring instrument for continuous monitoring of
flue gas particulates in the ducts/stacks/chimneys of industrial combustion. The DM 401 has simple installation,
commissioning and operation. With no moving parts there is minimal maintenance. The DM 401 features PC based
setup, control and data logging.

The DM 401 is designed for use in multiple industries including:

• Power utilities
• Refineries
• Chemical / Petrochemical
• Incinerators
• Cement plants
• Iron and steel plants
• Crematoria
• Electrostatic precipitators
• Filter bag houses