MRU DM 401 Dust Monitoring System
Starting at $5,861.00

Not in stock. Usually ships in 3-4 weeks [?]

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  • 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

What's in the Box

  • Transceiver TRX head
  • Air purging heads (two)

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

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

MRU 86101 / 86102 Air Purging Blower
Single phase 110 / 220 VAC motor, high capacity 40m3/h, for use with the DM 401


Please consider these optional accessories.

MRU 86132 Compressed Air Kit
Compressed air kit, for air purge using compressed air system
MRU 86137 Replacement Filter Elements
Set of replacement filter elements for compressed air kit
MRU Pneumatic Tube Cutting Tool
Pneumatic Tube (12mm) Cutting Tool
MRU 86103 Air Purging Hose
Air purging hose for use with the DM 401, 1m to 15m lengths available
MRU 86104 Air Dust Filter
Replacement air dust filter for blower
MRU 86105 Calibration Head Assembly
Calibration Head Assembly, for manual zero/span check