Dust monitor with light scattering technology ZFDM-4 FUJI ELECTRIC
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Dust monitor with light scattering technology ZFDM-4 FUJI ELECTRIC

Measurement of dust concentration at emission

This device retains its ease of installation, with its one-piece sensor suitable for a wide range of applications (coal, fuel oil, biomass, other solid fuels).
Self-monitoring for clogging and automatic continuous correction correct any measurement drifts.
The device is suitable for small to medium duct diameters, for very low to medium dust concentrations and for light to dark-coloured particles. Electronic chopping of the LED beam ensures insensitivity to ambient light.

Features

  • • Simple installation and low maintenance
    • Automatic fouling control and correction
    • Permanent full self-diagnosis functions
    • Significantly longer maintenance intervals
    • Permanent measurement and compensation of fiber contamination

Fields of application

Continuous monitoring of particulate emissions, coal-fired boilers, biomass and other solid fuels, oil-fired boilers, diesel engines.

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Technical Specifications:

Housing Epoxy-painted steel (SS304L optional)
Power supply 230 V / 115 V (+10/ -15 %) 50 Hz / 60 Hz
Power consumption 50 VA
Operating temperature -20 to +50 °C
Chimney diameter 400 mm to 8 m
Measurement range 0 to 1000 mg/Nm3
Measurement scale Adjustable, minimum 10 mg/Nm3
Display resolution From 0.1 to 1 mg/Nm 3 depending on the scale
Dual measurement scale Automatic scale alternation
Analog outputs 3 x 4-20 mA for 750 Ohms
Digital outputs 4 programmable relays for scale, threshold, contamination level and general fault
Certifications CE marking, QALI (EN14181:2014)
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Hull 304L stainless steel
Heating element Electric resistance 500 VA
Sweep air pressure/flow rate 0.3 to 0.4 bar / 3 Nm3/h
Maximum flue gas temperature 350 °C (up to 700 °C optional)
Automatic self-tests Air and temperature control
Weight 4.8 kg
Optical fiber
End cap and sheath 304L stainless steel
Standard length 2,20 m
Permissible fiber temperature -20 to 220 °C

DATA SHEET
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