Fuji Electric, ZFDM-4 Dust Monitor

The Fuji Dust Monitor ensures the continuous monitoring of dust emission at stack and after bag filter monitoring. 
It applies to all industries with dust.

Features:
- Continuous Monitoring light scatering
- LED light source for accurate measurement
- Continuous air purge to avoid any contamination
- Optical fibers light transfer for high temperature and vibration resistance
- Modulated light beam -> no interference from ambient light

Certifications:
- EN14181 « QAL1 » TÜV certified
- Compliance with the European Directive concerning electromagnetic compatibility (2004/108/CE)
- Compliance with NFX 43-302 standard
- Protection rating(EN 60529): IP 65

Avantages:
- Simple installation and very low maintenance
- Automatic monitoring and correction of fouling to avoid any drift
- Adapted for very low dust concentration levels, small and medium duct diameter and light to dark particules
- Permanent & full self-diagnosis
- Extended maintenance interval

Fuji Electric ZFDM-4 dust monitor.

- High temperature scanner head (700°C) 
- Stainless steel 304L housing 
- Length of fibre optics to suit application 
- Commissioning assistance 
- Maintenance contract 
- Optional 3 year warranty

Certification:
- Protection rating(EN 60529): IP 65
- Approval n° 78.1.01.923.1.0 by the French Ministry of industry for heating installations over 300 kW
- Meets standard NFX 43-302
- In accordance with the European directive concerning electromagnetic compatibility (CE) - Certification QAL 1 (TUV) according to standard ISO 15267

Fuji Electric ZFDM-4 DUST MONITOR INSTRUCTIONS FOR ASSEMBLY, ADJUSTMENT, MAINTENANCE.

Description of the electronic circuits.
The Fuji ZFDM-4 electronics comprises 2 circuits :
-The main circuit in which are combined the logic slaving functions and power supply.
-The Transmitter/Receiver unit


Main circuit.
All the ZFDM-4 functions depend on this circuit, which is equipped with a microprocessor which manages the measurement’s acquisition & processing, including the man-machine interface using an LCD display with a 6 button keypad.The microprocessor carries out various functions:
- Managing the light emitted 
- Processing of the measurements 
- Display 
- Managing the 4-20mA outputs 
- Controlling the sensor temperature 
- Managing of alarms and faults.

The main circuit comprises the electrical supply circuit which supplies the various voltages necessary for operating the electronics.

Detail of the front face of the main board: