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Electro-inductive dust analyser - ZiDM-4 EMIDUST
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Electro-inductive dust analyser - ZiDM-5 QALDUST
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Find out how Fuji Electric is replacing its older gasanalysers models with innovative, sustainable versions that optimize performance and environmental compliance.
Based on proven inductive electrification technology, the ZiDM series has a detection limit of 0.01 mg/m³ and retains its world-renowned reliability and robustness.
BrochureDownload the brochure to find out more about precise, robust multi-gas analysis solutions for all your industrial applications.
The various features available make the ZiDM series suitable for a wide range of applications, including emission measurement, industrial process control, and filtration system monitoring.
This dust monitor can indeed be installed on processes such as baghouse filters, cyclones, dryers, or other dust collection systems to monitor particulate emissions and filter performance.
The ZiDM series is often used for process control in applications where dust levels must not exceed defined limits. The integrated relays of the ZiDM series can be used as alarm signals for dust levels.
The mA output and RS485 interface make this instrument ideal for trend monitoring applications.
The very short response time is a hallmark of Fuji Electric's dust monitors. It enables rapid detection of malfunctions in the dust removal process and helps prevent costly product loss.
| Δ = Standard - = Option | ZiDM-3 MONIDUST | ZiDM-4 EMIDUST | ZiDM-5 QALDUST |
| Robust die-cast aluminum enclosure, IP66 class | Δ | Δ | Δ |
| Quick-clamp connection for easy installation | Δ | Δ | Δ |
| Green, yellow, and red status LEDs | Δ | Δ | Δ |
| "Autosetup" function for automatic basic setup | Δ | Δ | Δ |
| Two dry-contact relays indicating two adjustable dust levels: alert and alarm | Δ | Δ | Δ |
| 24 VDC or 100 to 240 VAC power supply | Δ | Δ | Δ |
| USB interface for convenient connection during commissioning | Δ | Δ | Δ |
| DustTool software for parameterization and configuration | Δ | Δ | Δ |
| Standardized production response: optimum, identical quality for every device | Δ | Δ | Δ |
| Linearized during production using the ISO 12103 standardized "Arizona Road Dust Test" | Δ | Δ | Δ |
| RS485 for Modbus RTU communication or proprietary protocol | Δ | Δ | Δ |
| 4-digit green-backlit display and buttons for local configuration and status display | Δ | Δ | Δ |
| Isolated, active mA output with NAMUR NE43-compliant alarms | Δ | Δ | Δ |
| Automatic zero and span calibration with automatic drift correction | Δ | Δ | Δ |
| Calibration option for measurements in mg/m³ | - | Δ | Δ |
| QAL1 certification by TÜV and MCERTS to EN14181:2014 | - | - | Δ |
| Flow rate compensation using the mA signal from an external flow meter | - | Δ | Δ |
| Wireless communication option to reduce cabling and installation costs | - | - | - |
Fuji Electric dust monitors, or dust analysers, measure particles that interact with an insulated probe installed in a duct or chimney. A signal is generated when particles pass near the probe or come into contact with it. This signal is then processed by a series of advanced algorithms to filter out noise and provide accurate measurements of dust levels.
Conventional triboelectric technology is based on the DC component of the electrical signal, generated when particles come into contact with the probe and transfer a charge.
Inductive electrification technology also uses the alternating current (AC) component of the triboelectric signal, reducing the influence of sensor contamination, temperature variations and speed changes. With inductive electrification technology, a detection limit of 0.01 mg/m³ can be achieved.
The “Auto Setup” automatic adjustment function is a unique feature of the Fuji Electric dust monitor. It enables simple and intuitive configuration. During the automatic configuration procedure, performed under normal process conditions, theanalyser automatically adapts to the process conditions and sets the measurement range and alarms accordingly. Under normal conditions, the instrument displays a green indicator light, and the mA output is set to 5% of full scale.
If the measurement point is upstream of the filtration system, the automatic adjustment baseline may be several g/m³. If it's downstream of the filtration system, the auto-tuning baseline may be only a few mg/m³. In both cases, no manual configuration of the range is required.
The ZiDM-4 EMIDUST and ZiDM-3 MONIDUST monitors are equipped with a local user interface for configuration and adjustment.
The operator can view real-time measurement values on the 4-digit display, in mA, %, or mg/m³.
The 4-button interface allows the operator to navigate through the menus and modify the most important settings.
An additional button to start the automatic configuration procedure is located next to the display.
Since 1993, our dust measurement technology has been recognized worldwide, with over 17,000 installations in more than 50 countries.
The measurement principle has become a proven standard for the accurate detection and quantification of dust levels.
Numerous laboratory test campaigns have also demonstrated excellent linearity on different types of dust.
The graph below illustrates the mA output in the ISO 12103 standard test (Arizona Road Dust Test).
Temperature tests showed virtually no impact over the entire temperature range.
The ZiDM series is available with a wide range of probes and process connections.
The new mechanical solutions reflect our field of expertise over the last twenty years.
The ZiDM series has been designed and developed to adapt to industrial processes and customer requirements.
The ZiDM series is supplied with a 500 mm probe made of 316L stainless steel and Ryton insulation. This probe withstands temperatures up to 300°C and pressure up to 600 kPa. The quick-release clamp enables the instrument to be removed quickly and easily. This is particularly useful in harsh process conditions, where probes need to be cleaned regularly.
Probe lengths and coatings (optional):
A wide range of different probe options are available for customized solutions. Wet and sticky dust can lead to a build-up of conductive dust on the probe, impairing measurement accuracy and reliability.
Since inductive electrification is based on the transfer of electrostatic charge between the probe and the amplifier, the accumulation of conductive dust can lead to a bridge effect between the probe and the grounded sheath.
To avoid this, we have developed different coatings for different process conditions:
Used in process conditions with a high probability of dust accumulation on the probe.
Air purging ensures that the probe base remains free of dust build-up.
The high-temperature probe can be used in process conditions up to 700°C.
The air purge option is not available for this sensor.
Flanges for process connection can be selected according to the customer's datasheet .
The ZiDM series monitors can be networked using a Fuji Electric RF platform.
This reduces wiring costs and simplifies installation, with a fully integrated, easy-to-use RF connection.
Each analyser can cover an area of 1 km and act as a network repeater. With its directional antennas, the coverage area can be significantly expanded.
Wireless network features :
The ZiDM series monitors can be managed and configured using the DustTool software. This provides a convenient platform for viewing measurement results, initiating automatic calibration, and adjusting theanalyser settings.
Plug a USB cable directly into the USB connector, or use a generic USB-to-RS485 converter, then simply connect it to the device’s RS485 bus.
DustTool automatically detects the interface used and connects to the device.
ZiDM-5 QALDUST is approved for plants subject to the following regulations:
Compliance of the ZiDM-5 QALDUST with EN 15267-3:2007. Certification levels:
Flow rates from 3 to 40 m/s. Can be networked via an RS485 interface (Modbus RTU) compliant with VDI 4201.
Installation, commissioning, and calibration of the ZiDM-5 QALDUST using gravimetric measurement. Single-sided installation, requiring no alignment or mechanical adjustments. IP66 protection required against the elements (-20 to 50 °C). The automatic calibration function provides instantly usable measurements. The power supply can be 100 to 230 VAC or 24 VDC. Local and remote configuration options via RS485.
Periodic inspection of the ZiDM-5 QALDUST during operation.
Zero and span checks are automatic and require no manual action. The only task required is cleaning the probe. No other adjustments are necessary.
Annual Surveillance Test (AST): Annual verification of the variability and validity of the calibration function.
The ZiDM-5 QALDUST dust monitor, QAL1-certified, has established itself as an essential tool for the precise monitoring of total suspended particles (TSP). Equipped with state-of-the-art technology, this dust monitor delivers exceptional performance under a variety of operating conditions.
This analyser is based on the principle of inductive electrification, ensuring high accuracy in the measurement of suspended particles.
Extended measuring range and different certification ranges ensure flexible adaptation to different operating environments.
The high protection rating (IP66) ensures the reliability of theanalyser in harsh environmental conditions, while the power supply options provide installation flexibility.
A wide range of output signals and communication interfaces facilitates integration with other systems and enables remote monitoring.
Sturdy aluminum construction and the use of high-quality materials guarantee enhanced durability in demanding environments.
Wireless communication offers greater flexibility with extended range, facilitating remote monitoring.
This means a product loss of 84,000 kg per year, probably released into the environment. Savings of over €20,000 in 3 years, and a payback period of less than 3 months.
The ZiDM-3 MONIDUST and ZiDM-4 EMIDUST dust analysers are advanced instruments designed for the precise monitoring of total suspended particles (TSP). Equipped with state-of-the-art inductive electrification technology, these devices offer exceptional reliability under a variety of operating conditions.
The inductive electrification principle guarantees accurate and reliable measurement of suspended particles, providing a robust solution for air quality monitoring.
With a wide measurement range and IP66 protection, these analysers are ready to handle a variety of environments, even under harsh conditions.
With their flexible power supply options, these analysers can be efficiently integrated into a variety of systems, offering versatile installation options.
A variety of output signals and communication options enable easy integration with existing monitoring systems.
Robust aluminum construction and the use of high-quality materials ensure exceptional durability in demanding environments.
These features enable use in a wide range of environmental conditions, while ensuring optimum performance.
Wireless communication offers extended range, facilitating remote monitoring in a variety of urban environments.
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