D52 DUST MONITOR
MITIGATING OPERATIONAL RISKS & SAFEGUARDING LIVES FROM MICRO DUST PARTICLES
The D52 is specifically designed for use in mining, manufacturing and construction, where the concentration and variability of airborne dust particles pose significant operational and health risks.
Using intelligent laser sensing technology, the D52 continuously measures and reports real-time data on particulate matter (PM1.0, PM2.5 & PM10.0)

D52 DUST MONITOR
REAL-TIME, IN-FIELD DUST MONITORING
WHY THE D52?
PRIORITIZE EMPLOYEE HEALTH
Keep employees safe from risks of fine particulate matter exposure that can cause chronic respiratory illnesses.
COMPLY WITH REGULATORY STANDARDS
The D52 complies with air quality and environmental monitoring occupational safety laws such as OHSA and MHSA.
AUTOMATIC VENTILATION ACTIVATION
Enable immediate response through automated ventilation or suppression system integration when PM thresholds are exceeded.
DATA-DRIVEN HEALTH MANAGEMENT
Empower management with accurate data and tools to manage health risks and ensure accountability.
D52 FULL OVERVIEW
SMART LASER SENSING
- Intelligent laser particle counting for PM1.0, PM2.5, PM10
- Real-time data on TWA (time-weighted average)
USER-FRIENDLY & LOW MAINTENANCE
- Self-cleaning, minimal maintenance (no pumps or filters)
- No user-serviceable parts – designed for long life and low service requirements
- Integrated 5” color TFT LCD display with visual indicators
- User-friendly SCADA interface with real-time monitoring
- Mobile and fixed installation options
ACCURATE & CONNECTED
- IoT-enabled with wireless and wired data transfer
- Compatible with automated dust suppression and ventilation systems
- Dust impactor and cyclone separation for enhanced accuracy
- Detection Range: 0.30 µm to 10 µm
- Measurement Outputs: PM1.0, PM2.5, PM10, and PM Total
- Detection Limits (PM10): 0.01 to 1000 µg/m³
- Software Bins: 4 programmable measurement bins
- Response Time: < 60 seconds
- Sensor Calibration: Factory calibrated to default, with option for OEM recalibration cycles
PARAMETER |
VALUE / RANGE |
Sensor Type |
Laser optical sensor |
Measurement Range |
0.3 – 10 µm |
Response Time |
< 60 seconds |
Power Supply Options |
9–20 VDC (Ex ia), 9–48 VDC, 85–265 VAC |
Operating Temperature |
-20 °C to 50 °C |
Ingress Protection |
IP65 |
Communications |
RS485 Modbus RTU, 802.15.4 Zigbee, IoT, Wi-Fi (802.11 b/g/n), GSM |
SCADA Interface |
M3SH-provided SCADA drivers & register map |
Display |
5” Color TFT LCD with visual indicators |
Mounting Options |
Roof bolt (hook) or wall-mount (Fischer plugs) |
Weight |
Approx. 5 kg |
STANDARD CERTIFICATIONS
- SANS (IEC) 60079-0:2012 – General Requirements for Equipment for Explosive Atmospheres
- ISO 13849-1:2015 – Safety of Machinery – Functional Safety
- IEC 61508 – Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems
- Certified for Group II (Surface Applications)
- Certification Number: MASC M/17-0059X
- Ingress Protection: IP65
ADDITIONAL CERTIFICATIONS
Available on request for specific hazardous area applications:
- SANS (IEC) 60079-11:2012 – Intrinsic Safety “i”
- Explosion Protection Marking: Ex ia I Ma (-20°C to +55°C)
- Certified for Group I: Underground Mines including coal
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