Svantek UK

Nephelometer Aerosol Monitor

Real-time dust monitor for measuring total suspended particulate (TSP), PM 2.5, and PM 10 measurements. The Sensidyne Nephelometer is an advanced real-time dust monitor (aerosol monitor) accurately measuring dust concentrations using proven light scatter technology. This portable instrument accurately measures and records dust from 1-10,000 μg/m3 with a resolution to 1 μg/m3. Sample modes are selectable between 60 second sample, 15 minute STEL, or continuous sampling.



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The Nephelometer has an internal pump drawing samples into the iso-kinetic sampling inlet where they meet sheath air that guides samples past the particle sensor. The sensor is a photodetector that measures laser light scattered by particulates in the sample stream. The instrument multiplies each measurement by a K-factor and displays the real-time reading on the display of the instrument. After each sample, the K-factor and Environmental Factor Name and STEL, maximum, minimum, and average readings record to the internal data log. When connected to a computer the instrument uploads up to 4,000 data-log records in spreadsheet format.

In addition to high sensitivity and ease-of-use, the Sensidyne Nephelometer offers a low cost of ownership, automatic power save, long-life, data-logging, facility monitoring features, and user-replaceable filters. The Sensidyne Nephelometer is a competitive, well-priced alternative to high priced aerosol monitors.

Competitive Advantages

  • Sheath Air
  • Instant Readings
  • Highly Sensitive
  • Data Logging
  • Extremely Portable
  • Low Cost-of-Ownership
  • Long-life Internal Pump
  • Site Monitoring PC Program
  • Selectable Sample Modes
  • Automatic Power Save

Accurate Dust Concentration

The proprietary algorithm provides accurate dust concentration. The sheath air feature prevents internal contamination and improves accuracy.


Temperature compensated, durable housing and minimal moving parts ensure reliability.

Highly Portable

All-in-one handheld instrument with long-life batteries that fully charge in less than 3 hours, an internal long-life pump, and one-hand operation.

Facility Monitoring

Easy to use software allows programming unique environmental profiles and recording sample data.

Common Applications

• Industrial/Occupational Hygiene Area Surveys
• Particulate Matter Studies
• Immediate spot measurement
• Aerosol Research Studies


This #CleanAirDay we encourage you to find out more about the further steps you can take in the workplace to protect yourself, employees and the wider environment!