Sensitivity range: 0.05 - 0.2 µm

The Ultra DI® 50 Liquid Particle Counter is designed specifically for de-ionized (DI) water systems and will count and size contaminants as small as 0.05 μm. Larger sample volumes and ultra-low zero counts detect smaller excursions with more relevant statistical data, while shorter sample intervals speed up your analysis time. Respond immediately to contamination with real-time measurement of particles, and Save time with fast clean-up and the ability to move quickly from one sample point to another. Its low zero count, large sample volume and high counting efficiency provide unsurpassed performance.

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  • Reliable
  • Low zero count
  • Large sample volume
  • Faster time to statisitically significant data
  • Compatible with FacilityNet Software
  • Utilizes existing network with ethernet communication
  • Connects directly to PLC and SCADA systems with 4-20mA
  • Compatible with ozonated water
  • Stainless steel housing and dual HEPA filtration allow use in dirty environments


  • FacilityNet Software provides more sophisticated process control
  • Set tighter process control limits with low sample-to-sample variation
  • Detect process variations more quickly with improved sensitivity


  • Quantifying particle concentration in state-of-the-art ultra pure water (UPW) systems
  • Filter efficiency measurements
  • Trending analysis at lower particle concentrations
  • Detecting bacterial growth in UPW systems
  • Episodic event tracking and alarming
  • Continuous system monitoring
  • Manufacturing process control

Supporting Materials

Related Products

Ultra DI® 20 Liquid Particle Counter

Designed for UPW  systems, its low zero count, large sample volume and high counting efficiency provides unsurpassed particle detection.

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