Overview
The Particle Counter Box with Display is a versatile device designed for measuring particles in air and fluids. It is capable of monitoring up to 6 size classes on its display or 16 size classes using the 'Protrend' software.

Specifications
The device operates as a 3-channel particle counter and can measure three particle sizes using a current signal of 4–20 mA, with an optional voltage of 0–10 V. It features a closed contact for threshold queries and can display up to six adjustable size classes.

Evaluation Software 'Protrend'
The 'Protrend' software, accessible via USB, allows for device parameterization and operation. It supports single and periodic measurements, displaying results online and storing data for later retrieval. An Excel template is available for data export.

Application Areas
The device is suitable for contamination control in fluids, online measurements of air and fluids, and is compact for mobile use. Typical applications include particle size analysis, oil and kerosene testing, cleanroom monitoring, and control of drinking water.

Key Features

• 3 current sources (4–20 mA) with a resolution of 15.6 µA
• USB port for up to 16 measurement channels
• Maximum count rate of 250,000 particles/sec
• Freely selectable measurement, flushing, and pause durations (up to 1 hour each)
• Monitoring sensor and flow (pump)
• Remote control via SPS
• Data memory for up to 600 measurements
• Ambient temperature range: 5–40°C
• Measured medium temperature range: 0–70°C
• Input voltage: 12 VDC +/-2% / 1 A
• Dimensions: 90 x 125 x 145 mm, weight: 0.75 kg

Model Specifications
For Air:

• LDS 328: Flow rate 28.3 l/min, measuring range 0.3–10 µm, max concentration 1,000,000 particles/cbf, laser diode light source
• LDS 328s: Flow rate 2.8 l/min, measuring range 0.3–10 µm, max concentration 2,000,000 particles/cbf, laser diode light source

For Fluids:

• LDS 45/50: Flow rate 50 ml/min, measuring range 1–160 µm, cell dimensions 450 x 500 µm, max concentration 25,000/ml
• LDS 328s: Flow rate 30 ml/min, measuring range 0.9–139 µm, cell dimensions 300 x 300 µm, max concentration 120,000/ml
• LDS 1/1: Flow rate 200 ml/min, measuring range 5–500 µm, cell dimensions 1,000 x 1,000 µm, max concentration 4,000/ml

Contact Information
Markus Klotz GmbH, Theodor-Heuss-Straße 27, 75378 Bad Liebenzell, Germany. Phone: +49(0)7052 / 9 23 36, Fax: +49(0)7052 / 9 23 38, Email: [email protected], Website: www.fa-klotz.de