VEREWA F-701-20 Ambient Air Dust Concentration Monitor

Brand: Durag

A measuring device for the continuous monitoring of the smallest concentration of particles in the ambient air (fine dust). 

The measuring principle of the F-701-20 ambient dust monitor is based on the absorption of the beta rays (electrons) emitted by a radioactive emitter through particles collected from an ambient air flow. 

In the F-701-20 the count rate of the unloaded filter tape is measured before each collecting cycle, then dust is collected on this precise filter spot over a pre-defined period, and finally the count rate of the loaded filter tape is measured. 

The difference between the two count rates is evaluated in the device and displayed as dust concentration in µg/m³.
Features
  • EN15267 certified PM2.5 or PM10 measurement
  • Cost efficient due to low filter tape consumption
  • Extended serial interface Bayern-Hessen protocol
  • Pre-calibrated measuring device allows accurate results without on-site calibration
  • Easy integration into existing air quality monitoring networks
  • Collected particles available for compositional analysis

Specifications

Brand

Ambient Temperature Range

  • -20° to 50° C (-4° to 122° F)

Applications

  • Ambient Air Measuring Systems for Monitoring Fine Dust
  • Dust Measurement in Supply Air & Exhaust Ducts & Collection at Inherited Waste Sites & Repositories
  • Indoor Dust Measurements
  • Long-term Background Studies of Ambient Dust Concentration
  • Measurement & Collection of Dust Particles for Compositional Analysis
  • Mobile Air Pollution Monitoring

Approvals & Certifications

  • CE
  • GOST-R
  • TÜV - 2008/50/EC, EN 15267 Regular Surveillance, ID 0000040337 (PM2.5) & ID 0000043528 (PM10)

Communication

  • RS-232

Length

  • Probe Tube: 1.64 to 9.84 feet (0.5 to 3 m)

Measuring Range

  • 0 to 10,000 µg/m³
  • Detection Limit: < 1 µg/m³

Output

  • 2 x 0-20 mA / 500 ohms
  • 2 x 4-20 mA / 500 ohms

Power Supply

  • 115 V, 50/60 Hz, 5.8 A
  • 230 V, 50/60 Hz, 2.9 A

Relay Output

  • 8 Relay Outputs, Permissible Load: 24 V, 12 VA
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