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Visual range measuring devices VISIC620

  • Measurement of visual range for roads, tunnels, sea routes and in weather stations
  • Measured values: Standard visual range, K-value
  • Measurement principles: Scattered light forward
  • Spectral range: 640 nm … 660 nm; Laser, protection class 2, power < 1 mW
  • Measuring ranges: 10 … 500 m / 10 … 16,000 m (Standard visual range)
  • Reliable measured values
Category:
  • Measured values: Standard visual range, K-value
  • Measurement principles: Scattered light forward
  • Spectral range: 640 nm … 660 nm; Laser, protection class 2, power < 1 mW
  • Measuring ranges: 10 … 500 m / 10 … 16,000 m (Standard visual range)
  • Output range freely adjustable
  • Response time (t90): 2 s … 300 s
  • Accuracy: ± 5 m (For visual range below 50 m)/ ± 10 % (Of measured value for visual range below 5,000 m)/ ± 20 % (Of measured value for visual range below 16,000 m)
  • Repeatability: ± 2 % (for a visual range of 200 m)
  • Ambient temperature: –30 °C … +55 °C
  • Storage temperature: –40 °C … +75 °C
  • Ambient humidity: 0 % … 100 %
  • Electrical safety: CE
  • Enclosure rating: IP69K
  • Analog outputs: 1 output, 0 … 20 mA (Only VISIC620-1xxxx)
  • Digital outputs: 2 relay contacts, + 48 V AC, 35 W / 48 V DC, 24 W (Only VISIC620-1xxxx)
  • Digital inputs: 1 potential-free contact, + 4 V, 4.5 mA (Not with the VISIC620-1xxxx)
  • Communication interface: Serial (Only VISIC620-2xxxx)

Type of fieldbus integration: RS-232/ RS-485

Function: Proprietary service interface, connection to SOPAS ET software/ Proprietary service interface

  • Number: 1
  • Dimensions (W x H x D): 479 mm x 117 mm x 261 mm (for details see dimensional drawings)
  • Weight: 5.6 kg
  • Material: Stainless steel 1.4571, powder-coated
  • Power supply

Voltage: 24

Power consumption: ≤ 10 W

  • Test functions: Automatic self-test (contamination, drift, LED, disturbing objects)ASTRA “Guideline – Fire Detection in Road Tunnels” (2007)

At a glance:

  • Measurement of visual range for roads, tunnels, sea routes and in weather stations
  • Reliable measured values
  • Low operating costs
  • Low maintenance requirements due to long maintenance intervals
  • Large measuring range for visual range

Technical data:

  • Measured values: Standard visual range, K-value
  • Measurement principles: Scattered light forward
  • Spectral range: 640 nm … 660 nm; Laser, protection class 2, power < 1 mW
  • Measuring ranges: 10 … 500 m / 10 … 16,000 m (Standard visual range)
  • Output range freely adjustable
  • Response time (t90): 2 s … 300 s
  • Accuracy: ± 5 m (For visual range below 50 m)/ ± 10 % (Of measured value for visual range below 5,000 m)/ ± 20 % (Of measured value for visual range below 16,000 m)
  • Repeatability: ± 2 % (for a visual range of 200 m)
  • Ambient temperature: –30 °C … +55 °C
  • Storage temperature: –40 °C … +75 °C
  • Ambient humidity: 0 % … 100 %
  • Electrical safety: CE
  • Enclosure rating: IP69K
  • Analog outputs: 1 output, 0 … 20 mA (Only VISIC620-1xxxx)
  • Digital outputs: 2 relay contacts, + 48 V AC, 35 W / 48 V DC, 24 W (Only VISIC620-1xxxx)
  • Digital inputs: 1 potential-free contact, + 4 V, 4.5 mA (Not with the VISIC620-1xxxx)
  • Communication interface: Serial (Only VISIC620-2xxxx)

Type of fieldbus integration: RS-232/ RS-485

Function: Proprietary service interface, connection to SOPAS ET software/ Proprietary service interface

  • Number: 1
  • Dimensions (W x H x D): 479 mm x 117 mm x 261 mm (for details see dimensional drawings)
  • Weight: 5.6 kg
  • Material: Stainless steel 1.4571, powder-coated
  • Power supply

Voltage: 24

Power consumption: ≤ 10 W

  • Test functions: Automatic self-test (contamination, drift, LED, disturbing objects)ASTRA “Guideline – Fire Detection in Road Tunnels” (2007)

Dimensions:

Connection diagram:

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