Visual range measuring devices VISIC620

cadmin — Fri, 26 Feb 2021 05:50:24 +0000

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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