- 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)
