Description |
Visibility measuring device
incl. connecting cable, with male connector, length 5 m, with RS-485 interface and binary input |
Measured values |
Standard visual range, K-value |
Maximum number of measurands |
1 |
Measurement principles |
Scattered light forward |
Spectral range |
|
|
640 nm ... 660 nm
Laser, protection class 2, power < 1 mW |
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Measuring ranges |
|
Standard visual range |
10 ... 500 m / 10 ... 16,000 m |
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Output range freely adjustable |
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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 |
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Ambient temperature |
|
|
–30 °C ... +55 °C |
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Storage temperature |
|
|
–40 °C ... +75 °C |
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Ambient humidity |
|
|
0 % ... 100 % |
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Electrical safety |
CE |
|
Digital inputs |
1 potential-free contact:
4 V, 4.5 mA |
Serial |
✔ |
Type of fieldbus integration |
RS-232 |
|
RS-485 |
Function |
Proprietary service interface, connection to SOPAS ET software |
|
Proprietary service interface |
|
Dimensions (W x H x D) |
|
|
479 mm x 117 mm x 261 mm (for details see dimensional drawings) |
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|
Material |
Stainless steel 1.4571, powder-coated |
Energy supply |
|
Voltage |
24 V DC, ± 10 % |
Power consumption |
≤ 10 W |
|
Test functions |
Automatic self-test (contamination, drift, LED, disturbing objects) |