- Measured values: Visibility (K-value), NO, NO2, NOx, CO, temperature
- Measurement principles: Differential optical absorption spectroscopy (DOAS), transmittance measurement, electrochemical cell, Resistance thermometer
- Measuring distance: 10 m
- Measuring ranges
K-value: 0 … 15 km⁻¹ / 0 … 200 km⁻¹
NO: 0 … 20 ppm / 0 … 45 ppm
NO2: 0 … 1 ppm / 0 … 5 ppm
CO: 0 … 100 ppm / 0 … 300 ppm
- Temperature: –25 … +55 °C / –25 … +75 °C
- Response time (t90)
Visibility (K-value): 5 s … 360 s, Adjustable (45 s pre-configured)
NO, NO2: 5 s … 360 s, Adjustable (45 s pre-configured)
CO: ≤ 60 s
- Linearity
NO: ± 0.48 ppm
NO2: ± 0.035 ppm
- Detection limit
Visibility (K-value): 0.03 km⁻¹
NO: 0.002 ppm
NO2: 0.007 ppm
- Repeatability
Visibility (K-value): 0.017 km⁻¹
NO: 0.031 ppm
NO2: 0.007 ppm
- Ambient temperature: –20 °C … +55 °C; CO sensor: –10 °C … +40 °C
- Storage temperature: –25 °C … +75 °C; CO sensor: 0 °C … +20 °C
- Ambient pressure: 700 hPa … 1,200 hPa
- Ambient humidity: 10 % … 95 %; Relative humidity; non-condensing
- Conformities
ASTRA “Guideline – Ventilation of Road Tunnels” (2008)
RABT 2006
RVS 09.02.22
- Electrical safety: CE
- Enclosure rating: IP69K
- Analog outputs: 6 outputs, 0 … 20 mA (Depending on device version)
- Digital outputs: 4 relay contacts (Depending on device version)
- Digital inputs: 4 potential-free contacts
- I/O extensions: Optical fiber connection optional
- Communication interface
Ethernet
Modbus
CAN bus
Type of fieldbus integration: TCP
Function: Connection to SOPAS ET software or OPC server (For connection of a SCU control unit)
- Number: 1
- Operation: Via software SOPAS ET
- Dimensions (W x H x D)
Sender/receiver unit: 718 mm x 470 mm x 310 mm (for details see dimensional drawings)
Reflector unit: 617 mm x 278 mm x 245 mm (for details see dimensional drawings)
Connection unit: 450 mm x 254 mm x 148 mm (for details see dimensional drawings)
- Weight
Sender/receiver unit: ± 20 kg
Reflector unit: ± 9 kg
Connection unit: ± 8 kg
- Material: Stainless steel 1.4571, powder-coated
- Power supply
Voltage: 115 V / 230 V
Frequency: 50 Hz / 60 Hz
Power consumption: ≤ 200 W
- Test functions:
Automatic check cycle for zero and span point
Contamination check
Manual linearity check
- Options: CO sensor
ASTRA “Guideline – Fire Detection in Road Tunnels” (2007)
RABT 2006
Electrical safety CE
Test functions
Contamination monitoring of glass pane
Drift and plausibility check
Automatic self-test
Functional monitoring of the optional heating
- Options: Internal heating/ Connection unit/ TAD control unit/ Temperature sensor
