• Early and reliable fire detection in tunnels
• Perfect addition to temperature cables thanks to earlier and faster detection
• No need for protective measures during tunnel cleaning
• Immune to gantry fog
• Visibility (K value) measured according to the scattered light measurement principle
• IP 6K9K enclosure rating thanks to a rugged stainless-steel housing

Technical data:

• Measured values: Visibility (K-value)
• Measurement principles: Scattered light forward
• Measuring ranges:

Visibility (K-value): 0 … 150 km⁻¹

Temperature measurement (option): –30 … +70 °C

• Response time (t90): ≤ 5 s
• Resolution Visibility (K-value): 1 km⁻¹
• Repeatability: 1 %: of measuring range full scale
• Ambient temperature: –20 °C … +55 °C
• Storage temperature: –30 °C … +85 °C (Measuring device)
• Ambient pressure: 860 hPa … 1,080 hPa
• Ambient humidity: 10 % … 100 %; Relative humidity; non-condensing
• Conformities

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

Dimensions:

Connection diagram:

Bài viết Fire detection sensor in tunnels VISIC50SF đã xuất hiện đầu tiên vào ngày Công ty Thiết bị công nghiệp và Tự động hóa AUMI.

• For the control of ventilation and for filter monitoring in road tunnels
• Low maintenance requirements due to long maintenance interval (approx. 1 year)
• Very rugged design in stainless steel
• Automatic beam alignment between sender/receiver unit and reflector

Technical data:

• 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

Dimensions:

VICOTEC320 sender/receiver unit

Reflector unit

VICOTEC320 connection unit

Connection diagram:

Bài viết Ventilation and for filter monitoring in road tunnels VICOTEC320 đã xuất hiện đầu tiên vào ngày Công ty Thiết bị công nghiệp và Tự động hóa AUMI.

• The tunnel flow velocity measuring device for long-term operation
• Representative measurement across total tunnel width
• Very reliable measurement, compared with punctual measurement methods
• Accurate measurement even of very low flow velocities
• Long maintenance intervals of up to 5 years
• Extremely rugged components made of titanium, stainless steel, or die cast

Technical data:

• Measurement principle: Ultrasonic transit time difference measurement
• Conformities:

RABT 2006

ASTRA “Guideline – Ventilation of Road Tunnels” (2008)

RVS 09.02.22

• Enclosure rating

Sender/receiver units: IP66

MCU control unit: IP65

• USB: , Connection to SOPAS ET software
• Serial: , Type of fieldbus integration RS-232/ RS-485, Connection to SOPAS ET software, Internal system bus
• Modbus: , Type of fieldbus integration RTU RS-485
• Ethernet:
• PROFIBUS DP:
• HART:
• Diagnostics functions: Internal zero and reference point check

Dimensions:

Connection diagram:

Bài viết The tunnel gas flow measuring instruments FLOWSIC200 đã xuất hiện đầu tiên vào ngày Công ty Thiết bị công nghiệp và Tự động hóa AUMI.