SICK VICOTEC320 is a state-of-the-art air quality tunnel sensor designed to provide precise and reliable monitoring of air quality and visibility in road tunnels. With its advanced Differential Optical Absorption Spectroscopy (DOAS) technology, the VICOTEC320 accurately measures the concentration of nitrogen dioxide (NO2), nitrogen monoxide (NO), carbon monoxide (CO), and visibility (K-value) in the tunnel atmosphere.
SICK VICOTEC320 is a state-of-the-art air quality tunnel sensor designed to provide precise and reliable monitoring of air quality and visibility in road tunnels. With its advanced Differential Optical Absorption Spectroscopy (DOAS) technology, the VICOTEC320 accurately measures the concentration of nitrogen dioxide (NO2), nitrogen monoxide (NO), carbon monoxide (CO), and visibility (K-value) in the tunnel atmosphere.
PRODUCT INFORMATION
VICOTEC320
AIR QUALITY TUNNEL SENSORS
TO CONTROL VENTILATION IN ROAD TUNNELS
Tunnel sensors
VICOTEC320 | SICK 8011718/2017-05
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RELIABLE AIR QUALITY MEASUREMENT
IN ROAD TUNNELS
Continuously monitoring air quality and visibility in tunnels is a
vital factor in ensuring road safety: It is becoming increasingly
important to accurately monitor nitrogen dioxide (NO
2
), as even
extremely low concentrations (<< 1 ppm) can be harmful. Par-
ticles of dust and soot, for example, as well as abrasion from
tires and brakes, restrict visibility in tunnels. Plus, the concen-
tration of nitrogen monoxide (NO), produced by diesel-fueled
vehicles which are growing in number, needs to be monitored
reliably.
SICK's VICOTEC320 air quality tunnel sensors have long been
renowned for accurately monitoring the limit values of NO
2
and
NO, and they also use direct, in-situ measurement technology
to continuously measure visibility (VIS) in the tunnel atmo-
sphere. These measured values are used to control ventilation
in tunnels precisely and reliably. Maintenance-free operation
of the VICOTEC320 is possible for more than a year, without
compromising on the high level of accuracy and without drifts
or cross sensitivities.
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RELIABLE AIR QUALITY MEASUREMENT
IN ROAD TUNNELS
DOAS spectroscopy for reliable
measurement of NO
2
and NO
Gases absorb light with different wavelengths to varying ex-
tents. Plotting the intensity of the light beamed through the gas
as a function of the wavelength gives a characteristic spectrum
for each gas component, which more or less represents the
ngerprint of the gas.
In the VICOTEC320, there is an optical grid that spectrally
disperses the beam of light reected by the reector. A highly
sensitive, stabilized line scan camera is used to determine the
intensity of each wavelength and record the spectrum. This is
then analyzed using the DOAS (Differential Optical Absorption
Spectroscopy) principle, which makes it possible to determine
the concentration of individual gases.
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VICOTEC320 TUNNEL SENSORS
Product description
The VICOTEC320 measures very small
concentrations of NO
2
and NO as well
as the visibility and temperature in road
tunnels simultaneously and fast using
proven components without test gases
for zero and reference point. An auto-
matic, cyclic adjustment ensures correct
values. The robust enclosure withstands
thorough tunnel cleanings without prob-
lems. Product requires minimal upkeep:
maintenance and cleaning once a year.
The VICOTEC320 can be optionally
equipped with an electrochemical cell
for CO measurement. This is useful to
perform the plausibility checks which
some tunnel standards (e.g. German
RABT2006) recommend – even when
NO
2
is measured as lead gas compo-
nent.
At a glance
• Very low detection limits for NO and
NO
2
• Automatic function monitoring and
self-adjustment
• Very sturdy design in stainless steel
• Automatic beam alignment between
sender/receiver unit and reector
Your benets
• Energy and cost savings for ventila-
tion control due to very low zero offset
and accurate measurement
• Low operational costs because no air
aspiration system, no test gases and
no ambient air required
• Low maintenance requirements due
to long maintenance interval
(approx. 1 year)
VICOTEC320
TUNNEL SENSORS
VICOTEC320
Subject to change without notice
.
FOR THE CONTROL OF VENTILATION AND FOR
FILTER MONITORING IN ROAD TUNNELS
Additional information
Fields of application. . . . . . . . . . . . . . .5
Detailed technical data . . . . . . . . . . . .5
Ordering information . . . . . . . . . . . . . .7
Dimensional drawings . . . . . . . . . . . . .7
- www.mysick.com/en/VICOTEC320
For more information, just enter the link and get direct access to technical data, CAD design models, operating
instructions, software, application examples and much more.
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TUNNEL SENSORS VICOTEC320
Fields of application
• Monitoring of air quality in road tunnels • Ventilaton control and lter monitoring in tunnels
Detailed technical data
The exact device specications and performance data of the product may deviate from the information provided here, and depend on the applica-
tion in which the product is being used and the relevant customer specications.
VICOTEC320 system
Measured values
Visibility (K-value), NO, NO
2
, NO
x
, CO, temperature
Maximum number of measurands
6
Measurement principles
Differential optical absorption spectroscopy (DOAS), transmittance measurement, electroche-
mical cell, Resistance thermometer
Length of measuring path
10 m
Measuring ranges
K-value 0 ... 15 km
–¹
/ 0 ... 200 km
–¹
NO 0 ... 20 ppm / 0 ... 45 ppm
NO
2
0 ... 1 ppm / 0 ... 5 ppm
CO 0 ... 100 ppm / 0 ... 300 ppm
Temperature –20 ... +55 °C / –25 ... +75 °C
Response time (t
90
)
Visibility (K-value): 5 s ... 360 s
Adjustable (45 s pre-congured)
NO, NO
2
: 5 s ... 360 s
Adjustable (45 s pre-congured)
CO: ≤ 60 s
Linearity
NO: ± 0.48 ppm
NO
2
: ± 0.035 ppm
Detection limit
Visibility (K-value) 0.03 km
–¹
NO 0.002 ppm
NO
2
0.007 ppm
Repeatability
Visibility (K-value) 0.017 km
–¹
NO 0.031 ppm
NO
2
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
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VICOTEC320 TUNNEL SENSORS
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
Ethernet
l
Function Connection to SOPAS ET software or OPC server
Modbus
l
Type of eldbus integration TCP
CAN bus
l
Function For connection of a SCU control unit
Operation
Via software SOPAS ET
Dimensions (W x H x D)
Sender/receiver unit
Reector unit
Connection unit
718 mm x 470 mm x 310 mm
617 mm x 278 mm x 245 mm
450 mm x 254 mm x 148 mm
Weight
Sender/receiver unit: ± 20 kg
Reector 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
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TUNNEL SENSORS VICOTEC320
Ordering information
Our regional sales organization will help you to select the optimum device conguration.
Dimensional drawings (Dimensions in mm (inch))
VICOTEC320 sender/receiver unit
310 (12.20)
115
(4.53)
142 (5.59)
471 (18.54)
307 (12.09)
54
(2.13)
54.4 (2.14)
99.4
(3.91)
144.4 (5.69)
718 (28.27)
Ø 120
(4.72)
307 (12.09)
100
(3.94)
77.4
(3.05)
301
(11.85)
417
(16.42)
140 (5.51)40
(1.57)
77.4 (3.05)
M12
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VICOTEC320 TUNNEL SENSORS
VICOTEC320 reector unit
245 (9.65)
142 (5.59)
279.5 (11.00)
115 (4.53)
37
(1.46)
114
(4.49)
617 (24.29)
417 (16.42) 200 (7.87)
Ø 120
(4.72)
115 (4.53)
100
(3.94)
70
(2.76)
140
(5.51)
39
(1.54)
M1270
(2.76)
VICOTEC320 connection unit
420 (16.54)
230 (9.06)
170 (6.69)
148 (5.83)
390 (15.35)
450 (17.72)Ø 9
(0.35)
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TUNNEL SENSORS VICOTEC320
VICOTEC320 | SICK 8011718/2017-05
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1010
VICOTEC320 TUNNEL SENSORS
VICOTEC320 | SICK8011718/2017-05
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Our comprehensive and versatile LifeTime Services are the perfect addition to the comprehensive range of products from SICK.
The services range from product-independent consulting to traditional product services.
Training and education
Practical, focused and professional
Upgrade and retrots
Easy, safe and economical
Consulting and design
Safe and professional
Verication and optimization
Safe and regularly inspected
Product and system support
Reliable, fast and on-site
SERVICES
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Receive e-mail notifications of status changes.
Easily repeat previous orders.
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SICK AG | Waldkirch | Germany | www.sick.com
SICK AT A GLANCE
SICK is a leading manufacturer of intelligent sensors and sensor solutions for industrial applications. With
more than 8,000 employees and over 50 subsidiaries and equity investments as well as numerous agenci-
es worldwide, we are always close to our customers. A unique range of products and services creates the
perfect basis for controlling processes securely and efciently, protecting individuals from accidents and
preventing damage to the environment.
We have extensive experience in various industries and understand their processes and requirements. With
intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia
and North America, system solutions are tested and optimized in accordance with customer specications.
All this makes us a reliable supplier and development partner.
Comprehensive services round out our offering: SICK LifeTime Services provide support throughout the
machine life cycle and ensure safety and productivity.
For us, that is “Sensor Intelligence.”
Worldwide presence:
Australia, Austria, Belgium, Brazil, Canada, Chile, China, Czech Republic, Denmark, Finland, France,
Germany, Great Britain, Hungary, Hong Kong, India, Israel, Italy, Japan, Malaysia, Mexico, Netherlands,
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Detailed addresses and further locations
- www.sick.com
8011718/2017-05 ∙ 3M/PMS ∙ Pre USmod en47
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SICK VICOTEC320 is a state-of-the-art air quality tunnel sensor designed to provide precise and reliable monitoring of air quality and visibility in road tunnels. With its advanced Differential Optical Absorption Spectroscopy (DOAS) technology, the VICOTEC320 accurately measures the concentration of nitrogen dioxide (NO2), nitrogen monoxide (NO), carbon monoxide (CO), and visibility (K-value) in the tunnel atmosphere.
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