Tsl viconox tunnel sensor
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The Viconox combined NO2, NO, CO, and visibility monitor is designed for use in tunnels and confined spaces, measuring multiple parameters including temperature for air quality management. It employs differential optical absorption and infrared spectroscopy for accurate readings and features a robust design, IP65 rating, and optional configurations for enhanced usability. It supports up to five simultaneous measurements and is available in various models to meet specific customer needs.
Tsl viconox tunnel sensor
- 1. VICONOX VICONOX Combined NO2, NO, CO and Visibility Monitor for Tunnels
- 2. VICONOX Combined NO2, NO, CO and Visibility Monitor for Tunnels VICONOX Combined NO2, NO, CO and Visibility Monitor for Tunnels TX RX TSCU Operator Interface TSCU Operator Interface Control Centre Analogue outputs Relay contacts Serial comms ntrol CentreCon mms TSCU O t I t f TX RX SYSTEM COMPONENTS • VICONOX sensor consisting of Transmitter (TX) and Receiver (RX) • LSZH cable with connectors for connecting the RX and TX • Power-Comms cable for the RX, made to suitable length (required accessory) • Integrated wall mounting brackets • PC based utility software package for set-up and control of the instrument • Optional TSCU operator interface with remote or local mounting configurations • Optional variable input AC power supply • Optional reference filters / gas cells for routine calibration check of the instrument FEATURES • Direct in-situ measurement of NO2, NO, CO, Visibility and Temperature (or combinations thereof) • Direct optical measurement of nitrogen dioxide (NO2) using differential absorption • Visibility measurement using accepted light transmission opacity technique • Proven infrared spectroscopy technique for NO and CO measurement • Temperature and humidity compensated measurements to ensure stable readings across all conditions • Intelligent analyser with optional TSCU operator interface BENEFITS • Rugged design to withstand corrosive atmospheres and regular tunnel washing • High quality 316 stainless steel construction ensuring a long service life • Pre-aligned quick release TX and RX heads enabling easier installation and maintenance • IP65 rated external enclosure with quick release dust protection tubes • Plug and socket cable connection enabling simple installation APPLICATIONS The VICONOX tunnel monitor is a single sensor solution for measuring NO2, NO, CO, visibility and temperature within a traffic tunnel, rail tunnel or other confined space. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection. OPERATION The VICONOX uses a combination of differential optical absorption and infrared spectroscopy to measure nitrogen dioxide (NO2), nitric oxide (NO) and carbon monoxide (CO) in tunnel atmospheres whilst measuring visibility by using the standard light transmission obscuration technique. The VICONOX is able to measure up to five (5) parameters simultaneously (including temperature) or combinations thereof; with five different model options available to meet customer requirements.
- 3. TECHNICAL SPECIFICATION Parameter Comment Measuring Principle Differential optical absorption Measurement Reading Concentration in ppm or ppb (user selected) Measuring Range 0 – 10 ppm (user configurable) Path Length 5 – 12 m (10 m optimum) Accuracy +/- 0.05 ppm (at 10 m optimum path length) +/- 5% (relative) INTERFACE OPTIONS POWER REQUIREMENTS Voltage +24 Vdc Nominal Current Consumption 2 Amp Power Up Current Consumption 3 Amp Call: +44 (0)1280 850563 E-mail: sales@tunnelsensors.com Visit: www.tunnelsensors.com Serial Comms Isolated RS485 and ModBus RTU (via RS485) External USB Analogue Outputs 0 / 2 / 4 – 20 mA (isolated and scalable) Digital Relay Contacts 3 @ 30 Vdc (level alarms and data valid alarm) PHYSICAL Ambient Operating Temperature -20 – +55 °C Ambient Operating Humidity 0 – 100 % Ingress Protection IP65 for external use Materials 316 Stainless steel (powder coated) NO2 MEASUREMENT PERFORMANCE Measuring Principle Light transmission Measurement Reading Transmission Extinction Coefficient (k) Meteorological Optical Range (MOR) Measuring Range Transmission 0 – 1.000 Extinction Coefficient (k) 0 – 0.1 m-¹ Meteorological Optical Range (MOR) 0 – 15,000 m Accuracy +/- 1% as opacity VISIBILITY MEASUREMENT PERFORMANCE Measuring Principle Infrared absorption Measurement Reading Concentration in ppm Transmission 0 – 500 ppm (user configurable) Accuracy +/- 2 ppm CO/NO MEASUREMENT PERFORMANCE
- 4. Tunnel Sensors Limited Furlong House Crowfield Brackley Northamptonshire NN13 5TW United Kingdom Certificate No. GB2002756 Registration No. 0044/1 ISO 9001 Registered Firm International Accreditation Board Telephone: +44 (0)1280 850563 Facsimile: +44 (0)1280 850568 E-mail: sales@tunnelsensors.com Visit: www.tunnelsensors.com Africa • Americas • Asia • Europe • Middle East • Oceania For further information about our product range please call +44 (0)1280 850563 or e-mail sales@tunnelsensors.com and a member of our team will be happy to help. Tunnel Sensors A network of local distributors worldwide