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TunnelTech 900

Electrochemical CO, NO, NO2, SO2 Monitor with Visibility using Scattered Light

The TunnelTech 900 is an all-in-one Visibility and air quality monitor based on Scattered Light measurement technology for visibility and electrochemical cell technology for gas measurements.

TunnelTech 900 Gas & Visibility Monitor

Overview

A low cost precision road & rail tunnel monitor using proven technology to provide accurate and rapid results.

The TunnelTech 900 is an all-in-one Visibility and air quality monitor based on Scattered Light measurement technology for visibility and electrochemical cell technology for gas measurements.

It offers reliable visibility measurement and optional electrochemical cells to deliver superb and reliable gas measurement at a very competitive price.

Features & Benefits

Product Specification

Gas SpeciesVisibility (standard), CO, NO, NO2 & SO2 (optional)
Measuring Unitsm-1 (K factor) / E/m for visibility, ppm for CO, NO, NO2, SO2.
CalibrationFactory calibrated, manual span check.
Measurement TechniqueElectrochemical Cell, Scattered Light for Visibility
Measurement range (typical) CO : 0 – 300ppm , NO : 0 – 30ppm , NO2 : 0 – 5ppm, SO2: 0 to 20 ppm, Vis: 0 – 0.015 m-1
ConstructionCorrosion resistant epoxy coated SS316L Designed to IP69K
Serial DataBi-directional RS485 Modbus RTU Protocol
DisplayMonochrome LCD Display & Keypad Membrane
Power Supply24V DC

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