Worldwide Support
Over 25 distributors and support centres worldwide

Flexible maintenance contracts
Tailor made plant specific contracts with 24Hr Support

30 years experience
Developing, manufacturing and installing

CODEL_tunnel_emission_monitoring_s1

TunnelTech 400

Electrochemical CO, NO, NO2, SO2 & O2 Air Quality Monitor

The TunnelTech 400 analyser electrochemical cell technology determines CO, NO NO2, SO2 or O2 concentrations. With no moving parts, reliability levels are extremely high and maintenance requirements are very low.

Overview

A road & rail tunnel monitor using well-proven technology to provide accurate and rapid results.


The TunnelTech 400 advanced electrochemical cell technology offers a cost-effective and flexible choice for a single cell analyser
delivering superb accuracy and reliability at a very competitive price.

 

The TunnelTech 400 analyser electrochemical cell technology determines CO, NO NO2, SO2 or O2 concentrations. With no moving parts, reliability levels are extremely high and maintenance requirements are very low.

Features & Benefits

Related Products

TunnelTech 801 - Air Flow Monitor
TunnelTech 201 - Luminance Monitor

Brochure Download





    Looking for a manual?

    Please contact us below and we will be happy to help you.

    Ask a question

    For further information on any of our products, please complete our enquiry form and a member of staff will respond as soon as possible.

    You can also call: +44(0)1629 814351





      TunnelTech 400 Specification

      Gas SpeciesSingle CO, NO, NO2, SO2 & O2
      Measuring Unitsppm for CO, NO, NO2, SO2 & % for O2
      Averaging Time0.5 to 30 Minutes
      Measurement TechniqueElectrochemical Cell
      Calibration Flowrate1L/m
      ConstructionSS316L (Standard) Silver / Brushed Metal
      ABS Plastic (Optional) Black Mat
      OutputRS485
      Analogue Outputs2 wires mA outputs (Passive) 4-20mA 500Ω load max, not isolated, fully configurable
      4 wires mA outputs (Active/Passive) 4-20mA 500Ω load max, not isolated, fully configurable
      DisplayMonochrome LCD Display & Keypad Membrane
      Power Supply24V

      For a full product specification please download the product brochure below.