TunnelTech 400
Electrochemical CO, NO, NO2, SO2 & O2 Air Quality Monitor
The TunnelTech 400 Gas 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
- Single species gas analyser.
- Compact and durable stainless steel sensor.
- Advanced electrochemical cell technology.
- Fully configurable 4-20mA - Passive Output.
- Easy installation with minimal wiring required.
- Minimal maintenance requirements.
- Easy to calibrate.
Product Specification
| Gas Species | Single CO, NO, NO2, SO2 & O2 |
| Measuring Units | ppm for CO, NO, NO2, SO2 & % for O2 |
| Averaging Time | 0.5 to 30 Minutes |
| Measurement Technique | Electrochemical Cell |
| Calibration Flowrate | 1L/m |
| Construction | SS316L (Standard) Silver / Brushed Metal ABS Plastic (Optional) Black Mat |
| Output | RS485 |
| Analogue Outputs | 2 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 |
| Display | Monochrome LCD Display & Keypad Membrane |
| Power Supply | 24V |
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