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 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 |
| Measuring Units | ppm for CO, NO, NO2, SO2 |
| 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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