The ENOM tunnel monitor measures the concentration of Nitric Oxide (NO) within an ambient environment such as road and rail tunnels or other industrial applications. These measurements can be used as part of an air quality management system for ventilation control.
The ENOM is a fixed sensor, which uses an electrochemical cell for NO detection. The ENOM consists of a Sender Unit and a ‘plug-in’ Sensor Module, which are mounted together on the wall or ceiling of the tunnel. The Sensor Module is pre-calibrated and stores all necessary data relating to type identification, sensing range and specific calibration. This data is automatically recognised by the Sender Unit when the module is fitted.
|5||Temperature Stability||%||-3||+3||Over full temperature range|
|6||Span Drift||% /
|7||Calibration Interval||Months||6||12||Recalibrate or replace sensor module|
|8||Voltage||Vdc||+24||90-260 Vac with optional PSU|
|10||Nominal Current Consumption||mA||40|
|11||Power Up Current Consumption||mA||50|
|12||Analogue Output||mA||4||20||(ESU-420 only)|
|13||Serial Output||Modbus RTU via RS485 (ESU-485 only)|
|14||Ingress Protection||IP65||Gas port IP54|
|16||Operating Humidity||%||15||90||Non condensing|
|18||Regulatory Compliance||2014/30/EU (Electromagnetic Radiation)
2014/35/EU (Low Voltage)
|20||Dimensions||mm||140 x 98 x 57|
|22||Warranty||Months||24||Return to base warranty. Extensions available|
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