ASHUR Tunnel NOx Monitoring Instrument (Tunnel NOx)

Category : Tunnel Monitoring Instrument

Release Date : 2024-03-27 03:14:04

Hotline : 18211985279 Leave a message online

Details

1. Product Appearance

Tunnel NOx detector (Tunnel NOx)

2. Product Function

● The content of NO and NO₂ in the tunnel can be continuously measured online;

● The digital output interface of the instrument is RS-232 or RS-485, and the analog output interface is 4-20 mA;

● Instrument built-in ModBus protocol, facilitate the tunnel network monitoring application;

● The instrument features a numerical display, fault alarm, and data storage to aid in debugging and maintenance;

3. Product Characteristics

● Integrated structure design, compact, small sensor size, light weight, easy to install;

● Specifically designed for the harsh tunnel environment;

● Low-power consumption design, stable and reliable work;

● The instrument has lightning protection measures, its communication interface and power interface have lightning protection design, can minimize lightning damage;

4. Schematic Diagram Of Installation

Tunnel wall installation, the height of 3~4 meters.

Installation diagram of tunnel nitrogen oxide detector

5. The Key Technical Indexes

Measuring range	NO：0-20 ppm； NO₂：0-20 ppm；
Resolution rate	0.1 ppm
Accuracy	± 0.1 ppm or≤± 3% (25℃)
Communication interface	1-channel RS 485 digital output interface, RS 232 optional; 1-channel 4-20 mA analog output interface, can be extended to 3-channel; 1-channel switch quantity alarm output interface, can be extended to 5-channel;
Power supply voltage	220V±15%VAC 50Hz
Dimensions	280mm× 200mm×180mm (length× width× height)
Operating temperature	-50℃～+70℃
Operating humidity	0～100%RH
Weight	2.9 kg

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