รหัสสินค้า : E2608-NO2

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E2608-NO2 Nitrogen dioxide detector-transmitter

Nitrogen dioxide detector-transmitter E2608-NO2 is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include underground parkings, boiler houses, kitchens, and other confined spaces, where potentially toxic concentration of nitrogen dioxide can accumulate.

The instrument utilises a fully calibrated and temperature compensated electrochemical gas sensor with excellent repeatability, stability and long lifetime.

Two relays with closing contact may be used for remote signalling or ventilation control. Two alarm set-points are user settable.

Two analog outputs and RS485 digital interface with industry standard Modbus RTU protocol can be used to connect the detector to safety or building automation systems.

Features

Stable long-life electrochemical sensor

Range 0...20 or 0...200 ppm NO2

Resolution 0,1 ppm or 1 ppm NO2

Two SPST relays

2 × 4-20 mA or 0-10 V, RS485

Technical Data

Calibration nitrogen dioxide NO2

Sensor type electrochemical

Sampling method diffusion

Detection range 0...20 ppm NO2

0...200 ppm NO2

Resolution 0,1 ppm NO2 for 20 ppm range

1 ppm NO2 for 200 ppm range

Sensor lifetime > 2 years

Power supply 12...36 VDC (default),

24 VAC or 230 VAC as options

Digital interface RS485, Modbus RTU protocol

Analog outputs 2 × 4-20 mA / 0-10 V, user settable

Output relays 2 × SPST relays (closing contact),

250 VAC / 30 VDC, 5 A max

Default alarm set-points 3 ppm / 6 ppm NO2

Enclosure grey ABS plastic, wall mount, IP65

Dimensions H85 × W82 × D55 mm

Operating conditions -20...+50 °C, 15...90 %RH

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