รหัสสินค้า : E2639-NO2

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E2639-NO2 Nitrogen Dioxide Detector

Features

Stable long-life electrochemical sensor

Ranges 0...20 / 0...200 ppm NO2

Resolution 0.1 / 1 ppm NO2

Three SPDT relays

2 x 4-20 mA, RS485

Remote probe option

Description

E2639 is a member of the new-generation PluraSens® family of multifunctional measurement instruments.

Applications include HVAC/R, agriculture, food and beverage, healthcare and laboratories, process industries, where potentially toxic and combustible gases can accumulate.

The instrument integrates electrochemical, semiconductor, NDIR, and other sensing technologies.

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.

Three SPDT relays (2 for alarms, 1 for fault) are provided for remote signaling or concentration control, as well as for fault indication.

Four LEDs and a buzzer provide visual and audible alarms.

Three M20 cable glands, duplicated terminals, and side “ears” allow quick mounting and installation.

Optional WiFi allows calibration and configuration via smartphone, tablet, or PC (no extra apps required).

Possibility of pre-calibrated and easy replaceable Smart Sensors - hot-swappable via M12 connectors, fully interchangeable across gases and with built-in calibration calendar.

Technical Data

Calibration Nitrogen Dioxide NO2

Sensor type electrochemical

Sampling method Diffusion

Detection ranges 0...20 ppm

0...200 ppm

Resolution 0.1 ppm (for 0...20 ppm)

1 ppm (for 0...200 ppm)

Sensor lifetime > 2 years

Power supply 14...36 VDC (default),

24 VAC or 230 VAC as options

Digital interface RS485, Modbus RTU protocol

Outputs 2 × 4-20 mA analog outputs, user configurable

2 x 24 V outputs (for controlling alarm signals)

Relays 3 × SPDT relays (2 for alarms, 1 for fault)

Enclosure grey ABS plastic, wall mount, IP65

Dimensions H80 × W190 × D40 mm (housing only)

H150 with cable glands

Operating conditions -30...+50 °C (for 0…20 ppm),

-20...+50°C (for 0...200 ppm),

15...90 %RH

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