รหัสสินค้า : E2648-CO2

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E2648-CO2 Carbon Dioxide detector-transmitter

Features

• Stable long-life photoacoustic or optical NDIR sensor
• Range 0...10 000 ppm / 40 000 ppm / 5 %vol CO2
• Resolution 1 ppm / 10 ppm / 0.01 %vol CO2
• Two SPST relays (option)
• 2 × 4-20 mA or 0-10 V, RS485

Description

Carbon Dioxide detector-transmitter E2648-CO2 is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include HVAC and air quality control in public, office and industrial buildings, greenhouses, underground parkings, boiler houses, and other areas, where potentially toxic concentration of carbon dioxide can accumulate.

The instrument utilises a fully calibrated and temperature compensated photoacoustic or optical NDIR gas sensor with excellent repeatability, stability and long lifetime. Ambient pressure compensation (in the range 0,5...2 bar of absolute pressure) is available as an option.

Two relays with closing contact (optional) may be used for remote signalling or concentration 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.

Technical Data

Calibration carbon dioxide CO2

Sensor type photoacoustic

optical NDIR

Sampling method diffusion

Detection range 0...10 000 ppm (10K) CO2

0...40 000 ppm (40K) CO2

0...5 %vol (50KN) CO2

up to 100 %vol CO2 on request

Resolution 1 ppm for 10K

10 ppm for 40K

0.01%vol for 50KN

Sensor lifetime up to 10 years for 10K/40K

up to 5 years for 50KN

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 (option) 2 × SPST relays (closing contact),

Enclosure die-cast aluminium, wall mount, IP66

Dimensions H120 × W125 × D57 mm

Operating conditions -40...+60 °C, 0...100 %RH