รหัสสินค้า : E2648-O2

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E2648-O2 Oxygen detector-transmitter

Features

• Easy to install robust enclosure
• Range 0...25 %vol O2
• Two analog outputs settable to 4-20 mA or 0-10 V
• RS485 Modbus RTU digital interface
• Relay option
• Remote probe option

Description

Oxygen detector-transmitter E2648-O2 is a member of new PluraSens® family of multifunctional measurement instruments.

The instrument may be used to prevent critical decrease of O2 concentration as well as to control the absence of the oxygen in gas mixtures.

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

To connect the detector to safety or building automation systems use two analog outputs and RS485 digital interface with industry standard Modbus RTU protocol. We recommend to set the output scale within 20-100% of the detection range.

Two relays with closing contact (option) may be used for remote signalling or ventilation control. Default alarm set-points are 19,5% and 18,0% O2. 

The device is available with either attached or remote sensor probe (default cable length is 3 m).

Technical Data

Calibration Oxygen O2

Sensor type Electrochemical

Sampling Diffusion

Detection range 0...25 %vol O2

Resolution 0,01 %vol O2

Non-linearity < 0,2 %vol O2

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

250 VAC / 30 VDC, 5 A max

Enclosure die-cast aluminium, wall mount, protection class IP66

Dimensions H120 × W125 × D57 mm

Operating conditions -30...+50 °C, 15...90% RH, no condensation