รหัสสินค้า : E2648-H2S

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E2648-H2S Hydrogen Sulfide detector-transmitter

Features

• Stable long-life electrochemical sensor
• Range 0...100 or 0...2000 ppm H2S
• Resolution 1 ppm H2S
• Two SPST relays option
• 2 × 4-20 mA or 0-10 V, RS485

Description

Hydrogen Sulfide detector-transmitter E2648-H2S is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include sewerage systems, labs, industrial premises and other areas, where potentially toxic concentration of hydrogen sulfide can accumulate.

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

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 hydrogen sulfide H2S

Sensor type electrochemical

Sampling method diffusion

Detection range 0...100 ppm H2S

0...2000 ppm H2S

other ranges on request

Resolution 1 ppm H2S

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

Default alarm set-points 10 ppm / 20 ppm H2S

Enclosure die-cast aluminium, wall mount, IP66

Dimensions H120 × W125 × D57 mm

Operating conditions -30...+50 °C, 15...90 %RH