Sulphur dioxide detector-transmitter E2638-SO2

• Electrochemical gas sensor
• Range: 0...50 ppm SO₂ / 0...2000 ppm SO₂
• Resolution: 0,1 ppm SO₂ / 1,5 ppm SO₂
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -30...+50 °C
• Supply: 11..30 VDC / 24 VAC or 90...265

More about detector E2638-SO2 on Evikon website [EN]

E2638-SO2 datasheet [EN]