The DCEM2100 provides a continuous measurement of opacity or dust concentration in flue gases by continuously measuring the transmissivity of visible light across a process duct or stack.
Its dual-pass optical arrangement is based on twin transmissometers measuring in opposing directions through the same section of the gas stream, providing not only an accurate average of the dust loading, but also providing a unique dynamic assessment of any misalignment errors due to stack movement.
|Measuring units||% opacity, mg/m3, mg/Nm3|
|Ambient Temperature||-20°C to +70°C|
|Power supply||48V DC supplied from Power Supply Unit (PSU)|
|Construction||Corrosion resistant epoxy coated aluminium housing sealed to IP66|
|Analogue outputs||2 x 4-20mA current outputs, isolated, 500Ω load max. fully configurable from keypad|
|Logic Outputs||2 x volt-free SPCO contacts, 50V,1A max., configurable as alarm contacts
1 x volt-free SPCO contact, 50V,1A max. for data valid
|Serial Data||RS232/RS485 MODBUS protocol (Optional)|
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