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Text version of the page
| AF46- | ||||||||||||||||
| Dual Channel UV Absorption Sensor inline control | ||||||||||||||||
| Inline real time process monitoring Designed for hazardous locations Dual channel background compensation Extremely low maintenance Broad variety of line sizes, process connections and wetted materials Designed for CIP/SIP and ultra-sanitary applications NIST-traceable validation accessories | ||||||||||||||||
| The model AF46-EX is an advanced, dual channel UV absorption sensor with two additional lamp reference channels. This sensor is designed for inline operation and provides accurate concentration measurements with great repeatability, linearity and resolution. The AF46-EX can be used in hazardous environments. The modular sensor consists of an intrinsically safe detector housing and a flameproof stainless steel housing comprising the lamp modules as well as the reference detector modules. The appropriate converter can be located either in a safe area or in a flameproof or pressurized enclosure directly in the hazardous location. The AF46-EX uses light in the UV range at selected wavelengths combinations. A precisely defined, constant light beam penetrates the process medium. | The attenuation ofthe light intensity, caused by absorption and/or scattering by dissolved and undissolved substances, is detected by photo diodes. The light beam is divided into two beams and passes through the specific interference filters. This dual channel measurement compensates for background influences at the specified wavelengths. The additional reference photo diodes compensate for any lamp intensity variations. The special optical sapphire window provides superior resistance to all abrasive and corrosive media. The AF46-EX is available with a broad variety of line sizes, process connections and wetted materials. NIST-traceable validation accessories are also available. | |||||||||||||||
| Type AF46-EX 1 Sensor body 6 Filter 2 2 Windows 7 Detector 2 3 Beam splitter 8 Reference detector 1 4 Filter 1 9 Reference detector 2 5 Detector 1 10 Low pressure mercury light source | ||||||||||||||||
| www.optek.com | ||||||||||||||||