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Optical interface sensor
$1867.00
The Optical interface sensor consists of a sensing probe and a separate electronic converter.
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| The OPN series optical interface sensor consists of a sensing probe and a separate electronic converter. Sediments, suspended solids and liquid/liquid interfaces are detected by using an infrared transmission operating principle. By transmitting the infrared light with pulse modulation, a strong beam eliminates build-up and fouling on the probe surfaces. Ambient light is electrically disregarded by using a special frequency. The OPN sensing probe is submersible and the PVC housing, PP sealing connector and FEP covered probes are compatible with a wide range of liquids. Special PVC cable lengths are 5 meters or 20 meters. The detecting level can be easily adjusted by altering the height of the cable fixing point. The electronic converter has a switch selectable High or Low fail-safe mode for relay safety. An adjustable 0.5 to 10 second switching delay is provided in order to avoid transient on/off signals. |
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| The OPN consists of a two element probe. A beam transmits from one which has a built in infrared emitting diode to the other which has a photodetector. When the probes are immersed into medium, the infrared beam transmission decreases. This damping is detected and converted into an electric relay output. |
| Weight | 1 kg |
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