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User Notes for Ophir RM9-PD Sensor + RMC1 Chopper

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User Notes for Ophir RM9-PD Sensor + RMC1 Chopper

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The RMC1 chopper should be mounted with the side marked "THIS SIDE TOWARD SENSOR" facing the RM9-PD. The side of the chopper blade facing this direction has a low emissivity surface. The other side of the blade faces the light source and has an absorptive black coating to minimize stray reflections. For convenience, the RMC1 chopper is provided with screw threads on all four sides, to allow it to be mounted in the most convenient orientation possible relative to the light source and sensor. The screw threads allow it to connect to the standard Ophir base and post for easy mounting in the customer’s system.

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