Optical sensing family

July 2005 Sensors & Transducers

The 8000 series consists of a self-contained transmitter (SMT) and a receiver (SMR) which are to be used in through-beam mode, an SMP for diffuse proximity, SMRR for retro reflective and an SMPF for use with fibre-optic cables. All are offered with sensitivity adjustment via integral potentiometer with either cable or plug connection.

The complete series is availble either as 3 wire, NPN or PNP transistor output with a 10-30 V d.c. supply voltage, or as 2 wire, SCR with a 20-250 V a.c. supply voltage, both offering switch selectable light or dark function. The control input in the 10-30 V d.c. SMT is intended to be used for disabling or enabling the transmitting power temporarily for test purpose or for multiplexing applications.

The DC series is protected against reverse polarity of power supplies, control input and output signals. The output is protected against short circuit and inductive loads.

For more information contact Telco-Gail Norton Instrumentation, 031 701 4861.

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