Question: In mode, transmitted light from a fiber - optic sensor travels to a separate receiver and an object is detected when it interrupts that beam.

In mode, transmitted light from a fiber-optic sensor travels to a separate receiver and an object is detected when it interrupts that beam.
A. thru-beam
B. diffuse
C. Both A and B.
D. None are correct.
True or False? Laser sensor outputs can only be PNP, not NPN.
Lasers are classified by their q, into Class 1, Class 2, Class 2M, Class 3R, Class 3B, and Class 4.
A. beam type
B. crystal type
C. energy
D. voltage
A q, measures temperature by relying on predictable changes in the electrical resistance of metals that are proportional to changes in temperature.
A. thermistor
B. resistance temperature detector (RTD)
C. thermocouple
D. piezoelectric sensor
True or False? Not all VFDs are VSDs, but all VSDs are VFDs.
In mode, transmitted light from a fiber - optic

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