Key Sensor Questions:

1.)Sensor type?

   RF

   Inductive Proximity

   Capacitive

   Photo Electric

   Flow

   Ultrasonic

   Pressure

2.) Range (distance to target)?

3.)What is the target material?

4.) Size of target?

5.) Voltage? AC or DC? If DC, PNP or NPN?

6.)Type of output? Contact or solid state?

7.) Switching speed?

8.) Size of sensor?

9.) Type of connections? (Cable or Connector)

10.) LED display needed?

11.) If photo-electric:

        A. What reflector type, Scanner or Thru Beam Pair?

        B.) Target's optical characteristics (Opaque, Translucent, Transparent), (Shiny or Dull), Color, Texture, Access to target (one side or both sides)

12.) Enclosure rating? Harshness of environment?

13.) Any special requirements?