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  • "Hey Mike, thanks for the vending machine, using a lot less double ended cables after swtiching to the silicone"
    John, OH
  • "Always willing to cross reference parts, and save money, thanks"
    Kevin, IN
  • "Installed the vending machine on our plant floor, and we do 2 CI's per month now from the data for where parts are used most. Good system."
    Sal, Mexico
  • "Best price on cables, always in stock for us"
    Michelle, Richmond, BC
  • "Usage cut by 2/3rds after going with Metalhead types, thanks guys"
    Doug, Richmond Hill

Sensor Testers

Sensor Testers for Function and NPN/PNP Indication


Full-function Sensor Tester
Pocket-sized sensor tester with push-type terminals makes wire connections quick and easy. Allows for fast field checks, troubleshooting and/or demonstration of 10-30 VDC sensors with a maximum sensor current drain of 50 mA. 2, 3, or 4-wire and NAMUR type sensor built to DIN 19234. Confirms operation of inductive, photoelectric, capacitive and ultrasonic sensors.

Model Number:  S-TER
Supply Voltage 18 VDC
Maximum Rated Load 100 mA (fused)
Leakage Current -
Short-circuit Protection Yes
Over Voltage Protection Yes
LED Display Yes (2)
Audible Output Yes
Operating Temperature
Room Temperature
Humidity 80% non-condensing
Housing Material ABS
Protection Class IP67
Battery 9V
Dimensions Wiring Connections
Displaying products 1 - 1 of 1 results
18 Volt Sensor Tester, Batteries Included. Perfect pocket sized sensor tester to verify operation of proximity sensors, photoelectric sensors, pneumatic cylinder sensors, and other control products. The tester also verifies PNP or NPN operation.