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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
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18 Volt Sensor Tester - Batteries not included. Perfect pocket sized sensor tester to verify operation of proximity sensors, photoelectric sensors, pneumatic cylinder sensors, and other control products. The tester verifies PNP or NPN operation.
$95.00

S-TER-N