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Sensor Testers

Sensor Testers

Sensor Tester - S-TER-N for Function and PNP/NPN Indication
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Product Specifications:  S-TER-N

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 V DC sensors with a maximum sensor current draw of 100 mA. DC 2, 3, or 4-wire type sensors. Confirms operation of inductive, photoelectric, capacitive and ultrasonic sensors.


Model Number:  S-TER-N
Supply Voltage 18 V DC
Maximum Rated Load 200 mA (fused)
Leakage Current -
Short-circuit Protection Yes
Over Voltage Protection Yes
LED Display Green: Power / Orange: Low Power / Red: PNP / Yellow: NPN
Audible Output Yes
Operating Temperature
Room Temperature
Humidity 80% non-condensing
Housing Material ABS
Protection Class IP40
Battery 2 x 9 V (not included)
Dimensions Wiring Connections
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  • S-TER-N
    S-TER-N

    Product Specifications: S-TER-N 18 Volt Sensor Tester, 2 x 9 V Batteries not included. 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...

    $95.00
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