ST-03 Sensor Tester

The fastest way to verify the main function on your sensor. The tester can be used for: Namur (EN 50 227), 2- wire DC, 3-wire DC and 4- wire DC. Connect your sensor to the terminals on the sensortester. The sensortype (NPN or PNP) and output status NO (normally open) and (normally closed) is shown on the correspondent LED. Red LED for NPN and green for PNP. A buzzer will tell you if the output is active. Fault function on the tester can be: Wrong sensor (e.g. AC sensors), defect sensor. The wire is not connected correct. The fuse in the tester is burned. The batteri is flat.

For connection se the wiring diagram on the sensor tester. To replace the batteries (2x9V, e.g. PP3) or fuse (100mA f) remove the screw on the backside of the sensor tester.

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