| Brand | Unbranded |
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Check the listing for details. NEW Photoelectric Switch Tester Proximity Switch Magnetic Switch Tester Sensor. Condition: New. Listed at 10.99 USD. 1 x Photoelectric Switch Tester. The sensor tester is designed to test two-, three- or four-wire DC sensors with PNP or NPN outputs. The tester is portable and can only use 2 6F22 9V batteries(Battery Not Included).
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