00:00Conveyor build need reliable metal sensing without high cost.
00:03Tested top options under $15 for parts sorting line.
00:08Found 5 top-rated sensors handle continuous factory abuse cheap.
00:12First up, TRICK LJ12A 3-Series cost $6.39.
00:17Best feature wide voltage range, handle 12-24V DC or 90-220 AC, pick 2mm or 4mm detect range.
00:27Reliable metal detection, 4.8-star rating across thousands sold.
00:31Good standard workhorse for main divert gate.
00:35Next, Dirt Cheap Champion, generic LJ12A 3-4Z model at $0.93.
00:41Give solid 4mm detect range on standard M12 barrel, NPN or PNP options.
00:47Crazy 4.9 rating with over 4,000 unit running.
00:51Buy 10-pack for backup.
00:53Perfect budget pick for simple high-speed tote stop sensor.
00:58Third, TRICK LJ-Series variant for $5.88.
01:02Standout feature included 1.2-meter high-flex cable, save wiring time during conveyor install.
01:09Also offer M8 and M18 body sizes if M12 too big or small.
01:14Clean 4.9 track record.
01:16Buy if need fast drop-in install without soldering wire extensions.
01:21Fourth, dedicated LJ12A 3-4Z-BX NPN switch for $4.55.
01:27Standout wide DC input, run 6-36V smooth.
01:32Interface direct with PLC, Arduino, or relay board with zero fuss.
01:374.9 rating prove internal optocoupler hold-up under continuous trigger cycle.
01:42Solid buy for microcontroller sorting setup.
01:46Last, CLOID approach switch at $3.78.
01:50Strongest selling point massive form factor flexibility, M8 up to M30 size.
01:55Fit weird tight bracket on conveyor transfer point.
01:59Solid build, 4.8 stars, handle DC 6-36V or AC 110.
02:05Buy when conveyor frame lacks standard mounting space.
02:08All sensor links live in description below.
02:12Drop like, hit subscribe for more raw shop gear test.
02:16Catch next build.
