dumb question but does this only detect proximity of metal or magnetic device or would it detect a human finger being used as no-touch switch?

Metal only. It does detect any metal however.

It is sealed and stainless so it is very water resistant. It's not made to be submersed in water, though it could last for a time underwater. The sensor can take a light stream of water, but would likely fail under high pressure washdown over time.

How sensitive is this switch to aluminum? 4mm? 2mm? Thanks

Distance or thickness of material? I was able to trip it with a small aluminum tube but it had to make physical contact with the center of the switch.

it is assumed sensor has voltage applied; is sensor closed then opens when tripped?

Depends on if it a normally open or normally closed sensor.

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Description

🔍 Discover Precision in Every Detection!

ROBUST DESIGN - Crafted with a durable metal shell, this sensor is built to withstand the rigors of industrial environments.
EASY INSTALLATION - Featuring a 3-wire configuration, installation is a breeze, saving you time and effort.
VERSATILE VOLTAGE - Compatible with a wide voltage range of DC 6-36V, making it perfect for various setups.
PRECISION DETECTION - Experience reliable sensing with a 4mm detection range, ensuring accuracy in every application.
COMPACT LIGHTWEIGHT - With a total size of just 66 x 21mm and weighing only 100g, it fits seamlessly into any project.

The Taiss 2pcs LJ12A3-4-Z/AX Inductive Proximity Sensor is a high-performance detection switch designed for reliable sensing of metallic objects. With a detection distance of 4mm and a versatile voltage range of DC 6-36V, this sensor is perfect for various applications. Its robust metal shell ensures durability, while the compact design allows for easy integration into any project.

Reviews

J**M

works on my 3D printer

using it as a Z probe on my ender 3. the description says "6v-36v" but it works fine off 5v.according to the deviation test this probe has 0.001mm deviation

18.08.2023

D**L

Not as advertised.

This ships as a single unit not 2 as described. It is also a NO switch not NC as shown in the descriptiom

26.08.2021

Z**E

Worked well in my application.

Worked well for my application. I'm using small pieces of brass so the 4MM range is shortened.

14.06.2021

T**E

Works great

Used on a DIY annealer machine. Exactly what I needed. Comes with 2 sensors in the pack (I didn't realize this until it arrived...guess I should have read the description better).

7.03.2019

C**.

Susceptible to noise

Using for CNC end stops but they constantly trigger. An RC filter or twisted and shielded wire is absolutely required.

25.11.2021

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