Would this be suitable for a tachometer up to 4000 rpm ?

No this would not be suitable for this application. For a Tachometer at this speed you need a contactless sensor - normally a small magnet attached to the rotor and a hall sensor to detect the magnetic pulse at each rotation.

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AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino including E-Book!

AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino including E-Book!

Product ID: 213407410

Details

Brand
AZDelivery
Current rating
300 Milliamps
Item dimensions L x W x H
22.6 x 8.3 x
Material
Metal
Style
Minimalistic

⚡6-36V wide voltage compatibility

📏4mm precise sensing range

🔴LED status indicator

1768 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your automation game with pinpoint precision and effortless setup!

ROBUST VOLTAGE RANGE - Operates seamlessly between 6V and 36V DC to fit diverse setups.
BONUS E BOOK INCLUDED - Jumpstart your projects with expert guides, libraries, and installation tips.
PLUG PLAY WITH ARDUINO - 3-wire NPN Normally Open design ensures easy integration with popular microcontrollers.
BUILT IN SAFETY PROTECTIONS - Polarity reversal and short circuit safeguards keep your system secure.
PINPOINT PRECISION DETECTION - Detects objects as close as 4mm for flawless automation.

The AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor offers a compact 12mm design with a 4mm sensing distance, supporting 6-36V DC operation and 300mA current. Featuring polarity reversal and short circuit protection, it ensures reliable, non-contact detection of metals, liquids, and powders. Compatible with Arduino and including a comprehensive E-Book, it’s ideal for industrial automation, labs, and smart projects.

Specifications

ASIN	B086V1FLZY
Best Sellers Rank	71,584 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 29 in Inductive Proximity Sensors
Brand	AZDelivery
Country Of Origin	China
Current Rating	300 Milliamps
Customer Reviews	4.6 4.6 out of 5 stars (460)
Global Trade Identification Number	04260581558390
Item Dimensions	22.6 x 8.3 x 2.9 centimetres
Manufacturer	AZDelivery
Manufacturer Part Number	1
Material	Metal
Maximum Supply Voltage	36 Volts (DC)
Measuring Range	4mm
Model Number	LJ12A3-4-Z
Mounting Type	Flange Mount
Number of Items	1
Output Type	NPN
Sensing Distance	4 Millimetres
Specific Uses For Product	Industrial automation, factories, warehouses, laboratories
Style Name	Minimalistic
Upper Temperature Rating	80 Degrees Fahrenheit

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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1768 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

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