Can you recommend a 110v power supply for the tach here from Amazon?

I save old wall warts, those plug-in AC adapters that you plug in the wall, and then into your device, and I found one of them that supplied the recommended voltage, cut off the device plug and connected it to the tachometer power wires.

Will this work on lawnmowers?

If you can install the magnet and sensor in lawnmower. i think it can work with it. thank you@

Is there a way to output the tach signal to a data acquisition system that reads in voltage?

This hall sensor acts as a NO switch. Meaning that voltage/current are allowed to pass only when the magnet is near the sensor. For use as a tachometer, you would be reading pulses/second, or frequency. So data logging voltage wouldn't really work unless you worked some excel magic afterwards.

what is the maximum length of the sensor wire? 44 inches is too short for my need. Can I lengthen it?

I installed this on my combine to measure the fan RPM speed. I needed to add more wire to reach the display mounted inside the cab. The total length of the wire is over 15 feet. I believe it would work at even a greater length. The unit works great.

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DIGITEN 4 Digital Red LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN for Lathe Conveyor Belt

DIGITEN 4 Digital Red LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN for Lathe Conveyor Belt

Product ID: 18058321

Details

Brand
DIGITEN
Item Weight
2.12 Ounces
Item dimensions L x W x H
2.8 x 1.4 x
Material
Plastic
Number of Items
2

⚡DC 8-15V power range

🌀5-9999 RPM measurement range

🔴0.56" bright red LED display

S$37

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Description

🔴 Stay ahead of the RPM game with precision and style!

RAPID REFRESH RATE - Updates RPM readings every 0.06 to 0.5 seconds, keeping you ahead with real-time data.
VIBRANT LED DISPLAY - Clear, bright 0.56-inch red LED ensures instant readability even in dim industrial settings.
PRECISION RPM TRACKING - Accurately measures motor speeds from 5 to 9999 RPM for flawless performance monitoring.
COMPACT DURABLE DESIGN - Sleek 72x36x20mm tachometer built to fit tight spaces and withstand industrial environments.
PLUG AND PLAY HALL SENSOR - Includes a reliable NJK-5002C Hall proximity sensor with magnet for seamless RPM detection.

The DIGITEN 4 Digital Red LED Tachometer is a compact, high-precision RPM speed meter designed for industrial applications like lathes and conveyor belts. Powered by DC 8-15V, it features a bright 0.56-inch red LED display and includes a Hall proximity sensor with magnet for accurate pulse detection. With a wide measurement range of 5-9999 RPM and rapid refresh rates, it delivers real-time speed monitoring in a durable, space-saving design.

Specifications

ASIN	B00VKAT8A2
Best Sellers Rank	#306,586 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #57 in Industrial Tachometers
Brand	DIGITEN
Brand Name	DIGITEN
Customer Reviews	4.2 out of 5 stars 444 Reviews
Item Dimensions	2.8 x 1.4 x 0.8 inches
Item Weight	2.12 ounces
Item dimensions L x W x H	2.8 x 1.4 x 0.8 inches
Manufacturer	DIGITEN
Material	Plastic
Material Type	Plastic
Model	5864173439
Number of Items	2
Number of Packs	1
Part Number	RPM1204RHA
UPC	785497558080 713458679192
Unit Count	1 Count
Voltage	12 volts

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S$37

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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