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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🚀 Elevate Your RPM Game!

ROBUST DESIGN - Constructed from durable PLA and PE materials, built to withstand the rigors of industrial use.
PLUG AND PLAY SETUP - Includes a Hall sensor and magnet for quick installation—get started in no time!
PRECISION PERFORMANCE - Accurately measures RPM from 5 to 9999, ensuring you stay on top of your machine's performance.
USER FRIENDLY DISPLAY - Bright red 0.56" LED display for easy reading, even in low-light conditions.
VERSATILE COMPATIBILITY - Ideal for a variety of machines including CNC, lathes, and more—perfect for any workshop.

The DIGITEN 4 Digital LED Tachometer is a high-performance RPM speed meter designed for precision monitoring of various machines. With a measurement range of 5-9999 RPM and a bright red LED display, it ensures you can easily track your machine's performance. Powered by a DC 8-15V supply, this tachometer is compatible with a wide range of equipment, making it an essential tool for any professional workshop.

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Manufacturer	DIGITEN
Part number	RPM1204RHA
Item Weight	60 g
Product Dimensions	7.11 x 3.56 x 2.03 cm; 60.1 g
Item model number	5864173439
Color	red
Material	PLA_(Polylactic_Acid), PE_(Polyethylene), Plastic
Voltage	12 Volts
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

DIGITEN4 Digital LED Tachometer RPM Speed Meter+Hall Proximity Switch Sensor NPN Red

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