where do you get replacement tape

Instead of paying a $1 per strip, I use HVAC foil tape I had laying around the house. Only $10 for a 150-feet roll ($8 at HD/Lowes). Something like this https://www.amazon.com/Homemory-Aluminum-Inches-Yards-Furnace/dp/B01M7S4APP/ref=sr_1_7?s=industrial&ie=UTF8&qid=1506079959&sr=1-7&keywords=hvac+foil+tape

Can a reading be taken on the end of a 5/8" dia shaft, or do you have to put the reflective tape on the side of the shaft and aim laser from the side?

You can make a "flag" out of reflective tape and wrap it around the shaft, then all you need to do is aim the tach at the flag (not the center of the shaft). If you're still having trouble, try holding a 3x5 note card with it's edge aligned (parallel) with the center line of the shaft so that only 1/2 of the shaft is visible to the device, then it will only be able to measure the flag one time per rotation and it won't accidentally pick up the flag's reflection twice as it goes around.

how is the battery life when not in use... I had one similar to this one and if i left the battery in it would kill them. anyone else have this prob?

I received mine in December 2018. I use it infrequently. Up till now (about six months) the battery is still good and working well.

I know this unit can read off the RPM, but does it also count a number of revolution?

It does not count the total number of revolutions. You would have to do the math (RPM x minutes). This is a basic unit that shows a minimum and maximum value (RPM) obtained during a reading. It also requires reflective tape to be applied on the shaft (or rotating object). It's not a unit that you can just point and shoot and come up with various readouts.

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Neiko 20713A Digital Tachometer, Non-contact Laser Photo | 99,999 RPM Accuracy

Neiko 20713A Digital Tachometer, Non-contact Laser Photo | 99,999 RPM Accuracy

Product ID: 340405024

Details

Brand
Neiko
Item Weight
0.4 Pounds
Item dimensions L x W x H
15.9 x 10.8 x
Style
Digital
UPC
837013207139

🎯±0.05% ultra-precise accuracy

📏20-inch non-contact laser range

🚀Measures up to 99,999 RPM

59291CFA

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Description

🎯 Hit your RPM targets with laser precision—don’t get left spinning!

ALL INCLUSIVE KIT - Comes with reflective tape, batteries, and a protective case—ready to perform right out of the box.
PINPOINT PRECISION - Experience razor-sharp RPM readings with industry-leading ±0.05% accuracy.
USER CENTRIC DESIGN - Large, crystal-clear LCD display and ergonomic handheld form factor for seamless operation on the go.
LIGHTNING FAST LASER TECH - Instantly capture rotational speeds up to a staggering 99,999 RPM from a safe distance.
EFFORTLESS NON CONTACT MEASUREMENT - Measure shafts and motors without ever touching them—perfect for delicate diagnostics.

The Neiko 20713A Digital Tachometer is a compact, handheld device designed for ultra-accurate, non-contact measurement of rotational speeds from 2.5 to 99,999 RPM. Featuring a high-speed laser sensor with ±0.05% accuracy and a large LCD screen, it measures from up to 20 inches away and stores min/max readings. Ideal for automotive, industrial, and mechanical diagnostics, it includes reflective tape, batteries, and a protective case for immediate use.

Specifications

Asin	B000I5LDVC
Best Sellers Rank	#50,944 in Car & Motorbike (See Top 100 in Car & Motorbike) #3 in Tachometers
Included Components	Digital Tachometer
Item Dimensions Lxwxh	15.9 x 10.8 x 4.4 Centimeters
Item Model Number	20713A
Item Weight	181 g
Manufacturer	Ridgerock Tools Inc.
Net Quantity	1.0 Count
Product Dimensions	15.88 x 10.8 x 4.45 cm; 181.44 g

Reviews

User

Good buy

Works great

6.12.2025

User

Excelente opción

Muy fácil de usar, bastante preciso y portable

22.12.2023

User

Nice little machine

I used this on a small tractor. Worked great.

9.08.2026

User

good to use

good device ... working nice with me

12.10.2023

User

Very cheap materials

Very cheap materials.Bad quality

1.12.2020

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59291CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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