What is the smallest motor it can reliably be used on?

Thank you for your question. When you are using our 6208A digital contact tachometer, please hold the speed tach meter and make sure it is aligned with the target, then you can easily read the data.

I'm getting rpm readings that vary widely in rpm mode with the cup tip, including readings above the 19999 rpm limit. any ideas how to troubleshoot?

Thank you for your question. When you are using our 6208A digital contact tachometer, please hold the speed tach meter and make sure it is aligned with the target, then you can easily read the data.

The unit came with two wheels, which wheel is for metric and which is for standard?

Make sure to select 6" perimeter from the options: Use the manual to set. You have the option of 6",12" or 0.1m. The unit came with a wheel 6 inch circumference wheel. That is the one used to measure ft/min, ft/sec in/min. To find out which one use a ruler, place a mark on the outside of the wheel. Then set the mark at 0" on the ruler and role it to 6". The mark should end up at 6" on the ruler. The 2 small wheels are used to measure RPM

Can it read the RPM of an auto engine by holding the contact tip against the engine?

Yes, it is the contact measurement tachometer which can read the RPM of the auto engine, and the range is 50-19999RPM.

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Protmex PT6208A Digital Contact Tachometer - 50-19999RPM Speed Meter

Protmex PT6208A Digital Contact Tachometer - 50-19999RPM Speed Meter

Product ID: 31001811

Details

Brand
Protmex
Item Highlight
Contact Speed
Item Weight
200 g
Item dimensions L x W x H
7.6 x 2.36 x
Material
Plastic

💡LCD backlight for dark environments

📊100 groups data logging capacity

⚙️16-bit high-speed chip for precision

328.56 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Measure Like a Pro, Lead Like a Boss!

DATA DRIVEN DECISIONS - Store and analyze up to 100 data groups with max, min, and average functions for comprehensive insights.
READY FOR ANY ENVIRONMENT - Bright LCD backlight and auto power-off feature save energy and enable use in low-light conditions.
ERGONOMIC DURABLE DESIGN - ABS double-layer shell with secondary injection molding offers comfort and long-lasting durability.
VERSATILE MEASUREMENT MODES - Switch effortlessly between 5 units (m/min, m/sec, ft/min, ft/sec, in/min) to suit any project.
PRECISION AT YOUR FINGERTIPS - 16-bit integrated chip ensures ultra-stable and reliable RPM readings from 50 to 19,999.

The Protmex PT6208A Digital Contact Tachometer is a high-precision handheld RPM meter featuring a 16-bit high-speed chip, capable of measuring speeds from 50 to 19,999 RPM. It supports 5 unit modes, logs up to 100 data sets, and includes max/min/average calculations. Designed with an ergonomic ABS double-layer shell and equipped with an LCD backlight, it ensures reliable performance in diverse industrial and maintenance applications. Backed by CE and RoHS certifications and 24/7 support, it’s the go-to tool for professionals demanding accuracy and durability.

Specifications

ASIN	B01F7AA20K
Best Sellers Rank	#26,666 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Industrial Tachometers
Brand	Protmex
Brand Name	Protmex
Customer Reviews	4.1 out of 5 stars 365 Reviews
Included Components	1* 6 inch idler wheel; 1* 0.1m idler wheels; 2* touch tips; 1* Lengthening bar
Item Dimensions	7.6 x 2.36 x 1.14 inches
Item Highlight	Contact Measurement Speed Tachometer with 100 Groups Data Logging, Data Hold, Max/Min/AVG, Backlight
Item Weight	200 g
Item dimensions L x W x H	7.6 x 2.36 x 1.14 inches
Manufacturer	Peakmeter
Material	Plastic
Material Type	Plastic
Model	PT6208A Contact Tachometer
Number of Items	1
Number of Packs	1
Part Number	Peakmeter
UPC	762640504958 762640506396
Unit Count	1 Count

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