Is this top of line ?

It's, as far as I know, a unique product. No-one else makes anything quite like it (as a handheld, one-box solution). I've got one, and it's a fantastic time-saver. I can do a quick look at four cylinder's worth of ignition waveforms in twenty seconds. To do the same thing with my Snap-On Verus (five grand's worth) takes five minutes to boot, then a couple of minutes to find and plug up the adaptor, then another minute to configure the scope mode. And I gain little or nothing more by doing it with the Snap-On tool than using the GTC product.

Will this work on a single cylinder lawnmower engine to read rpm? If so what setting would you use?

The problem is that when the unit is in tach mode it reads the wrong RPM’s because you you can not set it for the number of cylinders that your engine has. It’s permanently set for “8” cylinders with no way to change it to “1”, “2”, “4”, or “6” cylinders so that the tach function will read correctly. You have the option of setting the unit for a 2-cycle or a 4-cycle engine so why can you not set the number of cylinders?

Does this product have a warranty besides the 4yr protection plan?

Yes, the GTC505 comes with General Technologies Corp's standard product warranty, which lasts 1 year (from date of purchase). Please visit the GTC warranty page for details https://gtc.ca/warranty.html If you have problems after the warranty period, please contact the manufacturer, as GTC can often provide replacement parts, or repairs.

Can this be used to set ignition timing instead of a timing gun?

Nope. There is no strobe to illuminate the timing marks on the vibration damper.

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Ignite Your Diagnostics! 🔥

⏳ TIMING MASTERY - Detect ramp time and dwell angle to ensure optimal engine performance.
📈 REAL TIME ANALYSIS - Visualize ignition waveforms instantly for in-depth troubleshooting.
🔍 PRECISION DIAGNOSTICS - Uncover hidden ignition issues with peak voltage measurements.
🌍 UNIVERSAL COMPATIBILITY - Works seamlessly across all spark-ignition engines, from vintage to modern.
🔄 INTERMITTENT ISSUE FINDER - Utilize chart and comparison functions to catch elusive faults.

The GTCGTC505 Engine Ignition Analyzer is a versatile diagnostic tool designed for marine, motorcycle, and automotive mechanics. It measures spark peak voltage, displays ignition waveforms in real-time, detects ramp time for timing issues, and is compatible with all spark-ignition engines, making it an essential device for precise engine diagnostics.

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Manufacturer	GTC
Brand	GTC
Model	GTC505
Product Dimensions	16.51 x 3.56 x 12.45 cm; 907.18 g
Batteries	1 Lithium Ion batteries required. (included)
Item model number	GTC505
Manufacturer Part Number	GTC505
Item Weight	907 g

GTCGTC505 Engine Ignition Analyzer - Spark Diagnostics and Tachometer Readings for Marine, Motorcycle, and Automotive Mechanics, General Technologies Corp

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