(Deutsch Style Connectors)
Power & Signal Group(Packard/Delphi Connectors)
Now that you have a Scope Meter, you need some means of probing signals. You can go out and buy some breakout boxes (for example the Kent-Moore® units available for H-D® ECMs). An alternate technique is to use insulation Piercing Test Clips. Once you use these, you will wonder how you ever got along without them. The best type is the Pomona Electronics® Model 6405 as these clips lock onto the wire.
Pomona Electronics® Test Clips are available from Newark.com. They also sell extended reach versions. You will also need a set of Test Leads with banana plugs on one end (connect to the insulation Piercing Test Clips) and BNC connector on the other end (connects to the Scope Meter).
These are also available as Pomona Electronics® Test Leads Model 72927-C-40 (40" long) and 72927-80-C (80” long). The 80" length is recommended.
The latest time we checked, Newark.com sold these units online for right in the neighborhood of $70 for a one pair of clips and one set of leads.
Pomona® Piercing Clips & Leads
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Infrared Thermometers are not new, but prices have been dropping rapidly over the past decade. The newer units include a laser pointer that shows the measurement area. Every shop needs one of these. You can use it to measure just about any temperature.
The Daytona Sensors™ R&D Department uses an Infrared Thermometer to measure cylinder head and exhaust temperatures during dyno tests.
The best value in Infrared Thermometers we have been able to find is the Extech® Model 42529 that is readily available from a number of online test equipment suppliers. Extech® also manufactures a wide range of other types of cost effective test equipment, including a wide-variety of other IR Thermometers.
The latest time we checked, TEquipment.net sells this unit online for right in the neighborhood of $80.
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This BK PRECISION® Model 2512 with two channel unit capability is very useful for comparing signals. Built-in batteries have four hours of life span and are completely rechargeable. USB interface that allows you to download waveforms to your laptop. If you have a strange looking sensor signal, you can email the waveform to us here at Daytona Sensors™. Please remember that we are always here to assist you anytime.
The latest time we checked, TEquipment.net sells this unit online for right in the neighborhood of $950.
AKTAKOM® Model ADS-2061M
No dyno lab should be without this new instrument that is also available from Extech®.
The Extech® Model 45160 simultaneously displays Temperature and Air Velocity or Relative Humidity.
Includes a Type K input socket for high temperature measurements to 2372°F (1300°C) using optional (Model TP870) Type K Thermocouple. Unit also includes 'Min/Max', 'Data Hold' and 'Auto Power Off' settings along with Disable feature.
Extech® also manufactures a wide range of other types of cost effective test equipment, including a variety of Anemometers and other items.
The latest time we checked, TEquipment.net sells this unit online for right in the neighborhood of $175.00.
BK Precision® Model 2512
Extech® Model 45160
Minimum Order Quantities Required - No Online Sales
While we are on the subject of probing signals, here is the This FLUKE® Model I310S. During your build you may also come across a need to measure current, i.e. to diagnose charging system and starter problems or observe ignition coil or injector driver waveforms. In many situations, looking at a current signal provides more information than looking at the voltage. You can readily identify a defective coil or injector winding by looking at the current.
The easiest way to do this is a clamp-on adapter that connects to the scope meter. You don't have to break or tap into any connections, just clamp the adapter around the wire. A good example is the Fluke® I310S that has ±45 and ±450 amp ranges. The lower range is ideal for looking at injector and coil drive waveforms and the upper range is suitable for charging and starting system diagnostics.
The latest time we checked, TEquipment.net sells this unit online for right in the neighborhood of $450.
Fluke® Model I310S
Extech® Model 42529
The AKTAKOM® Model ADS-2061M unit can display 2 channels and has extensive triggering capabilities. With 10M memory, it can capture a long waveform and allow you to zoom in to view details. For example, you can capture 10-15 seconds of data after an engine is started and then look at two signals, like MAP and injector drive, on an individual cylinder firing basis. A USB FLASH drive can be used to transfer data to your PC as well.
The latest time we checked, TMAtlantic.com sells this unit, complete with two probes, online for right in the neighborhood of $400.
The days of the troubleshooting with a basic DVM (Digital Voltmeter) have come to an end. In most cases, you can’t identify and fix problems without being able to observe signal waveforms.
To do this, you need a Scope Meter or Digital Oscilloscope. It's real easy to go out and buy high priced Scope Meters and Digital Oscilloscopes from Tektronix® and Fluke® as they start at about around $1,500 or higher.
However, a few very nice and reliable low cost Scope Meters and Digital Oscilloscopes with all the features you will ever need for troubleshooting are available usually starting at less than $500. Here are just a few good examples: