Electronic Specialties Resource Page

Electronic Specialties Inc.

Electronic Specialties Inc. is a leader in its field, selling diagnostics tools which include the award-winning Max Fuse Buddy, Load Pro and the True RMS Load Current Clamp Meter. Since its establishment in 1967, the company has engineered and manufactured innovative hand held test tools ideal for technicians within the automotive, HVAC, small engine and marine industries. These high quality test instruments save time while enhancing your ability to diagnose and correct problems within both professional and home repair settings.

Their high standard products have been recognized by leaders especially within the automotive industry through various awards. This includes Motor Magazine’s 2015 Motor Top 20 Award for the Starter Buddy – a product which tests the overall health of a vehicle’s electrical cranking circuit. The company has also successfully patented many of its revolutionary products during its more than 40 years of existence.

Their products are available throughout the United States and beyond. Contact their toll free number at 800-227-1603 or email them at to find out more.

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Product Types | Comparison Charts

Electronic Specialties Products

Electronic Specialties sell a host of products including the Fuse Buddy, tachometers, current probes, multimeters, and test leads. These products offer the best solutions for automotive and other kinds of repair.


Fuse Buddy

This tool makes it easy for customers to fix electronic problems within their vehicle whether through at-home or professional repair. The Fuse Buddy tester reads circuit amperage draw and voltage, diagnosing problems related to a blown fuse. It also features an adapter shaped like a fuse which makes for more practical circuit testing.



Electronic Specialties’ range of tachometers are very versatile tools appropriate for both professional and at home repair. These tools can measure RPM on a variety of engines including automotive, motorcycles, snowmobiles, small engines, ATV, lawn equipment and generators. The EL332 Pro Laser Photo Tachometer provides enhanced capabilities through its laser beam technology, measuring RPM up to 6 feet away.


Current Probes

These tools enable users to test starting and charging systems. The Electronic Specialties 687 Low Current Probe/ DMM Tester for instance enables technicians to test a host of issues related to their automotive circuits. These include tests such as the battery drain, DC/AC Volts, Ohms, Capacitance, Frequency, Duty Cycle, Continuity and Diode test.



Our multimeters have multiple test ranges, enabling more efficient testing of electronic systems within various industries. The Electronic Specialties 380 Digital Multimeter W/Holster for instance has up to 20 test ranges in addition to fuse protection, 10 amp range and 10 meg ohm input impedance. Multimeters are an ideal tool for individuals seeking the best electronics and diagnostics solutions.


Test Leads

Test leads, otherwise known as test probes, are essential within the world of automotive diagnostics. They are used to diagnose problems by connecting to grounds and battery terminals, etc. We sell a wide range of test lead products including the Electronic Specialties 142 Pro Test Lead Kit. This kit includes products such as test probes, silicon back probe pins and heavy duty insulation piercing clips.

Product Comparisons

Test Lead Kits Comparison


Electronic Specialties 143 Automotive Test Lead Kit

Electronic Specialties 142 Pro Test Lead Kit

Electronic Specialties 140 Mag Lead Pro Test Lead Kit

  • One set of interconnect leads - length 64 inches
  • Test probes
  • Flexible silicon back probe pins
  • Shielded alligator clips and large crocodile clips
  • Deluxe roll-up storage pouch
  • Test probes
  • Silicon back probe pins
  • Bed of nails clips
  • Heavy duty insulation piercing clips
  • Crocodile clips
  • Interconnect leads - 64"
  • Large crocodile clips
  • One set MAG LEADS
  • Interconnect leads
  • Back probe pins
  • Crocodile clips
  • Alligator clips
  • Long reach grabber jaw clips
  • Hook/pin style wire piercing clips
  • Bed of nails wire piercing clips
  • Storage pouch

Tachometers Comparison


Electronic Specialties 333 Pro Laser Photo / Contact Tachometer

Electronic Specialties 328 EZ Tach +Plus 0-20,000 RPM Tachometer

  • Diesel Engines
  • Generators
  • Compressors
  • Industrial Engines
  • Industrial Equipment
  • Fans
  • Gears
  • and more.
  • Outboards
  • Snowmobiles
  • Motorcycles
  • Small Engines
  • Generators
  • Lawn Equipment
  • ATV
  • Automotives
  • and more.
  • Professional quality - shock absorbing double molded housing
  • Continuous backlit display
  • RPM Range: 0 to 99,999 RPM
  • Accuracy: + 0.05% + 1 digit
  • Sampling time: 0.5 sec.
  • Memory: Min/Max/Avg - Stores 10 Records
  • Resolution: 0.1 RPM (0 to 999 RPM); 1 RPM (over 1000 RPM)
  • Display: 5 digit LCD w/backlighting
  • Storage case included
  • Dual function Laser Photo and Contact tachometer with 12 different measurement types.
  • Laser method allows for longer detection distance, up to 6' away.
  • Contact function adds distance and frequency to the unit's capability.
  • Versatile instrument can measure RPM on a wide variety of engines from string trimmers to automotive
  • Reads engine revolutions up to 20,000 RPM
  • Built-in LED Flashlight which can be used while taking measurements
  • Backlit LCD display - Accuracy positive or negative 10 RPM
  • Picks up signal wireless or with supplied inductive pickup

Relay Buddy Comparison


Model 191 Relay Buddy Pro Test Kit

Model 193 Diagnostic Relay Buddy 12/24 Pro Test Kit

  • 5 New Relay Adapters 
  • Blow mold case
  • 3 new adapters for testing shielded relays 
  • 2 adapters for testing new relay types commonly used on fuel pumps and other powered devices 
  • 3 diagnostic trouble codes help define the cause of the bad relay
  • 5 Relay Adapters,both 12V and 24V
  • Blow mold case
  • Settable to 4 and 5 pin relay 
  • Uses vehicle 12V battery for power 
  • Green Light if relay is good
  • Red Light if relay is bad 
  • Switch contacts are loaded to detect excessive resistance
  • Tests 12 and 24 volt relays 
  • Settable to 4 and 5 pin relay 
  • Uses vehicle battery for power 
  • 3 Diagnostic Trouble Codes
    • Green Light if relay is good
    • Red Light if relay is bad
  • Checks relay coil & switch contacts