Page 63 - Q4 2025 Stephenson Equipment Catalogue

DIAGNOSTIC & TESTING SERVICE TOOLS

Tachometers Stethoscopes

ESI-328 $113 45 LIS-52500 $43 35

EZ Tach +PLUS Mechanic’s Stethoscope
Automotive Tachometer • Quickly pinpoints the source of
• Picks up RPM signal wirelessly or with mechanical noises in engines,
supplied inductive pickup 52500 transmissions, differentials and
• Measures RPM on a wide variety of bearings
engines, from 0 to 20,000 RPM
• Great for setting idle speeds LIS-52750 $48 65
Dual Purpose
ESI-332 $173 55 Stethoscope Kit

Professional Laser Tachometer 52750 • Detects both mechanical
and air induced sounds
• For easy and accurate
measurement of RPM
• Detects RPM from up to 6 feet away
• Test range: 0-99,999 RPM
• Memory: Min/Max
ESI-333 $220 25 STE-65001 $162 65
Professional Laser/Contact Tachometer EngineEAR® Stethoscope
• Dual function laser photo and contact tachometer with 12
different measurement types. Laser detects RPM up to • Amplifies sound
6 feet away. Contact function adds distance and frequency • Flexible shaft with metal probe for
measuring to the unit’s capability. picking up noise and vibration
• Test range: 0-99,999 RPM • Pin-points noise and location
• Memory: Min/Max/Avg (stores 10 records)

Timing Lights STE-06800 $220 25
EngineEAR® II Electronic
ESI-125 $180 75 Diagnostic Stethoscope
• Quickly pinpoint noises
Digital Tach/Advance • 7 sound settings with adjustability
from 60 to 120 decibels
Timing Light • Supersensitive microphone with
• Indicates Tach (RPM) and high to low settings
Degrees Advance • Flexible gooseneck shaft for easier access
• Measures ignition spark advance • 9V battery included
from 0-90°
• 2 & 4 stroke tachometer measures
engine speed up to 9,999 RPM
• Works with 12 Volt electrical systems
STE-06600 $225 55
Noid Light Testers ChassisEAR® Electronic
Squeak and Rattle Finder
• Easily pinpoint noises that cannot
SGT-36300 $41 65 be duplicated in a repair stall and
only occur during road driving
Noid Light Set • Connect up to (6) microphones to different under-chassis locations
• 16-foot long colour coded wire leads allow microphones
• Tests electronic fuel injection signals to be positioned in difficult to reach places
• Checks GM TBI, Bosch PFI,
Ford TBI, GM PFI, Geo TBI and
GM SCPI
Spark/EFI/IAC Testers STE-61082 $570 25
Wireless ChassisEAR®
Diagnostic Device Kit
• Specifically designed to
pinpoint squeaks, rattles, and
SGT-36350 $132 35 any other troublesome and
errant noises across
a vehicle’s engine, axles, and chassis
Combination Test Kit with • Ideal for diagnosing faulty fuel injectors, bearings,
In-Line Spark Checker for gears, suspensions, transmissions, differentials
Recessed Plugs, Noid Lights and CV joints, and under hoods
and IAC Test Lights • 4 independent transmitters for monitoring
• Use to test spark plug circuits, electronic fuel injection signals multiple locations
and idle air control (IAC) circuits • 50-foot signal range

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