Page 52 - Q1 2025 Stephenson Equipment Catalogue

DIAGNOSTIC & TESTING SERVICE TOOLS

Tachometers Stethoscopes

ESI-328 $101 15 LIS-52500 $43 65

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 $47 65
Dual Purpose
ESI-332 $154 65 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 $196 35 STE-65001 $163 75
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 $221 75
EngineEAR® II Electronic
Diagnostic Stethoscope
ESI-125 $161 15 • 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 $227 05
ChassisEAR® Electronic
Leak & Defect Detector Squeak and Rattle Finder
• Easily pinpoint noises that cannot
be duplicated in a repair stall and
only occur during road driving
• Connect up to (6) microphones to different under-chassis locations
• 16-foot long colour coded wire leads allow microphones
to be positioned in difficult to reach places

HBF-TP-9367L $1118 35 STE-61082 $574 15
Ultrasonic Diagnostic Tool Wireless ChassisEAR®
• Converts & amplifies inaudible ultrasonic sounds into audible “natural” sounds Diagnostic Device Kit
• Applications: • Specifically designed to
Automotive, HD Trucks, A/C, Refrigeration pinpoint squeaks, rattles, and
• Pinpoints quickly and effortlessly air brake leaks, gear and bearing wear in wheel any other troublesome and
hubs, transmissions, transfer cases, differentials, compressed air, vacuum, errant noises across
electric motors and other pressurized leaks a vehicle’s engine, axles, and chassis
• 5-LED signal intensity indicator and audible alarm • Ideal for diagnosing faulty fuel injectors, bearings,
• Laser pointer to help pinpoint the source of pressurized leaks gears, suspensions, transmissions, differentials
• Checks for electrical discharge associated with insulation breakdown, carbon and CV joints, and under hoods
tracking and arcing • 4 independent transmitters for monitoring
• Unique ultrasonic emitter helps locate faulty seals, gaskets and weather stripping multiple locations
in passenger cabs, trailers and other non-pressurized enclosures • 50-foot signal range

52 | April – June 2025