Auto Service World
News   November 3, 2011   by CARS Magazine

OTC Releases Powerful Automotive Tech-Scope

The OTC Tech-Scope is a standalone two-channel high-speed lab and ignition oscilloscope with multimeter that allows service technicians to quickly and efficiently test and measure virtually all of the electrical and electronic components and...


The OTC Tech-Scope is a standalone two-channel high-speed lab and ignition oscilloscope with multimeter that allows service technicians to quickly and efficiently test and measure virtually all of the electrical and electronic components and circuits in a modern vehicle. The tool features galvanic isolation not found on automotive scopes for hardware protection and includes an ignition scope and a digital multimeter with an ohm meter.

The Tech-Scope is based on a proven hardware and software solution developed exclusively by OTC, and is capable of reading 40 million samples per second on each channel with a 10 ohm input impedance-eliminating the need for special adapters to capture signals from critical components. It includes InfoTech software that provides a vehicle-specific repair information database for testing most common vehicle components with step-by-step test procedures using a lab scope or multimeter.

InfoTech software provides easy setup instructions with functional patterns for Component and Systems tests. For example by selecting a specific type of component to test, the unit will setup the correct time base and voltage range, taking the guesswork out of setup procedures. The OTC Tech-Scope contains “Glitch Trigger” capture that splits the screen into two: the top portion view is the live actual pattern and the bottom view is the bad pattern.

The help menu assists the user in finding answers fast with real-time comparison between actual waveforms and reference waveforms on the same screen. Built-in reference information for each preset test include a test procedure, normal reference signal pattern, theory of operation and trouble shooting tips, enabling the user to check the majority of automotive sensors, actuators and systems quickly and easily.

Additional Oscilloscope Features:

  • Combined oscilloscope and multimeter display is user selectable.
  • Vertical cursors show time difference and frequency between the two cursors and waveform values at the selected points.
  • Automatic record stores waveforms in a circular buffer, showing 50 screens of data.
  • AC/DC Coupling for detail signal analysis.
  • Auto Setup automatically adjusts the vertical scale, sweep time and trigger point.
  • Peak Detect captures high-speed signals at the maximum sampling rate even at slow sweep speed and is user selectable.
  • Selectable glitch sensitivity: low – medium – high.

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