GTC GTC505 - User Manual

User’s Manual
ENGINE IGNITION ANALYZER
General Technologies Corp.

Summary

Instrument General Description

Instrument Overview

Overview of the GTC505 ignition analyzer's physical components and connections.

LCD Display Layout

Controls and Interface Operation

Power and Clear Functionality

Instructions for turning the instrument on/off and clearing data.

Ignition Measurement Modes

Engine RPM Measurement

Spark Burn Time Measurement

Measuring the duration of the spark, indicating ignition system performance.

Spark Plug Voltage Measurement

Measuring spark plug peak voltage to diagnose ignition issues.

Dwell Angle Measurement

Coil Current Ramp Time

Measurement Setup and Procedures

Probe and Sensor Setup

Connecting the flexible probe and COP/SPW sensors to the instrument.

Extension Cable Setup (GTC505 m)

Coil-on-Plug Measurement

Procedure for measuring COP and coil-near-plug ignition systems.

Spark Plug Wire Measurement

Procedure for measuring ignition systems using SPW or clip-on SPW sensors.

GTC GTC505 Specifications

General

Detectable Gases	Combustible gases
Response Time	< 30 seconds
Alarm	Audible and Visual
Measurement Range	0 to 100% LEL
Resolution	1% LEL
Display	LCD
Type	Portable Gas Detector