User Manual

Extech Instruments
4 TKG250- EN V2.4 11/13
Table of Contents
Table of Contents ........................................................................................................... 4
1 Getting Started ............................................................................................................ 6
About the TKG250 Wave ............................................................................................. 6
Probe Zero ..................................................................................................................... 7
Keypad Functions ......................................................................................................... 7
Function Keys ................................................................................................................ 8
Display Screen .............................................................................................................. 8
Using the Battery Pack............................................................................................... 10
Monitoring the Battery Charge from the Display Screen ................................... 10
Replacing the Battery .............................................................................................. 10
2 Basic Gauge Operations ......................................................................................... 11
Power on the Gauge................................................................................................... 11
Performing a Reset ..................................................................................................... 12
Database Reset ....................................................................................................... 12
Parameter Reset ...................................................................................................... 13
Database/Parameter Reset ................................................................................... 14
Backlight ....................................................................................................................... 14
About Screen ............................................................................................................... 15
3 Calibrating the Gauge and Making Measurements ......................................... 16
Velocity Calibration Only ............................................................................................ 16
Velocity and Zero Calibration .................................................................................... 17
Zero Calibration Only ................................................................................................. 17
Delay Line Calibration ................................................................................................ 17
Automatic Zero ............................................................................................................ 18
Measurement Mode with a Datalogger ................................................................ 19
4 Adjusting parameters in A-Scan mode: ............................................................. 20
5 Using Setup Mode on the Gauge .......................................................................... 22
Using the Clock ........................................................................................................... 24
Understanding an LOS Reading............................................................................... 26
Using the Hold Option ................................................................................................ 26