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StressTel PocketMIKE User Manual

StressTel PocketMIKE
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PocketMIKE
Operating Manual
021-002-279
©2004 GE Inspection Technologies, LP
50 Industrial Park Road
Lewistown, PA 17044
Phone: +1 (717) 242-0327
Fax: +1 (717) 242-2606
www.GEInspectionTechnologies.com
GE Inspection Technologies GmbH
Robert-Bosch-Straße 3
D – 50354 Hürth
Phone: +49 (0) 2233 60111
Fax.: +49 (0) 2233 601402
PocketMIKE
Operating Manual
021-002-279
©2004 GE Inspection Technologies, LP
50 Industrial Park Road
Lewistown, PA 17044
Phone: +1 (717) 242-0327
Fax: +1 (717) 242-2606
www.GEInspectionTechnologies.com
GE Inspection Technologies GmbH
Robert-Bosch-Straße 3
D – 50354 Hürth
Phone: +49 (0) 2233 601111
Fax.: +49 (0) 2233 601402
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StressTel PocketMIKE Specifications

General IconGeneral
BrandStressTel
ModelPocketMIKE
CategoryMeasuring Instruments
LanguageEnglish

Summary

General Warnings and Operator Training

Essential Elements for Ultrasonic Testing

Proper use requires correct equipment, application knowledge, and operator training.

Key Operator Knowledge Areas

Operators must understand soundwave theory, material velocity, wave behavior, and sound beam coverage.

Testing Limitations and Procedures

Sound Beam and Inference Limits

Information is limited to the sound beam; inferring outside requires caution.

Impact of Geometry and Surfaces

Part geometry and surfaces can affect readings and require careful examination.

1. Calibration of Sound Velocity

Calibrating the instrument's sound velocity is critical for minimizing thickness measurement errors.

Critical Calibration and Setup Procedures

Sound Velocity Calibration Importance

Sound velocities vary; calibrate on reference blocks for best results.

2. Probe Zero Procedure

Probe zeroing removes transducer time-of-flight for accurate thickness calculation.

3. Effects of Temperature on Calibration

Temperature variations affect sound velocity and calibration; calibrate on-site.

4. Transducer Selection

Select transducers in good condition with an appropriate measuring range.

Operating Principles and Procedures

5. Use of Couplants

Proper and consistent use of couplants is essential for accurate measurements.

6. Understanding "Doubling" Errors

Understand "doubling" where readings are twice or thrice the actual thickness.

Pulse-Echo Measurement Principle

Instruments use the pulse-echo principle, transmitting and receiving sound pulses.

Getting Started with PocketMIKE

1.1 Installing the Battery

Instructions for installing an AA alkaline battery into the PocketMIKE instrument.

1.2 Powering On the Instrument

Guide on how to power the PocketMIKE instrument on and off.

Understanding the PocketMIKE Interface

Keypad Operations Overview

Explanation of the functions of each key on the PocketMIKE keypad.

Display Indicators Explained

Description of icons and text displayed on the PocketMIKE screen.

Display Screen Modes Overview

Overview of the different display screen modes available on the PocketMIKE.

Detailed PocketMIKE Keypad Functions

CAL/ON and MODE Key Functions

Describes the functions of the CAL/ON and MODE keys.

Adjustment Keys (+/-) and Combined Functions

Explains the +/- keys and combined key press functions.

PocketMIKE Display Indicators Explained

Measurement Mode Indicators

Indicators for Thickness, Thickness Calibration, and Velocity Calibration modes.

Status and Unit Indicators

Indicators for backlight status, low battery, and measurement units (inch/mm).

Advanced Display Indicators and Modes

Operational Status Indicators

Indicators for SAFE mode, lockout disabled, overheating, failures, and active calibration.

Key Display Screen Modes

Overview of the three general display screen modes: Measurement, Calibration, and Backlight Adjustment.

Setting Up the PocketMIKE Instrument

Display and Backlight Adjustment

How to adjust the instrument's display brightness and backlight settings.

Thickness and Velocity Calibration

Procedures for calibrating thickness and material sound velocity.

Units, Resolution, and Display Orientation

Configuring measurement units, resolution, and display orientation.

Probe Replacement and Control Lockout

Instructions for replacing the probe and activating control lockout (SAFE mode).

3.1 Adjusting Display Brightness (Backlight)

Backlight Modes: On, OFF, Auto

How to set the backlight to On, OFF, or Auto for optimal visibility.

3.2 Thickness Calibration Procedure

Probe Condition and Calibration Standards

Importance of probe condition and selecting appropriate calibration standards.

Performing Thickness Calibration

Detailed step-by-step guide for performing thickness calibration.

3.3 Velocity Calibration Procedure

Launching and Performing Velocity Calibration

Steps to initiate and complete velocity calibration by inputting material velocity.

Velocity Calibration Notes

Notes on velocity calibration, including the absence of a thickness standard requirement.

Configuration: Units, Resolution, Orientation

Setting Measurement Units and Resolution

Configuring measurement units (inch/mm) and display resolution levels.

Reversing Display Orientation

How to flip the display orientation for probe-up or probe-down use.

3.6 Probe Replacement and Recalibration

Probe Replacement Procedure

Step-by-step guide for replacing the instrument's probe assembly.

Importance of Recalibration After Replacement

Emphasizes the need to recalibrate after replacing the probe.

Advanced Setup: Lockout and Rotation

3.7 Disabling Instrument Controls (Lockout)

How to activate SAFE mode to lock instrument controls.

3.8 Rotating the Display Housing

Instructions on how to physically rotate the display housing.

Measuring Thickness with PocketMIKE

Temperature Warnings and Operation

Information on operating temperature limits and the "Hot" warning.

Pre-Measurement Calibration and Preparation

Essential steps before measuring, including calibration and surface prep.

Step-by-Step Thickness Measurement

Detailed step-by-step guide for performing thickness measurements.

Measurement Execution Details

Couplant Application and Transducer Positioning

Proper couplant application and transducer placement for accurate readings.

Couplant Approval and Damage Note

Note on using only approved couplants to avoid instrument damage.

Specifications and Compliance

5.1 Product Specifications

Technical specifications of the PocketMIKE instrument, including probe, range, and temperature.

5.2 EC Declaration of Conformity

Declaration of the product's compliance with relevant EC directives.

Further PocketMIKE Specifications

Battery Life, Weight, Dimensions, Environmental

Details on battery life, instrument weight, dimensions, and environmental rating.

Application Considerations for Testing

Material Consistency and Accuracy

Factors related to material consistency that affect measurement accuracy.

Flaws and Surface Condition Impact

How internal flaws and surface condition affect thickness readings.

Measuring on Curved Surfaces

Considerations for measuring thickness on curved surfaces.

Curved Surface Measurement Technique

Crosstalk Barrier Orientation on Tubes

How to orient the probe's crosstalk barrier on curved surfaces like tubes.

PocketMIKE Troubleshooting Guide

Unit Power and Measurement Instability

Solutions for when the unit does not turn on or measurements are unstable.

Measurement Errors and Coupling Issues

Solutions for obvious measurement errors and problems obtaining probe coupling.

Warranty and Service Information

8.1 Product Warranty Details

Details of the manufacturer's warranty for instruments and transducers.

Warranty Limitations and Exclusions

Specific limitations and conditions under which the warranty does not apply.

8.2 Service and Support

Required Information for Service

Information needed when sending the unit for repair or recertification.

Service Department Contact Information

Addresses for sending the unit to the service department in the US and Germany.

Shipping and Repair Warranty

Safe Shipping and Packaging

Recommendations for packaging the unit safely for transit.

Warranty on Repair Services

Information on the warranty provided for repairs performed by the service department.

Appendix: Material Data

Typical Sound Velocities Table

Table of typical sound velocities for common materials.

Velocity Data Disclaimer

Note that typical values may not precisely match actual material velocity.

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