Olympus 38DL PLUS Basic Operation Manual

DMTA-10009-01EN [U8778346], Rev. D, November 2016
Table of Contents v
5.2.1 Calibrating the Instrument ........................................................................... 67
5.2.2 Test Blocks ....................................................................................................... 70
5.2.3 Transducer Zero Compensation .................................................................. 70
5.2.4 Material Sound Velocity and the Zero Calibrations ................................. 71
5.2.5 Entering a Known Material Sound Velocity .............................................. 72
5.2.6 Locked Calibrations ....................................................................................... 73
5.2.7 Factors Affecting the Performance and the Accuracy .............................. 73
5.3 Measuring Thicknesses ............................................................................................ 75
5.4 Saving Data ................................................................................................................ 76
5.5 Measurements with THRU-COAT D7906 and D7908 Transducers .................. 78
5.5.1 Enabling the THRU-COAT Function .......................................................... 78
5.5.2 Performing a THRU-COAT Calibration ..................................................... 79
5.6 Echo Detection Modes with Dual Element Transducers ..................................... 80
5.6.1 Blanking Adjustments in Manual Echo-to-Echo Detection Mode .......... 83
5.6.2 Dual Element Transducer Selection in Echo-to-Echo Modes .................. 84
5.6.3 Echo-to-Echo Mode Datalogger Flags ......................................................... 85
5.7 Using the VGA Output ............................................................................................ 86
Appendix: Technical Specifications ............................................................. 87
List of Figures ................................................................................................... 95
List of Tables ..................................................................................................... 97
Index ................................................................................................................... 99

Olympus 38DL PLUS Specifications

General

Operating Temperature	-10 °C to 50 °C (14 °F to 122 °F)
Data Logger	Yes
Interface	USB, RS-232
Thickness Range	0.08 mm to 635 mm (0.003 in. to 25 in.) depending on material and transducer
Display	Backlit LCD
Battery Type	Three alkaline or NiMH AA cells
Pulser	Adjustable square wave pulser
Receiver Bandwidth	0.5 MHz to 20 MHz
Languages	English, French, German, Spanish, Italian, Russian, Japanese, Chinese
Resolution	0.001 mm or 0.0001 in.
Transducer Frequency	2 MHz to 30 MHz
Material	Plastic housing