Olympus 38DL PLUS User Manual

DMTA-10004-01EN, Rev. D, November 2016
Chapter 12 218
The thickness readings at this point may not be accurate because a proper zero offset
for the transducer has not yet been set.
c) Couple the transducer to the thinnest test block step.
d) If necessary, press [GAIN] to adjust the gain so that the instrument properly
detects the back-wall echo.
e) If necessary, adjust the extend blank so that the gage is making proper
detection on the back-wall signal (see “Blanking Adjustments in Manual
Echo-to-Echo Detection Mode” on page 83).
f) Ensure that the instrument properly detects echoes on all test block steps.
4. Activate the V-path function (see “Activating the V-Path Function” on page 216
for details).
5. Couple the transducer to a thick sample representing the thickest material that
you will measure.
6. Press [CAL VEL].
7. In the help text bar, select YES to the VPath Calibration? prompt (see Figure 12-4
on page 218).
Figure 12‑4 Answering YES at the V‑path calibration prompt
8. While the transducer is coupled to the thick sample and getting a steady thickness
reading, press [ENTER].
9. In the V‑PATH CALIBRATION screen, edit the point 1 value to match the known
thickness (see Figure 12-5 on page 219).
NOTE

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