Elcometer MTG6 Gebrauchsanleitung Seite 9

4 GETTING STARTED (continued)
4.6 SELECTING THE MEASUREMENT MODE
Three measurement modes are available for selection; 'Pulsed Echo',
'Echo-Echo ThruPaint™' and 'Velocity Mode'. For an explanation of
the different modes, see Table 1: Measurement Modes.
To select the measurement mode, press
Menu/Setup/Reading/Measurement Mode.
Measurement
Mode
Pulsed Echo
(PE)
Echo-Echo
ThruPaint™
(EE)
Velocity
Mode (VM)
Note: The gauge should be re-calibrated when the measurement mode is changed -
see Section 8 'Calibrating your Gauge' on page en-14. The calibration icon will
flash intermittently to indicate that re-calibration is required.
4.7 SELECTING THE MEASUREMENT UNITS
A choice of measurement units is available, depending on the
measurement mode selected, see Table 2: Measurement Units.
To select the measurement units, press Menu/Setup/Units.
b
Thickness range is dependent on the material being measured and the transducer used.
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TABLE 1: MEASUREMENT MODES
Icon Description
P-E The total thickness from the base of the transducer
to the material density boundary (typically the
back-wall) is measured. Suitable for measurement
of materials between 0.63mm and 500mm
(0.025" to 20") thick.
E-E A coating of up to 2.0mm (0.08") thick is ignored
and the material thickness from the top surface of
the material to the material density boundary
(typically the back-wall) is measured. Suitable for
measurement of materials between 2.54mm and
20mm (0.100" to 0.787")
VM Measures the speed of sound of the material.
Ideal for measuring the homogeneity of a
material/alloy.
b
b
thick.
R
en-8