Distance Measurement With Thresholds - Ht Instruments Idm70 Bedienungsanleitung

4.12. Distance measurement with thresholds

The instrument measures distance continuously by
fixing two thresholds (a) and (b) in order to precisely
define the position of objects along a radial line
1. With the instrument in stand-by, press the
select the type of reference (see § 4.2)
2. Press and hold the
the measuring section with dimensions. A flashing
indication of the size (a) appears on the display
3. Use the
between 5cm and 60m. Keep the keys pressed to
carry out a quick setting of the values. Confirm the
value of size (a) with key
the size (b) appears on the display
4. Use the
between 5cm and 60m. Keep the keys pressed to
carry out a quick setting of the values. Confirm the
value of size (b) with key
the dimension (a) appears on the display
5. Press the
measure. The value of distance in real time is shown
on the resulting display
6. Slowly move the instrument along the radial line,
observing the measured value (see Fig. 13). The
instrument shows the arrows  or  to indicate the
direction in which to proceed and starts sounding at
a distance of 0,1m from the thresholds (a) and (b)
fixed, giving out a continuous sound when threshold
is reached. Measurement has a duration of approx.
1 minute and may be stopped by pressing the
or key
Fig. 13: Distance measurement with thresholds
or keys to set the value of size (a)
or keys to set the value of size (b)
key or the side MEAS key to
EN - 18
key for 2 seconds to enter
. A flashing indication of
. A flashing indication of
iDM70
key to