Single Distance Measurement; Continuous Distance Measurement - Extech Instruments DT500 User Manual

Single Distance Measurement
1. Momentarily press the MEAS button to switch the meter ON; Dashes (‐ ‐ ‐) will appear on the
display and the Laser pointer will switch ON.
2. Aim the meter and momentarily press the MEAS button to take and display a reading. The
Laser pointer switches OFF after the measurement is taken.
3. The reading will remain on the display.
Continuous Distance Measurement
1. Press the MEAS button to switch the meter ON.
2. Press and Hold the MEAS button for 3 seconds to begin a continuous measurement session.
The meter will beep and the continuous laser display icon will appear (as shown in the
Display Description section of this guide).
3. Each subsequent press of the MEAS button takes a new distance measurement.
4. Switch the Continuous mode ON/OFF by pressing and holding the MEAS button for 3
seconds.
MAX‐MIN Continuous Measurement 'Tracking' Mode
This mode of operation is useful for determining the shortest and longest distances from a given
point. The meter can be moved to various targets while the display updates every half second on
the third display line. The MIN and MAX values are displayed dynamically on the first and second
display lines.
1. Press the MEAS button to switch the meter ON.
2. Press and Hold the MAX/MIN button for 3 seconds to begin a continuous measurement
session. The meter will beep, the laser pointer will stay in continuous mode, and the
continuous laser display icon will appear (as shown in the Display Description section of this
guide).
3. The meter will beep with each new measurement update (approx. every one half second).
4. The MIN reading will be indicated and will update each time a lower reading (lower than
the currently displayed
reading) is encountered.
5. The MAX reading will be
indicated and will update
each time a higher reading is
encountered.
6. The actual reading will be
indicated on the bottom
display line.
7. To exit this mode of operation, momentarily press the MEAS button.
8. Note that the meter exits to the normal mode of operation after approx. 100
measurements in continuous mode.
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