HT D40 User Manual
Copyright HT ITALIA 2013 Release EN 1.00 - 09/09/2013
ENGLISH
User manual
DM40
EN - 1
Table of contents
1. PRECAUTION AND SAFETY MEASURES………………… 2
2. PREPARATION FOR USE……………………………………. 4
2.1. Initial checks ................................................................................ 4
2.2. Instrument power supply ............................................................. 4
2.3. Storage ........................................................................................ 4
3. INSTRUMENT DESCRIPTION……………………………….. 5
3.1. Description of the controls ........................................................... 5
3.2. Display description ...................................................................... 6
3.3. General description of the instrument ......................................... 7
4. OPERATING INSTRUCTIONS……………………………….. 8
4.1. Initial operations and settings ...................................................... 8
4.2. Setting of measuring reference ................................................... 8
4.3. Distance measurement ............................................................... 9
4.4. Continuous distance measurement ............................................. 9
4.5. Additions / subtractions of measures ........................................ 10
4.6. Area measurement .................................................................... 11
4.7. Volume measurement ............................................................... 12
4.8. Indirect 2-point measurement .................................................... 13
4.9. Indirect 3-point measurement .................................................... 14
4.10. Operations with the memory ..................................................... 15
5. MEASURING CONDITIONS………………………………… 16
6. REPLACING INTERNAL BATTERIES……………………... 16
7. ERROR MESSAGES ON THE DISPLAY………………….. 17
8. TECHNICAL SPECIFICATIONS……………………………. 18
8.1. Technical characteristics ........................................................... 18
8.2. Reference standards ................................................................. 18
9. ACCESSORIES PROVIDED………………………………... 18
10.SERVICE………………………………………………………. 19
10.1. Warranty conditions ................................................................... 19
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1. PRECAUTION AND SAFETY MEASURES
The instrument has been designed in compliance with
the directives relevant to electronic measuring
instruments. For your safety and in order to prevent
damaging the instrument, please carefully follow the
procedures described in this manual and read all notes
preceded by the symbol
with the utmost attention.
CAUTION
In case the instrument is used in a way
different from the one described in this
user manual, this could result in a
failure of the protections the instrument
is provided with.
CAUTION
When this symbol is displayed, the
instrument is not able to emit a laser
pointer. Always prevent the laser
from radiating to your eyes, in order
to prevent any injury. Class II laser
device compliant with EN 60825-1
DM40
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In this manual, and on the instrument, the following
symbols are used:
Warning: observe the instructions given in
this manual; improper use could damage
the instrument or its components
Warning: always prevent the
laser from radiating to your eyes,
in order to prevent any injury
The instrument and its
accessories must be collected
separately and correctly
disposed of in the appropriate
containers
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2. PREPARATION FOR USE
2.1. Initial checks
Before shipping, the instrument has been checked
from an electric as well as mechanical point of view.
All possible precautions have been taken so that it is
delivered undamaged.
However, we recommend generally checking the
instrument in order to detect possible damage suffered
during transport. In case anomalies are found,
immediately contact the forwarding agent.
We also recommend checking that the packaging
contains all components indicated in § 9. In case of
discrepancy, please contact the Dealer.
In case the instrument should be returned, please
follow the instructions given in § 10.1
2.2. Instrument power supply
The instrument is supplied with two 1.5V AAA LR03
batteries, included in the package. Battery life equals
about 5000 measurements. The “
“ symbol
flashes on the display when the battery is flat. Replace
the battery by following the instructions given in § 6
2.3. Storage
In order to guarantee precise measurement, after a
long storage time under extreme environmental
conditions, wait for the instrument to come back to
normal condition (see § 8.1). Given its simplicity, the
instrument does not need any periodic calibration.
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3. INSTRUMENT DESCRIPTION
3.1. Description of the controls
Fig. 1: Instrument description
Caption Description
1 ON/MEAS key
2 Area/Volume key
3 Key for indirect distance measurement
4
Key for single/continuous distance
measurement
5 “+” key
6 “-” key
7 Key for saving measurement results
8 Reference setting key
9 Backlight/Measuring unit key
10 OFF/CLR key
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