HT THT32 User Manual

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Copyright HT ITALIA 2016 Version EN 1.01 - 25/03/2016
ENGLISH
User manual
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Table of contents:
1 PRECAUTIONS AND SAFETY MEASURES ........................................................................... 2
1.1 During use ........................................................................................................................................ 2
1.2 After use ........................................................................................................................................... 2
2 GENERAL DESCRIPTION ....................................................................................................... 3
3 PREPARATION FOR USE ....................................................................................................... 4
3.1 Initial checks ..................................................................................................................................... 4
3.2 Instrument power supply .................................................................................................................. 4
3.3 Calibration ........................................................................................................................................ 4
3.4 Storage ............................................................................................................................................. 4
4 NOMENCLATURE .................................................................................................................... 5
4.1 Description of the instrument ........................................................................................................... 5
4.2 Description of function keys ............................................................................................................. 7
4.2.1 Menu/ key ...................................................................................................................................... 7
4.2.2 Enter key ............................................................................................................................................ 7
4.2.3 Keys , , ,................................................................................................................................ 7
4.2.4 T key (Trigger) ................................................................................................................................... 7
4.2.5 Inserting the micro SD Card .............................................................................................................. 7
5 OPERATING INSTRUCTIONS ................................................................................................. 8
5.1 Description of the main interface ...................................................................................................... 8
5.1.1 Adjusting the distance of the object in Blending Fusion function ....................................................... 8
5.2 General menu description ................................................................................................................ 9
5.2.1 Menu EMS ......................................................................................................................................... 9
5.2.2 Menu UNIT ...................................................................................................................................... 10
5.2.3 Menu MAXMIN ................................................................................................................................ 11
5.2.4 Menu PLT ........................................................................................................................................ 11
5.2.5 Menu DATE ..................................................................................................................................... 12
5.2.6 Menu MEMORY ............................................................................................................................... 13
5.2.7 Menu BGT ....................................................................................................................................... 13
5.2.8 Menu ALARM .................................................................................................................................. 14
5.2.9 Menu DISPLAY ................................................................................................................................ 15
5.2.10Menu DIST ....................................................................................................................................... 15
5.2.11Menu LANG ..................................................................................................................................... 16
5.2.12Menu INFO ...................................................................................................................................... 16
5.3 Using the instrument ...................................................................................................................... 17
5.4 Transferring the images onto the PC ............................................................................................. 17
6 MAINTENANCE ...................................................................................................................... 18
6.1 General information ........................................................................................................................ 18
6.2 Recharging the internal battery ...................................................................................................... 18
6.3 Cleaning the instrument ................................................................................................................. 18
6.4 End of life ....................................................................................................................................... 18
6.5 Accessories .................................................................................................................................... 18
6.5.1 Accessories provided ....................................................................................................................... 18
7 TECHNICAL SPECIFICATIONS ............................................................................................. 19
7.1 Environment ................................................................................................................................... 19
7.1.1 Environmental conditions for use ..................................................................................................... 19
8 ASSISTANCE ......................................................................................................................... 20
8.1 Warranty conditions ........................................................................................................................ 20
8.2 Assistance ...................................................................................................................................... 20
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1 PRECAUTIONS 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 symbol with the utmost attention. Before and after carrying out the measurements, carefully observe the following instructions:
CAUTION
Do not carry out any measurements in case gas, explosive materials or
flammables are present, or in humid or dusty environments.
Do not carry out any measurement in case you find anomalies in the
instrument such as deformation, breaks, substance leaks, absence of display on the screen, etc.
Keep the instrument steady during any measuring operation. Do not carry out any measurements which exceed the working and storage
temperature ranges specified in § 7.1.1.
Only the accessories provided together with the instrument will guarantee
safety standards. They must be used only if in good conditions and replaced with identical models, when necessary.
Check that the battery is correctly inserted. Check that the LCD display gives indications consistent with the function
selected.
Do not direct the instrument at very high intensity radiation sources (e.g. the
sun) in order to prevent damaging the IR sensor.
Prevent hits or strong vibrations in order to keep the instrument from
damage.
When bringing the instrument from a cold to a hot environment, leave it on
long enough for condensation water to evaporate.
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.
Compliant with European Standards
1.1 DURING USE
CAUTION
Failure to comply with the caution notes and/or instructions may damage
the instrument or be a source of danger for the operator.
Use the instrument only in the temperature ranges indicated in § 7.1.1.
1.2 AFTER USE
When measurement is complete, switch off the instrument. If the instrument is not to be used for a long time, remove the battery.
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2 GENERAL DESCRIPTION
The instrument is a digital thermal camera capable of carrying out infrared temperature measurements of objects and providing thermographic images. It is also very easy to use and needs little maintenance.
The main characteristics of the instrument are:
Infrared temperature measurement ranging from -20°C to 300°C Built-in photo camera for a visual image Blending Fusionfunction  3 measuring cursors 6 standard colour palettes Automatic detection of hot/cold spots of the image Storage of BMP images on external micro SD card IR sensor resolution: 32x31pxl USB port for PC connection and image transfer Rechargeable Li-ION battery
Some applications of the digital thermal camera are:
Predictive and preventive maintenance of electrical and mechanical appliances Monitoring of the temperature of working processes Maintenance and troubleshooting on forced ventilation ducts Domestic/industrial use in troubleshooting room insulation problems Safety problems
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3 PREPARATION FOR USE
3.1 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 §
6.5. In case of discrepancy, please contact the Dealer. In case the instrument should be returned, please follow the instructions given in § 8
3.2 INSTRUMENT POWER SUPPLY
The instrument is supplied by 1x3.7V rechargeable Li-ION battery with AC mains power supply, which also provides for the recharge of the mentioned battery. Both of these systems are provided together with the instrument. For battery recharge, please refer to §
6.2.
3.3 CALIBRATION
The instrument has the technical specifications described in this manual. The instrument's performance is guaranteed for one year.
3.4 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 §
7.1.1).
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4 NOMENCLATURE
4.1 DESCRIPTION OF THE INSTRUMENT
Fig. 1: Description of the instrument's front and backside
CAPTION:
1 LCD display 2
Function keys Menu/
, Enter, , , , 3 Grip 4 In-built visual photo camera 5 IR sensor 6 USB port for connecting AC adapter/battery charger 7 Trigger key (T) 8 Battery compartment cover
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Fig. 2: Description of the instruments side
CAPTION
6 USB port for connecting AC adapter/battery charger 7 Trigger key (T) 8 Battery compartment cover 9 Hole for tripod insertion
Fig. 3: Description of the instrument's inputs and outputs
CAPTION
1 Inside of the battery compartment 2 Slot for micro SD card insertion 3 Battery insertion section
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4.2 DESCRIPTION OF FUNCTION KEYS
The instrument is provided with 6 function keys indicated as Menu/ , Enter, , , , and with a trigger key T.
4.2.1 Menu/ key
Press the Menu/ key to switch on the instrument. The instrument shows the normal measuring screen. To switch off the instrument, press and hold for 2 seconds the Menu/ key. With the instrument switched on, press the Menu/ key to enter/exit the general menu (see §)
4.2.2 Enter key
Pressing the Enter key allows entering the programming section an saving the value of system parameters in the instruments general menu (see §).
4.2.3 Keys , , ,
The arrow keys ,,, allow setting system parameters in the instruments general menu, and defining percentage and distance of the Blending Fusionfunction (see §). The arrow keys ,,, also allow scrolling through the images saved in the micro SD card (see §).
4.2.4 T key (Trigger)
Pressing the trigger key T found on the front part of the instrument allows activating the Data HOLD function (freezing an image on the display) in order to save it in the micro SD card (see §).
4.2.5 Inserting the micro SD Card
To insert the micro SD card, proceed as follows:
1. Open the battery compartment cover (see Fig. 1 part 8)
2. Insert the micro SD card into the dedicated slot inside the battery compartment (see Fig. 3 part 2)
3. Note the “
” symbol at display
4. Restore the battery compartment cover to its position.
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5 OPERATING INSTRUCTIONS
5.1 DESCRIPTION OF THE MAIN INTERFACE
The instrument shows the following main interface on the display:
Fig. 4: Main instrument interface
The meaning of the symbols found on the display is described below.
Symbol Description
=0.95
Set value of object emissivity (see § 5.2.1)
13:55
Indication of the system's current time Indication of fitted micro SD card
Indication of battery charge level Indication of distance in Blending Fusionfunction (see § 5.1.1)
32.0°C
Indication of the temperature value associated with the central steady cursor
Palette
Indication of colour palette (see § 5.2.4) Cursor (red) associated with the Maximum temperature of the image on
the display. Cursor (green) associated with the Minimum temperature of the image on the display.
5.1.1 Adjusting the distance of the object in Blending Fusion function
The instrument is provided with the Blending Fusionfunction, which allows aligning the infrared and the visual image. This function is therefore especially useful in the instant search of heat maps found on the surface of the framed object. Due to the different position of the lens and of the built-in photo camera, when the object is close to the lens, the visual image tends to become bigger, while the IR image tends to reduce. When the object is more than 2m far from the lens, this effect tends to disappear. The instrument allows setting the distance of the object in order to compensate the effect at distances shorter than 2m. Proceed as follows:
1. Frame the object to be measured
2. Use the arrow keys or to adjust the infrared/visual image mixing percentage from 0% to 100% in steps of 25%.
3. Use the arrow keys or to set the value of distance between lens and object. The following values are available: 0.5m (1.6ft), 1m (3.3ft), 2m(6.6ft) and 3m(9.8ft)
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5.2 GENERAL MENU DESCRIPTION
By pressing the Menu/ key, the instrument shows the following general menu, which allows accessing the internal functions:
Fig. 5: Instrument general menu
5.2.1 Menu EMS
In this section, it is possible to set the values of parameter Emissivity of the material of the object to be measured. In order to carry out accurate temperature measurements, it is important to define the correct emissivity value (), which represents the ability of a body to emit infrared radiation, according to the kind of material the measured object is made of. Table 1 shows the emissivity values for the most common materials. Emissivity takes values between 0 (mirror or perfectly reflecting surface) and 1 (perfectly radiating black body). Most of the painted or oxydized surfaces have an emissivity value of approximately
0.95.
Material Emissivity
Water 0.96 Stainless steel 0.14 Aluminium foil 0.09
Asphalt 0.96
Cement 0.97
Cast iron 0.81
Rubber 0.95
Wood 0.85
Bricks 0.75
Tape 0.96
Brass foil 0.06 Human skin 0.98 PVC plastic 0.93
Polycarbonate 0.80
Oxydized Copper 0.78
Rust 0.80 Paint 0.90 Earth 0.93
Table 1: Emissivity values of typical materials
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1. Select the item EMSwith keys or and press the Enter key. The screen in Fig. 6
Right side appears on the display.
Fig. 6: Emissivity adjustment
2. Use the keys or to set the desired emissivity value between 0.01 an 1.00
3. Press the Enterkey to confirm an the Menu/ key to go back to the instruments main screen.
5.2.2 Menu UNIT
In this section it is possible to define the temperature measuring unit used by the instrument.
1. Select the item UNITwith keys or and press the Enter key. The screen in Fig. 7 appears on the display.
Fig. 7: Setting the temperature measuring unit
2. Use the  or  keys to set the measuring unit between options “°C” and “°F”.
3. Press the Enterkey to confirm an the Menu/ key to go back to the instruments main screen.
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5.2.3 Menu MAXMIN
In this section it is possible to enable/disable the display of cursors MAXand MIN corresponding to the hottest (coloured in red) an coldest (coloured in green) spots of the image on the display.
1. Select the item MAXMINwith keys  or  and press the Enter key. The screen in Fig. 8 appears on the display.
Fig. 8: Setting of MAX and MIN display
2. Press the Enter key to enable () or disable x” the display of MAX and MIN values on the display.
3. Press the Menu/ key to confirm, go back to the general menu and to the instruments main screen.
5.2.4 Menu PLT
In this section it is possible to select the colour palette which can be associated to the IR image.
1. Select the item TAVwith keys or and press the Enter key. The screen in Fig. 9 appears on the display.
Fig. 9: Setting the colour palette
2. Use the  or  keys to set the colour palette among the following options: Grey1, Grey2, Ironbow, Rainbow, HiCont (high contrast), Metal
3. Press the Enterkey to confirm an the Menu/ key to go back to the instruments main screen.
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5.2.5 Menu DATE
In this section it is possible to set the systems date/time on the instrument.
1. Select the item DATEwith keys or and press the Enter key. The screen in Fig. 10 appears on the display.
Fig. 10: System date/time setting Initial selection
2. Use the  or  keys to select the options “Dateor Timeand press the Enter key to confirm. The following screen appears on the instrument's display:
Fig. 11: System date/time setting
Configuration
3. Press the Enter key to move within the date and time fields.
4. Use the  or  keys to set the date with format “YYYY-MM-DDand time with format 24H HH-MM.
5. Press the Menu/ key to confirm, go back to the general menu and to the instruments main screen.
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5.2.6 Menu MEMORY
In this section it is possible to recall on the display and delete the images saved on the micro SD card inserted in the instrument.
1. Select the item MEMORYwith keys or and press the Enter key. The screen in Fig. 12 appears on the display.
Fig. 12: Display of images saved in the memory
2. The screen in Fig. 12 Middle appears in case the micro SD card is empty (no image saved) or if no micro SD card has been inserted.
3. The screen in Fig. 12 Right side appears when a saved image is recalled on the display. The number at the top of the display indicates the memory location of the saved image.
4. Use the  or  keys to scroll the images saved in the micro SD card.
5. Press the Enter key on the image recalled on the display. The symbol of the bin is shown at the bottom of the display (see Fig. 12 Right side).
6. Press the Enter key to confirm deletion of the image.
7. Press the Menu/
key to go back to the general menu and to the instruments main
screen.
5.2.7 Menu BGT
In this section, it is possible to set the value of reflected temperature on the instrument. Objects with a low emissivity may reflect infrared energy coming from adjacent objects; this energy is added to the energy of the object itself, thus causing possible measurement mistakes. In several situations, there are sources of heat with a higher temperature than the temperature found near the object being measured. In this case, it is necessary to compensate this reflected energy by entering the presumed temperature value of the adjacent heat source into the thermal camera. In most of the applications, the reflected temperature is identical to the environmental temperature and has negligible effects on temperature measurement on objects with a high emissivity.
1. Select the item
BGTwith keys  or  and press the Enter key. The screen in Fig. 13
appears on the display.
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Fig. 13: Reflected temperature setting
2. Use the  or  keys to set the desired reflected temperature value.
3. Press the Enterkey to confirm an the Menu/ key to go back to the instruments main screen.
5.2.8 Menu ALARM
In this section, it is possible to set the high or low threshold values associated with the acoustic alarm conditions on temperature measurements.
1. Select the item ALARMwith keys or and press the Enter key. The screen appears on the display.
Fig. 14: Setting of alarm thresholds on measurements
2. Use the  or  keys to select the options
Highor Lowand press the Enter key to
confirm. The screen in Fig. 14 Middle appears on the display.
3. Use the  or  keys to set the values of “Highor Lowalarm thresholds in a range - 20°C 300°C and the Enter key to enable the function. In these conditions, the instruments alarm sounds when measured temperature is higher than the High threshold or lower than the Lowthreshold.
4. Press the Menu/
key to go back to the general menu and to the instruments main
screen.
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5.2.9 Menu DISPLAY
In this section, it is possible to adjust the brightness of the display.
1. Select the item DISPLAYwith keys or and press the Enter key. The screen appears on the display.
Fig. 15: Setting display brightness
2. Use the  or  keys to reduce or increase the brightness of the display.
3. Press the Menu/ key to confirm, go back to the general menu and to the instruments main screen.
5.2.10 Menu DIST
In this section, it is possible to set the measurement unit of distance associated with the
Blending Fusionfunction (see § 5.1.1).
1. Select the item DISTwith keys or and press the Enter key. The screen appears on the display.
Fig. 16: Setting the distance for Blending Fusionfunction
2. Use the  or  keys to set the measuring unit between options “m” and “ft”
3. Press the
Enterkey to confirm an the Menu/ key to go back to the instruments
main screen
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5.2.11 Menu LANG
In this section it is possible to set the system language.
1. Select the item LANGwith keys or and press the Enter key. The screen appears on the display.
Fig. 17: System language setting
2. Use the  or  keys to select the system language among the available options.
3. Press the Enterkey to confirm and the Menu/ key to go back to the instruments main screen
5.2.12 Menu INFO
In this section it is possible to read the general information of the instrument and the residual memory space of the fitted micro SD card.
1. Select the item INFOwith keys or and press the Enter key. The screen appears on the display.
Fig. 18: Visualization of instrument’s information
2. The followed information are shown at display:
Instrument model Instrument serial number Date of last calibration Internal firmware version Residual memory space of the micro SD card fitted inside instrument
3. Press the Menu/ key to go back to the instruments main screen.
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5.3 USING THE INSTRUMENT
1. Switch on the instrument by pressing the Menu/ key. The instrument shows the initial
screen for a few seconds, then it shows the instruments main screen.
2. The typical application of thermal cameras is the one in which it is necessary to detect
a temperature difference between two adjacent objects, as this kind of analysis is often sufficient to identify heat maps, anomalies in electrical and mechanical appliances, etc. In these situations, in which it is not strictly necessary to obtain an accurate temperature measurement, you can set emissivity value to 1(see § 5.2.1).
3. Enable detection of MAX and MIN temperature values of the image (see § 5.2.3), the
distance/percentage level of the Blending Fusionfunction (see § 5.1.1) and the desired colour palette (see § 5.2.4).
4. Frame the objects to be measured. The instrument displays the temperature values
associated with the measuring cursors.
5. Use the trigger key T to freeze the image. The following screen appears on the display:
Fig. 19: Image saving
6. Press the Enter key to save the image on the micro SD card. The instrument saves the
images in a sequence with file name IMGxxxxx.BMP. Otherwise, press the Menu/ key to unfreeze the image without saving it.
7. Enter the
MEMORYmenu (see § 5.2.6) to see the saved images again.
5.4 TRANSFERRING THE IMAGES ONTO THE PC
The instrument allows saving the images on an external micro SD card and transferring them onto the PC by using the USB cable. Both the micro SD card and the cable are provided with the instrument. Proceed as follows:
1. Insert the micro SD card into the dedicated slot inside the battery compartment (see
Fig. 3
Part 2).
2. Connect the USB cable to the instrument (see Fig. 2 Part 6) and to the PC.
4. In My Computer, search for the removable disk associated with the micro SD card
and copy the files IMGxxxxx.BMPof the desired images to a PC folder.
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6 MAINTENANCE
6.1 GENERAL INFORMATION
1. The instrument you purchased is a precision instrument. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use.
2. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight.
3. Always switch off the instrument after use. In case the instrument is not to be used for a long time, remove the battery to avoid liquid leaks that could damage the instruments internal circuits.
6.2 RECHARGING THE INTERNAL BATTERY
The instrument is designed to be supplied with a Li-ION rechargeable battery. With symbol
shown on the display, it is necessary to recharge the battery.
CAUTION
The battery must not be removed from the instrument while recharging. Recharge the battery at environmental temperature and, anyway, in a
range between 0°C and 50°C (32°F and 122°F).
When using the instrument for the first time, recharge the battery for at
least 6 hours.
1. Connect the battery charger provided with the instrument to the AC electric mains and the mini USB port to the instrument's input (see Fig. 2 Part 6). The symbol appears on the display
2. The charging process takes approximately 3 hours. When operation is complete, disconnect the battery charger from the instrument and from the electric mains, when the display shows the symbol of full battery charge.
6.3 CLEANING THE INSTRUMENT
Use a soft and dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc.
6.4 END OF LIFE
WARNING: this symbol found on the instrument indicates that the appliance, its
accessories and the batteries must be collected separately and correctly disposed of.
6.5 ACCESSORIES
6.5.1 Accessories provided
Rechargeable Li-ION battery Adapter AC/DC 100-240V/5V Micro SD card, 4GB + SD card reader USB cable Tripod ISO9000 calibration certificate User manual Transport case
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7 TECHNICAL SPECIFICATIONS
Range Sensitivity Accuracy Resolution Image frequency
-20°C300°C
<0.15°C
[2%rdg + 2°C]
32x31pxl 9Hz
General specifications Type of IR sensor UPC (Uncooled Pyroelectric Ceramic) Spectrum response: 6.5 14m Visual range (FOV) / Lens: 39° x 38° / 10mm Focusing: automatic Minimum focus distance: 0.5m Temperature readings: °C, °F Available colour palettes: 6 Emissivity correction: 0.01 ÷ 1.00 in steps of 0.01 Measuring functions: corrections according to emissivity and reflected
temperature Measuring cursors: 3 (Fixed, Max Temp., Min Temp.) Inbuilt photo camera: 48608pxl Blending Fusion function: mixing 0%  100% in steps of 25% Alarms on measurements: MAX and MIN thresholds Memory: micro SD card 4GB (>6000 BMP images) Max allowed micro SD card: 16GB PC interface: USB 2.0
Power supply
Internal supply: rechargeable Li-ION battery, 3.7V 1400mAh External supply: adapter 100-240VAC (50/60Hz)/5VDC Battery duration: 2 hours (stand-by) Auto Power OFF: after 10 minutes' idling
Display
Characteristics: colour, LCD, TFT 2.2
, 320x240pxl, high contrast
Mechanical characteristics
Size (L x W x H): 205 x 155 x 62mm (8 x 6 x 2in) Weight (battery included): 410g (14 ounces)
7.1 ENVIRONMENT
7.1.1 Environmental conditions for use
Operating temperature: 0°C ÷ 50°C (32°F ÷ 122°F) Storage temperature: -20°C ÷ 60°C (-4°F ÷ 140°F) Allowable relative humidity: 10 ÷ 90%RH
This instrument complies with Directive EMC 2004/108/EC
This instrument satisfies the requirements of European Directive 2011/65/EU (RoHS) and
2012/19/EU (WEEE)
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8 ASSISTANCE
8.1 WARRANTY CONDITIONS
This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product.
Should the instrument be returned to the After-sales Service or to a Dealer, transport will be at the Customer's charge. However, shipment will be agreed in advance. A report will always be enclosed to a shipment, stating the reasons for the product's return. Only use original packaging for shipment; any damage due to the use of non-original packaging material will be charged to the Customer. The manufacturer declines any responsibility for injury to people or damage to property.
The warranty shall not apply in the following cases:
Repair and/or replacement of accessories and battery (not covered by warranty). Repairs that may become necessary as a consequence of an incorrect use of the
instrument or due to its use together with non-compatible appliances.
Repairs that may become necessary as a consequence of improper packaging. Repairs which may become necessary as a consequence of interventions performed
by unauthorized personnel.
Modifications to the instrument performed without the manufacturer's explicit
authorization.
Use not provided for in the instrument's specifications or in the instruction manual. The content of this manual cannot be reproduced in any form without the manufacturer's
authorization.
Our products are patented and our trademarks are registered. The manufacturer reserves the right to make changes in the specifications and prices if this is due to improvements in technology.
8.2 ASSISTANCE
If the instrument does not operate properly, before contacting the After-sales Service, please check the conditions of the batteries and replace them, if necessary. Should the instrument still operate improperly, check that the product is operated according to the instructions given in this manual. Should the instrument be returned to the After-sales Service or to a Dealer, transport will be at the Customer's charge. However, shipment will be agreed in advance. A report will always be enclosed to a shipment, stating the reasons for the product's return. Only use original packaging for shipment. Any damage due to the use of non-original packaging material will be charged to the Customer.
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