Testo Testo 865 Manual

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Analysis software
5 Commonwealth Ave Woburn, MA 01801 Phone 781-665-1400 Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
testo 865 - Thermal Imager
Instruction manual
testo IRSoft
Use the testo IRSoft software to analyze your thermal images extensively and in detail, and to create professional reports.
You can download the software free of charge and licence-free via the following link:
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Content
Content
1 Safety and waste disposal........................................................................... 5
1.1 Zu diesem Dokument ............................................................................. 5
1.2 Safety ..................................................................................................... 5
1.3 Waste disposal ....................................................................................... 7
2 Technical data .............................................................................................. 7
3 Description of the instrument ................................................................... 10
3.1 Use ....................................................................................................... 10
3.2 Instrument / operating elements overview ............................................ 10
3.3 Displays overview ................................................................................. 11
3.4 Power supply ........................................................................................ 12
4 Operation .................................................................................................... 13
4.1 Initial operation ..................................................................................... 13
4.2 Switching instrument on and off ........................................................... 13
4.3 Getting to know the menu .................................................................... 14
4.4 Quick select button ............................................................................... 14
5 Performing the measurement ................................................................... 16
5.1 Saving an image................................................................................... 17
5.2 Setting measuring functions ................................................................. 17
5.3 Image gallery ........................................................................................ 18
5.4 Setting the scale ................................................................................... 21
5.5 Setting emissivity and reflected temperature ........................................ 22
5.5.1 Selecting the emissivity ......................................................... 24
5.5.2 Customizing the emissivity .................................................... 24
5.5.3 Setting the RTC ..................................................................... 24
5.6 Selecting the colour palette .................................................................. 25
5.7 Activating the differential temperature .................................................. 25
5.8 Configuration ........................................................................................ 26
5.8.1 Settings .................................................................................. 26
5.8.2 SuperResolution .................................................................... 27
5.8.3 Save JPEG function ............................................................... 27
5.8.4 Ambient conditions ................................................................ 28
5.8.5 Info ......................................................................................... 28
5.8.6 Fullscreen mode .................................................................... 28
5.8.7 Reset options ......................................................................... 29
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Content
6 Maintenance ............................................................................................... 30
6.1 Charging the rechargeable battery ...................................................... 30
6.2 Changing the rechargeable battery ...................................................... 30
6.3 Cleaning the instrument ....................................................................... 32
6.4 Firmware Update ................................................................................. 33
6.4.1 Update with IRSoft ................................................................ 33
6.4.1.1 Prepare the Camera ............................................. 33
6.4.1.2 Execute Update .................................................... 33
6.4.2 Update with the camera ........................................................ 34
6.4.2.1 Prepare camera ................................................... 34
6.4.2.2 Execute Update .................................................... 34
7 Tips and assistance .................................................................................. 35
7.1 Questions and answers ....................................................................... 35
7.2 Accessories and spare parts................................................................ 36
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1 Safety and waste disposal

1 Safety and waste disposal

1.1 Zu diesem Dokument

The instruction manual is an integral part of the instrument.
Keep this document throughout the entire operating life of the instrument.
Always use the complete original instruction manual.
Please read this instruction manual through carefully and familiarise yourself
with the product before putting it to use.
Pass this instruction manual on to any additional or subsequent users of the product.
Pay particular attention to the safety instructions and warning advice in order to prevent injury and damage to the product.

1.2 Safety

General safety instructions
Only operate this instrument in the proper manner, for its intended purpose and within the parameters specified in the technical data.
Do not apply any force to open the instrument.
Do not operate the instrument if there are signs of damage on the housing,
mains unit or connected cables.
Always comply with the locally valid safety regulations when carrying out measurements. Dangers may also arise from objects to be measured or the measuring environment.
Do not store the product together with solvents.
Do not use any desiccants.
Only perform maintenance and repair work on this instrument that is
described in this documentation. Follow the prescribed steps exactly.
Use only original spare parts from Testo.
During operation, this instrument must not be pointed at the sun or other
intensive sources of radiation (e.g. objects with temperatures exceeding 280 °C). This can lead to serious damage to the detector. The manufacturer does not provide any warranty for any such damage to the microbolometer detector.
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1 Safety and waste disposal
WARNING
Indicates possible serious injury.
CAUTION
Indicates possible minor injury.
ATTENTION
Indicates possible damage to equipment.
Batteries
Improper use of batteries may cause the batteries to be destroyed, or lead to
injury due to current surges, fire or escaping chemicals.
Only use the batteries supplied in accordance with the instructions in the
instruction manual.
Do not short-circuit the batteries.
Do not take the batteries apart and do not modify them.
Do not expose the batteries to heavy impacts, water, fire or temperatures in
excess of 60 °C.
Do not store the batteries in the proximity of metal objects.
In the event of contact with battery acid: rinse affected areas thoroughly with
water, and if necessary consult a doctor.
Do not use any leaky or damaged batteries.
Only charge the rechargeable battery in the instrument or in the
recommended charging station.
Immediately stop the charging process if this is not completed in the given
time.
Take the rechargeable battery out of the instrument or the charging station
immediately if it is not functioning properly or if it shows signs of overheating. Rechargeable battery may be hot!
When not in use for a long period of time, take the rechargeable battery out
of the instrument to prevent exhaustive discharge.
Warnings
Always pay attention to any information denoted by the following warnings. Implement the precautionary measures specified!
Display Explanation
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2 Technical data

Infrared resolution
160 x 120
Thermal sensitivity (NETD)
120 mK
Field of view (FOV) / min. focusing distance
31° x 23° / <0.5 m Geometric resolution (IFOV)
3.4 mrad
SuperResolution
320 x 240 pixels / 2.1 mrad
IR image refresh rate
9 Hz
Focus
Fixed focus
Spectral range
7.5 - 14 µm
Display
8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)
Display options
Infrared image
USB 2.0 micro B
Colour palettes
4 options:

1.3 Waste disposal

Dispose of faulty rechargeable batteries and spent batteries in accordance with the valid legal specifications.
At the end of its useful life, dispose of the instrument via separate collection for electrical and electronic devices. Please observe local regulations regarding waste disposal, or alternatively return the product to Testo for disposal.
2 Technical data
Infrared image output
Feature Values
Image presentation
Feature Values
Interface
Iron
Rainbow HC
Cold-hot
Grey
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2 Technical data
Measuring range
-30 to 280 °C
Accuracy
± 2 °C / ± 2%
temperature adjustment
Measurement functions
Single point measurement
Fullscreen mode
Yes
File format
.jpg
Video streaming
USB
File format
.jpg
> 2000 images (without SuperResolution)
Battery type
Li-Ion rechargeable battery 2500 mAh / 3.7 V
Operating time
4.0 h @ 20 °C
Charging option
In instrument/in charging station (optional)
Measurement
Feature Values
Emissivity/reflected
0.01 to 1/manual
Coldspot
Hotspot
Differential temperature
ScaleAssist
IFOV warner
Imager equipment
Feature Values
Image storage
Feature Values
.bmt
Option of exporting in
.bmt .jpg .png .csv .xls
Memory capacity Internal mass storage 2.8 GB,
Power supply
Feature Values
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Charging time approx. 5 h via mains unit
approx. 8 h via a PC's USB interface
Operating temperature
-15 to 50 °C
Storage temperature
-30 to 60 °C
Humidity
20 - 80 %RH, not condensing
Weight
510 g (including battery)
Dimensions
219 x 96 x 95 mm
Housing
PC/ABS
Protection class (IEC 60529)
IP 54
Vibration (IEC 60068-2-6)
2 G
EMC
2014/30/EU
You can find the EU declaration of conformity on the testo homepage
Ambient conditions
Feature Values
Physical features
Feature Values
Standards, tests
Feature Values
www.testo.com under the product-specific downloads.
2 Technical data
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3 Description of the instrument

1
Display
Displays infrared images, menus and functions
2
Interface terminal
Contains micro USB interface for power supply and connection to the computer
3
- key
- Esc key
- Switch camera on and off
- Cancel action
4
- OK key
- Joystick
- Open menu, select function, confirm setting
select colour palette
3 Description of the instrument

3.1 Use

The testo 865 is a handy, robust thermal imager. You can use it to undertake the non-contact measurement and display of surface temperature distribution.
Areas of application
Building inspection: Energy efficiency rating of buildings (heating, ventilation,
air-conditioning trade, building engineers, engineering firms, experts)
Production monitoring / quality assurance: monitoring of production
processes
Preventive maintenance / servicing: Electrical and mechanical inspection of
systems and machines
3.2 Instrument / operating elements
overview
Element Function
10
- Navigate within the menu, highlight function,
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Element Function
5
Quick select button
Opens the function assigned to the quick select
displayed bottom right
protective cap
7
No function
- 8 Trigger
Saves the displayed image
9
Battery compartment
Contains the rechargeable battery
on the setting.
: Mains operation, battery is charging
3
Image display
IR image display
4
°C or °F
Unit set for reading and scale displays
button; the icon for the selected function is
3 Description of the instrument
6 Infrared camera lens;
Takes infrared images; protects the lens

3.3 Displays overview

Element Function
1 Status bar In the status bar, values are displayed depending
2
Battery capacity / charge status:
: Battery operation, capacity 75-100% : Battery operation, capacity 50-75% : Battery operation, capacity 25-50% : Battery operation, capacity 10-25% : Battery operation, capacity 0-10%
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3 Description of the instrument
5
Scale
- Temperature unit
manual scale adjustment)
6
S - ScaleAssist is enabled
7
E ...
Emissivity set
Element Function
- Grey characters: measuring range
- White characters: temperature margin of the image displayed, showing the minimum/maximum reading (with automatic scale adjustment) or the selected minimum/maximum display value (with
A, M or S A - automatic scale adjustment
M - manual scale adjustment

3.4 Power supply

The power is supplied to the instrument via a replaceable rechargeable battery or the mains unit provided (battery must be inserted).
With an attached mains unit, power is supplied automatically via the mains unit and the rechargeable battery is charged (only at ambient temperatures from 0 to 40°C).
If the instrument is switched off when connected to a PC via the USB interface, the rechargeable battery is charged via the USB interface.
It is also possible to charge the battery using a charging station (accessory).
The instrument is equipped with a buffer battery to maintain the system data during an interruption in the power supply (e.g. when the battery is changed).
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4 Operation

1
- Remove protective cap from the lens.
2
- Press .
happens. The image freezes briefly when this occurs. Zeroing is carried
4 Operation

4.1 Initial operation

Please read the testo 865 1st steps commissioning instructions supplied (0970 8652).

4.2 Switching instrument on and off

Switching on the camera
The camera starts.
The start screen appears on the display.
The camera carries out automatic zeroing approx. every 60 seconds in order to guarantee measuring accuracy. A "click" is heard when this
out more frequently during the camera warm-up period (takes approx. 90 seconds).
During the warm-up period no measuring accuracy is guaranteed. The image can already be used for indication purposes and saved.
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4 Operation
1
1
- Press OK to open the menu.
2
- Move the joystick down/up to
3
- Press OK to select the function.
3.1
- Move the joystick to the right to open the submenu (marked with >).
o Move the joystick to the menu bar and press OK.
Switching off the camera
- Press and hold down until the progress bar is complete.
The display goes off.
The camera is switched off.

4.3 Getting to know the menu

highlight a function (orange border).
- Return to the main menu:
o Move the joystick to the left or

4.4 Quick select button

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4 Operation
Image gallery
Opens an overview of saved images.
set to infrared)
is set to infrared)
Palette
is set to infrared)
1
- Move the joystick to the right.
2
- Move the joystick up/down until the
The quick select button is another navigation option that you can use to call up certain functions simply at the touch of a button.
Quick select menu items
Menu item Function
Scale: This function is only
available if the Image type is
Emissivity: This function is
only available if the Image type
Adjustment: This function is
only available if the Image type
Changing assignment
The Configure key selection menu appears.
The activated function is marked with a dot ( ).
orange box appears around the required menu item.
- Press OK
Set scale limits.
Set emissivity (E) and reflected temperature (RTC).
Toggles the palette selection.
Carries out manual zeroing.
The quick select button is assigned to the selected menu item.
The icon for the selected function is displayed bottom right.
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5 Performing the measurement

1
- Press .
Using the quick select button
The function assigned to the quick select button is carried out.
5 Performing the measurement
CAUTION
High thermal radiation (e.g. due to sun, fire, furnaces) Detector may be damaged!
- Do not point the camera at objects with temperatures > 280 °C.
Ideal framework conditions
Building thermography, investigating the building shell: Considerable temperature difference between inside and outside required (ideal: ≥ 15 °C / ≥ 27 °F).
Consistent weather conditions, no intensive sunlight, no precipitation, no strong wind.
To ensure maximum accuracy, the camera requires an adjustment time of 10 minutes after it is switched on.
Important camera settings
Emissivity and reflected temperature must be set correctly in order to precisely determine the temperature. Subsequent adjustment is possible via the PC software, if required.
When auto-scaling is activated, the colour scale is continuously adjusted to the min./max. values of the current measurement image. This means that the colour assigned to a specific temperature is changing constantly! To be able to compare multiple images based on the assigned colour, scaling must be set manually to fixed values, or must be subsequently adjusted to uniform values using the PC software.
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5 Performing the measurement
1
- Press Trigger.
1
- Open the Measurement submenu.
2
- Move the joystick up/down to select the required function and

5.1 Saving an image

The image is automatically saved.
If a higher resolution is required: in the menu under Configuration -> select SuperResolution for four times as many readings.

5.2 Setting measuring functions

The submenu with measurement functions opens:
Pixel mark:
o Single point measurement: the temperature measuring
point in the centre of the image is marked with white crosshairs and the value is displayed.
o Coldspot, Hotspot: the lowest or highest temperature
measuring point is marked with blue or red crosshairs and the value is displayed.
Differential temperature: identifies the difference between two
temperatures.
IFOV: the IFOV warner shows what can be measured accurately from a specific distance.
then press OK.
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5 Performing the measurement
1 - Infrared image preview
2
IR
SR
Infrared image
Images captured with SuperResolution
When SuperResolution is enabled, 2 images are saved in the image

5.3 Image gallery

Saved images can be displayed, analysed or deleted.
File names
Designation Explanation
000000
Consecutive number
File names can be changed via the PC, e.g. in Windows Explorer.
Displaying a saved image
Saved images can be viewed and analyzed in the image gallery.
gallery (an IR image, and an SR image). The high-resolution SuperResolution image is saved in the background. In the status bar, the number of SuperResolution images to be saved is displayed (for example: SR(1) ).
A maximum 5 SuperResolution images can be
processed simultaneously.
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5 Performing the measurement
1
- Select the Image gallery function.
2
- Move joystick to select an image.
3
- Press OK to open the selected image.
All saved images are displayed in the form of an infrared preview.
Analyzing an image
Saved images can be analyzed using the Single point measurement, Hotspot, Coldspot and Differential temperature measuring functions. In saved images the crosshairs, which mark the measuring point, can be moved using the joystick.
For a description of the individual functions, please read the information in the
The image is displayed.
relevant sections.
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5 Performing the measurement
1
- Select the Image gallery function.
2
- Move joystick to select an image.
3
- Press .
4
- Press OK to delete the image.
4.1
- Press Esc to cancel the process.
Deleting an image
All saved images are displayed in the form of an infrared preview.
Delete image? is displayed.
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5 Performing the measurement
Auto-scaling continuously adjusts the scale to the readings presented,
and outside temperature.
1
- Select the Scale function.
2
- Move the joystick up or down until Auto is selected and then press
1
- Select the Scale function.
2
- Press OK.
3
- In the mode menu, move the joystick up/down until Manual is
4
- Move the joystick to the right, select Min.Temp. (lower limit value).
4.1
- Move the joystick to the right, select Min.Temp. (lower limit value)

5.4 Setting the scale

Manual scaling can be activated instead of automatic scaling (continuous automatic adjustment to the current min./max. values). The scale limits can be set within the measurement range. The activated mode is displayed bottom right: A automatic scaling, M manual scaling and S OptiScale (ScaleAssist).
and the colour assigned to a temperature value changes. In manual scaling fixed limit values are defined, and the colour assigned to a temperature value is fixed (important for visual image comparisons). Scaling influences the way the infrared image is shown on the display but does not affect the recorded measuring values. With ScaleAssist, a standardized scale is set depending on the inside
Setting automatic scaling
OK.
Automatic scaling is activated. A is displayed bottom right.
Setting manual scaling
The lower limit value, the temperature range (upper and lower limit value simultaneously) and the upper limit value can be set.
selected.
- Move the joystick up/down to set the value.
and Max.Temp. (upper limit value).
- Move the joystick up/down to set the values.
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5 Performing the measurement
4.2
- Move the joystick to the right, select Max.Temp. (upper limit value).
4.3
- If necessary, move the joystick to the left, back to the mode menu.
5
- Press OK.
1
- Select the Scale function.
2
- Press OK.
3
- In the mode menu, move the joystick up/down until ScaleAssist is
4
- Move the joystick to the right, select Indoor temperature.
5
- Move the joystick to the right, select Outdoor temperature.
6
- If necessary, move the joystick to the left, back to the mode menu.
7
- Activate ScaleAssist: press Ok.
- Move the joystick up/down to set the value.
Manual scaling is activated. M is displayed bottom right.
Setting ScaleAssist
The ScaleAssist function calculates a display-neutral scale depending on the inside and outside temperature. This scale graduation can be used to detect building defects.
selected.
- Move the joystick up/down to set the value.
- Move the joystick up/down to set the value.
Manual scaling is activated. S is displayed bottom right.
5.5 Setting emissivity and reflected
temperature
This function is only available if the Image type is set to infrared image.
You can choose between user-defined emissivity and 8 materials with permanently set emissivity. The reflected temperature (RTC) can be set individually.
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5 Performing the measurement
Other materials can be imported into the instrument from an existing list
Aluminium, bright rolled (170 °C)
0.04
Cotton (20 °C)
0.77
Concrete (25 °C)
0.93
Ice, smooth (0 °C)
0.97
Iron, emery-ground (20 °C)
0.24
Iron with casting skin (100 °C)
0.80
Iron with rolling skin (20 °C)
0.77
Gypsum (20 °C)
0.90
Glass (90 °C)
0.94
Rubber, hard (23 °C)
0.94
Rubber, soft grey (23 °C)
0.89
Wood (70 °C)
0.94
Cork (20 °C)
0.70
Radiator, black anodised (50 °C)
0.98
Copper, slightly tarnished (20 °C)
0.04
Copper, oxidised (130 °C)
0.76
Plastics: PE, PP, PVC (20 °C)
0.94
Brass, oxidised (200 °C)
0.61
Paper (20 °C)
0.97
Porcelain (20 °C)
0.92
Black paint, matt (80 °C)
0.97
Steel, heat-treated surface (200 °C)
0.52
using the PC software.
Emissivity information:
The emissivity describes the capability of a body to emit electromagnetic radiation. This is material-specific and must be adapted for correct measurement results.
Non-metals (paper, ceramic, gypsum, wood, paints and coatings), plastics and food have high emissivity, which means that the surface temperature can be easily measured using infrared.
Because of their low or non-uniform emissivity, bright metals and metal oxides only have limited suitability for infrared measurement. Highly inaccurate measurements should be expected. A remedy for this is coatings that increase emissivity, e.g. paint or emission adhesive (accessory: 0554 0051), which must be applied to the object to be measured.
The following table gives typical emissivities of important materials. These values can be used as a guide for user-defined settings.
Material (material temperature) Emissivity
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5 Performing the measurement
Steel, oxidised (200 °C)
0.79
Clay, burnt (70 °C)
0.91
Transformer paint (70 °C)
0.94
Brick, mortar, plaster (20 °C)
0.93
1
- Select the Emissivity function.
2
- Move the joystick up/down to select the required material (with
1
- Select the Emissivity function.
2
- Move the joystick up/down until User defined is selected.
3
- Press OK.
1
- Select the Emissivity function.
2
- Move the joystick to the right until RTC is selected.
3
- Press OK.
Material (material temperature) Emissivity
Reflected temperature information:
Using this offset factor, the reflection is calculated out based on the low emissivity, and the accuracy of the temperature measurement with infrared measuring instruments is improved. In most cases, the reflected temperature is identical to the ambient air temperature. Only when objects with strong emissions at much lower temperatures (such as cloudless skies during outdoor readings) or much higher temperatures (such as ovens or machines) are in proximity to the object being measured should the radiation temperature of these sources be determined and used. The reflected temperature has little effect on objects with high emissivity.

5.5.1 Selecting the emissivity

permanently set emissivity) and then press OK.

5.5.2 Customizing the emissivity

- Move the joystick to the right until E is selected.
- Manually set value.

5.5.3 Setting the RTC

- Manually set value.
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5 Performing the measurement
1
- Select the Palette function.
2
- Move the joystick up/down to select the required colour palette and
1
- Open Menu.
2
- Move the joystick down and select Measurement. Then press OK or
3
- Move the joystick down and select Differential temperature. Then
4
- Move the joystick down/up and select which differential temperature
4.1
- Point-Point selection:
o End measurement: move the joystick to the right, press End.
4.2
- Point-Probe selection:
o End measurement: move the joystick to the right, press End.

5.6 Selecting the colour palette

This function is only available if the Image type is set to infrared image.
then press OK.

5.7 Activating the differential temperature

Differential temperature enables the temperatures between two measuring points to be calculated.
move the joystick to the right.
press OK.
is to be calculated (Point-Point, Point-Probe, Point-Value, Point-
Then press OK.
RTC).
o Move the joystick to the right -> select measuring point 1 ->
press OK -> move the measuring point to the live image using the joystick -> press OK.
o Move the joystick to the right -> select measuring point 2 ->
press OK -> move the measuring point to the live image using the joystick -> press OK.
o Move the joystick to the right -> select measuring point 1 ->
press OK -> move the measuring point to the live image using the joystick -> press OK.
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5 Performing the measurement
4.3
- Point-Value selection:
o End measurement: move the joystick to the right, press End.
4.4
- Point-RTC selection:
o End measurement: move the joystick to the right, press End.
1
- Select the Country settings function.
2
- Move the joystick up/down to select the required language and
1
- Select the Set time/date function.
2
- Move the joystick to the right/left to select the required setting option.
3
- Move the joystick up/down to set the value.
4
- After setting all values, press OK.
1
- Open the Temperature unit submenu. For how to proceed: see
o Move the joystick to the right -> select measuring point 1 ->
press OK -> move the measuring point to the live image using the joystick -> press OK.
o Move the joystick to the right, set the value manually.
o Move the joystick to the right -> select measuring point 1 ->
press OK -> move the measuring point to the live image using the joystick -> press OK.
o Move the joystick to the right, set the value manually.

5.8 Configuration

5.8.1 Settings

Country settings
The user interface language can be set.
then press OK.
Set time/date
Time and date can be set. The time and date format are set automatically based on the selected user interface language.
Temperature unit
The temperature unit can be set.
Getting to know the menu.
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5 Performing the measurement
2
- Move the joystick up/down to select the required unit and then
1
- Select the Power-save options function.
2
- Move the joystick up/down to select the required intensity level
1
- Open the SuperResolution function.
2
- Press OK to activate or disable the function.
1
- Open the Save JPEG function.
2
- Press OK.
3
- Move the joystick up/down until On/Off is selected.
press OK.
Power-save options
The illumination intensity of the display can be set. A lower intensity increases the battery life. The time until automatic switch-off can be set.
and then press OK.

5.8.2 SuperResolution

SuperResolution is a technology to improve image quality. Each time an image is recorded, a sequence of images is saved on the thermal imager and used to calculate an image with four times more readings, with the aid of the camera , the App or PC software (no interpolation). The geometric resolution (IFOV) is improved by a factor of 1.6. To use the function, the following conditions must be fulfilled:
The camera is hand-held.
The objects to be imaged do not move.

5.8.3 Save JPEG function

Infrared images are saved in BMT (image with all temperature data) format. The image can also be saved in JPEG format (without temperature data) at the same time. The image content corresponds to the infrared image shown on the display, including scale display and image marks for the selected measuring functions. The JPEG file is saved under the same file name as the associated BMT file and can be opened on the PC, even without using the IRSoft PC software.
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5 Performing the measurement
4
- Press OK.
5
- Add a date/time stamp to a JPEG file if required. Turn function on or
1
- Menu -> Configuration -> Ambient conditions
2
- Move the joystick up/down to set the temperature value.
3
- Move the joystick to the right.
4
- Move the joystick up/down to set the humidity value.
5
- Press OK.
1
- Select the Fullscreen mode function.
off for this.

5.8.4 Ambient conditions

Measurement deviations arising due to high humidity or large distances to the object to be measured can be corrected. Correction parameters must be entered for this. Values for ambient temperature (Temperature) and ambient humidity (Humidity) can be set manually.

5.8.5 Info

The following instrument information is displayed:
Device data (e.g. serial number, device name, firmware version)
Options
Measurement functions
Legal information

5.8.6 Fullscreen mode

The scale and the quick select button function indicator can be hidden.
When Fullscreen Mode is activated, the scale and icon for the quick select button are hidden. When a key is pressed, these elements are displayed briefly.
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5 Performing the measurement
1
- Menu -> Configuration -> Reset counter
2
- Select the Reset counter function.
3
- Press OK to reset the counter.
3.1
- Press Esc to cancel the process.
1
- Menu -> Configuration -> Reset options.
2
- Select the Factory settings function.
3
- Press OK to apply factory settings.
2.1
- Press Esc to cancel the process.
1
- Menu -> Configuration -> Reset options.
2
- Select the Format function.

5.8.7 Reset options

Reset counter
After a reset, the consecutive numbering of images starts again from the beginning. When saving images, already saved images with the same number are overwritten!
Back up all saved images before resetting the counter to prevent possible overwriting.
Reset image counter? is displayed.
Factory settings
The instrument settings can be reset to the factory settings.
Time/date, country settings and counter are not reset.
Apply factory settings? is displayed.
Formatting
The image memory can be formatted.
When formatting, all data saved in the memory is lost.
Back up all saved images before formatting to prevent loss of data.
Formatting does not reset the counter.
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6 Maintenance

3
- Press OK to format the memory.
3.1
- Press Esc to cancel the process.
1
- Open the cover of the interface
2
- Connect the recharger cable to the
3
- Connect the mains unit to a mains
4
- Switch on the instrument to call up the charge status.
Format memory? is displayed.
6 Maintenance

6.1 Charging the rechargeable battery

terminal.
Micro-USB interface.
socket.
The charging process will start.
If the battery has been completely drained, the charging time is approx. 5 hours.
The charge status is not displayed while the instrument is switched off.
@ For other battery charging options, .

6.2 Changing the rechargeable battery

WARNING
Serious risk of injury to the user and/or destruction of the instrument
> There is a risk of explosion if the battery is replaced with one that is the
wrong type.
> Dispose of spent/faulty batteries in accordance with the relevant legal
specifications.
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6 Maintenance
1
- Switch the instrument off.
2
- Open the battery compartment.
3
- Release the battery and remove.
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6 Maintenance
4
- Insert new battery and slide upwards
5
- Close the battery compartment.
- The interface terminal is closed.
1
- Rub down the surface of the instrument with a damp cloth. Use mild
1
- If the lens is dirty, clean it with a cotton bud.
2
- If the display is dirty, clean it with a cleaning cloth (e.g. microfibre
until it clicks into place.

6.3 Cleaning the instrument

Cleaning the instrument housing
- The battery compartment is closed.
household cleaning agents or soapy water for this.
Cleaning the lens and display
cloth).
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6.4 Firmware Update

1
- Download the following Firmware: Firmware-testo-865-872.exe
2
- Unpack file: doubleclick the exe-file
Battery is fully charged or charger is connected to the camera.
1
- Connect computer to camera with USB cable.
2
- Switch on camera.
- IRSoft is activated.
1
- Select Camera -> Configuration.
2
- Click Configure camera.
3
- Camera Settings -> select Firmware Update -> OK.
The current Firmware version can be found on www.testo.com.
There are two update options:
Update with IRSoft or
Update directly with the thermal imager
Downloading the Firmware
FW_T87x_Vx.xx.bin is stored in a selected file.

6.4.1 Update with IRSoft

6.4.1.1 Prepare the Camera
6 Maintenance
Firmware is downloaded completely.
6.4.1.2 Execute Update
Window Camera Settings is opened.
FW_T87x_Vx.xx.bin is displayed.
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6 Maintenance
4
- Select Open.
Update executed succe
Camera coul possible display: Firmware Update finished. Please
The current Firmeware version is displayed.
- Battery is fully charged or charger is connected to the camera.
1
- Switch on camera.
2
- Open the interface cover.
3
- Connect computer with the camera through USB cable.
1
- FW_T87x_Vx.xx.bin- with Drag & Drop into the storage media
2
- Eject storage media device.
3
- Disconnect USB connection.
4
- Switch off camera.
5
- Switch on camera: Update is executed.
6
- See Progress display.
Firmware Update is executed.
Automatic restart of the thermal imager.
restart the device. Restart will not be done.
Action:
- Switch off the camera after 10 s and switch on after 3 s.

6.4.2 Update with the camera

6.4.2.1 Prepare camera
Camera is displayed as storage media device in Windows-Explorer.
6.4.2.2 Execute Update
device.
Update successfully done. Current Firmeware version is displayed.
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Error! Memory full! is
displayed.
Insufficient memory available: Transfer images to the PC or delete.
Error! Permissible
exceeded! is displayed.
ambient temperature.
~ is displayed before a value.
Value is outside the measuring range:
accuracy.
instead of a value.
extended display range.
value.
settings for plausibility.
Automatic zeroing (audible "click" and brie is carried out very frequently.
Camera is still in its warm-up period (takes
period has passed.
7 Tips and assistance

7.1 Questions and answers

Question Possible cause / solution
Switch off the camera, allow the instrument to
instrument temperature
cool down and observe the permissible
extended display range with no guarantee of

7 Tips and assistance

--- or +++ is displayed
xxx is displayed instead of a
f image freeze)
Value is outside the measuring range and the
Value cannot be calculated: check parameter
approx. 90 seconds): Wait until the warm-up
If we have not been able to answer your question, please contact your dealer or Testo Customer Service. You will find contact details on the back of this document or on the website www.testo.com/service-contact.
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7 Tips and assistance
Battery charging station
0554 1103
Power supply 5V, 2A with USB output
0554 1107
Spare rechargeable battery
0515 5107
Holster case
0554 7808
Emission tape
0554 0051
ISO calibration certificate: Calibration points at 0 °C, 25 °C, 50 °C
0520 0489
ISO calibration certificate: Calibration points at 0 °C, 100 °C, 200 °C
0520 0490
ISO calibration certificate: Freely selectable calibration points in the range -18 °C to 250 °C
0520 0495

7.2 Accessories and spare parts

Description Article no.
For further accessories and spare parts, please refer to the product catalogues and brochures or look up at www.testo.com.
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0970 8650 en 03
Test Equipment Depot - 800.517.8
TestEquipmentDepot.com
431 - 5 Commonwealth Ave, MA 01801
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