testo 870 brief
instructions
testo 870
instruction
manual
Thermography
Pocket
Guide
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testo 870
Testo 870 thermal imager
Instruction manual
Contents
Contents
1 Safety and waste disposal ................................................................... 3
1.1 About this document .............................................................................. 3
1.2 Safety ..................................................................................................... 3
1.3 Waste disposal ....................................................................................... 5
2 Technical data ..................................................................................... 5
3 Description of the instrument ............................................................... 7
3.1 Use ......................................................................................................... 7
3.1 Instrument / operating elements overview ............................................. 8
3.1 Displays overview................................................................................... 9
3.2 Power supply ....................................................................................... 10
4 Operation ........................................................................................... 10
4.1 Initial operation ..................................................................................... 10
4.2 Switching instrument on and off .......................................................... 10
4.3 Getting to know the menu .................................................................... 11
4.4 Colour palette quick change ................................................................ 12
4.5 Quick select button .............................................................................. 12
5 Performing the measurement ............................................................. 14
5.1 Saving an image ................................................................................... 14
5.2 Setting measuring functions ................................................................ 15
5.3 Image gallery ........................................................................................ 16
5.4 Image type ........................................................................................... 19
5.5 Setting the scale .................................................................................. 19
5.6 Setting emissivity and reflected temperature ....................................... 20
5.7 Selecting the colour palette ................................................................. 22
5.8 Configuration ........................................................................................ 23
6 Maintenance ...................................................................................... 27
6.1 Charging the rechargeable battery ....................................................... 27
6.2 Changing the rechargeable battery ...................................................... 27
6.3 Cleaning the instrument ....................................................................... 29
7 Tips and assistance ........................................................................... 30
7.1 Questions and answers ........................................................................ 30
7.2 Accessories and spare parts ................................................................ 31
1 Safety and waste disposal
1 Safety and waste disposal
1.1 About this document
• 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
500 °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.
3
1 Safety and waste disposal
WARNING
CAUTION
ATTENTION
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
Indicates possible serious injury.
Indicates possible minor injury.
Indicates possible damage to equipment.
4
2 Technical data
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
Image output
Feature Values
Infrared resolution 160 x 120 pixels (FPA, amorphous silicon)
Thermal sensitivity (NETD) <100 mK @ 30 °C
Field of view (FOV) / min.
focusing distance
Geometric resolution (IFOV) 3.68 mrad
SuperResolution (optional
function)
IR image refresh rate 9 Hz
Spectral range 7.5 - 14 µm
Image presentation
34° x 26°/ < 0.5 m (fixed-focus lens)
320 x 240 pixels / 2.3 mrad
Feature Values
Display 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)
Display options
• Infrared image
• Real image (only for testo 870-2)
Interface USB 2.0 micro B
Colour palettes 4 options: iron, rainbow HC, grey, cold-hot
Measuring
Feature Values
Measurement range -20 to 280 °C
Accuracy Information valid for specified measurement
range + tolerance
±2 °C , ±2 % of reading (higher value applies)
5
Feature Values
Extended display range
Values with no guarantee of accuracy, prefixed
with a tilde (~…) on the display.
-40 to -22 °C
286 to 290 °C
Measurement
• Single point measurement
• Coldspot
• Hotspot
Digital camera (only testo 870-2)
Feature Values
File format .jpg
Lens 34° x 26°
Image storage
Feature Values
File format
• .bmt and .jpg
• Export options in .bmp, .jpg, .png, .xls., csv
Memory capacity Internal mass storage 1.6 GB,
> 2000 images (without SuperResolution)
Power supply
2 Technical data
Feature Values
Battery type Li-Ion rechargeable battery 2500 mAh / 3.7 V
Operating time 4 h @ 20 °C
Charging option In instrument/in charging station (optional)
Charging time approx. 5 h via mains unit
approx. 8 h via a PC's USB interface
Ambient conditions
Feature Values
Operating temperature -15 to 50 °C
Storage temperature -30 to 60 °C
Humidity 20 - 80 %RH, not condensing
6
3 Description of the instrument
Physical features
Feature Values
Weight 550 g (including battery)
Dimensions 96 x 95 x 219 mm
Housing PC/ABS
Protection class (IEC 60529) IP 54
Vibration (IEC 60068-2-6) 2 G
Standards, tests, warranty
Feature Values
EU Directive 2004/108/EC
Warranty 2 years, warranty conditions: see
www.testo.com/warranty
3 Description of the instrument
3.1 Use
The testo 870 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
7
3 Description of the instrument
1
2
3
Esc
4 - OK
- Joystick
5
6
7
8
Trigger
9
3.1 Instrument / operating elements
overview
Element Function
Display
Displays infrared and real images, menus and
functions
Interface terminal Contains micro USB interface for power supply
and connection to the computer
- button
-
button
button
- Switch camera on and off
- Cancel action
- Open menu, select function, confirm setting
- Navigate within the menu, select function,
select colour palette
Quick select button Opens the function assigned to the quick select
button; the icon for the selected function is
displayed bottom right
Infrared camera lens;
Takes infrared images; protects the lens
protective cap
Digital camera (only
Takes real images
testo 870-2)
Saves the displayed image
Battery compartment Contains the rechargeable battery
8
1
2
3
4
5
6
3.1 Displays overview
3 Description of the instrument
Element Function
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%
- - - - (animated): Mains
operation, battery is charging
: Mains operation, battery fully charged
Image display
or
IR image or real image display (only testo 870-2)
Unit set for reading and scale displays
Scale - Temperature unit
- Grey characters: Measurement range
- Black characters: temperature margin of the
image displayed, showing the
minimum/maximum reading (with automatic
scale adjustment) or the selected
or
minimum/maximum display value (with
manual scale adjustment)
Automatic or manual scale adjustment activated
Emissivity set
9
4 Operation
1
2
3.2 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).
4 Operation
4.1 Initial operation
Please read the testo 870 1st steps commissioning instructions supplied
(0970 8702).
4.2 Switching instrument on and off
Switching on the camera
- Remove protective cap from the
lens.
- Press .
The camera starts.
The start screen appears on the
display.
10
The camera carries out automatic zeroing approx. every 60 seconds in
1
1
order to guarantee measuring accuracy. A "click" is heard when this
happens. The image freezes briefly when this occurs. Zeroing is carried
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.
Switching off the camera
- Press and hold down until the
progress bar is complete.
The display goes off.
The camera is switched off.
4 Operation
4.3 Getting to know the menu
- Press OK to open the menu.
11
4 Operation
2
-
Joystick
3
-
3.1
-
Joystick
Joystick
1
Joystick
Image type
Image gallery
Scale
Image type
Move the
down/up to
highlight a function (orange border).
Press OK to select the function.
Move the
to the right to open the submenu (indicated with
►).
- Move the
to the left to go back to the main menu.
4.4 Colour palette quick change
testo 870-2: this function is only available if the Image type is set to infrared
image.
- Move the
down/up to switch between the colour
palettes.
4.5 Quick select button
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
(only testo 870-2)
Alternately switches the image
display between infrared and real
image.
Opens an overview of saved
images.
(testo 870-2: this function is only
available if the
is set to
Set scale limits.
infrared)
12
Menu item Function
Emissivity
Image type
RTC
Adjustment
Image type
1
-
Joystick
Configure key
2
Joystick
1
(testo 870-2: this function is
only available if the
is set to
Set emissivity (E) and reflected
temperature (
infrared)
(testo 870-2: this function
is only available if the
infrared)
is set to
Carries out manual zeroing.
Changing assignment
4 Operation
).
Move the
The
to the right.
selection menu
appears.
The activated function is marked with
a tick ( ).
- Move the
up/down until the
orange box appears around the
required menu item.
- Press OK
The quick select button is assigned
to the selected menu item.
The icon for the selected function is
displayed bottom right.
Using the quick select button
- Press .
The function assigned to the quick
select button is carried out.
13
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 exceeding
500 °C.
1
trigger
5 Performing the measurement
-
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.
5.1 Saving an image
- Press
.
The image is automatically saved.
testo 870-2: regardless of the image
type set, an infrared image is saved
with an attached real image.
14
5 Performing the measurement
Configuration
SuperResolution
1
-
Measurement
11
Single point measurement
Coldspot
Hotspot
Measurement range
2
Joystick
OK
If a higher resolution is required: in the menu under
select
(optional function), for four times as many
readings.
5.2 Setting measuring functions
Open the
know the menu
, page
The submenu opens with the measuring functions:
•
in the centre of the image is marked with white crosshairs and
the value is displayed. In saved images the crosshairs can be
moved using the joystick, in order to read the value of other
measuring points.
•
: the lowest temperature measuring point is marked
with blue crosshairs and the value is displayed.
•
: the highest temperature measuring point is marked
with red crosshairs and the value is displayed.
•
displayed (for info).
- Move the
then press
.
submenu. Procedure: see Getting to
.
: the temperature measuring point
: temperature range of the readings
up/down to select the required function and
15
5 Performing the measurement
1
2
IR
000000
5.3 Image gallery
Saved images can be displayed, analysed or deleted.
File names
Designation Explanation
- Infrared preview
Infrared image, testo 870-2: with attached real image
Consecutive number
File names can be changed via the PC, e.g. in Windows Explorer.
16
5 Performing the measurement
1
Image gallery
11
2
Joystick
3
Displaying a saved image
Saved images can be viewed and analysed in the image gallery.
- Select
how to proceed: see
the menu
, page
function. For
Getting to know
.
All saved images are displayed in the
form of an infrared preview.
- Move
to select an image.
- Press OK to open the selected image.
The image is displayed.
Analysing an image
Saved images can be analysed using the Single point measurement, Hotspot
and Coldspot 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
relevant sections.
17
Deleting an image
1
-
Image gallery
11
2
Joystick
3
-
Delete image?
4
4.1
-
Esc
5 Performing the measurement
Select
Getting to know the menu, page
function, see
.
All saved images are displayed in the
form of an infrared preview.
- Move
to select an image.
Press .
is displayed.
- Press OK to delete the image.
Press
to cancel the process.
18
5 Performing the measurement
1
Image type
11
1
Scale
11
2
Joystick
Auto
OK
1
-
Scale
11
5.4 Image type
This function is only available for the testo 870-2 version.
The display can be switched between infrared image and real image (digital
camera).
- Select
the menu
, page
function. For how to proceed: see Getting to know
.
The image type displayed switches alternately between the infrared
image view and real image view.
5.5 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: automatic scaling, manual
scaling.
Setting automatic scaling
Auto-scaling continuously adjusts the scale to the readings presented,
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).
The scaling affects how the infrared image appears on the display, but
has no effect on the recorded readings.
- Select
menu
- Move the
function. For how to proceed: see Getting to know the
, page
.
to the left until
is selected and then press
.
Setting manual scaling
The lower limit value, the temperature range (upper and lower limit value
simultaneously) and the upper limit value can be set.
Automatic scaling is activated. is displayed bottom right.
Select
menu
function. For how to proceed see Getting to know the
, page
.
19
5 Performing the measurement
2
Joystick
Joystick
2.1
Joystick
Joystick
2.2
Joystick
Joystick
3
- Move the
to the left/right until (lower limit value) is
selected.
- Move the
- Move the
up/down to set the value.
to the left/right until (lower limit value) and
(upper limit value) are selected.
- Move the
- Move the
- Move the
up/down to set the values.
to the right until (upper limit value) is selected.
up/down to set the value.
- Press OK.
Manual scaling is activated. is displayed bottom right.
5.6 Setting emissivity and reflected temperature
testo 870-2: 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.
Other materials can be imported into the instrument from an existing
list 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.
20
5 Performing the measurement
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
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
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
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
21
5 Performing the measurement
1
Emissivity
11
2
-
Joystick
OK
2.1
Joystick
User defined
Joystick
3
-
Joystick
RTC
4
-
1
Palette
11
2
Joystick
OK
these sources be determined and used. The reflected temperature has little
effect on objects with high emissivity.
@ Further information can be found in the Pocket Guide.
- Select
know the menu
Move the
permanently set emissivity) and then press
- Move the
- Move the
function. For how to proceed: see Getting to
, page
.
up/down to select the required material (with
.
up/down until
is selected.
to the right until E is selected.
- Manually set value.
Move the
to the right until
is selected.
- Manually set value.
Press OK.
5.7 Selecting the colour palette
testo 870-2: this function is only available if the Image type is set to infrared
image.
- Select
, page
menu
- Move the
then press
@ For further setting options, see Colour palette quick change, page 12.
function. For how to proceed: see Getting to know the
.
up/down to select the required colour palette and
.
22
5 Performing the measurement
1
-
Fullscreen Mode
11
identification code
www.testo.com/upgrade
activation code
PC software. Please observe the installation requirements and steps on
5.8 Configuration
Fullscreen mode
The scale and the quick select button function indicator can be hidden.
Select
know the menu
, page
function. For how to proceed: see Getting to
.
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.
SuperResolution (optional function)
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 PC
software (no interpolation). The geometric resolution (IFOV) is improved by a
factor of 1.6.
This function is available as an additional option (article no. 0554 7806)
and must be activated before it can be used.
Activate function:
you will receive an envelope with an access code (
which you should enter on the website
When all necessary data has been entered, an
generated, and this can be used to activate the function via the IRSoft
the website or in the email sent to you.
To use the function, the following conditions must be fulfilled:
• The camera is hand-held.
• The objects to be imaged do not move.
),
.
is
23
5 Performing the measurement
1
-
SuperResolution
11
2
3
-
Joystick
4
1
Save JPEG
11
2
-
3
Joystick
4
-
1
Power-save options
11
2
Joystick
OK
Open
know the menu
, page
function. For how to proceed: see Getting to
.
- Press OK to enable or disable the function.
Move the
until OK is selected.
- Press OK.
Save JPEG
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.
- Open
the menu
, page
function. For how to proceed: see Getting to know
.
Press OK to enable or disable the function.
- Move the
until OK is selected.
Press OK.
Power-save options
The illumination intensity of the display can be set. A lower intensity increases
the battery life.
- Select
Getting to know the menu, page
- Move the
and then press
up/down to select the required intensity level
.
function. For how to proceed: see
.
24
5 Performing the measurement
1
Language
11
2
Joystick
OK
1
Temperature unit
2
Joystick
OK
1
Set time/date
11
2
Joystick
3
-
Joystick
4
OK
Language
The user interface language can be set.
- Select
know the menu
- Move the
then press
Temperature unit
The temperature unit can be set.
- Open the
Getting to know the menu.
- Move the
press
.
Set time/date
Time and date can be set. The time and date format are set automatically
based on the selected user interface language.
- Select
to know the menu
- Move the
option.
Move the
- After setting all values, press
Reset counter
function. For how to proceed: see Getting to
, page
.
up/down to select the required language and
.
submenu. For how to proceed: see
up/down to select the required unit and then
function. For how to proceed: see Getting
, page
.
to the right/left to select the required setting
up/down to set the value.
.
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.
25
5 Performing the measurement
1
-
Reset counter
11
Reset counter?
2
-
2.1
Esc
1
Format
11
Format memory?
2
-
2.1
Esc
1
Factory settings
11
Apply factory settings?
2
2.1
Esc
Select
to know the menu
function. For how to proceed: see Getting
, page
.
is displayed.
Press OK to reset the counter.
- Press
to cancel the process.
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.
- Select
the menu
function. For how to proceed: see Getting to know
, page
.
is displayed.
Press OK to format the memory.
- Press
to cancel the process.
Factory settings
The instrument settings can be reset to the factory settings.
Time/date, country settings and counter are not reset.
- Select
Getting to know the menu, page
function. For how to proceed: see
.
- Press OK to apply factory settings.
- Press
to cancel the process.
is displayed.
26
6 Maintenance
1
2
3
4
1
6 Maintenance
6.1 Charging the rechargeable battery
- Open the cover of the interface
terminal.
- Connect the recharger cable to the
Micro-USB interface.
- Connect the mains unit to a mains
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
6.2 Changing the rechargeable battery
off.
- Switch on the instrument to call up the charge status.
@ For other battery charging options, see Power supply, page 10.
- Switch the instrument off.
27
6 Maintenance
2
-
3
-
4
Open the battery compartment.
Release the battery and remove.
- Insert new battery and slide upwards
until it clicks into place.
28
5
-
Close the battery compartment.
1
-
1
-
2
6 Maintenance
6.3 Cleaning the instrument
Cleaning the instrument housing
- The interface terminal is closed.
- The battery compartment is closed.
Rub down the surface of the instrument with a damp cloth. Use mild
household cleaning agents or soapy water for this.
Cleaning the lens and display
If the lens is dirty, clean it with a cotton bud.
- If the display is dirty, clean it with a cleaning cloth (e.g. microfibre
cloth).
29
7 Tips and assistance
Error! Memory full!
Error! Permissible
instrument temperature
exceeded!
~
---
+++
xxx
7 Tips and assistance
7.1 Questions and answers
Question Possible cause / solution
is
displayed.
is displayed.
is displayed before a value.
or
is displayed
instead of a value.
is displayed instead of a
value.
Automatic zeroing (audible
"click" and brief image freeze)
is carried out very frequently.
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
Insufficient memory available: Transfer images
to the PC or delete.
Switch off the camera, allow the instrument to
cool down and observe the permissible
ambient temperature.
Value is outside the measuring range:
extended display range with no guarantee of
accuracy.
Value is outside the measuring range and the
extended display range.
Value cannot be calculated: check parameter
settings for plausibility.
Camera is still in its warm-up period (takes
approx. 90 seconds): Wait until the warm-up
period has passed.
www.testo.com/service-contact.
30
7 Tips and assistance
°C
7.2 Accessories and spare parts
Description Item no.
Battery charging station 0554 1103
Spare rechargeable battery 0515 0100
High-quality transport case 0516 8700
Emission tape 0554 0051
SuperResolution 0554 7806
ISO calibration certificates
• Calibration points at 0 °C, 25 °C, 50 °C
• Calibration points at 0 °C, 100 °C, 200 °C
• Freely selectable calibration points in the range -18
to 250 °C
For further accessories and spare parts, please refer to the product catalogues
and brochures or look up at www.testo.com.
0520 0489
0520 0490
0520 0495
31
0970 8700 en 01 V01.00 en-GB
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