TESTO 865s User manual

testo 865s thermal imager
Instruction manual
Analysis software
testo IRSoft
testo Thermography App
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:
Use the testo Thermography App to
transfer thermal images live to your
smartphone/tablet and create quick
analyses and simple reports directly
on site.
Download the app free of charge for
Android or iOS from the app store:
www.testo.com/irsoft
testo Thermography
App

Contents
Contents
1Safety and disposal..............................................................................3
1.1 About this document...............................................................................3
1.2 Security ..................................................................................................3
1.3 Disposal .................................................................................................4
2Technical data ......................................................................................5
2.1 General technical data ...........................................................................5
3Description of the instrument .............................................................8
3.1 Use.........................................................................................................8
3.1 Instrument / operating elements overview..............................................9
3.1 Displays overview.................................................................................10
3.2 Power supply........................................................................................11
4Operation ............................................................................................12
4.1 Commissioning.....................................................................................12
4.2 Switching instrument on and off ...........................................................12
4.3 Getting to know the menu ....................................................................13
4.4 Quick select button...............................................................................14
5Performing the measurement............................................................16
5.1 Setting measuring functions.................................................................16
5.1.1 Activating/disabling Pixel mark.............................................................17
5.1.2 Activating the differential temperature..................................................17
5.2 Saving an image...................................................................................18
5.3 Image gallery........................................................................................19
5.4 Setting the scale...................................................................................21
5.5 Setting emissivity and reflected temperature........................................23
5.5.1 Selecting the emissivity ........................................................................25
5.5.2 Customizing the emissivity ...................................................................25
5.5.3 Setting RTC..........................................................................................25
5.6 Selecting the colour palette ..................................................................25
5.7 Configuration........................................................................................25
5.7.1 Settings ................................................................................................25
5.7.2 SuperResolution...................................................................................26
5.7.3 Save JPEG...........................................................................................27
5.7.4 Configure key .......................................................................................27
5.7.5 Ambient conditions...............................................................................27

Contents
5.7.6 Info....................................................................................................... 28
5.7.7 Certificates........................................................................................... 28
5.7.8 Fullscreen mode .................................................................................. 28
5.7.9 Reset options....................................................................................... 28
6Maintenance....................................................................................... 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.................................................................................. 32
6.4.1 Performing an update using IRSoft...................................................... 33
6.4.1.1 Preparing the camera .......................................................................... 33
6.4.1.2 Performing an update .......................................................................... 33
6.4.2 Performing an update with the camera................................................ 34
6.4.2.1 Preparing the camera .......................................................................... 34
6.4.2.2 Performing an update .......................................................................... 34
7Tips and assistance........................................................................... 35
7.1 Questions and answers ....................................................................... 35
7.2 Accessories and spare parts................................................................ 35
8Authorisations and certification....................................................... 36

1 Safety and disposal
3
1Safety and disposal
1.1 About this document
•The instruction manual is an integral part of the instrument.
•Keep this documentation to hand so that you can refer to it when necessary.
•Always use the complete original instruction manual.
•Please read this instruction manual through carefully and familiarize yourself
with the product before putting it to use.
•Hand this instruction manual on to any 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 Security
General safety instructions
•Only operate the product properly, for its intended purpose, and within the
parameters specified in the technical data.
•Do not apply any force.
•Do not operate the instrument if there are signs of damage on the housing,
mains unit or connected cables.
•Dangers may also arise from objects to be measured or the measuring
environment. Always comply with the locally valid safety regulations when
carrying out measurements.
•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 when
doing the work.
•Use only original spare parts from Testo.
•Only use the original mains unit 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
650 °C). This can cause serious damage to the detector. The manufacturer
does not provide any warranty for any such damage to the microbolometer
detector.
Batteries
•Improper use of batteries may cause the batteries to be destroyed, or lead to
injury due to current surges, fire or escaping chemicals.

1Safety and disposal
4
•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 immediately if it is not
functioning properly or if it shows signs of superheating. 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
WARNING
Indicates possible serious injury.
CAUTION
Indicates possible minor injury.
ATTENTION
Indicates possible damage to equipment.
1.3 Disposal
•Dispose of faulty rechargeable batteries and spent batteries in accordance
with the valid legal specifications.
•At the end of its useful life, deliver the product to the separate collection
point for electric and electronic devices (observe local regulations) or return
the product to Testo for disposal.

2 Technical data
5
2Technical data
2.1 General technical data
Infrared image output
Feature Values
Infrared resolution
160 x 120
Thermal sensitivity (NETD)
< 100 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
Spectral range
7.5 - 14 µm
Image presentation
Feature Values
Display
8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)
Display options
- Infrared image
Colour palettes
4 options:
- Grey
- Cold-hot
- Iron
- Rainbow HC
Measurement
Feature Values
Measuring range
--20 to +280°C
Accuracy
--30 to -20 °C: ±3 °C, otherwise ±2 °C, ±2 % of
measured value
Emissivity/reflected
temperature adjustment
0.01 to 1/manual
Analysis functions
- Center spot
- Hot/cold spot detection
- Delta T
IFOV warner
Included in the scope of delivery
testo ScaleAssist
Included in the scope of delivery

2Technical data
6
Imager features
Feature Values
Fullscreen mode
Included in the scope of delivery
Save JPEG
Included in the scope of delivery
Video streaming
via USB
Interfaces
USB 2.0 micro B
Image storage
Feature Values
File format
- .jpg
- .bmt
- Can export as
.bmp
.jpg
.png
.csv
.xls
Memory capacity
Internal mass storage
> 1000 images (without SuperResolution)
Power supply
Feature Values
Battery type
Li-Ion rechargeable battery 2600 mAh / 3.63 V
Operating time
4.0 h @ 20 °C
Mains operation
Yes
Charging option
In instrument/in charging station (optional)
Charging time in the
instrument
Approx. 3 h with 2A mains unit supplied
Charging time in charging
station
Approx. 5 h via mains unit
USB interface
5V 1.8 A*
* Direct current
Ambient conditions
Feature Values
Operating temperature
-15 to +50°C
Storage temperature
-30 to +60°C
Humidity
20 - 80 %RH, not condensing
Housing protection class
IP54* according to IEC 60529
Vibration
2 g
Max. Operating height
2000 m

2 Technical data
7
* The product offers IP54 protection, but is not suitable for permanent outdoor
use.
Standards, tests
Feature Values
EMC
2014/30/EU
RED
2014/53/EU
You can find the EU declaration of conformity on the Testo website,
www.testo.com, under the product-specific downloads.

3Description of the instrument
8
3Description of the instrument
3.1 Use
The instrument 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