TESTO 885 Manuel utilisateur
testo 885 · Thermal imager
Instruction manual
2
1 Contents
3
1Contents
1Contents...................................................................................................3
2Safety and the environment....................................................................5
2.1. About this document........................................................................5
2.2. Ensure safety...................................................................................6
2.3. Protecting the environment..............................................................7
3Specifications ..........................................................................................8
3.1. Use..................................................................................................8
3.2. Technical data.................................................................................9
4Product description...............................................................................14
4.1. Overview........................................................................................14
4.1.1. Product components......................................................................................14
4.1.2. Display interface............................................................................................16
4.1.3. Operating concept .........................................................................................18
4.2. Basic properties.............................................................................19
4.2.1. Power supply.................................................................................................19
4.2.2. File formats and file names............................................................................20
5First steps ..............................................................................................21
5.1. Commissioning..............................................................................21
5.1.1. Connecting the rechargeable battery.............................................................21
5.1.2. Performing basic settings...............................................................................21
5.1.3. Initial charging of the rechargeable battery ....................................................23
5.2. Getting to know the product...........................................................24
5.2.1. Adjusting the hand strap................................................................................24
5.2.2. Attaching the lens cover to the hand strap.....................................................25
5.2.3. Rotating the handle........................................................................................25
5.2.4. Attaching a shoulder strap.............................................................................26
5.2.5. Using a lens case ..........................................................................................26
5.2.6. Inserting the memory card .............................................................................27
5.2.7. Fitting/removing IR protection glass...............................................................27
5.2.8. Changing the lens..........................................................................................28
5.2.9. Switching the imager on/off............................................................................29
5.2.10. Manually focusing the image..........................................................................29
5.2.11. Automatically focusing the image...................................................................29
5.2.12. Recording (freezing/saving) an image............................................................30
1 Contents
4
6Using the product .................................................................................31
6.1. Menu bar/tabs...............................................................................31
6.1.1. Analysis functions tab..........................................................................31
6.1.2. Scale and correction functions tab.......................................................32
6.1.3. Main menu tab.....................................................................................32
6.2. Menu functions..............................................................................34
6.2.1. Measurement.................................................................................................34
6.2.2. Display options..............................................................................................44
6.2.3. Image gallery.................................................................................................46
6.2.4. Wizards .........................................................................................................49
6.2.5. Configuration.................................................................................................55
6.2.6. Audio (only testo 885-2).................................................................................63
6.3. Measuring.....................................................................................64
7Maintaining the product .......................................................................66
8Tips and assistance..............................................................................67
8.1. Questions and answers ................................................................67
8.2. Accessories and spare parts.........................................................68
2 Safety and the environment
5
2Safety and the environment
2.1. About this document
Use
> Please read this documentation through carefully and
familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.
> Keep this document to hand so that you can refer to it when
necessary.
> Hand this documentation on to any subsequent users of the
product.
Warnings
Always pay attention to information that is marked by the following
warnings with warning pictograms. Implement the specified
precautionary measures.
Representation Explanation
CAUTION indicates potential minor injuries
NOTICE indicates circumstances that may lead to
damage to the products
2 Safety and the environment
6
Symbols and writing standards
Represen-
tation Explanation
Note: Basic or further information.
1. ...
2. ... Action: more steps, the sequence must be followed.
> ... Action: a step or an optional step.
- ... Result of an action.
Menu Elements of the instrument, the instrument displays
or the program interface.
[OK] Control keys of the instrument or buttons of the
program interface.
... | ... Functions/paths within a menu.
“...” Example entries
2.2. Ensure safety
> Only operate the product properly, for its intended purpose and
within the parameters specified in the technical data. Do not
use any force.
> Do not operate the instrument if there are signs of damage at
the housing, mains unit or feed lines.
During operation, the imager must not be pointed at the sun or
other intensive sources of radiation (e.g. objects with temperatures
greater than 550°C/1022°F, if using the high-temperature
measurement range 1400°C/2552°F). This can lead to serious
damage to the detector. The manufacturer assumes no liability for
any such damage to the microbolometer detector.
> The objects to be measured or the measurement environment
may also pose risks: Note the safety regulations valid in your
area when performing the measurements.
> Do not store the product together with solvents. Do not use any
desiccants.
> Carry out only the maintenance and repair work on this
instrument that is described in the documentation. Follow the
prescribed steps exactly. Use only original spare parts from
Testo.
2 Safety and the environment
7
> Improper use of rechargeable batteries can lead to destruction
or injuries by means of current surges, fire or escaping
chemicals. The following instructions must be observed to avoid
such hazards:
• Only use in accordance with the directions in the instruction
manual.
• Do not short, take apart or modify.
• Do not expose to heavy impacts, water, fire or temperatures
above 60 °C.
• Do not store in the proximity of metal objects.
• Do not use leaky or damaged rechargeable batteries. In the
event of contact with battery acid: Thoroughly wash affected
area with water and consult a doctor, if necessary.
• Only charge in the instrument or the recommended charging
station.
• Immediately stop the charging process if this is not
completed in the given time.
• In the event of improper function or signs of overheating,
immediately remove the rechargeable battery from the
measuring instrument/charging station. Caution:
Rechargeable battery may be hot!
2.3. Protecting the environment
> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
3 Specifications
8
3Specifications
3.1. Use
The testo 885 is a handy and robust thermal imager. It enables you
to carry out contactless determination and display of the
temperature distribution on surfaces.
Typical areas of application are:
• Building inspection: energetic assessment of buildings, and
inspection of heating, ventilation and air conditioning systems.
• Preventative maintenance (servicing): mechanical and electrical
inspection of systems, machines and energy distribution
systems
• Production monitoring (quality assurance): monitoring of
production processes
• Professional energy consultation, leak detection
• Checking of photovoltaic modules
The testo 885 is available in several versions, which are tailored to
various usage requirements:
• testo 885-1: high-quality wide angle lens 30° x 23, detector 320
x 240, NETD < 30 mK at 30°C, 2GB SD card for approx. 2000
to 3000 images, SuperResolution with 640 x 480 pixels
(optional), minimum focusing distance 0.1 m, touchscreen, built-
in digital imager with power LEDs for illumination, auto-focus,
isotherm, min/max/avg on area, image stitching wizard, laser
(not available in all countries), rotatable handle, rotatable and
pivoting display
• testo 885-2, additional/different functions/features: telephoto
lens (optional), display of the surface moisture distribution
through manual entry of the environmental conditions (optional:
humidity measurement in real time with radio humidity probe),
site recognition with image management, voice recording, high
temperature measurement (optional), full radiometric video
measurement (optional)
Export control
Thermal imagers may be subject to the export restrictions of the
European Union.
Please observe the national regulations for export control when
exporting.
3 Specifications
9
3.2. Technical data
Infrared image output
Feature Values
Detector type FPA 320 x 240 pixels, a.Si
Thermal sensitivity
(NETD) < 30 mK at 30°C (86°F)
Field of vision/min.
focusing distance 30° x 23°/0.1 m (0.33 ft)
Telephoto lens (optional): 11° x 9°/0.5 m
(1.64 ft)
Geometric resolution
(IFOV) 1.7 mrad (standard lens)
0.6 mrad (telephoto lens)
Super-resolution
(pixels/IFOV) -
optional
640 x 480 pixels /
1.06 mrad (standard lens)
0.38 mrad (telephoto lens)
Image refresh rate 33 Hz within EU, 9 Hz outside of EU
Focus Automatic/manual
Spectral range 8 - 14 μm
Visual image output
Feature Values
Image size 3.1 megapixels
Min. focusing
distance 0.5 m (1.64 ft.)
Image presentation
Feature Values
Image display LCD touchscreen, 10.9 cm (4.3") screen
diagonal, 480 x 272 pixels
Digital zoom 1-3x
Display options IR image/real image
Video output USB 2.0
Video stream Max. 25 Hz within EU, max. 9 Hz outside EU
Colour palettes 9
3 Specifications
10
Measurement
Feature Values
Temperature ranges
(can be changed) -20 to 100°C (-4 to 212°F)
0 to 350°C (32 to 662°F)
Only testo 885-2, optional:
350 to 1200°C (662 to 2192°F)
Accuracy ±2°C (±3.6°F) or ±2% of meas. val. (higher
value applies)
Reproducibility ±1°C (±1.8°F) or ±1% (higher value applies)
Emissivity/reflected
temperature settings 0.01 to 1.00
Reflected
temperature/transmis
sion correction
(atmosphere)
settings
Manual
Minimum measuring
point diameter Standard lens: 5.0 mm with 1 m distance
Telephoto lens: 1.9 mm at 1 m distance
Measurement
Feature Values
Display of surface
moisture distribution Only testo 885-2:
via manual input
Humidity
measurement with
radio humidity probe
(not available in all
countries)
Only testo 885-2, optional:
automatic measurement value transfer in
real time
Solar mode Yes
Analysis functions Up to 3 measuring points, hot/coldspot
detection, area measurement
(min-/max-/average value), isotherm, alarms
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7
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