testo 870 User 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
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