![Testo 872 [29/52] Setting emissivity and reflected temperature](/img/pdf.png)
Testo 872 [29/52] Setting emissivity and reflected temperature
![Testo 872 [29/52] Setting emissivity and reflected temperature](/views2/1220345/page29/bg1d.png)
7 Performing the measurement
29
4 - Move the joystick to the right, select Indoor temperature.
- Move the joystick up/down to set the value.
5 - Move the joystick to the right, select Outdoor temperature.
- Move the joystick up/down to set the value.
6 - If necessary, move the joystick to the left, back to the mode menu.
7 - Activate ScaleAssist: press Ok.
Manual scaling is activated. S is displayed bottom right.
7.6 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.
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.
The following table gives typical emissivities of important materials. These
values can be used as a guide for user-defined settings.
Содержание
- Instruction manual 1
- Testo 872 thermal imager 1
- Contents 3
- Safety 5
- Safety and waste disposal 5
- Zu diesem dokument 5
- Safety and waste disposal 6
- Bluetooth module 7
- General technical data 7
- Technical data 7
- Waste disposal 7
- Technical data 8
- Technical data 9
- Technical data 10
- Description of the instrument 11
- Instrument operating elements overview 11
- Description of the instrument 12
- Displays overview 12
- Description of the instrument 13
- Power supply 13
- Initial operation 14
- Operation 14
- Switching instrument on and off 14
- Getting to know the menu 15
- Operation 15
- Operation 16
- Quick select button 16
- Operation 17
- Activating disabling the connection 18
- Wlan connection using the app 18
- Establishing a connection 19
- Select display 19
- Using the app 19
- Bluetoot 20
- Bluetooth connection 20
- Connection 20
- Bluetooth connection 21
- Performing the measurement 22
- Saving an image 22
- Performing the measurement 23
- Setting measuring functions 23
- Image gallery 24
- Performing the measurement 24
- Performing the measurement 25
- Performing the measurement 26
- Image type 27
- Performing the measurement 27
- Setting the scale 27
- Performing the measurement 28
- Performing the measurement 29
- Setting emissivity and reflected temperature 29
- Performing the measurement 30
- Customizing the emissivity 31
- Performing the measurement 31
- Selecting the emissivity 31
- Setting the rtc 31
- Setting ε assist 31
- Activating disabling the laser 32
- Activating disabling the zoom 32
- Performing the measurement 32
- Selecting the colour palette 32
- Activating humidity solar or electrical mode 33
- Activating the differential temperature 33
- Performing the measurement 33
- Performing the measurement 34
- Activating disabling the min max on area function 35
- Configuration 35
- Performing the measurement 35
- Settings 35
- Performing the measurement 36
- Performing the measurement 37
- Save jpeg function 37
- Superresolution 37
- Ambient conditions 38
- Connectivity 38
- Performing the measurement 38
- Fullscreen mode 39
- Performing the measurement 39
- Reset options 39
- Performing the measurement 40
- Changing the rechargeable battery 41
- Charging the rechargeable battery 41
- Maintenance 41
- Maintenance 42
- Cleaning the instrument 43
- Maintenance 43
- Questions and answers 44
- Tips and assistance 44
- Accessories and spare parts 45
- Tips and assistance 45
- Authorizations and certification 46
- Authorizations and certification 47
- Authorizations and certification 48
- Bluetooth sig list 48
- Do not stare into the beam 48
- Ic warnings 48
- Laser conform to iec en 60825 1 2014 laser class 2 48
- Rss gen rss 247 statement 48
- This device complies with industry canada licence exempt rss standard s operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device le présent appareil est conforme aux cnr d industrie canada applicables aux appareils radio exempts de licence l exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioélectrique subi même si le brouillage est susceptible d en compromettre le fonctionnement 48
- Use only in products of testo 872 for europe efta countries turkey and use only in products of testo 872 for europe efta countries turkey and australia 48
- Wlan bluetooth information 48
- Authorizations and certification 50
- 8720 en 01 52
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