Testo 870-1 Operating Manual

How to Operate the
Testo 870 thermal imager

Content

1. Technical data testo 870-1 & 870-2

2. Technical overview (Fixed focus)

3. Interface/internal memory

4. Inserting the battery

5. Operation of the testo 870 (Keys)

6. Assigning speed dial key

7. Menu

7.1 Image gallery

7.2 Measurement functions
(One-point, Hot/Cold-Spot, Measurement range)

7.3 Image type (Real image camera)

7.7.3 Save JPEG

7.7.4 Power-save options

7.7.5 Language configuration

7.7.6 Configuration of the temperature unit

7.7.7 Setting time/ date

7.7.8 Reset image counter

7.7.9 Format

7.7.10 Factory settings

8. Transmitting images to the PC

7.4 Scale setting

7.5 Emissivity & RTC setting

7.6 Selection of the colour palette

7.7 Configuration

7.7.1 Testo SuperResolution

7.7.2 Fullscreen mode

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Technical overview

Element Function

1 Display Shows infrared and real images (only testo 870-2),

menu and functions

2 Interface terminal

3-Key Power/ESC

4 - Key OK

- Joystick

5 Speed dial key

6 Lens infrared camera (Fixed

focus), Protective cap

7 Digital camera (only testo 870-2)
8 Trigger Saves the indicated thermal image

9 Battery compartment

Contains Micro-USB-Interface for power supply and
connection to the computer

- To turn camera on/ out

- To abort actions in the menu

- Open menu, select functions and confirm setting

- navigate in the menu, mark functions, select
colour palette

Opens assigned function, the symbol of the selected
function can be seen on the lower right side of the
display

Takes infrared images; protects the lens

Captures visual image

Contains the battery

Fixed focus: Optimized Focus-free optics guarantee a perfect image every time.

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Interface / internal memory

Internal Memory: The testo 870 possesses an internal

memory. This memory has a capacity of 1.6 GB and allows
to save >2.000 thermal images. Images can be accessed
via a USB connection.

Mini USB-Interface: Another new aspect, of the testo 870, is that the battery is charged via the
USB cable. The imager can be charged with any USB connection. The camera has to be
switched off, if charging it via PC.

Charging time via PC: ca. 8 Std.
Charging time via power supply unit: ca. 5 Std.
The battery can also be charged with the aid of the table top rapid charging station.

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Inserting the battery

1. Remove the battery cover by sliding it down

2. Put the battery in the opening

3. Push the battery up until it clicks into place – „click“

4. Put the battery cover on and push it up

1. 2. 3. 4.

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Operation of keys

ESC/Power key

• the thermal imager

can be switched on
and off. Turning it off,
the key has to be held
for approximately 3
seconds.

• ESC operation this

enables the go back
one menu level

1 button Joystick

• Depress the 1 button Joystick

and open the main menu

• All menus and commands can

be accessed by utilizing this
joystick

• Depress to make selections

Speed Key

• Custom select you most

used function and
program key for this
menu.

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Assigning speed dial key

Pushing the 1 button Joystick to the
right…

… select desired function and
confirm with OK (Depress)

Below the scale, a symbol indicates the
reserved function of the speed key

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Image gallery – Display of saved images

The file name of the open thermal

image is shown in the top left of the

display.

Open thermal images from the image gallery. Open images can be analyzed with any
imager function (such as measurement functions, scale, etc.), as in the live mode.

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