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TESTO 549 - Control Key Functions

TESTO 549
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4 Product description
10
5 Control keys:
Key Function
[Set]
Set units
[R, , ] Select refrigerant/ Start/stop / Tightness
test
[Mode]
Switching measuring mode
[Min/Max/Mean]
Display min./max./mean values
[]
Up key: Change display view
[P=0]
Pressure zeroing
Esc
Switches to the measurement/home view
[]
Down key: Change display view
[/]
Switching the instrument on/off
Switch the display illumination on/off.
6 Sight glass for refrigerant flow
7 2 x valve positioner
8 3 x hose parkers for refrigerant hoses
9 3 x connections 7/16" UNF, brass
Left/right: Low pressure/high pressure, for refrigerant hoses
with quick connect fitting, passage can be locked via valve
positioner. Centre: for refrigerant bottles, for example, with
sealing cap.
10 On the back below the battery compartment cover, mini-USB
connection for firmware update.
Pos: 26 /TD/Übersc hriften/5. Erste Sc hritte @ 0\mod_1173774895 039_79.docx @ 319 @ 1 @ 1

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