Setting Parameters - testo 523 Bedienungsanleitung

Making s s ettings:
Press function button Set.
1
- The configuration menu is opened and the settable parameter flashes.

Setting parameters:

2
Button functions
· : Alter parameter.
· : Change to next parameter.
OK
· : Store settings and leave configuration menu.
esc
· : Leave configuration menu (without storing).
Settable parameters
P=0
· : Set pressure sensors to zero
bar kPa MPa psi
· , , , : Set pressure unit.
Pabs Prel psi psi
· , or ,
a
relative pressure.
°C °F
· , : Set temperature.
AutoOff off on
· , : Automatic switch-off (20min after the last time a button was pressed) switch on/off.
24hr am pm
· , / : Switch between 24h and 12h time display.
88:88
· : Set time (hours, minutes).
day month year
· , , : Set date (day, month, year).
Example "Set pressure unit"
1 Press function button
2 Press or several times, until the desired pressure unit appears.
3 Press function button
Press function button OK to store the settings and leave the configuration
3
menu.
Switching i i nstrument o o ff:
Press .
Operating v v alve k k nobs:
The function of the valve knobs is independent of the valve position. For
easier operation, unlocking the knobs is recommended. For transport,
stowing the valve knobs is recommended.
Unlock valve knobs: Press unlocking button.
Stow valve knobs: Press valve knobs into the housing.
The refrigeration system analyzer acts like a conventional two-way manifold
with respect to the refrigerant path: The passage is opened by opening the
valves. The connected pressure is measured measured independently of
whether the valves are open or closed.
Open valve: Turn the valve knob anti-clockwise.
Close valve: Turn the valve knob clockwise.
(depending on pressure unit selected): Switch between display of absolute and
g
bar
or several times, until
or several times to switch to the next parameter
kPa MPa psi
, , or flashes.
First steps 7