LEYBOLD LEYSPEC view Series - If Pressure Is Lower than Measurement Range; If Filament Fault Has Occurred

300781172_002_C0 - 012/2019 - © Leybold 32
Front panel operation
MESU - 3
When O
2
/N
2
is selected, the unit is changed over from Pascals (Pa) to %, displaying
the ratio between O
2
and N
2
.
MESU - 4
When ANY is selected, the partial pressure of the preset measurement gas species
is displayed.
 M/z is set to 44 (CO
2
) before shipment from the factory. To change the setting,
use the dedicated software.
MESU - 5
When TP is selected, total pressure is displayed.
 Models with a total pressure measuring function only. Other models show [0.00
- 0].
7.2 If pressure is lower than measurement range
UNDR - 1
With measurement started (START = ON) and the partial pressure and total pressure
are below the measurable lower limit, [0.00 - 13] is shown.
7.3 If filament fault has occurred
Err. - 1
If any fault occurs with filament 1 when the START button is ON, the sign "F1" is
shown.
("F2" is shown for filament 2 where present).