GE Druck DPI 705 Serie Manual Del Usuario página 8

Batteries are low, replace
observing polarity shown on case
Displayed reading - maximum value
Displayed reading - minimum value
Displayed reading - leakage (per
minute)
Switch Tare on or off (changes the
display reading to zero)
Switch filter
on or off
View maximum,
minimum or perform leak
test (max/min is reset at
switch on)
Operation
TIME OUT
If a key is not pressed within 10 minutes then the instrument times out and
switches off. To disable this automatic time out, hold the LEAK key when
switching on the pressure indicator.
LEAK TEST
To perform a leak test, press the LEAK key 3 times. The
on the display with the number 60. To start the leak test press the LEAK key
again. The instrument counts down 60 seconds displaying the leakage at
the end of the 60 second period. Press the LEAK key at any time during the
leak test to quit and return to normal measurement.
ZERO
A zero should be performed on gauge and differential instruments before
measuring pressure. To perform a zero: Open all pressure ports to
atmospheric pressure. Press the
briefly shows
Note: A zero can only be performed on absolute pressure indicators if
a vacuum is first applied to the pressure port.
Alarm
A single alarm can be set to operate when the displayed pressure value rises
above the alarm setting. The alarm causes the display to flash and a beeper
to sound for one minute. Pressing TARE and UNITS keys together displays
the alarm value, pressing the FILTER key increases the alarm value,
pressing the UNITS key decreases the alarm value. When the display
shows the required alarm value, press the TARE key to set the alarm.
K0214 Issue No. 4
Display Symbols
ZErO and the instrument calculates a new zero.
TARE
A
(flashing)
Change units (1 of 16
pressure units, °C or °F)
and TARE keys together, the display
2
Filter applied
(10 reading rolling average)
Tare applied
Alarm - pressure value
more than alarm setting
Leak test in progress
(count down)
Switch
on or off
symbol flashes