Fluke 718 Series, Руководство пользователя

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718 Series
Users Manual
6
Getting Acquainted with the Calibrator
Press
O
to turn the Calibrator on and off. The Calibrator
displays pressure and current measurements
simultaneously. See Figure 2.
The upper part of the display shows the applied pressure
or vacuum. (Vacuum is shown as a negative value.) Press
U
to select a different unit. When you cycle the power
off and on, the Calibrator retains the unit you last used.
The lower part of the display shows the current (up to 24
mA) applied to the current (mA) inputs.
To source loop voltage, press
U
while pressing
O
on.
Pushbutton operation is described in Table 4. Pump
features are shown in Figure 3 and described in Table 5.
Power Saver
The Calibrator automatically turns off after 30 minutes of
inactivity. To reduce this time or disable this feature:
1. With the Calibrator OFF, press
O
.
2. P.S. xx is displayed, where xx is the turn-off time in
minutes. OFF means the power saver is disabled.
3. Press
h
(
W
) to decrease or
a
(
X
) to increase
the turn-off time.
4. To disable, press
h
until the display shows OFF.
The Calibrator resumes normal operation after 2 seconds.
RANGE
-1
O 1 PSI
MAX
5 PSI 34.5
P
-7
O 7 kP
Current mA
measurement
Pressure
measurement
Pressure
module input
Pressure
sensor input
(Install filter here)
Current
input
On/Off Button
718
PRESSURE
CALIBRATOR
HOLD
COM
mA
30V
MAX
0-30psi 0-206kPa
RANGE
UNITS
ZERO
DAMP
mA
MODE
HOLD
LOOP
PO
WER
BAR
OM
ETR
IC A
DJ.
MIN
MAX
SWITCH
TEST
ENTER
wh005f.eps
Figure 2. Front Panel Features