3
Turning On the Back Light
It normally lights up while the
button is being pressed. In
the lock mode, it lights up
when pressed and turns off
when pressed again.
However, the maximum
lighting time is approximately
one minute.
Zero Clear
The zero point displayed at
atmospheric pressure can
be automatically adjusted.
By this means it is possible
to eliminate a display
discrepancy at atmospheric
pressure.
• Turn the power OFF.
• Release the supply pressure
to the atmosphere.
• When continuously pressed
for 6 seconds or more, zero
clear is performed and
"CAL" is displayed on the
LCD.
Lock Mode (Auto Power OFF Cancel)
The auto power OFF
function is canceled by
activating the lock mode
(auto power OFF cancel).
When continuously pressed
for 6 seconds or more, "L" is
displayed on the LCD.
Moreover, when the power
is turned OFF, the lock
mode is released.
Auto Power OFF Function
When the power is turned
ON and there is no button
operation for more than 5
minutes, the power will turn
OFF.
Note) For canceling this
function, refer to the
functions and operation of
the lock mode (below).
MPa
POWER
LIGHT
MPa
POWER
LIGHT
MPa
POWER
LIGHT
Peak/Bottom Display
Do this when pressure is
being displayed.
Peak Display
Displays the maximum
pressure value and "P"
appears on the LCD. The
display will change if
pressure increases beyond
the pressure value that is
being held.
Bottom Display
Displays the minimum
pressure value and "b"
appears on the LCD. The
display will change if
pressure falls below the
pressure value that is being
held.
(These modes are
convenient for confirming
pressure fluctuations.)
Press the POWER button.
MPa
POWER
LIGHT
MPa
POWER
LIGHT
MPa
POWER
LIGHT
Press the POWER button.
Press the POWER button.
Note) Since this is combined with power OFF
operation, the button should be released at the
point when "P" or "b" is displayed.
POWER
LIGHT
Press the LIGHT button.
Press and hold the
POWER button for 6
seconds or more.
Unit Display Switching
1. When pressed continuosly
for 3 seconds or more, the
unit on the LCD will flash.
2. The unit will change. (See
the table below.)
3. The unit is set, and
switching is finished.
MPa
MPa
bar
Note) The "inHg" unit cannot be displayed.
High pressure
(PPA100)
MPa
→
bar
→
PSI
→
kgf
Vacuum
(PPA101)
kPa
→
bar
→
PSI
→
inHg
→
mmHg
Low pressure
(PPA102)
kPa
→
bar
→
PSI
→
kgf
kgf
POWER
LIGHT
kgf
POWER
LIGHT
MPa
POWER
LIGHT
Series
PPA
(PPA100 shown. Unit: MPa)
Operation and Functions
1. Press and hold the
POWER and LIGHT
buttons for 3 seconds
or more.
2. Press the LIGHT button.
3. Press the POWER button.
Press and hold the
POWER and LIGHT
buttons for 6 seconds
or more.
