2
1. Measurement Mode
is entered when applying power to the unit – LED displays
applied pressure.
2.
Available
“Measurement Mode”
functions:
A.
Zero Adjustment:
Press MODE /
#
keys together
ⱖ
3 seconds. This initiates
automatic zero adjustment;
ADJ
briefly appears on LED display and then returns
to Measurement Mode.
B.
Peak / Bottom (Min. Max.) Hold Display:
Displayed as
$
or
#
keys are held
for more than 3 seconds and display shows
PE+
. Values are reset when power
is restored to the unit, or:
Reset Peak: Hold
$
key, then press
#
key
Reset Bottom: Hold
#
key, then press
$
key
C.
Key Lock:
Prevents overwriting values / tampering – can not be reset by restor-
ing power.
Lock: Press MODE and
$
keys together;
Lo(
appears on LED display for 1 second.
Unlock: Press MODE and
$
keys together;
UnL
appears on LED display for 1
second.
3. Function Setting Mode:
Used for product settings, except comparator-switch set-
ting. Accessed by pressing MODE key for more than 3 seconds (complete menu
attached).
A.
Comparator Selection:
Select ‘Hysteresis’ (
kYS
) or ‘Window Comparator’ (
Yn
).
Hysteresis: Switch remains activated until reset point has been achieved.
Window Comparator: Switch activates each time pressure enters a set ‘pres-
sure band’ determined by the A and B settings.
B.
Comparator Operation Selection:
Select
nPn
or
PnP
. Note: LED ring is Blue
with
nPn
and Green with
PnP
.
C.
Filter Dampening Setting:
This is based upon a moving average of pressure
data to reduce display “bounce” and smooth analog output due to system pres-
sure fluctuations. User configurable with five selections:
25ms, 250ms, 2.5s, 5s and 10s.
Filter will not be applied if
0
is selected.
D.
Power-Save (Energy-Saving) Setting:
Product is equipped with automatic
LED display turn-off feature. User may elect to turn-on display when reading
pressure or using as an indicating instrument.
E.
LED Ring Feature Setting:
Turns Red when comparator-switch is ON and Blue
(
nPn
) or Green (
PnP
) when comparator-switch is OFF.
F.
Display Unit Setting:
User may alter unit of measures from standard to arbitrary.
G.
Display Settings:
Allows for decimal point adjustment.
H.
Analog Output Scaling:
Available with only 1 comparator; function sets analog
output for pressures corresponding to Zero (4mA) and Span (20mA) adjustment
in percentage figures.
Analog output under zero point pressure: After
A-L
is displayed, select the per-
centage corresponding with the current analog output value under Zero (4mA)
using
#
or
$
keys – when pressure range displayed is set to 0.0-100.0% FS.
Analog output under span point pressure: After
A-K
is displayed, select the per-
centage corresponding with the current analog output value under Span (20mA)
using
#
or
$
keys – when pressure range displayed is set to 0.0-100.0% FS.
Example 1)
Example 2)
PRESSURE RANGE (%F.S.)
A
N
A
L
O
G
O
U
P
U
T
(m
A
d
c
)
-100
-50
0
50
100
150
20
16
12
8
4
PRESSURE RANGE (%F.S.)
A
N
A
L
O
G
O
U
P
U
T
(m
A
d
c
)
-100
-50
0
50
100
150
20
16
12
8
4
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