S+S Regeltechnik PREMASGARD 722 Série Notice D'instruction page 14

G
®
PREMASGARD
U - variant
(Range: 0...+ xx Pa)
After successful zero point calibration, the output voltage
is 0 V at 0 Pa pressure difference (with the offset knob
in central position)!
Output voltage 0...10 V
for pressure difference from 0 Pa to final value
10 V
Displacement of characteristic line
by control knob (right stop)
Offset = +10%
0 V
(zero point offset)
U - variant
(Range: – xx ... + xx Pa)
After successful zero point calibration, the output voltage
is 5 V at 0 Pa pressure difference (with the offset knob in
central position)!
Output voltage 0...10 V
for pressure difference – ΔP ... +ΔP
10 V
Displacement of
characteristic line(+)
by control knob (right stop)
ca. +10%
0 Pa
– Pa
Pressure at input
(P–)> Pressure at
input (P+)
722x
Original characteristic line
Offset = 0
Control knob in
central position = default
Displacement of characteristic line
by control knob (left stop)
Offset = –10%
100% of
measuring range
Pressure at input
(P+)> pressure at
input (P–)
Pressure difference in Pa
+ Pa
5 V
Original characteristic line
Offset = 0 (potentiometer in
central position = factory setting)
Displacement of
characteristic line(–)
by control knob (left stop)
ca. –10%
0 V
I - variant
(Range: 0...+ xx Pa)
After successful zero point calibration, the output current
is 4 mA at 0 Pa pressure difference (with the offset knob
in central position)!
Output current 4...20 mA
for pressure difference from 0 Pa to final value
20 mA
Displacement of characteristic line(+)
by control knob (right stop)
ca. +10%
4 mA
0 Pa
I - variant
(Range: – xx ... + xx Pa)
After successful zero point calibration, the output current
is 12 mA at 0 Pa pressure difference (with the offset knob
in central position)!
Output current 4... 20 mA
for pressure difference – ΔP ... +ΔP
Displacement of
characteristic line(+)
by control knob (right stop)
ca. +10%
– Pa
Pressure at input
(P–)> Pressure at
input (P+)
14
Original characteristic line
Offset = 0 (potentiometer in
central position = factory setting)
Displacement of characteristic line(–)
by control knob (left stop)
ca. –10%
Pressure difference in Pa
20 mA
Pressure at input
(P+)> pressure at
input (P–)
0 Pa
Pressure difference in Pa
12 mA
Original characteristic line
Offset = 0 (potentiometer in
central position = factory setting)
Displacement of
characteristic line(–)
by control knob (left stop)
ca. –10%
4 mA
+ Pa
+ Pa