Analog Inputs Optional Boards; Universal Input (In 11, In 12); Analysis Input: Ph/Redox/Nh - JUMO AQUIS touch P Installation Instructions Manual

18.2

Analog inputs optional boards

18.2.1

Universal input (IN 11, IN 12)

Probe-/Signal type
Pt100 DIN EN 60751
Pt1000 DIN EN 60751
Resistance transmitter/
Resistance potentiome-
ter
RTD temperature probe
with
customer-specific char-
c
acteristic line
up to 400 Ω
to 4000 Ω
Voltage signal
Current signal
Sensor lead resistance
e
Lead calibration
a
MR: measuring range span
b
R : total resistance of the resistance transmitter/Resistance potentiometer
Tot
c
Customer-specific linearization can be used to enter a sensor characteristic line.
d
R : maximal resistance across the measuring range (400
max
e
Specification does not apply for standard signals
18.2.2

Analysis input: pH/Redox/NH

Measurand
pH-value
(standard electrode)
pH-value
(ISFET electrode)
Redox voltage
NH (ammonia)
3
a
MR: measuring range span
b
ISFET electrodes supply a temperature-compensated pH-measured value.
Connection type
2-wire/3-wire
2-wire/3-wire
3-wire
2-wire/3-wire
2-wire/3-wire
-
-
e
maximal 30 Ω per line with 3-wire circuit
Not required for 3-wire circuit. With a 2-wire circuit, lead calibration can
be executed at the respective input by means of an measured value cor-
rection with the aid of the "Offset" setting.
3
Measuring range
-2 to +16 pH
-2 to +16 pH
-1500 to +1500 mV None
0 to 20000 ppm
18 Technical data
Measuring Measuring accu-
range racy
-200 to +850 °C ≤ 0.05% of MR
-200 to +850 °C ≤ 0.1% of MR
100 to 4000 Ω
0.5% of R
0 to 400 Ω ≤ 0.1% of R
0 to 4000 Ω ≤ 0.1% of R
0 to 10 V 0.2% of MR
0(4) to 20 mA 0.1% of MR
Ω Ω
or 4000 )
Temperature Measuring accu-
compensation racy
≤ 0.3% of MR
-10 to +150 °C
through
b
electrode
-10 to +150 °C
Ambient
temperature
influence
a
≤ 50 ppm/K
a
≤ 50 ppm/K
b
≤ 100 ppm/K
Tot
d
≤ 100 ppm/K
max
d
≤ 100 ppm/K
max
a
100 ppm/K
a
100 ppm/K
Ambient
temperature
influence
a
0.2%/10 K
65