JUMO 202580, Installation Instructions Manual

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65
18 Technical data
18.2 Analog inputs optional boards
18.2.1 Universal input (IN 11, IN 12)
18.2.2 Analysis input: pH/Redox/NH
3
Probe-/Signal type Connection type Measuring
range Measuring accu-
racy Ambient
temperature
influence
Pt100 DIN EN 60751 2-wire/3-wire -200 to +850 °C
≤
0.05% of MR
a
a
MR: measuring range span
≤
50 ppm/K
Pt1000 DIN EN 60751 2-wire/3-wire -200 to +850 °C
≤
0.1% of MR
a
≤
50 ppm/K
Resistance transmitter/
Resistance potentiome-
ter 3-wire 100 to 4000
Ω
0.5% of R
Tot
b
b
R
Tot
: total resistance of the resistance transmitter/Resistance potentiometer
≤
100 ppm/K
RTD temperature probe
with
customer-specific char-
acteristic line
c
c
Customer-specific linearization can be used to enter a sensor characteristic line.
up to 400
Ω
2-wire/3-wire 0 to 400
Ω ≤
0.1% of R
max
d
d
R
max
: maximal resistance across the measuring range (400
Ω
or 4000
Ω
)
≤
100 ppm/K
to 4000
Ω
2-wire/3-wire 0 to 4000
Ω ≤
0.1% of R
max
d
≤
100 ppm/K
Voltage signal - 0 to 10 V 0.2% of MR
a
100 ppm/K
Current signal - 0(4) to 20 mA 0.1% of MR
a
100 ppm/K
Sensor lead resistance
e
e
Specification does not apply for standard signals
maximal 30
Ω
per line with 3-wire circuit
Lead calibration
e
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.
Measurand Measuring range Temperature
compensation Measuring accu-
racy Ambient
temperature
influence
pH-value
(standard electrode) -2 to +16 pH -10 to +150 °C
≤
0.3% of MR
a
a
MR: measuring range span
0.2%/10 K
pH-value
(ISFET electrode) -2 to +16 pH through
electrode
b
b
ISFET electrodes supply a temperature-compensated pH-measured value.
Redox voltage -1500 to +1500 mV None
NH
3
(ammonia) 0 to 20000 ppm -10 to +150 °C