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Expert
Logger
7
Technical specifications Expert Logger 100, 200,
300, 400
Version
100
200
300
400
Analogue inputs
16
32
46
16
Groups
1 group of
16
2 groups of
16 each
2 groups of 16
each + 1 group
of 14
1 group of 16
Sensor types
Voltage, current (external load resistance necessary), resistance
Max. channels for resistance
measurement
8
16
23
8
Linearisation
Resistance thermometer, thermocouples, pH
Sampling rate per group, can
be set by group
1/3 Hz … 1 Hz
Voltage measuring ranges
±156 mV to ±10 V
Current measuring range
0 – 20 mA / 4 – 20 mA /any (with free shunt or shunt selected from list)
Resistance measuring range
(half of the number of chan-
nels)
0 … 100 kΩ
Reference current for res-
istance measurements
None; 2 * 200 µA for 3-wire measurement; 100 µA, 200 µA and 1 mA for
4-wire measurement, software switchable
Resolution
24 bit
Input impedance
1 GΩ
Integrated reference junctions
for thermocouple meas-
urement
2
4
6
2
Dielectric strength (tolerable
overvoltage)
±110 VDC
Maximum differential voltage
channel to channel same
group
±110 VDC
Galvanic isolation against
PE/against other groups
±400 VDC
Voltage, current precision
0.01% from measurement range end value
RTD precision
0.1 K
Thermocouples precision
0.3 K (according to reference junction version)
Noise
Better than ±2,5 µV after averaging to 1 Hz
DMS voltage reference
1
1
0
0
Voltage
5 V ± 10 mV
Current
min. 100 mA @ 0 V
Comp
Voltage variation at load
change
max. ±0.005%
Temperature drift
Max. ± 4 ppm/K
268
Delphin Technology AG
Januar 2018
Expert
Logger
Manual