Technical specifications - Expert Logger

All data overview

Device Type100200300400
Analog inputs (mV, mA, TC)16324616
Appropriate for RTD's816238
Total sampling rate1000 Hz2 groups
à 1000 Hz
3 groups
à 1000 Hz
1000 Hz
Voltage measurement range±156 mV .. ±10 V 
Current measuring range0 .. 20 mA, 4 .. 20 mA, free
Current reference for restistance measurement100 μA, 200 μA or 1 mA (4-wire); 2 x 200 µA (3-wire)
Resistance measurement range0 .. 100 kΩ
Resolution/type ADC / input impedance24 bit Sigma-Delta / 1GΩ
Internal reference junctionsyes / 2yes / 4yes / 6yes / 2
Withstand voltage / galvanic isolation±110 VDC / ± 400 VDC to PE, other channel group
Measuring accuracy voltage, current0.01% from upper range value
Measuring accuracy resistance measurement0.02% of the measuring range end value (4-wire connection)
Measuring accuracy thermocouples*External thermoblock: 0.3 K
Internal reference measuring point: 0.1 % of the measuring range after sensor compensation
Measuring accuracy Pt 100 (4-wire connection)Measuring range -260 °C to 147 °C: 0.10 °C
Measuring range -260 °C to 596 °C: 0.20 °C
Measuring range -260 °C to 849 °C: 0.43 °C
Measuring accuracy Pt 1000 (4-wire connection)Measuring range -260 °C to 64 °C: 0.10 °C
Measuring range -260 °C to 408 °C: 0.15 °C
Measuring range -260 °C to 849 °C: 0.35°C
Strain gauge voltage excitation1100
Voltageinternal: 5 VDC ± 10 mV, external: 1 / 2.5 / 5 / 10 V
Analog outputs0006
Resolution16 bit
Output ranges0 .. 10 V / ± 10 V / 0 ... 5 V / ± 5 V / 0 ... 12 V / ± 12 V / 0 ... 6 V / ± 6 V / 0 ... 20 mA / 0 ... 24 mA / 4 ... 20 mA /
Galvanic isolation± 400 VDC to system / PE
Min. load / max. burden625 Ω / 950 Ω

* These measuring accuracies apply to positive measuring temperatures (> 0°C). For measurements in the negative temperature range, we recommend calibration at the respective operating point.

Device Type100200300400
Number of digital channels 
Digital inputs up to 1 MHz3300
Digital inputs up to 250 Hz1101
Digital outputs4400
Digital inputs / outputs44124
Technical information digital inputs 
Input signallow: 0 .. 1 V/ high:5 .. 100 VDC@3.5 mA
Frequency range / width counter0,2 Hz .. 1 MHz, respectively 0,2 Hz .. 250 Hz / 64 bit
Galvanic isolation± 400 VDC to PE / other channels
Technical information digital outputs 
Max. switching voltage / current50 V / 2.5 A for 2 seconds, 250 mA continuous current
PWM function / pulse duty factorBasic frequency 5 Hz .. 10 kHz / 1:1000
Galvanic isolation± 400 VDC to PE / other channels
Data storage 
Data storage internal12 GB (approx. 360 million measurement values)
Data storage externalUSB, NFS, CIFS, (S)FTP
Device Type100200300400
Interfaces / protocols 
SDI 12 sensor bus1100
COM1 and COM 2RS485, 9-pole sub-D socket / ASCII / Modbus RTU master & slave / PROFIBUS DPV1 slave
COM 3RS232, 9-pole sub-D plug / ASCII / SCPI / Modbus RTU
LAN1 x 1000Base-T
WLAN (optional)802.11 b/g/n
USBDevice 2.0 / Host 2.0 low / high / full
TCP / IPModbus TCP Server & Client, OPC UA Server & Client, OPC UA HA Server (optional)
CAN / RS 232/4852 x CAN 2.0 / Modbus RTU Master & Slave, SCPI, ASCII, SMTP, NTP, PTP
General technical information 
Dimensions / weightH 217 x W 88 x D 128 mm / 750 g
FixingMounting rail DIN EN 60715 or screw mounting
Connecting terminalsPlug-in screw terminals, 96 terminals in 2 rows, max. 1.5 mm²
Temperature range-20 .. 50 °C*
Humiditymax. 90 % relative humidity, non-condensing
Supply voltage12 .. 24 V / ± 10%
Power input normal modemax. 15 watts
Power input sleep mode5 mW@12 V, 10 mW@24 V

* Sufficient air circulation in the control cabinet must be ensured.
Status: 19.10.2023