ADInstruments PowerLab 2/20 - Powerlab 4;20 Specifications

36 PowerLab Owner’s Guide
Maximum power needs: 18 VA (full complement of front-ends and
pods)
Operating temperature range: 0 to 35 °C, 0 to 90% humidity (non-
condensing)
PowerLab 4/20 Specifications
Input
Number of inputs: 4
Input configuration: Single-ended or differential (the latter only
through the pod connectors on Inputs 1 & 2)
Amplification ranges: ±2 mV to ±10 V full scale in 12 steps
± 10 V
± 5 V
± 2 V
± 1 V
± 0.5 V
± 0.2 V
± 0.1 V
± 50 mV
± 20 mV
± 10 mV
± 5 mV
± 2 mV
Maximum input voltage: ±15 volts
Input impedance: ≈ 1 MΩ || 47 pF @ DC
Low-pass filtering: 20 kHz fixed second-order filter
Further digital filtering in software
AC coupling: DC or 0.1 Hz (software-selectable)
Frequency response (–3 dB): 20 kHz @ ±10 V full scale, all ranges
DC drift: Software-corrected
CMRR (differential): 96 dB @ 50 Hz (typical)
Input crosstalk: –110 dB typical
Input noise: <2.4 µV
rms
referred to input, DC to 20 kHz