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 M
Ω
||
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
µ
V
rms
referred to input, DC to 20 kHz
Summary of Contents for PowerLab 2/20
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