Spengler LeECG Serie Manuel De L'utilisateur page 216

Caution
When the input signal amplitude is lower than the minimum amplitude (20μVp-
p) specified in the technical specifications, the measurement result may be
inaccurate.
Caution
The customer or the user of the device should assure that the device is used
under the electromagnetic environment specified below, otherwise the device
may not work normally.
The following cables must be used to meet electromagnetic emission and
anti-interference requirements:
No. Name
1 Patient cable
2 DC power adapter cable
3 Power cable
The guidelines and manufacturer's declaration are detailed in the
following tables:
Table 1
Guidance and Manufacturer's Declaration – Electromagnetic Emissions
Emissions test
RF emissions
CISPR 11
RF emissions
CISPR 11
Harmonic emissions
IEC 61000-3-2
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Length
Approximately 3.2m
1.2m
1.8m
Compliance
Group 1
Class B
Class A
Clause 5
E-2
Shield (Yes/No)
Yes
No
No