
-23-
INSTRUCTION OF USING HM201M
1. Pull out the rod.
2. Level the plate and start measuring.
MEASURING OVER 131 cm
-8-
Guidance and manufacturer’s declaration-electromagnetic immunity
The MS-3400-1 is intended for use in the electromagnetic environment specified below. The customer or the user of
the MS-3400-1 should assure that it is used in such an environment.
Immunity test
IEC 60601
test level
Compliance level
Electromagnetic
environment-guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6kv contact
±8kv air
±6kv contact
±8kv air
Floors should be wood,
concrete or ceramic tile. If floors
are covered with synthetic
material, the relative humidity
should be at least 30%
Electrical fast
transient/burst
IEC 61000-4-4
±2kv for power supply
lines
±1kv for input/output
lines
±2kv for power supply lines
±1kv for input/output lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge IEC
61000-4-5
±1kv differential mode
±2kv common mode
±1kv differential mode
±2kv common mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage Dips, short
interruptions and
voltage variations
on power supply
input lines IEC
61000-4-11
<5%UT(>95% dip in
UT) for 0.5 cycle
40% UT(60% dip in UT)
for 5 cycles
70% UT(30% dip in UT)
for 25 cycles
<5% UT(>95% dip in
UT) for 5 s
<5%UT(>95% dip in UT) for
0.5 cycle
40% UT(60% dip in UT) for
5 cycles
70% UT(30% dip in UT) for
25 cycles
<5% UT(>95% dip in UT)
for 5 s
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the MS-3400-1 requires
continued operation during
power mains interruptions, it is
recommended that the
MS-3400-1 be powered from an
uninterruptible power supply or
a battery.
Power frequency
(50/60Hz) magnetic
field IEC
61000-4-8
3 A/m
3 A/m
The MS-3400-1 contains no
devices susceptible to magnetic
fields.
NOTE: UT is the a.c. mains voltage prior to application of the test level.