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Responsible body is the indi-
l
vidual or group responsible
for the use and maintenance
of equipment, for ensuring
that the equipment is oper-
ated within its specifications
and operating limits, and for
ensuring operators are
adequately trained.
Operators use the product for
l
its intended function. They
must be trained in electrical
safety procedures and proper
use of the instrument. They
must be protected from elec-
tric shock and contact with haz-
ardous live circuits.
Maintenance personnel per-
l
form routine procedures on
the product to keep it oper-
ating properly (for example,
setting the line voltage or
replacing consumable mater-
ials). Maintenance procedures
are described in the user doc-
umentation. The procedures
explicitly state if the operator
may perform them. Otherwise,
they should be performed
only by service personnel.
Service personnel are trained
l
to work on live circuits, per-
form safe installations, and
repair products. Only properly
trained service personnel may
perform installation and ser-
vice procedures.
Operator is responsible to maintain safe
operating conditions. To ensure safe oper-
ating conditions, modules should not be
operated beyond the full temperature
range specified in the Environmental and
physical specification. Exceeding safe
operating conditions can result in shorter
lifespans, improper module performance
and user safety issues. When the modules
are in use and operation within the spe-
cified full temperature range is not main-
tained, module surface temperatures may
exceed safe handling conditions which
can cause discomfort or burns if touched.
In the event of a module exceeding the
full temperature range, always allow the
module to cool before touching or remov-
ing modules from chassis.
Keysight products are designed for use
with electrical signals that are rated
Measurement Category I and Meas-
urement Category II, as described in the
International Electrotechnical Com-
mission (IEC) Standard IEC 60664. Most
measurement, control, and data I/O sig-
nals are Measurement Category I and
must not be directly connected to mains
voltage or to voltage sources with high
transient over-voltages. Measurement
Category II connections require pro-
tection for high transient over-voltages
often associated with local AC mains con-
nections. Assume all measurement, con-
trol, and data I/O connections are for
connection to Category I sources unless
otherwise marked or described in the
user documentation.
Exercise extreme caution when a shock haz-
ard is present. Lethal voltage may be
present on cable connector jacks or test fix-
tures. The American National Standards
Institute (ANSI) states that a shock hazard
exists when voltage levels greater than 30V
RMS, 42.4V peak, or 60VDC are present. A
good safety practice is to expect that haz-
ardous voltage is present in any unknown
circuit before measuring.
Operators of this product must be pro-
tected from electric shock at all times. The
responsible body must ensure that oper-
ators are prevented access and/or insulated
from every connection point. In some cases,
connections must be exposed to potential
human contact. Product operators in these
circumstances must be trained to protect
themselves from the risk of electric shock. If
the circuit is capable of operating at or
above 1000V, no conductive part of the cir-
cuit may be exposed.
Do not connect switching cards directly to
unlimited power circuits. They are intended
to be used with impedance-limited sources.
NEVER connect switching cards directly to
AC mains. When connecting sources to
switching cards, install protective devices
to limit fault current and voltage to the
card.
Before operating an instrument, ensure that
the line cord is connected to a properly-
grounded power receptacle. Inspect the con-
necting cables, test leads, and jumpers for
possible wear, cracks, or breaks before each
use.
When installing equipment where access to
the main power cord is restricted, such as
rack mounting, a separate main input power
disconnect device must be provided in close
proximity to the equipment and within easy
reach of the operator.
For maximum safety, do not touch the
product, test cables, or any other instru-
ments while power is applied to the circuit
under test. ALWAYS remove power from the
entire test system and discharge any capa-
citors before: connecting or disconnecting
cables or jumpers, installing or removing
switching cards, or making internal
changes, such as installing or removing
jumpers.
Do not touch any object that could provide
a current path to the common side of the
circuit under test or power line (earth)
ground. Always make measurements with
dry hands while standing on a dry, insu-
lated surface capable of withstanding the
voltage being measured.
The instrument and accessories must be
used in accordance with its specifications
and operating instructions, or the safety of
the equipment may be impaired.
Do not exceed the maximum signal levels of
the instruments and accessories, as defined
in the specifications and operating inform-
ation, and as shown on the instrument or
test fixture panels, or switching card.
When fuses are used in a product, replace
with the same type and rating for continued
protection against fire hazard.
Chassis connections must only be used as
shield connections for measuring circuits,
NOT as safety earth ground connections.
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