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Model DMM7510
Quick Start Guide
Safety precautions Service personnel are trained to work on live circuits, perform safe installations, and
repair products. Only properly trained service personnel may perform installation and
service procedures.
Observe the following safety precautions before using this product and any associated in-
Keithley Instruments products are designed for use with electrical signals that are
strumentation. Although some instruments and accessories would normally be used with
measurement, control, and data I/O connections, with low transient overvoltages and
nonhazardous voltages, there are situations where hazardous conditions may be present.
must not be directly connected to mains voltage or to voltage sources with high transient
This product is intended for use by qualified personnel who recognize shock hazards overvoltages. Measurement Category II (as referenced in IEC 60664) connections
and are familiar with the safety precautions required to avoid possible injury. Read and require protection for high transient overvoltages often associated with local AC mains
follow all installation, operation, and maintenance information carefully before using the connections. Certain Keithley measuring instruments may be connected to mains. These
product. Refer to the user documentation for complete product specifications. instruments will be marked as category II or higher.
If the product is used in a manner not specified, the protection provided by the product Unless explicitly allowed in the specifications, operating manual, and instrument labels, do
warranty may be impaired. not connect any instrument to mains.
The types of product users are: Exercise extreme caution when a shock hazard is present. Lethal voltage may be present
Responsible body is the individual or group responsible for use and maintenance of on cable connector jacks or test fixtures. The American National Standards Institute
equipment, for ensuring that the equipment is operated within its specifications and (ANSI) states that a shock hazard exists when voltage levels greater than 30 VRMS,
operating limits, and for ensuring that operators are adequately trained. 42.4 VPEAK, or 60 V DC are present. A good safety practice is to expect that hazardous
voltage is present in any unknown circuit before measuring.
Operators use the product for its intended function. They must be trained in electrical
safety procedures and proper use of the instrument. They must be protected from Operators of this product must be protected from electric shock at all times. The
electric shock and contact with hazardous live circuits. responsible body must ensure that operators are prevented access and/or insulated from
every connection point. In some cases, connections must be exposed to potential human
Maintenance personnel perform routine procedures on the product to keep it operat- contact. Product operators in these circumstances must be trained to protect themselves
ing properly, for example, setting the line voltage or replacing consumable materials. from the risk of electric shock. If the circuit is capable of operating at or above 1000 V,
Maintenance procedures are described in the user documentation. The procedures no conductive part of the circuit may be exposed.
explicitly state if the operator may perform them. Otherwise, they should be performed
only by service personnel.
Do not connect switching cards directly to unlimited power circuits. They are intended to Do not exceed the maximum signal levels of the instruments and accessories, as defined
be used with impedance-limited sources. NEVER connect switching cards directly to AC in the specifications and operating information, and as shown on the instrument or test
mains. When connecting sources to switching cards, install protective devices to limit fault fixture panels, or switching card.
current and voltage to the card. When fuses are used in a product, replace with the same type and rating for continued
Before operating an instrument, ensure that the line cord is connected to a properly protection against fire hazard.
grounded power receptacle. Inspect the connecting cables, test leads, and jumpers for Chassis connections must only be used as shield connections for measuring circuits,
possible wear, cracks, or breaks before each use. NOT as protective earth (safety ground) connections.
When installing equipment where access to the main power cord is restricted, such as If you are using a test fixture, keep the lid closed while power is applied to the device
rack mounting, a separate main input power disconnect device must be provided in close under test. Safe operation requires the use of a lid interlock.
proximity to the equipment and within easy reach of the operator.
For maximum safety, do not touch the product, test cables, or any other instruments If a screw is present, connect it to protective earth (safety ground) using the
while power is applied to the circuit under test. ALWAYS remove power from the entire wire recommended in the user documentation.
test system and discharge any capacitors before: connecting or disconnecting cables This symbol on an instrument means caution, risk of danger. The user
or jumpers, installing or removing switching cards, or making internal changes, such as should refer to the operating instructions located in the user documentation
installing or removing jumpers. in all cases where the symbol is marked on the instrument.
Do not touch any object that could provide a current path to the common side of the This symbol on an instrument means caution, risk of electric shock. Use
circuit under test or power line (earth) ground. Always make measurements with dry standard safety precautions to avoid personal contact with these voltages.
hands while standing on a dry, insulated surface capable of withstanding the voltage being
measured. This symbol on an instrument shows that the surface may be hot. Avoid
personal contact to prevent burns.
For safety, instruments and accessories must be used in accordance with the operating
This symbol indicates a connection terminal to the equipment frame.
instructions. If the instruments or accessories are used in a manner not specified in the
operating instructions, the protection provided by the equipment may be impaired.
FAQs
Safety Introduction Unpack Connect Explore Test
Next steps
installation into a computer) should never require cleaning if handled according to
If the mercury symbol is on a product, it indicates that mercury is present
instructions. If the board becomes contaminated and operation is affected, the board
in the display lamp. Please note that the lamp must be properly disposed of
should be returned to the factory for proper cleaning and servicing.
according to federal, state, and local laws.
WARNING This heading in the user documentation explains dangers that might Safety precaution revision of January 2013
result in personal injury or death. Always read the associated infor-
mation very carefully before performing the indicated procedure. Power and environmental specifications
CAUTION This heading in the user documentation explains hazards that could
damage the instrument. Such damage may invalidate the warranty. For indoor use only.
Instrumentation and accessories shall not be connected to humans.
Power supply 100 V to 240 VRMS, 50 Hz to 60 Hz
Before performing any maintenance, disconnect the line cord and all test cables. (automatically sensed at power up)
To maintain protection from electric shock and fire, replacement components in mains
Maximum VA 60 VA
circuits -- including the power transformer, test leads, and input jacks -- must be
purchased from Keithley Instruments. Standard fuses with applicable national safety ap- Operating altitude Maximum 2000 m (6562 ft) above
provals may be used if the rating and type are the same. Other components that are not sea level
safety-related may be purchased from other suppliers as long as they are equivalent to the
original component (note that selected parts should be purchased only through Keithley
Operating temperature 0