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PicoScope 2104 & 2105 PC Oscilloscope User Guide
2
Copyright 2006 Pico Technology Limited. All rights reserved.PS2100044-1.0
1.3
Safety warning
We strongly recommend that you read the general safety information below before
using your PicoScope PC Oscilloscope for the first time. Safety protection built in to
the equipment may cease to function if the equipment is used incorrectly. This could
cause damage to your computer, or lead to injury to yourself and others.
Maximum input range
The PicoScope 2104 and 2105 PC oscilloscopes are designed to measure voltages in
the range -20 V to +20 V and are protected against continuous or transient
overvoltages of up to ±50 V. Any voltages in excess of ±50 V may cause permanent
damage to the oscilloscope or to your computer.
Measurement category
PicoScope 2000 Series PC Oscilloscopes are rated for use in measurement category I
(EN61010 CAT I), which covers measurements on circuits not connected to the
mains. You must not use your PicoScope PC Oscilloscope to make measurements on
any circuit directly connected to the mains, unless you use a purpose-built isolating
probe rated for the appropriate voltage and measurement category.
Safety grounding
The PicoScope PC Oscilloscopes connect directly to the ground of a computer through
the interconnecting cable provided.
As with most oscilloscopes, avoid connecting the ground input to any source other
than ground. If in doubt, use a meter to check that there is no significant AC or DC
voltage between the ground input of the oscilloscope and the point to which you
intend to connect it. Failure to check may cause damage to your computer, or lead to
injury to yourself and others.
You should assume that the product does not have a protective safety earth.
Repairs
PicoScope PC Oscilloscopes contain no user-serviceable parts. Repair or calibration of
the unit requires specialised test equipment and must be performed only by Pico
Technology. Spare probe tips are available from Pico Technology and its authorised
distributors.
1.4
FCC notice
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference
in which case the user will be required to correct the interference at his own expense.
For safety and maintenance information see the safety warning.