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BIOPAC Systems, Inc.
MP35/30 ACQUISITION UNIT
The MP35/30 data acquisition unit is the heart of the Biopac Student Lab
PRO
System. The MP35/30
has an internal microprocessor to control data acquisition and communication with the computer. The
MP35/30 unit takes incoming signals and converts them into digital signals that can be processed
with your computer. There are four analog input channels, one of which can be used as a trigger
input. You will need to connect the MP35/30 to your computer and connect electrodes, transducers,
and I/O devices to the MP35/30. You are encouraged to take a few minutes to familiarize yourself
with the MP35/30 prior to making any connections.
SYMBOLS — MP35
Symbol Description
Explanation
TYPE BF
EQUIPMENT
Classification
Attention
Consult accompanying documents
On
(partial)
Turns MP35 on assuming AC300A
power adapter is powered by the mains
Off
(partial)
Turns MP35 off if but AC300A power
adapter remains powered by the mains
Direct current
Direct current output
USB
USB port
COMPLIANCE
SAFETY
The MP35 satisfies the Medical Safety Test Standards affiliated with IEC60601-1. The MP35 is
designated as Class I Type BF medical equipment
EMC
The MP35 satisfies the Medical Electromagnetic Compatibility (EMC) Test Standards affiliated with
IEC60601-1-2.
TYPES OF INPUT DEVICES
There are three types of devices that connect to the MP35/30: electrodes, transducers, and I/O
devices.
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Electrodes are relatively simple instruments that attach to the surface of the skin and pick up
electrical signals in the body.
•
Transducers, on the other hand, convert a physical signal into a proportional electrical signal.
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Input/Output devices (I/O for short) are specialized devices like pushbutton switches and
headphones.
