Bioelettronica Forza User manual

User Manual v1.3

forza

Single channel amplifier

Read this manual carefully before using forza

 forza user manual v1.3
 
 
3 
1GENERAL DESCRIPTION..............................................................................................................................4 
2FORZA KIT CONTENT ...................................................................................................................................4 
3END USER.....................................................................................................................................................4 
3.1 CONTRAINDICATIONS.............................................................................................................................................. 5 
3.2 SIDE EFFECTS ....................................................................................................................................................... 5 
4SAFETY CAUTIONS AND WARNINGS ...........................................................................................................5 
5SYMBOLS USED ON FORZA AND IN THE USER MANUAL .............................................................................6 
6TECHNICAL SPECIFICATIONS ......................................................................................................................8 
7DETAILED DESCRIPTION .............................................................................................................................9 
7.1 CONTROLS,INDICATORS AND ADAPTER ...................................................................................................................... 10 
7.2 BATTERY CHARGE PROCESS .................................................................................................................................... 11 
7.3 SYSTEM REQUIREMENT FOR PC ............................................................................................................................... 12 
8 USE OF FORZA DEVICE ...............................................................................................................................12 
8.1 INTENDED OF USE ............................................................................................................................................... 12 
8.2 PLACE OF USE .................................................................................................................................................... 12 
8.3 PC USE OF FORZA ............................................................................................................................................... 12 
8.4 ANALOG MODE USE OF FORZA…………………………………………………………………………………………………………………………………13 
8.5 FORMULA FOR THE FORCE CALCULATION ..................................................................................................................... 13 
9 TROUBLESHOOTING ...................................................................................................................................13 
10 FORZA MAINTENANCE AND STORAGE........................................................................................................15 
11 TECHNICAL CHARACTERISTICS ..................................................................................................................17 
12 WARRANTY .................................................................................................................................................18 

forza user manual v1.3

1GENERAL DESCRIPTION

The forza

is single channel general purpose amplifier. This system has been designed to amplify and to filter any differential

single ended signals.

The information detected from the input are conditioned and then transferred to a PC with a wired connection (USB) or available

in analog modality on the output connector.

Forza connected to a PC via USB:

Forza works with a software named OT BioLab+ in order to display and process the data. This software is part of the Forza

system and it is also possible to download it for free on the website www.otbioelettronica.it in the Downloads section.

Forza in analog mode:

Forza can be connected to other devices (e.g. to the AUX-IN connector of the devices: EMG-USB2+, EMG-USB, Quattrocento e

MEBA) or it can be connected to a standard acquisition board or to an oscilloscope.

2FORZA KIT CONTENT

•1 single channel amplifier forza;

•1 miniUSB connection cable to recharge internal

battery and for PC connection.

•1 2,5mm 4 poles Jack - BNC cable

3END USER

USER: Specialized operator

a) Knowledge: Minimum. Basic notions about physics

b) Languages: Italian and/or English

c) Experience: Minimum. Minimum training about the device use

forza user manual v1.3

d) Handicaps:

•Maximum reduction of the hearing of 40% with residual hearing at 60%;

•Maximum sight reduction of 40% with residual sight at 60%

3.1 Contraindications

Forza has no particular contraindications when used jointly with personal computers, provided that all the electrical devices

connected to it comply with safety rules and standards concerning grounding and leakage currents.

3.2 Side effects

No significant side effects are known. The materials used for manufacturing all the parts in contact with the patient are

biocompatible. Possible slight cutaneous allergic reactions (e.g. skin reddening) are reduced to a minimum during short duration

of signal acquisitions.

4SAFETY CAUTIONS AND WARNINGS

The use of forza is forbidden in the following conditions:

•Simultaneous use of electro surgery systems, shortwave or microwave therapy or near these type of devices;

•Unsound mind patient;

•The device is damaged;

•Near inflammable anaesthetics with air, oxygen or nitrous oxide.

•To make an electrocardiographic exam

These warnings must be followed:

•Contact immediately the manufacturer if foreign materials (liquids, etc.) come into contact with the device.

•If the device falls in to the ground or something similar happens, check if the device is undamaged. In case of doubt,

forza user manual v1.3

contact the manufacturer.

•The forza could be sensitive to electromagnetic interferences of other devices that could alter its electromyography

measurements and consequently the variables calculated on the basis of the information detected. For this reason, do not

use it near devices that could cause the problems described above, for example mobile phones, instruments with power

transformer, etc.

•The operator must be sure that the battery of the device is completely charged following what is indicated in this User’s

Manual before to use the device.

•The device must be kept out of reach of children or unsound mind patient

•Do not clean the device using acetone, ether, freon, oil products or any other solvent

•Do not use soap or water on the connector pin

•Do not clean forza or connection cables with water, in autoclave or steam cleaning

The device must not be used in any other way than indicated in these instructions

5SYMBOLS USED ON FORZA AND IN THE USER MANUAL

Read carefully the instruction remarks before use

Serial number

Manufacturer

Do not dispose this product as unsorted municipal waste. Collection

of such waste separately for special treatment is necessary following the 2002/96/EC Law of the European Parliament

and Council of the European Union about the disposal of e-waste.

forza user manual v1.3

CE marking - Device in compliance with applicable Community directives.

Read the instructions of use

forza user manual v1.3

6TECHNICAL SPECIFICATIONS

The forza device is a battery system designed following the medical regulations in order to ensure the patient safety.

The signal amplified by the system is transferred to a PC by wired USB.

In table 1 technical specifications of the forza device are reported.

TAB. 6.1: forza technical specification

Model

Forza

Classification

Battery system

Degree of Protection

IP20

Case

Painted plexiglas case

Power Supply

3,7V Battery, rechargeable

Battery time

8 Hours (full charge)

Charging time

2 hours

Numbers of Channels

Dynamic

0 ÷ 50 mVPP

Bandwidth

0 ÷ 33Hz

Input Noise

< 10 VRMS

Gain (digital mode)

100 V/V

Gain (analog mode)

Selectable: 100-200-500-1000 V/V

CMRR

>96 dB

Output Dynamics

0 ÷ 5 V

A/D converter resolution

24 bits

Wired transmission modality

USB

Sampling rate

100 Hz

Dimensions

59 x 95 x 20 mm

Weight

100g

forza user manual v1.3

7DETAILED DESCRIPTION

Controls, indicators and connectors of the forza are shown in Fig. 1 and described in the following section.

Fig. 7.1: Front and Back view of the forza device.

Frontal view

Offset Null Button

Gain Button

Jack Output

Connector

Analog out

USB Connector

Switch

Posterior view

forza user manual v1.3

7.1 CONTROLS,INDICATORS AND ADAPTER

Description of controls, indicators and connectors shown in fig.7.1:

Controls:

•Load Cell Input: This input allows the connection of bridge transducers like load cells.

•ON/OFF switch: With this switch is possible to turn off and on the forza system.

When the system is connected via USB to the PC it is automatically on, independently of the ON/OFF switch position.

•Offset Null button: this button allows you to reset the output offset of forza in the analog mode use (for digital mode

use offset reset occurs via SW).

•Gain Select button: this button allows you to change the system gains in the analog mode use (digital mode use has

fixed gain of 100V/V).

•OUT: At this connector is available the analog force signal amplified, filtered and with the possibility to delete offset

(everything is after the optical isolation of the device).

•USB connector: this connector is used to recharge battery and to transfer data from forza to PC.

LEDs:

Battery/Error

Status

Recharge

Gain

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