ALPHA
Model 6000
User Training Manual
Vitalograph Ltd. UK
Maids Moreton, Buckingham,
MK18 1SW
England
Tel: (01280) 827110
Fax: (01280) 823302
E-mail: sales@vitalograph.co.uk
www.vitalograph.co.uk
Vitalograph Ltd. International
Maids Moreton, Buckingham,
MK18 1SW
England
Tel: +44 1280 827120
Fax: +44 1280 823302
E-mail: sales@vitalograph.co.uk
www.vitalograph.eu
Vitalograph GmbH
Rellinger Straße 64a,
D-20257 Hamburg,
Germany
Tel: +49 40 547391-0
Fax: +49 40 547391-40
E-mail: info@vitalograph.de
www.vitalograph.de
Vitalograph Inc.
13310 West 99th Street,
Lenexa, Kansas, 66215,
USA
Toll Free: 800 255 6626
Tel: (913) 730 3200
Fax: (913) 730 3232
E-mail: vitcs@vitalograph.com
www.vitalograph.com
Vitalograph (Ireland) Ltd.
Gort Road Business Park,
Ennis, Co. Clare,
Ireland
Phone: +353 65 6864100
Fax: : +353 65 6829289
e-mail: sales@vitalograph.ie
www.vitalograph.ie
Vitalograph Ltd. Hong Kong /China
Unit 2001, Floor 20, Block A,
New Trade Plaza, 6 On Ping Street,
Shatin
Hong Kong
Phone: +852 2117 2678
Fax: : +852 2117 2679
E-mail: sales@vitalograph.cn
www.vitalograph.cn
© Copyright Vitalograph 2013
Current Edition (Issue 11)
Cat. No. 07368
is a registered trademark
Figure 1
The Vitalograph ALPHA is a desktop spirometer designed for use by trained professionals in the doctor’s office, clinic, hospital department, etc. for measuring and archiving tests on human subjects. Demographic data are uploaded or entered via a keypad and stored, together with spirometry test data. Current test data can be viewed on the LCD and printed and downloaded to a PC. There are a variety of backup and other configuration options.
Information about the software can be obtained from the About box. This information can be used if any queries are made to Vitalograph or
To access the About box:
Warning: No modification of this equipment is allowed. Any unauthorised changes to the Alpha device may compromise product safety and/or data and as such Vitalograph cannot be held responsible and the device will no longer be supported.
The device is a spirometer which measures patient respiratory parameters including FVC, FEV1, FEV6, PEF, MVV and VC. The Vitalograph Alpha is a desktop spirometer designed for lung function testing for use on adults and pediatrics, 5 years and older, in a variety of environments such as hospital wards, health centers and private homes under the supervision of a healthcare provider.
A |
Vitalograph ALPHA device |
B |
LCD |
C |
Keypad |
D |
Flowhead |
E |
Printer |
The Vitalograph ALPHA features include:
The Vitalograph ALPHA can be powered using the purpose-built low voltage Power Supply unit with which it is supplied or from the internal Battery Pack. When powered from the low voltage Power Supply the LED on the front face on the device will be green. The LED will be orange when the device is powered from the Battery Pack.
The Vitalograph ALPHA is fitted with a rechargeable Battery Pack. This allows the device to be used without the 12V Power Supply connected. The battery pack can be re-charged by plugging in the 12V Power Supply. To fully re-charge switch off the Vitalograph ALPHA and leave it plugged in over-night.
The battery pack can also be re-charged by connecting the device to a PC via the USB cable. The USB connector is located on the right side of the device. Switch off the Vitalograph ALPHA when re-charging the batteries via USB.
The recommended battery pack replacement interval is 3 years. Battery replacement should be carried out only by the manufacturer, the approved importer or by Service Agents specifically approved by Vitalograph.
Note: Operating the Vitalograph ALPHA device from the USB is not possible. The USB can be used to re-charge the batteries only.
The Vitalograph ALPHA has a number of battery power detect messages:
When the Battery Pack starts to run low the Battery Low icon will flash on and off on the Main Menu screen. |
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When the Battery Pack is approaching fully discharged the Battery Discharged icon will appear continuously on the Main Menu screen. |
After turning on the device, you are presented with the New Subject screen. A series of dialog boxes appear in which you enter information using the keypad. Instructions appear at the bottom of the screen to guide you through the information to be entered. Once you are ready to move onto the next dialog box, press the ‘Enter’ key on the keypad. These dialog boxes appear one at a time in the following order:
If you wish to change the data entered press the ‘Delete’ key and enter the data again. Pressing the ‘Delete’ key repeatedly will step back through the dialogue boxes. Once you have finished entering the data press the ‘Enter’ key to bring you to the Main Menu.
The Population Group, Weight and Smoking History fields may not appear in the New Subject screen. This is dependent on the variant of the device.
Note: The Subject Information will now be printed to the internal printer if it is selected.
If you wish to enter different subject details select the ‘New Subject’ option from the Main Menu using the keypad. You will be asked if you wish to clear results.
6.2.1. Checks to Make before Performing a Test Session
- Before starting a test session, there are a number of checks which should be made:
- Ensure that the accuracy of the Vitalograph ALPHA unit was checked recently. (Refer to the section on Checking Accuracy)
- Ensure all the required demographic information is entered for the subject.
6.2.2. Performing a VC Test
Perform the VC test as follows:
- Select the ‘VC Test’ option from the Main Menu using the keypad.
- Wait for the ‘Exhale to Begin’ icon to appear.
This indicates that the Vitalograph ALPHA unit is ready to accept a blow.
Note: You can view the results as either a Volume/time graph or a Volume bar graph:
- Press key 1 for Volume/time (V/t) graph.
- Press key 2 for Volume bar graph.
- The VC test can be performed using two methods. Read either of the following instructions to the subject so that testing is performed properly:
Method 1:
- Stand up
- Keep the flowhead away from your mouth.
- Inhale as deeply as possible and insert the bacterial viral filter into your mouth, clamping it between your teeth.
- Close your lips around the bacterial viral filter.
- Exhale normally for as long as possible.
Method 2:
Note: Method 2 can only be used when the Volume/Time (V/t) graph is selected as the display option. This method cannot be used when the Volume bar graph is selected as the display.
- Stand up.
- Insert the bacterial viral filter into your mouth and, clamping it between your teeth.
- Close your lips around the bacterial viral filter.
- Breathe in and out normally. This is tidal breathing.
When you are happy that the subject has achieved steady tidal breathing, continue with:
- Exhale as deeply as possible.
- Inhale as much as possible (speed is not important) and when fully inhaled.
- Return to tidal breathing, i.e. breathe in and out normally again.
The VC values recorded for the blow are tabulated. The best VC value for the current session and the Lower Limit of Normality (LLN) are also displayed.
6.2.3. Performing an FVC Test
- Select the ‘FVC Test’ option from the Main Menu using the keypad.
- Wait for the ‘Exhale to Begin’ icon to appear.
This indicates that the Vitalograph ALPHA unit is ready to accept a blow.
Note: You can view the results as either a Volume/time (V/t) or a Flow/Volume (F/V) graph:
- Press key 1 for Volume/time graph.
- Press key 2 for Flow/Volume graph.
- The FVC test can be performed using 2 methods as follows. Read either of the following instructions to the subject so that testing is performed properly:
Method 1:
- Stand up.
- Keep the flowhead away from your mouth.
- Inhale as deeply as possible, then inset the bacterial viral filter into your mouth, clamping it between your teeth.
- Close your lips around the bacterial viral filter.
- Exhale as much and as quickly as possible and try to keep exhaling for at least 6 seconds.
- If inspiratory indices are selected, then inhale as quickly as possible.
Method 2:
- Clip on the nose clip to seal your nose.
- Put the bacterial viral filter (BVF) into your mouth, biting it lightly.
- Seal your lips around the mouthpiece
- Breathe in and out normally. This is called tidal breathing.
When you are happy that the subject has achieved steady tidal breathing, continue with:
The test quality (QA) is shown at the bottom of the test screen.
The number of tests performed and the Test Grade are shown in the V/t screen. Each test series is graded in relation to its repeatability between acceptable manoeuvres. The quality Grades are A, B, C, D and F.
The repeatability (Within) of FVC and FEV1 are shown in the F/V screen. The repeatability information is displayed if at least two tests are performed. I Bars on the F/V graph are shown for FEF25, FEF 50 and FEF75. An I Bar for FVC is also shown on the Volume axis. The upper mark on the I Bars indicates the predicted value for the subject. The lower mark on the I Bar indicates the LLN value for the subject. The I Bars are based on the predicted sets and will be shown if sufficient subject demographics information is entered.
Note: If a Compact Flash card is inserted into the Compact Flash connector at the right side of the device, then all test blows and not just the best three will be saved to the Compact Flash card. Results are saved as per the format outlined in the European Respiratory Journal, 2005; 26: Pages 319-338: ATS/ERS Task Force: Standardisation of Lung Function Testing.
A Post test session can be performed on an FVC test session following the administration of drugs. Post drug delivery performance is measured versus pre delivery.
To perform a Post test:
Note: If there is no Pre-Test performed, the message No FVC Tests Performed will appear.
You can print the current test session for the subject by selecting ‘Print’ from the Main Menu.
The Vitalograph ALPHA has an internal printer. It can also be connected through the USB port at the side of the unit to the Vitalograph Reports Utility, so that the report can be written to a PC.
The information printed on the session report can be configured to suit individual requirements. Refer to section on Report Settings.
The test parameters on the report will vary according to regional requirements. The test parameters and their definitions are available from the Help files, which can be accessed from the Main Menu.
Note: The internal (thermal) printout will fade over time when exposed to light or heat. If a permanent record is required, photocopy the thermal printout or send the report to the Vitalograph Reports Utility. Refer to the section on Configuration for information on selecting the internal or Vitalograph Reports Option.
If you wish to delete the current session you can do this as follows:
All spirometry standards (e.g. ATS/ERS/BTS/ANZRS) recommend checking the accuracy of lung function measuring devices at least daily with a 3-L syringe to validate that the instrument is measuring accurately. The Vitalograph ALPHA should never be outside accuracy limits unless damaged or in a fault condition. In this event, see the fault-finding guide. In normal use, calibration traceability certification is recommended as a part of the routine annual service.
ATS recommendations require that the difference between the volume measured by the spirometer and the volume pumped into the spirometer from a syringe is within 3%.
Follow these steps to check the accuracy of the unit.
Note: Press the ‘Del’ key to exit the Accuracy Check screen and return to the Main Menu. The accuracy check will not be logged to the Vitalograph ALPHA memory in this case.
Note: If the device is outside calibration you will be given the option to update the calibration. If you select this option you will be brought through the accuracy check routine again.
6.7.1. When to Check Accuracy
- In accordance with your own established procedures
- After annual maintenance checks
- After cleaning or disassembling spirometer for any reason
- After adjusting calibration
- If the flowhead has been dropped
To view the Current Subject details:
Note: You will not be able to modify any of the subject details.
To delete individual Stored Subjects/Test results:
To delete all Stored Subjects/Test results:
There are a number of Configuration options available on the Vitalograph ALPHA device. To access these, press the ‘Configuration’ option on the Main Menu using the keypad. The options available are:
6.10.1. Preferences
This will allow you to configure the device to your own requirements. Selecting this will give you the following options:
Printer
This allows you to either print the test report to the Internal Printer or send it to the Vitalograph Reports Utility on a PC. Press key ‘1’ on the keypad to switch between the two options.
Note: In order to send the report to the Vitalograph Reports Utility it is necessary to have the Vitalograph Reports Utility installed on your PC and the Vitalograph ALPHA connected to your PC via a USB cable.
Units
This allows you to select the units as Metric or US (Imperial). Press key ‘2’ on the keypad to switch between the two options.
Graph Type
This allows you to select the graph type to be shown as default in the FVC test screen, Press key ‘3’ on the keypad to switch between the Volume/Time (V/T) and Flow/Volume (F/V) graphs.
Test Acceptability
This allows you to manually accept the tests performed, or allow the device to determine test acceptability (automatic). Press key ‘4’ to switch between Manual and Automatic.
VC Test Type
This allows you to select the graph type to be shown as default in the VC test screen, Press key ‘5’ on the keypad to switch between the Volume/Time (V/T) and Volume Bar graphs.
6.10.2. Date/Time
- Select ‘Date/Time’ from the Configuration screen using the keypad.
- In the Date/Time screen press key ‘1’ to change the year. Enter the revised year as required using the keypad and press ‘Enter’. The Month, Day, Hour and minute fields are modified in the same way.
- To modify the Date Format press key ‘6’ to switch between the different date formats:
DD/MM/YYYY
MM/DD/YYYY
YYYY/MM/DD- Press ‘Enter’ to save the change.
- To modify the Time Format press key ‘7’ to switch between 24 hour and 12 hour.
- Press ‘Enter’ to save the change.
- Once you have finished modifying the date and time settings press ‘Enter’ to save the changes and return to the Configuration screen. Press ‘Delete’ to cancel the changes made and return to the Configuration screen.
6.10.3. Report Settings
The information printed on the session reports can be configured to suit individual requirements. The Vitalograph ALPHA can print to the internal printer or send the report to the Vitalograph Reports Utility.
- Select ‘Report Settings’ from the Configuration screen using the keypad. You are presented with the list of items that can be configured on the test reports.
- In the Report Settings screen press key ‘1’ to switch the Volume/time (V/t) graph on or off.
- Press key ‘2’ to switch the Flow/Volume (F/V) graph on or off.
- Press Key ‘3’ to switch the Comments on of off.
- Press key ‘4’ to switch the Test QA messages on or off.
- Press key ‘5’ to switch the Interpretation of the test results on or off.
- Press key ‘6’ to switch between showing SDS (Standard Deviation Score) or %Predicted in the session table of results. In the session table of results the % of Predicted value will be printed by default. If SDS is on, the SDS (Standard Deviation Score) will be printed instead.
- Press key ‘7’ to either show the Best Test only on the report or the Three Tests saved to the database.
- Press key ‘8’ to switch colour on or off. This option is not available for the internal printer.
- When you have finished modifying the Report Settings press ‘Enter’ to save the changes and return to the Configuration screen. Press ‘Delete’ to cancel the changes made and return to the Configuration screen.
6.10.4. Syringe/Calibration
The Vitalograph ALPHA should never be outside accuracy limits unless damaged or in a fault condition. In this event, see the fault-finding guide. In normal use, calibration traceability certification is recommended as a part of the routine annual service.
- Select the Syringe/Calibration menu using the keypad. You are presented with three options:
- Set Syringe Volume
- Linearity Check
- Calibration
Set Syringe Volume:
- Select Precision Syringe from the Syringe/Calibration screen using the keypad.
- Follow on screen instructions to enter the volume of the calibrated syringe you are using.
- Press ‘Enter’ to save the new volume entered and return to the Syringe/Calibration screen. Press Delete to cancel the changes made and return to the Syringe/Calibration screen.
Linearity Check:
- Select Linearity Check from the Syringe/Calibration screen using the keypad.
- Pump air through the flowhead to bring it to ambient temperature. If the flowhead has very recently been used for testing or has come from a cold environment, its temperature should be equilibrated with ambient by pumping air.
- Press the ‘Enter’ key to bring you into the Linearity Check screen.
- Using a 3L Calibrated syringe pump air into the flowhead at a slow rate of <2L/s. Immediately withdraw the syringe at a slow rate. This manoeuvre should show on the graph between the two red lines. If it is a correct manoeuvre the table on the screen will show ‘Test 1’, and the FVC and FIVC values will be updated.
Note: Press the ‘Del’ key to exit the Linearity Check screen.
- Repeat for the slow rate three times in total.
- Repeat the procedure outlined in iv & v for a medium rate >2L/s and <6L/s. This manoeuvre should show on the graph between the red and green lines. If it is a correct manoeuvre the test number and the FVC and FIVC values will be updated in the table.
- Repeat for the medium rate three times in total.
- Repeat the procedure outlined in iv & v for a fast rate >6L/s. This manoeuvre should show on the graph between the outside green lines. If it is a correct manoeuvre the test number and the FVC and FIVC values will be updated in the table.
- Repeat for the fast rate three times in total.
- When all the manoeuvres are complete press ‘Enter’ for the result.
- If a Linearity Check report is required select the Report option.
Calibration:
- Select Calibration from the Syringe/Calibration screen using the keypad.
- Pump air through the flowhead to bring it to ambient temperature. If the flowhead has very recently been used for testing or has come from a cold environment, its temperature should be equilibrated with ambient by pumping air through it from the syringe several times.
- Press the ‘Enter’ key to bring you into the Calibration screen and follow the on-screen instructions.
Note: Press the ‘Del’ key to exit the Calibration screen.
- If a Calibration report is required select the Report option.
6.10.5. Sound Volume
- Select the ‘Sound Volume’ option from the Configuration screen using the keypad.
- Adjust the sound level up by pressing key ‘2’.
- Adjust the sound level down by pressing key ‘8’.
- When you have finished changing the sound level press ‘Enter’ to save the changes and return to the Configuration screen.
The Vitalograph ALPHA is supplied with a roll of paper fitted into the printer. (Note: The outside of the roll of paper will not give a strong print impression due to loss of sensitivity on exposure to light).
To replace the paper follow the instructions listed below and shown in figure 2.
Note: The Vitalograph logo should be facing you on the right edge of the paper.
Warning: The paper tear bar has sharp edges. Users should take care not to cut their fingers.
Figure 2
The parts of the Vitalograph Alpha that make up the flowhead, which comes into contact with subjects being tested, require low level disinfection. The body of the device may be cleaned with an alcohol wipe.
A spirometer is not designed as a ‘sterile’ device.
A new BVF should be used with each subject to prevent cross contamination, the BVF protects both the subject and the device.
One cleaning cycle should be performed weekly.
It is recommended that the complete flowhead and flowhead connection tube be replaced annually.
Table of Materials Used & Cleaning/Disinfection Methods
Part |
Clean/Low Level Disinfection |
Recommended Cleaning / Low Level Disinfectionn |
Case Exterior | Clean | Wiping with a 70% isopropyl alcohol impregnated cloth. Note: Ensure isopropyl alcohol does not come in contact with the screen. Warning: Paper tear bar contains sharp edges. Users should take care not to cut/scrap their fingers. |
Flowhead Tube | Clean | |
Fleisch Element | Clean | |
Flowhead Body | Clean & Low Level Disinfection | See section 7.2 for disassembling and cleaning of Fleisch Flowhead. See section 7.3 for reassembling and low level disinfection of the Fleisch Flowhead |
Flowhead Cone | Clean & Low Level Disinfection | |
Flowhead End Cap | Clean & Low Level Disinfection | |
Flow Conditioning Meshes | Clean | |
Screen | Clean | Lightly wipe the surface with cotton pad or other soft material. NOTE: DO NOT use chemicals such as acetone, toluene, ethanol or isopropyl alcohol. DO NOT wipe in a circular motion. Strokes should be either up/down or over/back. |
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Always follow the safety guidelines given by the manufacturer of cleaning and disinfectant chemicals.
IT IS RECOMMENDED THAT AN ACCURACY CHECK IS CARRIED OUT FOLLOWING REASSEMBLY TO VERIFY CORRECT OPERATION AND ACCURACY.
Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Problem Fault Symptoms: |
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Possible Causes: |
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Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Problem Fault Symptoms: |
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Possible Causes: (In probable order) |
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Service and repairs should be carried out only by the manufacturer, the approved importer or by Service Agents specifically approved by Vitalograph.
For the names and addresses of approved Vitalograph Service Agents or to arrange spirometry workshops, please refer to the contact information at the start of this manual.
Cat. no |
Description |
20303 |
Nose Clips (200) |
28350 |
BVF (50) |
20408 |
1-L Precision Syringe |
36020 |
3-L Precision Syringe |
42084 |
Flow Conditioning Mesh (10) |
66149 |
Thermal Printer Paper (5) |
67252 |
USB Cable |
65054 |
Alpha 12V PowerSAFE Spare UK |
65055 |
Alpha 12V PowerSAFE Spare EU, AU, US |
61030 |
Flowhead Complete |
42029SPR |
Flowhead Connection Tube |
65354 |
CD with User Manual |
65049 |
Test Data Storage Card |
65030SPR |
Vitalograph Reports Utility |
Type BF equipment | |
Class II | |
VA | Power rating |
Voltage DC | |
Attention (reference relevant section in manual) | |
Manufacturer | |
Year of Manufacture |
Other Labels
USB connector | |
The device must be taken to separate collection at the product end-of-life. Do not dispose of these products as unsorted municipal waste. |
Product |
Vitalograph ALPHA |
Model |
6000 |
Flow detection principle |
Fleisch type pneumotachograph |
Back pressure |
Less than 0.1kPa/L/second @ 14L/s, complies with ATS/ERS 2005 |
Volume detection |
Flow integration sampling @ 100Hz |
Maximum test duration |
90 seconds |
Maximum displayed volume |
10 L |
Volume accuracy |
±3% or 0.05L |
Linearity |
Better than ±3% |
Voltage/Frequency |
110-250 V; approximately 50/60 Hz |
Accuracy when operated in operating temperature range conditions |
Flow ±10% or 0.3 L/s |
Operating temperature range |
ATS/ERS limits: 17–37ºC |
Performance standards the Vitalograph ALPHA meets or exceeds | ATS/ERS 2005, ISO 23747:2007 & ISO 26782 2009 |
Safety standards | EN ISO 60601 |
QA/GMP standards | EN ISO 23747:2007, EN ISO 26782:2009 & FDA 21CFR820 |
Size | 300 mm x 250 mm x 75 mm |
Weight | 2kg net |
Parameters measured | Varies by country variant |
Storage Temperature | 0–50ºC |
Storage Relative Humidity | 10%–95% |
Printer | Thermal |
Communications | USB and Compact Flash |
Note:
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Marking by the symbol indicates compliance of the Vitalograph ALPHA to the Medical Devices Directive of the European Community. Such marking is indicative that the Vitalograph ALPHA meets or exceeds the following technical standards:
Guidance and manufacturer’s declaration – electromagnetic emissions |
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The ALPHA is intended for use in the electromagnetic environment specified below. The customer or the user of ALPHA should assure that it is used in such an environment. |
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Emissions test |
Compliance |
Electromagnetic environment – guidance |
RF emissions CISPR 11 |
Group 1 |
The ALPHA uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment. |
RF emissions CISPR 11 |
Class B |
The ALPHA is suitable for use in all establishments, including domestic establishments and those directly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes. |
Harmonic emissions IEC 61000-3-2 |
Class A |
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Voltage fluctuations/ flicker emissions IEC 61000-3-3 |
Class A |
Guidance and manufacturer’s declaration – electromagnetic immunity |
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The ALPHA is intended for use in the electromagnetic environment specified below. The customer or the user of the ALPHA should assure that it is used in such an environment. |
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Immunity test |
IEC 60601 |
Compliance level |
Electromagnetic environment- guidance |
Electrostatic discharge (ESD) |
±6 kV contact ±8 kV air |
±6 kV contact ±8 kV air |
Floors should be wood, concrete or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30% |
Electrical fast transient/burst IEC 61000-4-4 |
±2 kV for power supply lines |
±2 kV for power supply lines |
Mains power quality should be that of a typical commercial or hospital environment. |
Surge |
±1kV differential mode ±2kV common mode |
±1 kV differential mode |
Mains power quality should be that of a |
Voltage dips, short interruptions and voltage variations on power supply input lines IEC 61000-4-11 |
<5 % 100V (>95% dip in 100V) for 0,5 cycle |
Performance A Performance A Performance A Performance A |
Mains power quality should be that of a typical commercial or hospital environment. |
Power frequency (50/60 Hz) magnetic field IEC 61000-4-8 |
3 A/m |
Not Applicable |
Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment. |
Warning 1: In the unlikely event of an electrostatic discharge causing the Alpha to switch off, the device should be turned off and then on again using the power switch. |
Guidance and manufacturer’s declaration – electromagnetic immunity | |||
The ALPHA is intended for use in the electromagnetic environment specified below. The customer or the user of the ALPHA should assure that it is used in such an environment. | |||
Immunity test | IEC 60601 Test level |
Compliance level | Electromagnetic environment - guidance |
Conducted RF IEC 61000-4-6
Radiated RF IEC 61000-4-3 |
3 Vrms
3 V/m |
3 Vrms
3V/m from 80MHz to 2.5 GHz |
Portable and mobile RF communications equipment should be used no closer to any part of the ALPHA including cables, than the recommended separation distance calculated form the equation applicable to the frequency of the transmitter. Recommended separation distance
d=1.2√P
d=1.2√P 80MHz to 800MHz
Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey, should be less than the compliance level in each frequency range. Interference may occur in the vicinity of equipment marked with the following symbol: |
Recommended separation distances between portable and mobile RF communication equipment and the ALPHA |
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The ALPHA is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the ALPHA can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the ALPHA as recommended below, according to the maximum output power of the communications equipment. |
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Rated maximum W |
Separation distance according to frequency of transmitter |
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150 kHz to 80 MHz |
80 MHz to 800 MHz |
800 MHz to 2.5GHz |
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0.01 |
0.1m |
0.1m |
0.2m |
0.1 |
0.4m |
0.4m |
0.7m |
1 |
1.2m |
1.2m |
2.3m |
10 |
3.7m |
3.7m |
7.4m |
100 |
11.7m |
11.7m |
23.3m |
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (w) according to the transmitter manufacturer. NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies. NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. |
Medical Devices may be affected by cellular telephones and other personal or household devices not intended for medical facilities. It is recommended that all equipment used near the Vitalograph product comply with the medical electromagnetic compatibility standard and to check before use that no interference is evident or possible. If interference is suspected or possible, switching off the offending device is the normal solution, as is required in aircraft and medical facilities.
Medical electrical equipment needs special precautions regarding EMC and needs to be installed and put into service according to the EMC information provided,
Portable and mobile RF communications equipment can affect medical electrical equipment.
Caution: Federal Law restricts this device to sale by, or on the order of a physician.
Product: Model 6000 Vitalograph ALPHA
Vitalograph hereby ensures and declares that the above product associated with this user manual, is designed and manufactured in accordance with the following QMS regulations and standards:
European Medical Devices Directive {MDD} 93/42/EEC, as amended.
This device is classified as 2a per Annex IX of the MDD also meets the provisions of the Essential Requirements, Annex I, via compliance with Annex II of the Medical Devices Directive as per Article 11, section 3a, excluding point 4 of Annex II.
Canadian Medical Device Regulation {CMDR SOR/98-282}
FDA Quality System Regulation {QSR} 21 CFR 820.
EN ISO 13485: 2003. Medical devices. Quality management systems. Requirements for regulatory purposes.
Certifying Body: British Standards Institute {BSI}.
{For 93/42/EEC and CMDR}.
BSI Notified Body #: 0086
Certificate Nos. CE 00772, CE 85553, MD 82182, FM 83550
Signed on behalf of Vitalograph (Ireland) Ltd.
B. R. Garbe.
Group Managing Director
Subject to the conditions listed below, Vitalograph Ltd. and its associated companies, (hereinafter called the Company) guarantee to repair or at its opinion replace any component thereof, which, in the opinion of the Company is faulty or below standard as a result of inferior workmanship or materials.
The conditions of this Guarantee are: