OSCILLA SM450-FF Instructions For Use Manual Download Page 10 | Manualshive

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OSCILLA SM450-FF Instructions For Use Manual Download Page 10

ID: 993 / ver. 206

10

7.1

Calibration of probe tone

To calibrate the probe tone, an artificial ear with a 2cc coupler

2

is required. Place the probe in a 2cc coupler.

Adjust the sliders so all frequencies from 226 Hz to 4 kHz, reach 100 dB SPL.

2

According to IEC 60318-5

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Summary of Contents for SM450-FF

Page 1: ...ID 993 ver 206 1 USB Calibration Software Instructions for Use Oscilla USB100 series USB300 series SM450 FF SM930 SM950 TSM400 TSM500 T830 and T840...

Page 2: ...th SM930 and SM950 7 6 1 Air conductor calibration 8 6 2 Bone conductor calibration 8 7 Use of the program with TSM400 TSM500 T830 T840 9 7 1 Calibration of probe tone 10 7 2 Pressure calibration 11 7...

Page 3: ...on file from the computer a USB flash stick or a CD drive and start the installation file Follow the installation windows on the screen and press Finish on the last window The software is now installe...

Page 4: ...ng Free field Phone2 Insert The program can be controlled by the mouse dragging the sliders and clicking the buttons However to make the calibration process more convenient it can also be controlled b...

Page 5: ...he left channel place the right telephone on the artificial ear select the right channel and repeat the tone and masking calibration Before you start the calibration be sure the transducer in the drop...

Page 6: ...cally be set to maximum If it is the Berringer MS16 the volume must be set to 75 and fixed before doing the free field calibration The speaker angle must also be selected in the dropdown menu 0 degree...

Page 7: ...ore information The program can be controlled by the mouse dragging the sliders and clicking the buttons However to make the calibration process more convenient it can also be controlled by the keyboa...

Page 8: ...left channel place the right telephone on the artificial ear select the right channel and repeat the tone and masking calibration Before you start the calibration be sure the transducer in the dropdow...

Page 9: ...the RETSPL values for each frequency See section 6 Hearing level offsets for more information The program can be controlled by the mouse dragging the sliders and clicking the buttons However to make...

Page 10: ...on of probe tone To calibrate the probe tone an artificial ear with a 2cc coupler2 is required Place the probe in a 2cc coupler Adjust the sliders so all frequencies from 226 Hz to 4 kHz reach 100 dB...

Page 11: ...ssure when calibrating The manometer must be able to measure at least 500 daPa to 500 daPa with an accuracy of 0 5 Follow the guide in the calibration software 1 Press Start pressure calibration 2 Be...

Page 12: ...essure and type in the value in the input field and press Next 5 Read out the negative pressure and type in the value in the input field and press Next 6 The pressure calibration is now completed Unpl...

Page 13: ...can be done by selecting 500 Hz and then position the telephone to get the biggest readout on the calibration equipment By means of the five calibration sliders calibrate the sound pressure for the fi...

Page 14: ...D 993 ver 206 14 7 4 Time and date The TSM400 TSM500 T830 and T840 has internal date and time Real Time Clock RTC To set this similar to the time and date from the PC click the button Set Date and Tim...

Page 15: ...ft channel place the right telephone on the artificial ear select the right channel and repeat the tone and masking calibration Before you start the calibration be sure the transducer in the dropdown...

Page 16: ...ml file that is placed in the program folder RetSPL values 0 0 to 200 0 RetSPL_TDH39_NameOfStandart ISO 389 1 1998 RetSPL_TDH39_NameOfStandart RetSPL_TDH39_125 45 RetSPL_TDH39_125 RetSPL_TDH39_250 25...

Page 17: ...ID 993 ver 206 17 ISO RETSPLs ANSI S3 6 2010 RETSPLs...

Page 18: ...mode all corrections and RETSPL values are included automatically i e 80 SPL in the calibration software results in a read out of 80 SPL on the level meter assuming microphone and mastoid corrections...

Page 19: ...05 50 95 05 250 25 5 0 00 70 95 50 500 11 5 0 02 80 91 48 750 7 5 0 01 80 87 49 1000 7 0 0 01 80 87 01 1500 6 5 0 04 80 86 54 2000 9 0 0 11 80 89 11 3000 10 0 0 25 80 90 25 4000 9 5 0 40 80 89 90 6000...

Page 20: ...the dB level meter will also show 105 5dB SPL i e 80dB HL 25 5 dB at 250 Hz 105 5dB SPL Bone condcutor When calibrating an audiometer with B 71 at 50 dB VFL on 1000 Hz from the calibration software th...

Page 21: ...the calibration is finished If you have a free field audiometer and have done the Free field calibration too remember to check mark the Free field calibrated In the settings window you are able to set...

Page 22: ...ivity force in mV N 120 mV N to 140 mV N combined with small frequency corrections will be stated on the calibration certificate when you get a factory calibration from e g Br el Kj r for the BK4930 m...

Page 23: ...uipment information In order to get the type and serial numbers for calibration equipment on the calibration certificate you have to enter this information in the calibration software Click on Setting...

Page 24: ...The electrical installation to which the device is connected complies with EN IEC requirements The device is used in accordance with the instructions for use The manufacturer reserves the right to wai...

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