MF300F+ manual - Diverse Technologies
Contents
1. displayed on the second line as usual but the expected value for one of the transfer standards will be shown on the third line To cycle through the transfer standards use the up or v down keys This mode facilitates checking the veracity of the instrument 4 4 Bottom line The bottom line has a bar graph which shows the current value graphically where a full bar corresponds to full scale 115 FN Page 9 www diverse technologies net Operation Menu Step 5 Menu To access the menu press and hold the v tick key Use the a up or down keys to move between the options and vw tick key top access a particular option 5 1 Select factory user calibration Cal F U The instrument can be operated with the factory calibration or a user calibration Press the v tick key to select between these two options Press the a up or v down keys to toggle between the two options v tick selects and power to abandon 5 2 New user calibration New cal This option allows a user calibration to be performed A user may opt for this if the transfer calibration standards are not measuring accurately If the transfer standards do not read accurately after a user calibration then the instrument should be returned to Diverse for factory calibration Press v tick key to select user calibration The screen will show zeroing and then request user to place probe onto the centre of TO sample and press tick The instrument will display the fa2. the ferrite content is too high the weld may be weaker and corrode To address the need to measure the amount of ferrite in a sample the Welding Research Council introduced the Ferrite Number FN as standardised value which related to the ferrite content of an equivalently magnetic weld metal The volume percentage of ferrite can be estimated as about 70 of the FN but the relationship depends upon the type and origin of the stainless steel used and the measurement technique The Diverse Ferrite meter MF300F measures the Ferrite number FN of austenitic and duplex stainless steel weld material It has a probe see Gy image that is sensitive to ferrite content in a 10 mm area to a depth of approximately 1 mm The instrument is calibrated using the secondary ferrite number standards prepared by the National Institute of Standards and Technologies NIST in USA Sixteen standards are used ranging from 0 5 to 111 9 FN giving an instrument with a measurement range from 0 to 115 FN Transfer standards are supplied with the instrument allowing performance to be verified at any time Page 4 www diverse technologies net First time The MF300F Ferrite Meter is supplied in a red carry case with 5 transfer calibration standards The Meter is calibrated within a few weeks of despatch and a T calibration certificate will be supplied typically valid for 12 months from the date of purchase However the veracity of the instrume
3. ctor used for user calibration a factor of 1 0 indicates no change from factory calibration 5 3 Transfer calibration mode Trans This allows selection of the transfer calibration mode for description see 4 3 Third line Page 10 www diverse technologies net Operation Menu continued 5 4 View data log Viewlog This displays the log of saved ferrite records 4 records per screen To cycle through the records use the a up or down keys any other key to leave 5 5 Clear data log ClrLog This option will set all of the records to 0 0 FN and the next saved record will start at record 1 5 6 Serial download Serial If you have the serial option readings from the instrument can be output to a computer via a serial link This can be RS232 or USB Connect the instrument to the PC using the cable provided Use this function to download the log 52 records See the following section for operating the serial software Page 11 www diverse technologies net Software Software The serial version of the MF300F is supplied with software to run on a windows 7 Vista XP 2000 PC see First Time for information about installation The program name is MAGW EXE Its operation is as follows Download files from from our website Copy all the files to the directory in which you want to work there is no separate installation file Generate an icon for the program on your desktop by right clicking the desktop then selec
4. gging software provided then you can use any serial terminal software such as Hyperterminal supplied free with Windows XP Free updates to the logging software are placed on our web site http www diverse technologies net Page 13 www diverse technologies net MF300F Specification Units Ferrite Number FN Ferrite percentage F Range 0 115 FN 0 80 5 F Resolution 0 1 FN 0 1 F Standard Accuracy 10 C 30 C FN 0 10 0 5 FN FN 10 30 5 of the reading FN 30 100 10 of the reading Air cooled Accuracy 30 C 300 C FN 0 10 1FN FN 10 30 10 of the reading FN 30 100 20 of the reading Transfer standards Five transfer standards Range typically 3 FN to 115 FN Mode Aremoeorpk 120mm Sensing area 10mm diameter Operating temperature Standard 0 C 40 C Air cooled 0 C 300 C Air cooled operation Air line supply regulated to 1 bar maximum Oil filtered supply desirable Air temperature ambient 10 C 30 C Weight in case 1 25 kg Support Call email Diverse for support for use of the instrument or assistance with unusual application Page 14 www diverse technologies net Low battery If the MF300F displays the legend Low Battery on the bottom row of the display when the batteries are low When the batteries are low the bar graph facility is not available Do not use the instrument when the batteries are low as the accuracy may be compromised If you are using rechargab
5. le cells then recharge them using a suitable charger If you are using dry cells replace with 4xAA alkaline cells Never use a battery charger with conventional dry cell batteries Page 15 www diverse technologies net Liability Diverse Technologies accepts no responsibility for the consequeniial losses arising from the ability or inability to use the equipment supplied The limit of warranty is the repair or replacement of any faulty components directly attributable to manufacturing defects arising during the period of 12 months following purchase This does not include damage resulting from incorrect operation of the instrument Designed and manufactured by Diverse Technologies 8 Systems Ltd Zeromag House 46 48 Whittlesford Road Shelford Cambridge CB22 5EW UK Tel 44 0 1223 84 44 44 Email salesQdiverse technologies net http www diverse technologies net Page 16 www diverse technologies net Calibration and repair The MF300F and probe is supplied with a calibration certificate and transfer calibration standards If the transfer standards do not read accurately and this is not rectified by a user calibration section 5 2 then the instrument should be returned to Diverse for factory calibration If the MF300F requires repair the unit should be returned to Diverse there are no user serviceable parts IMPORTANT Instruments returned to Diverse for calibration or repair from outside the EU mus
6. n the top line the number of the next available record in the database is displayed on the left There are 52 available records and the current measurement value can be saved by pressing the power key The oldest record is overwritten 4 1 2 Mode On the top line at the right the mode is displayed There are three opiions AVG PEAK and TRAN In AVG the value of FN or F will continuously be updated In PEAK mode the largest measured value will be displayed press v tick to start a afresh Press the w down key to toggle between the AVG and PEAK modes For TRAN see section 4 3 4 1 3 Calibration If the user calibration is being used then a U will be displayed on the top line to the right of the record number When the U is not displayed the factory calibration is being used For details on user calibration see section 5 2 4 2 Second line On the second line the current measured value is displayed Page 8 www diverse technologies net Operation Display Options continued This value will be displayed as FN or F to toggle between these units press and hold the a Up key Note that the instrument is calibrated using FN standards and that the reported F is calculated as 0 7 multiplied by the measured FN In many cases this is a good approximation 4 3 Third line The third line will be empty unless the transfer calibration mode has been selected See section 5 3 In this mode the value FN will be
7. nt can be checked at any time using the transfer standards The unit requires 4 AA cells which should be installed in the battery compartment on the rear of the housing The sensitive region of the probe is indicated by the red disc at the probe end If you have chosen the serial RS232 USB interface version you should e Load the USB driver onto your computer using the CD supplied e Download the serial software from http www diverse technologies net software setupserial exe e The serial software option can be extracted by clicking on Extract You will be prompted for the destination directory and then asked for the password which is diverse magmeter mf300 Page 5 www diverse technologies net Quick start Plug in the ferrite probe Load four AA batteries in to the battery compartment ensuring that the polarity is correct If you have the gas cooled option and are using hot samples connect a gas air line regulated to 2 bar to the probe using the fitting provided Press the power key the unit will switch on Hold the probe away from magnetic material and press the tick key v This will zero the probe Move the probe to sample to be measured the FN is displayed Press and hold the up key to toggle between FN and ferrite percentage Note that the ferrite percentage displayed is an estimate and is calculated as 0 7 x FN Pressing the tick key v to access the menu including user calibration tran
8. sfer standard mode and logging see later for details Press the power key O to store the current measurement Press and hold the power key to switch the instrument off If the instrument is not used for a period of about 5 minutes it will automatically switch off to preserve battery life Page 6 www diverse technologies net Operation The Ferrite meter has 4 keys power v tick a up down The power v tick and a up keys have a second meanings if held down for more than 2 seconds The step by step instructions that follow provide all the key information about operation of the instrument Step 1 Plug in the Ferrite Probe Step 2 Power On Off Switch the unit on by pressing the power key The display shows a splash screen followed by zeroing for a second and then then the value of FN This should be 0 0 FN To switch the unit off press and hold power key for 2 seconds The screen will show Power off before going blank Step 3 Zero The zero reading of the meter should be adjusted before taking readings Hold the probe away from magnetic material The display should show 0 0 FN If not press v tick The display will indicate zeroing then the display should show 0 0 FN The probe can now be used to take measurements The reading can be zeroed in this way at any time Page 7 www diverse technologies net Operation Display Options Step 4 Display Options 4 1 Top line 4 1 1 Record number O
9. t New Shortcut and navigate to where you placed the exe file Run the program by either clicking it on the desktop icon or selecting it in file manager The first time you use it you should identify the communications port you wish to use the program provides you with a list of possible ports The chosen port is stored in the configuration file and will be automatically selected next time it s run Connect the MF300F to the computer serial port If your computer only has USB ports you will need the USB to serial adapter cable supplied Ensure the MF300F is switched on On the software select start this will open the communications port and get the MF300F to identify itself on the listbox on screen Pressing the up key on the MF300F will cause the current reading to be transmitted to the PC and it will be displayed Use file save to save the results to a CSV file which can be directly imported into Excel or Open Office Page 12 www diverse technologies net Software continued From the computer the following functions are available Key Function Enter Download current reading Spacebar Download current reading B Display battery voltage D Download database E Download EEPROM Display meter type V Display meter software version NB Letter keys must be uppercase Once you have completed the data collection select Stop and the system will inform you that the communication port is closed If you do not want to use the lo
10. t be imported into the UK using simplified IPR customs procedure If this is not carried out then duties will be incurred that Diverse will have to pass on If in doubt contact Diverse Page 17 www diverse technologies net Disposal and Recycling This instrument should be deposed of in a responsible manner to allow the components within it to be recycled The wheelie bin symbol shown here and on the product means that the product is classed as Electrical and Electronic Equipment and should not be disposed with other household or commercial waste at the end of its working life The Waste of Electrical and Electronic Equipment WEEE directive 2002 96 EC has been put in place in the EU to recycle products using the best recovery and recycling techniques to minimise the impact on the environment treat any hazardous substances and avoid landfill Business users should ensure that this product is not mixed with other commercial waste for disposal Page 18
11. www diverse technologies net DIVERSE MF300F FERRITE METER USER MANUAL DIVERSE CAMBRIDGE ENGLAND CB22 5EW www diverse technologies net Page 1 www diverse technologies net Contents PREFACE INTRODUCTION FIRST TIME QUICK START OPERATION SOFTWARE SPECIFICATION LOW BATTERY LIABILITY CALIBRATION amp REPAIR DISPOSAL amp RECYCLING Page 2 www diverse technologies net Preface Thank you for purchasing the Ferrite Meter Before using the unit please read these instruciions carefully If you are uncertain about any aspect of its operation please contact Diverse our contact details are at the end of this manual The MF300F is the latest version of the Diverse Ferrite Meter It has a large number of features including e Robust slimline probe e Five individual transfer calibration standards e Peak measurement mode e User calibration Options include 1 Air cooled probe for hot samples 2 Charger for rechargeable cells not supplied 3 Serial software for download to PC RS232 USB Page 3 www diverse technologies net Introduction Industrial processing and chemical plants work at high temperatures and pressures with often aggressive media and stainless steel is often the material of choice for these applications If the ferrite content of the steel steel is too low then welding of stainless material may crack at elevated temperature or with high stress or vibration Alternatively if
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