М3М-18 Handheld RF Power Meter User Manual
Contents
1. THE DETECTION SECTION OF THE METER IS HIGHLY SENSITIVE TO STATIC VOLTAGE DISCHARGE BEFORE CONNECTING THE METER TO THE TESTED DEVICE MUST BE TAKEN ACTIONS TO PREVENT EXPOSURE TO STATIC ELECTRICITY USE ANTI STATIC WRIST STRAP CONNECT THE MONITORING DEVICE AND THE COMPUTER TO THE PROTECTIVE GROUND LINE OPENING THE METER BODY FOR MAINTENANCE AND SETTING OPERATIONS SHOULD ONLY BE DONE BY THE MANUFACTURER IT IS FORBIDDEN TO BREAK THE SEALS AND CONDUCT A SELF REPAIR NOT ALLOWED TO EXCEED THE POWER LEVEL OF 40 mW 16 dBm AT THE INPUT OF THE MICROWAVE METER 1 5 Power Supply The battery is charged either via PC USB port or from AC 220 V with the AC DC adapter To charge the battery via PC USB port need to connect the meter to the computer using a standard USB 2 0 cable AB type To charge from the power supply 220V 50 Hz is needed to use the AC DC adapter included in delivery set The battery status is displayed on the screen of the meter see figure 2 2 1 When the battery is low the display shows the message Warning Battery is low In further work without recharging the meter automatically turns off The charging process is accompanied by flashing of the indicator elements When charging is complete the flashing stops displays all the elements of the indicator When you turn off the meter during the process of charging the display shows the message Battery is charging the charging process continues or Battery i2. 630 to 800 mm Hg The meter can be used in measuring systems and has PC remote control option using the program Microwave Power Meter under the OS Windows 2000 XP 7 8 The connection interface is USB 2 0 Environmental conditions Operating environment Operation relative humidity Atmospheric pressure Vibration freguency acceleration max Single action mechanical shock acceleration max pulse duration number of beats in each direction Multiple action mechanical shock beats per minute acceleration max pulse duration number of beats in each direction Transportation conditions max Operating environment Operation relative humidity Atmospheric pressure Transport vibration beats per minute acceleration max total number of beats M3M 18 User Manual 5 C to 40 C 80 RH for temperature up to 30 non condensing 70 0 to 106 7 kPa 537 to 800 mm Hg 10 to 55 Hz 30 m s 3g 300 m s 30g 6 ms 3 10 to 50 200 m s 20g 8 ms 1000 25 C to 55 C 95 RH for temperature up to 30 non condensing 70 0 to 106 7 kPa 537 to 800 mm Hg 80 to 120 30 m s 3g 4000 Contents NOTICES an na 2 Satety Reg ire ment EE 2 Environmental COMGILIONS aiian GE aa ee DE a 3 UK CT lef lag ME 6 ES Ae ep On GR 7 EA ainitialinspeEtiOR ms OE ER N GEE De EG N GE Ee ES GE EG 7 1 3 M3M Power Meter Structure and Operation 8 14 Handling Precaution ts AE BN ie 8 Kos Power El 9 Di
3. Operator Order e ee 10 2 1 Controisand Indicator EE ER DE Anna aa pa Ane SAR 11 22 Modes and BN EU e EE 13 221 The MeastiteimentMode EE EED Ee 13 2 Menu Mode rd na 14 Dedede VINES e ie Cate EE EE ER ai 15 2 3 Measurement parameters and settings ooeenoseesseesssressseroserresrerssrersrrreserreseeres 15 Ad e e EE 15 2 3 2 Fregyeney Core Oto sis NE NN ee De Ee Em 15 238 Attenuation EES 16 234 Measurement Bn EE 17 2 3 5 Relative Ern e EE 17 2 36 Setting the Number of Average ebe Ba an KN 18 237 Internal Memory of the Meter se Ea 19 De Oe el 20 2 3 9 Accumulation of max min Values of Microwave RF POWer ooooooooo 20 2 310 Sound NEE ee 20 2 311 Usinge Saving Mode e ER an BN Aas 21 2 3 12 Ee d ne Rn en Ge GEGEE ei 21 2 31 ana en anta ee 21 23 ae ak 21 2 23 15 REI le TEE 21 2 3 16 Using the Meter Keyboard Shortcuts sees see ee ee ee ee ee ee ee ee 22 24 JI ES HEIEREN 23 3x PCRemote Control Option ER OG EG EG N Ge EG aa 24 5 1 oInstalling USB DV ERA DE 25 3 2 Description and Operation of the Program Power Meter ooooooooooo 26 4 List of Presumable Problems and Troubleshooting Recommendattons 28 E TE Ted Te EE 29 6 Manufacturer s Supplier s Warranty ees see ee ee ee ee ee ee ee ee ee ee RE ee 30 4 M3M 18 User Manual FE dee 31 Appendix A Information about the Power Meter o oooooooooo oo 32 Appendix B Packin
4. To enter the values mode you need press ENTER in the measurement mode Using the keys A V or d b must be set the power level relative to which will be measured and press ENTER to save the value or press the MENU to exit the values mode 2 3 6 Setting the Number of Averages Analog to digital conversion of the signal received at the input of the meter is done by ADC The ADC values are read by the microcontroller and are summed with the results of previous transformations After N measurements the cumulative sum of the measured values are normalized to the number of them On the indicator of the meter displays the average value of the power level calculated by the formula Si Savg ges ed 3 where i 1 N number of measurements N 2 number of averaging N order of averaging S result of one i th measurement On the indicator average is displayed in the upper right corner as a symbol A n where A means averaging averaging n averaging value Symbol AA means that the current averaging value 10 or A in hexadecimal notation When installing the automatic averaging Menu gt Averaging gt Auto the degree of averaging n on the display in the measurement mode Figure 2 2 1 will take values 1 2 9 A depending on the power level at the RF input according to the table 2 2 1 Relations between the time of measurements ft s and the number of averagings N depends on term t N 128 meas meas 1
5. 20600 exe located on the CD in the folder FTDI After a few seconds a window will appear Security Warning figure 3 1 b After the appearance of the window Security Warning click Run After a few seconds the computer will report that new hardware is installed and ready to use M3M 18 User Manual 25 3 2 Description and Operation of the Program Power Meter The program Power meter further the program is designed for remote control of the meter To run the program need to open the file Power Meter exe located on the CD in the folder Install Operating window shown in Figure 3 2 The main controls of the program buttons and menus and their functions are similar to the menu of the meter in manual mode except for the following Auto search automatic search of meters connected to the PC with the connection parameters definition The list of COM ports USB Serial Port of the computer which is connected to the meter appears in the list 1 If the meter is not found the list 1 writes Device not found Logging dialog window Logging see figure 3 3 which establishes the interval between the reading of the measurement result in continuous mode the checkbox next to Continuously select the log file and the parameters that you want to keep When placing the checkbox next to Save file dialog window appears in which you specify the path and name of the file The log file is saved in text
6. ENTER Exit the menu mode by pressing Menu Cancel In economy mode the meter is made off after 15 minutes in the following cases v In the absence of data transmission via USB in remote mode v If within 15 minutes is not pressed any key of meter management 2 3 12 Temperature The temperature inside the meter is displayed under the Temperature To know the current temperature In measurement mode press the MENU button to enter the menu Using the keys A V select Device Setup press ENTER Then use the keys A to select Temperature Press ENTER This mode displays the values of temperature and time To return to menu mode press MENU 2 3 13 Language The meter has ability to use symbols menu items and units of measurement in English and Russian languages To switch from one language to another In measurement mode press the MENU button to enter the menu Using the keys A F select English AHra to switch from Russian to English and Russian Pyc to switch from English to Russian In accordance with the selected language is carried out displaying units and names of menu items Press ENTER to save the changes or press MENU button to return to the measurement mode To return to the menu press MENU button 2 3 14 System Clock The system clock is used for counting the time and date To know the current time and date or to change the settings of system clock In measurement mode press the MENU button to enter
7. Operating mode setting max Duration of continuous operation min from battery with backlight from battery without light from the AC DC adapter or PC Power supply from AC DC adapter input 50 Hz voltage DC output voltage charge current max charging time max Power supply from USB max charge current charging time Dimensions max length width height Weight max the meter battery charger Reliability parameters average MTBF average lifetime of the meter average lifetime of the battery average storage time 0 01 to 18 GHz 1 10 to 100 mW 60 to 20 dBm 8 0 0 33 dB 0 025 nW 2 5 0 1 dB 0 6 20 dBm The greater of 1 unit of account or 0 01 P W 1 2 1 2 Type N male or female 50 Ohm N 128 s 10 s 8h 16 h 24h 220 t22 V 6 0 0 3 V 500 mA 3h 125 mA 8h 177 0 mm 48 0 mm 32 5 mm 0 35 kg 0 20 kg 10 000 h 5 years 2 years 3 years At number of averages N N 1024 at P lt 55 dBm N 512 at 55 dBm lt Pn lt 50 dBm N 256 at 50 dBm lt Pn lt 39 dBm N 128 at 39 dBm lt Py lt 35 dBm N 64 at 35 dBm lt P lt 33 dBm N 16 at 33 dBm lt Pn lt 32 dBm N 4 at 32 dBm lt Pn lt 28 dBm N 2 at 28 dBm lt Pn lt 20 dBm 1 unit of account is 0 1 dB for the selected unit dBm 0 1 mW 0 1 mW or 0 1 nW at selected units W Term 0 01 P M3M 18 User Manual 29 6 Manufacturer s Supplier s Warranty The manufacturer guarantees the co
8. data Press ON OFF button to turn on or turn off the power meter 8 Stud strap for wearing the meter on the wrist Jack for connecting the meter to PC or to a charger for charging the battery 9 USB connector 12 M3M 18 User Manual 2 2 Modes and Navigation The meter has 3 modes v The measurement mode v The menu mode v The values mode Turning on and turning off the meter is produced by pressing and holding ON OFF until the appearance of display 2 2 1 The Measurement Mode When the measurement mode is enabled the meter automatically switches to the measuring mode Indicator status in the measurement mode is shown in Figure 2 2 1 Signal Freguenc Rel Offset Battery capacity Max Power indicator Averaging Sound on off Memory Cell Min Power Measurement Power Measurement Unit Sound Alert on off Figure 2 2 1 Indicator status in the measurement mode In this mode direct measurement of the power level of the microwave signal received at the RF input The measurement result can be seen on the screen in measurement mode figure 2 2 1 If the meter is not connected to a source of microwave oscillations the screen will display the value of the noise power On the indicator in measurement mode are also displayed battery charge level sign indicating that the key sound activated sign indicating that the sound notification activated minimum power value maximum power value freguency correction the
9. or A V depending on the settings changes the number of available memory cells This function is set to Menu gt Device Setup gt Keyboard Setting Up Down or Left Right 2 3 8 Profiles To store user settings of the meter there are ten profiles In each profile you can save the current settings of the meter and as necessary to load them Saving the current settings In measurement mode press the MENU Using the A to select Profiles press ENTER Then using A V select the desired profile press ENTER Using M V select Save Then all the current settings of the meter will be saved in the selected profile Profile Download In measurement mode press the MENU Using A V select Profiles press ENTER Then using A V select the desired profile press ENTER Using M V select Download Then restore the saved in the profile settings of the meter Profile Reset In measurement mode press the MENU Using A V select Profiles press ENTER Then using A V select the desired profile press ENTER Using A V select Reset Then all the saved settings in the profile will be reset Ouick access to the profile editor can be carried out using the keyboard shortcuts paragraph 2 3 16 Using keyboard shortcuts 2 3 9 Accumulation of max min Values of Microwave RF Power After switching on the meter stores the maximum and minimum value of the measured power These values can be used to analyze changes of the RF power level for a ce
10. the menu Using keys A V select Device Setup press ENTER then using keys A F select System Clock and press Enter This mode displays the date and time To set a time and date use the keys A V and lt gt To confirm press ENTER To return to menu mode press MENU NOTE After alarm reset reset to factory defaults of the meter you need to set the system clock to the current date and time 2 3 15 Default Setting To establish the initial settings of the meter do the following M3M 18 User Manual 21 In measurement mode press the MENU button to enter the menu Using M V select Device Setup and press ENTER Then use A V to select Default Setting and press ENTER After the reset the meter automatically switches to the measuring mode Default parameters of the meter are shown in Table 2 3 1 Table 2 3 1 Default parameters of the meter Parameter Default value Measurement units Menu gt dBm W Setup dBm Frequency correction Menu gt Average 0 10 GHz Attenuation compensation Menu gt Offset 0 00 dB Averaging Menu gt Average Auto Relative measurements mode Menu gt Relative Current data Sound enable Menu gt Device Setup gt Keyboard Setting gt Sound enable SH Available memory Menu Memory 1 Power saving Menu Device Setup Power On saving Language Menu gt English Russia Rus 2 3 16 Using the Meter Keyboard Shortcuts There are
11. 8 M3M 18 User Manual Figure 2 3 7 Indicator status Averaging NOTE In remote mode using PC readout time differs from the time of measurement at the interval Changing the number of averages is the following way In measurement mode press the MENU button to enter the menu Using the keys A select the Averaging press ENTER By pressing A V to select the number of averages N from 1 to 1024 and press ENTER to save the changes or press MENU button to exit to the main menu Press MENU to exit in the measurement mode Recommended number of averages at different power levels shown in Table 2 2 1 which is used in the selected averaging mode Auto Table 2 2 1 number order of averages in mode Auto The measured level of microwave power mW dBm Number order of averages N 39 8 to 1 from 16 to 0 32 1 to 3 16 10 from O to minus 15 64 3 16 10 to 1 10 from minus 15 to minus 40 128 1 10 to 1 10 from minus 40 to minus 60 256 2 3 7 Internal Memory of the Meter For storing the results of measurements ten memory cells are made In each memory cell will store the result of measurement the date and time when the measurement was made To see the contents of a memory cell or store the value in the cell is the following way In measurement mode press the MENU button to enter the menu Using the keys M V select Memory and press ENTER Using the keys A V select a memory cell from the list press ENTE
12. E MICRAN M3M 18 Handheld RF Power Meter User Manual Ver 1 2 M3M 18 User Manual Notices This operating manual is designed to study the device operating principles rules of use maintenance transportation and storage of power meter M3M 18 further the meter The manufacturer reserves the right without notice to the customer make changes in the design of the meter without affecting its normalized metrological and technical characteristics The manual must always be with the meter Safety Reduirements Only the gualified personnel who studied the user manual are allowed to operate with the meter ATTENTION THE DETECTION SECTION OF THE METER IS HIGHLY SENSITIVE TO STATIC VOLTAGE DISCHARGE BEFORE CONNECTING THE METER TO ANY SOURSE ENSURE THAT ALL DEVICES ARE GROUNDED To exclude the operating failures when the meter is powered by the 220V power supply measurements should be made in the absence of sudden changes in AC voltage The insulation between input AC circuit of AC DC adapter and meter body when it is connected to the AC DC adapter endures normal conditions for 1 min impact of 1 5 kV AC voltage without breakdown The insulation resistance between the meter body and DC input are less than 20 mOhm under normal operation conditions 2 M3M 18 User Manual Environmental Conditions Normal operation conditions Operating environment Operation relative humidity Atmospheric pressure 25 5 C 80 D
13. O MICRAN JSC 1991 2015 Published in Russia June 2015 www micran com
14. R to select options Download or Save When you click Save indicator goes into a state shown in Figure 2 3 8 the indicator will show the current value of the power level Fixation of the value indicator is performed by the keys d b Using the keys A V or d b you can change the value of the power level the change is confirmed by pressing ENTER The transition of the indicator to a condition in which the current value is displayed the power level occurs on double clicking the key ENTER Exit the menu mode by pressing MENU M3M 18 User Manual 19 Figure 2 3 8 Indicator status Memory contents When you click Download on the indicator displays a previously saved value of the power level or value of 0 00 dBm or mW 1 000 Exit the menu mode by pressing MENU After the meter reset or alarm reset reset to factory defaults the values saved before stored in the memory cell It is possible to quickly save the measurement result in any of the ten memory cells hold down the ENTER press P thus it is necessary by pressing M W to select the desired cell from the list and confirm by pressing ENTER and then select from the list the Save After that the meter enters the values memory cells where you can change the measured power level The stored value is confirmed by pressing ENTER Exit the menu mode by pressing MENU The number of stored cell is indicated on the indicator of the meter in the lower right corner Pressing the keys d b
15. RING DATA dBm W SETUP MEMORY MEMORY 1 MEMORY 2 MEMORY MEMORY 10 SAVE SET THE VALUE LOAD SET THE VALUE PROFILE 1 PROFILE 1 PROFILE 2 PROFILE PROFILE 10 LOAD SAVE RESET Min Max ALERT min max nenas Max ENABLE SET THE VALUE SET THE VALUE DEVICE SETUP POWER SAVING SYSTEM CLOCK KEYBOARD SETTING TEMPERATURE DEFAULT H i SET THE VALUE SET THE VALUE ENGLISH FREQUENCY COR LEFT RIGHT UP DOWN FREQUENCY COR AVERAGE SOUND ENABLE AVERAGE UNITS UNITS OFFSET OFFSET MEMORY MEMORY Figure 2 2 3 Menu map structure In Menu mode user can select the parameter setting and measurement of microwave power oscillations Navigation keys A V select different menus ENTER allows users choose the menus Exit the menu with the confirmation of selection happens when you press the ENTER exit without saving changes by pressing MENU Exit from the menu mode to the measurement mode by pressing MENU 14 M3M 18 User Manual 2 2 3 Values Mode This mode is provided to edit or display the value of the measurement or meter settings Indicator status in the values mode is shown in Figure 2 2 4 Parameter Measurement value Cursor under the selected digit Figure 2 2 4 Indicator status in the values mode Changing the measurement value made on categories under selected category is located the cursor Selecting a category is done by pressing keys amp P Change the value of the category is done by pressing the A V Changing the meas
16. ange the settings of the meter manually To update settings in the main program window after you change the settings you must click the Status AI x sl x Iw Save Ag C Awindows M 34 18 he Add instruments ID he Numeration jw Power he Min Max ok Time he Date Iw Save As CNufindowstM 3 18 Iw Add instruments ID Iw Numeration jw Power Iw MinsMas jw Time Iw Date lf gt 16 dB gt Mas Iw Alam lf gt US dB gt Mas Iw Alarm If lt 70 dB gt Min Iw Alam If lt 70 dB gt Min I Alarm D CSIC PRC MICRAN Microwave Handheld Power Meter M3M 18 N207090195 Frequency range 0 01 18 GHz No Power Value Min Max Time Date 100 Das Min 25 7 2008 LE 58 30 ZE Min 25 7 2008 16 58 32 DE Hin 25 7 2008 16 58 33 OzE Min 26 7 2008 16 58 34 Figure 3 3 The dialog window Save to file M3M 18 User Manual 27 4 List of Presumable Problems and Troubleshooting Recommendations The list of presumable problems their causes and operational recommendations on meter s malfunctions are shown in table 4 4 Table 4 4 List of presumable problems their causes and troubleshooting methods Name of problem Presumable reason Troubleshooting external signs of existence of the problem methods The meter does not turn on Battery is low Charge the battery During operation the meter Program failure Make the alarm reset reset to stops responding to keystrokes factory default
17. er using a cable USB 2 0 AB When connected to a USB port the meter turns on automatically In a few seconds the computer will report about finding a new device and prompt the user to install the device driver using the Setup manager Figure 3 1 a Found Mew Hardware Wizard Open File Security Warning Welcome to the Found N ew KR The publisher could nai be verified Are you sure you want to run this j FET Mame ard Persian Keyboard SIR 9147 versien 2 0 2etup exe Hardware Wizard Publisher Unknown Publisher This wizard helps vou install software for Type Application From CAWsers Oelh Oesktap ranian Standard Persian Keyboar PCI Device ME mz r HF Always ask belese opening Pus file If your hardware came with an installation CD oe or floppy disk insert it now jm This fe does nothave a valid digital signature that venfies its publisher You should only run sofware from publishers you tsi How Cen decide what software bo un What do you want the wizard to do C Instal the software ad Fi oe dd Click Mest to continue Back Cancel a 6 Figure 3 1 Dialog windows Found New Hardware NOTE If Setup Manager does not appear perhaps the user does not have administrator rights or the meter driver or driver for virtual COM port from FTDI already installed on this computer Virtual COM port installation After the startup dialog window Setup Manager click Cancel Open the file CDM
18. esult in accordance with the entered value The external attenuation value of the attenuator is specified in dB from Oto 99 dB The gain value of the external amplifier is specified in dB in the range from minus 99 to O dB To set the value follow these steps Measurement Mode Changing the value is performed using the keys A V or lt gt depending on what function were assigned to them In this case the attenuation value on the indicator figure 2 3 1 should change in the direction of decreasing increasing with fixed step The step value is set in the menu item Rel Offset by setting the cursor under the desired digit number in dB Key setting A V or lt gt changes the attenuation in the measurement mode is in Menu gt Device Setup gt Keyboard Settings Up Down or Left Right Menu Mode Using the keys A Y select Offset and press ENTER By pressing A V or lt P gt set the value Figure 2 3 4 and press ENTER to save the changes or press MENU button to exit to the main menu Press MENU to exit in the measurement mode 16 M3M 18 User Manual Figure 2 3 4 Indicator status Frequency correction The measurement result is automatically adjusted depending on the entered value The value entered in the measurement mode is displayed up to two decimal places Attenuation value can be set by using the shortcut keys paragraph 2 3 16 Using keyboard shortcuts 2 3 4 Measurement Units The measurement units function allo
19. format with the extension txt which is opened in a text editor When you click on Expand Figure 3 3 a appears the field displaying the information recorded in the log file Figure 3 3 b In the absence of the checkbox Logging the log file will not contain information about the meter Starting and stopping the logging process is carried out by placing or removing the checkbox Continuously Status key a request for the set measurement parameters Wi Vismeputene mouyHoctu C Es AutoDetect Pycckui Logfile Memory e Uctpolicrso EE EE v 1 Frequency corr jo GHz zi Relative to Average dB mw Setup db OFFSET 0 2 COM Connect Wil Figure 3 2 Operating control window of the meter s software Checkbox Continuously periodic inquiry of measurement results providing a continuous update of the metered data Checkbox CCNY enabling the reading of the measured results with pre averaging which is necessary to use in averaging more than 32 Power key a single measurement result request 26 M3M 18 User Manual Checkbox Connect a connection to the meter Becomes active after determining the number of COM port PC and selecting it from the list 2 Graphic area 3 graphical display of measurement results When the program starts the control keys are not active Remote control is active only after the connection between the PC and the meter In remote mode you can ch
20. freguency of the input signal for the automatic correction of the measurement results according to the calibration table of the meter attenuation compensation the degree of averaging available memory In the measurement mode control buttons have the following functions Press ENTER to go to the relative measurement press again to return to absolute measurements Press MENU button to the entrance to the menu mode press again to back to the measurement mode with the cancellation of the input values Pressing amp P or A V depending on the settings provides changing the frequency correction the degree of averaging attenuation compensation measurement units or the number of available memory locations Functions of these keys are set to Menu gt Device Setup gt Keyboard Setting Up Down or Left Right paragraph 2 3 16 Using keyboard shortcuts ATTENTION WHEN EXCEEDING THE LEVEL OF THE INPUT POWER 21 dBm 125 mW THE METER WILL START TO BEEP ACCOMPANIED BY FLASHING THE BACKLIGHT M3M 18 User Manual 13 2 2 2 Menu Mode In the menu mode you might select the measurement parameters and installing or setting of the meter Status of the LCD indicator in the menu mode is shown in Figure 2 2 2 The menu structure is shown in Figure 2 2 3 Figure 2 2 2 Indicator status in the menu mode ZEROING oo START CANCEL FREOUENCY COR SET THE VALUE OFFSET SET THE VALUE AVERAGE ato WOL G Ge RELATIVE CURRENT DATA MEMORY ENTE
21. g Certificate oooooooooWoo on 33 Appendix C Approval Certificate RR NN AAN EN 34 Contact Informan aan Serge acter KBR ANN NN 35 M3M 18 User Manual 5 1 Getting Started di 1 0 8 9 EE EE Kak ES SD Vue ET Ee d Le EE 1 3 M3M Power Meter Structure and Operation LA Handling Predator a tS Power SUN en bana ai 6 M3M 18 User Manual 1 1 Description M3M 18 power meter figure 1 1 is used to RF and microwave power measurements With a high accuracy up to 40 33 dB a wide freguency range of 10 MHz to 18 GHz and measurements range of 60 dBm to 20 dBm the M3M 18 is a good solution for a wide variant of RF measurement applications manufacturing and testing design tuning and verifying of microwave blocks for electronics communication instrumentation tests ege aa aa KC wl M3M 18 Handheld RF Power Meter ox CAUTION DO NOT EXCEED THE POWER 40 mW 16 dBm HG b ee a ie di bigger Figure 1 1 M3M 18 Power Meter main view 1 2 Initial Inspection Before you begin measurements you must conduct an external inspection ensure that there are no mechanical damage of the meter and safety protective seals of company manufacturer Ensure that input coaxial adapter of the meter is not damaged on the inner surfaces of the connector no signs corrosion metal shavings dirt In case of pollution or the presence of metal shavings wipe the connector cotton bud dipped in alc
22. is purpose on the front panel and on the right side Figure 2 1 1 provides the appropriate control keys and connectors The name and basic control functions are shown in Table 2 1 1 Figure 2 1 1 Front panel keypad Table 2 1 1 Name and basic control functions Description 1 RF input Connector to the signal source The display shows the value of the input microwave power level in the 2 Display selected measurement units according to calibration data as well as additional information about the operation and status of the meter And the setting that can be set or changed using the keys in the menu mode Press the MENU button to access the M3M 18 menus Press MENU once causes the power display the measurement mode to be replaced with the menu display the menu mode The menu can be navigated with the navigation keys Press MENU second to exit the menu mode and the display will return to normal mode The display is backlit to allow visibility in dark environments Press BACKLIGHT to turn on and off the LCD backlight display You can change the delay setting using the M3M 18 menus The NAVIGATION KEYS have the functions of shortcut keys paragraph 2 3 Selection and installation of measurement parameters and meter settings The lt gt or A V keypads allow users select different menus in the menu mode M3M 18 User Manual 11 The ENTER button for selecting menu items and confirmation of the entered
23. ive error of measurement O On connecting the meter to the output of the signal source may occurs the error caused by the mismatch of the output source impedance and the input impedance of the meter to the characteristic impedance of the transmission line An additional component of the measurement error pac due to mismatch calculated by the equation duc 2 ig IF meas 100 5 where Jon the reflection coefficient of the source output signal II uzas the factor of the reflection coefficient of the input to the meter The factor of the reflection coefficient associated with the voltage standing wave ratio VSWR by the equation _ VSWR 1 SC 6 VSWR 1 M3M 18 User Manual 23 3 24 PC Remote Control Option 3 1 Installing USB driver 3 2 Description and Operation of the Program Power Meter oooooooooo M3M 18 User Manual 3 1 Installing USB Driver The meter connects to the computer via the USB port using the USB cable 2 0 A B included in the delivery set The meter works correctly on Windows 2000 XP To work with computers is necessary to install the M3M 18 drivers If the driver of the meter or the driver for the virtual COM ports from FTDI is already installed on this computer driver installation not reguired To install the drivers the user must have administrator rights on the PC Installation is done in the following order Connect the meter to the USB port on a comput
24. ments in three modes v relative to the current value of the measured power v relative to the value of the power level from the memory location v relative to the entered value M3M 1 User Manual 17 Option measurements can be set in Menu gt Relative using the keys M W To confirm the selected mode press the ENTER or the MENU button to exit to the main menu Figure 2 3 6 Double press MENU allows to enter the menu mode and then to the measuring mode In the measurement mode function of relative measurements is turned on off after you press ENTER Figure 2 3 6 Indicator status Relative measurements When you confirm your mode of measurements relative to the current value of the power level on the display in the measurement mode should be displayed the value close to 0 000 dB 100 or 1 00 02 depending on the fluctuations of microwave power input In percentages the relative results of the measurements are displayed if the selected units of measure are W The percentages are displayed in engineering format When selecting the measuring mode relative to the value from the memory location the indicator will display the result of the ratio of the current power level to the value stored in the memory location the number of which is displayed in the lower right corner of the indicator Memory Sell Figure 2 2 1 When you select the measurements mode relative to the entered value the user will be asked to enter a value
25. nformity of the meter presented characteristics provided the customer operating conditions Service life is 5 years with the replacement of the batteries including storage period 3 years in the manufacturer s packaging The battery life is 2 years Battery replacement is made only by the manufacturer Storage warranty period set 18 months from the date of acceptance meter by a Quality Department The warranty period is 12 months from date of shipment of the meter to the consumer Warranty life is 3000 hours within the warranty period During the warranty period manufacturer undertakes free of charge correct identified defects or replace defective parts or the whole meter if it cannot be corrected at the factory Claims in case of mechanical damage of the meter and violation of protective seals will not be accepted During a service life 5 years on a contractual basis manufacturer performs a paid post warranty meters repair and service 30 M3M 18 User Manual 7 Storage Before putting into operation meters should be stored in warehouses in shipping container at ambient temperatures from Oto 40 C and relative humidity of 80 Meters without packaging must be kept at an ambient temperature of 10 to 35 Cand relative humidity of 80 The storage place should be free of dust vapors of acids and alkalis corrosive gases and other substances that may cause corrosion M3M 18 User Manual 31 Appendix A Information about the Po
26. ohol In case of damage to the connector or the presence of corrosion contact the manufacturer After transporting the meter under conditions different from working you have to keep it off in working conditions climatic factor for at least 30 minutes If the meter does not switch on recharge the battery Supply and delivery set figure 1 2 Micran M3M 18 Handheld RF Power Meter 10 MHz to 18 GHz Printed M3M 18 User Manual English Certificate of Calibration M3M software and USB driver USB flash drive Instrument hard case Power supply AC adapter 220 V 50 Hz USB 2 0 interface cable Standard A to Type B 1 8 meter SESSE a Figure 1 2 Supply and delivery set M3M 18 User Manual 7 1 3 M3M Power Meter Structure and Operation Meter consists of the next units Diode detector Analog to digital converter unit ADC Central processing control unit CPU LCD display Keyboard USB interface Battery NUN NUN Block diagram of the meter shown in figure 1 3 The work of the meter is based on converting the power of the microwave signal by diode amplitude detector to the DC voltage LCD Display RF Pa Diode USB ATH CPL em a Detector l PL Interface USS Figure 1 3 Block diagram of the meter A voltage proportional to the microwave power supplied to the input of the meter amplified digitized and fed into the processing circuit under control of the central processing control unit The cent
27. ral processing control unit performs a series of mathematical and service functions such as processing of measurement results in accordance with the parameters and displayed them on the indicator frequency correction storing the results of measurements the attenuation compensation using an external attenuator self diagnostics Calibration correction is stored in external FLASH memory and measured data is corrected according the calibration coefficients which decreased total error The meter can be used in manual mode using main keyboard and LED display and in remote control mode operation and readout of the measured values can be performed using the M3M 18 Handheld RF Power Meter software on PC To remote meter with a computer USB interface is used Charging the battery is made either from the USB port or from AC 220 V with the dedicated AC DC adapter To retain the parameters specified in 5 is not recommend to use the AC DC adapter to perform the measurements during the battery charging in this case charging is possible from PC USB port Running time meter while charging from the USB should not exceed 24 hours The time interval between cycles when operating using the charger or together to PC must be less than 30 minutes 1 4 Handling Precaution Only the qualified personnel who studied the user manual and have the skills of test and measurement equipment are allowed to operate with the meter 8 M3M 18 User Manual ATTENTION
28. rtain period of time The values are displayed in the top left corner of the screen in measurement mode with an accuracy of two decimal places Press ENTER twice to reset the accumulated values for the minimum and maximum required in the measurement mode 2 3 10 Sound Notification Sound notification is intended to register the output value of the measured power from a user specified interval of capacities Setting the measurement range in which there will be an alert is in Menu gt Sound notification Setting the sound notification in the following order In measurement mode press the MENU button to enter the menu Using A V select Min Max alert and press ENTER Set the limits of the interval in the Max and Min respectively Enter the limit values by using the keys A V or dk Press ENTER to confirm Exit the menu mode by pressing MENU 20 M3M 18 User Manual Enabling of measurement limits by setting the appropriate checkboxes by pressing ENTER opposite the points Sound minimum and Sound maximum Menu gt Min Max Alert If the measured value goes outside preset limits you will hear a beep and flashes the backlight 2 3 11 Using Saving Mode Saving mode is intended for longer battery life of the meter To enable saving mode In measurement mode press the MENU button to enter the menu Using the keys A V select Device Setup press ENTER Then use the key M V to select Power Saving Tick the Power Saving by pressing
29. s the meter by simultaneously pressing the ENTER MENU ON OFF During operation the meter Program failure Wait until the battery will be stops responding to keystrokes discharged and the device turns and alarm reset reset to factory off Then charge the battery defaults does not work Upon accession to the source of Exceeded the absolute Immediately disconnect the the signal the meter beeps and maximum rate of input RF meter from the source and make the backlight blinking power sure that the power source signal is valid for the measuring range Sound limits notification are Remove the checkboxes next to turned on the items Min Enable and Max Enable Menu gt Min Max Alert 28 M3M 18 User Manual 5 Specifications Specifications Freguency range Power level measurement range Limits of basic relative measurement error without error mismatch with the number of averages N max Limit of permitted standard deviation of the random component of measurement error max Limits of additional relative measurement error rejecting ambient temperature from 25 C for every 10 C max Amplitude flatness Absolute maximum rate of input power Instability of measuring data on 15 min operating period with changing the ambient temperature no more than 1 C Pm Measured power SWR performance for different frequency band max 10 MHz to 12 00 GHz 12 GHz to 18 GHz Output connector type Input impedance Measurement time max
30. s charged the charging process is over After pressing ON OFF button message is not displayed In saving mode operation paragraph 2 3 11 meter charging doesn t stop when it is turned off automatically M3M 18 User Manual 9 2 10 Operation order 2 1 CEontrolsand lhdicators ii EE a an ak 11 2 2 Miodesand iNavigatiOM susse oe ve mene 13 2 2 1 The Measurement Mode ss EE EE EE OR a oe 13 222 EN EE 14 2 2 9 Values ModE EE EDE GR EE EE ER ER EE DO RE Ge n Ee DE sen EG 15 2 3 Measurement Parameters and Settngs 15 2 31 er tia 15 2 3 2 SEENEN 15 2 53 3 Attenuation EES EEN 16 234 Measurement UMTS sd vies eeh ee Ee ee n aen 17 2 3 5 Relative IWC ASIST E cite sania ED a ED ae De ee De 17 25 6 Seting the NUMDEFOTAV CAC CS Ek SG oi ee esa ek Ge EE Ba 18 2 3 7 Internal Memory of the Meter ooo ooooW Woo Woo aan 19 DoS SEE EE OER EE EE EN OE EE EEN 20 2 3 9 Accumulation of max min Values of Microwave RF POWer ooooooooooo 20 2 310 Sound NOUNCI gel RE 20 23 11 USING Saving Mode EE SEEN EG sell ak anta 21 2312 Tempera d ko RE aa EN DDS Lane ET 21 2 3 4 OOM Gl 1 Genes ne aan Na E DE 21 e Dell SOUL ING ME NR RE EE DE DR ER OD DE EE es 21 2 3 16 Using the Meter Keyboard Shortcuts sees see ee ee ee ee ee ee ee ee 22 2 4 Measurement Procedure Ee ee Ge Ge mata 23 M3M 18 User Manual 2 1 Controls and Indicators Control of the meter may be manually or remotely from PC for th
31. special shortcuts provided quick accesses to main menu items Hold ENTER A Editor Attenuation compensation Offset Hold ENTER gt Saving the measurement results of microwave power in the memory location Hold ENTER V Editor Frequency correction Hold ENTER lt 4 Profile editor Simultaneously pressing the ENTER MENU ON OFF alarm reset reset to factory defaults of the meter Alarm reset is used if the meter will not respond to keystrokes management 22 M3M 18 User Manual 2 4 Measurement Procedure Measurements must be carried in the following seguence Press and hold ON OFF button until the indication appears After that hold the meter in the On state for at least 10 seconds Set the measurement parameters in accordance with paragraph 2 3 If necessary make zeroing Connect the RF input with signal source ATTENTION ABSOLUTE MAXIMUM RATE OF THE INPUT POWER SHOULD BE NO MORE THAN 16 dBm 40 mW Fix the value of the power of the microwave signal that is displayed on the indicator if necessary store the result into one of the memory cells Turn off the meter in measurement mode press ON OFF button Disconnect the meter from the signal source Calculate the measurement error by the equation m Brei 2 S4 x 100 4 Pm where P measured power level nW Osgi the limit of the standard deviation of the random component of measurement error nW Orel Maximum permissible relat
32. urement value is confirmed by pressing the ENTER cancel the changes by pressing the MENU In values mode that is designed to display parameter measurements there is no cursor and you cannot change the value of the parameter 2 3 Measurement Parameters and Settings 2 3 1 Zeroing The Zeroing is done to increase the measurement accuracy in the measurement of power levels below 40 dBm 0 1 mW Zeroing proceeds as follows In measurement mode press the MENU button to enter the menu Using M V select Zeroing press ENTER Zeroing will be done after 30 seconds Zeroing process is displayed as a percentage of the operation at the end of the process indicator will show 100 Figure 2 3 1 Return to menu is performed by the MENU key Figure 2 3 1 Indicator status Zeroing ATTENTION RESET OPERATION MAY BE CARRIED OUT ONLY WHEN THERE IS NO SIGNAL AT THE RF INPUT OF THE METER 2 3 2 Freguency Correction The Freguency correction allows you to provide correction of irregularity of the amplitude freguency characteristics AFC microwave power converter by introducing the value of the detector input signal Thus there is automatic correction of measurement results according to the calibration table of the meter stored in the internal memory of the meter The freguency value of the freguency correction set in the range from 0 01 to 18 00 GHz To set the freguency which is measured the input power you must perform the follo
33. wer Meter Product name M3M 18 Power Meter Product designation M3M 18 Power Meter KHKIO 468161 001 TY Manufacturer Micran Release date 20 Serial number Information about the content of precious materials and non ferrous metals Gold 0 098 g 32 M3M 18 User Manual Appendix B Packing Certificate Microwave power meter M3M 18 KHKIO 468161 001 TY designation Microwave power meter M3M 18 No name serial number Packed by Micran according to the reguirements stated in the design documentation job title signature full name date M3M 18 User Manual 33 Appendix C Approval Certificate Microwave power meter M3M 18 KHKIO 468161 001 TY designation Microwave power meter M3M 18 No name serial number Manufactured and accepted in accordance with the mandatory requirements of state standards current technical documentation and found fit for use Chief of Quality Department PS signature full name date Head of Company signature deliverydocument gt PS full name date 34 M3M 18 User Manual Contact Information Micran T amp M Eguipment Sales kia micran com Phone 7 3822 42 18 77 Fax 7 3822 42 36 15 Micran T amp M Equipment Technical Support priborsupport micran com Phone 7 3822 41 34 03 Fax 7 3822 42 36 15 Micran T amp M Equipment Software Support priborsupport micran com M3M 18 User Manual 35 This information is subject to change without notice
34. wing steps M3M 18 User Manual 15 Measurement Mode Changing the value of the frequency is performed using the keys A V or lt gt depending on what function were assigned to them The value of the Signal Freguency figure 2 2 1 should change in the direction of decreasing increasing with fixed step The step value change freguency is set in the item Menu gt Frequency Cor by setting the cursor under the desired digit value in GHz Key setting A V or lt gt to change the frequency in the measurement mode is in Menu gt Device Setup gt Keyboard Setting Up Down or Left Right Menu Mode Using the A V to select Frequency cor and press ENTER figure 2 3 2 Going to values mode using the keys A V or d b to enter frequency GHz and press ENTER to save the changes or press the MENU to exit the menu To go to the measurement mode press the MENU Figure 2 3 2 Indicator status Frequency correction The entered freguency value in the measurement mode is displayed with an accuracy of two decimal places The freguency value of the freguency correction can be set by using shortcut keys paragraph 2 3 16 Using keyboard shortcuts 2 3 3 Attenuation Compensation The Attenuation compensation allows you to provide the ability to compensate the attenuation intended to offset the attenuation of external attenuation or gain of the external amplifier In this case there is an automatic correction of the measurement r
35. ws you to provide the ability to display the result in units of W or dBm Change of measurement units in which to display the measurement result is performed in the following sequence In measurement mode press the MENU button to enter the menu Using the keys A Wselect the dBm W Setup and press ENTER Using the keys A VY selects the measurement unit dBm or W Figure 2 3 5 Press ENTER to save the changes or MENU to exit to the main menu Press MENU to exit in the measurement mode Figure 2 3 5 Indicator status dBm W Setup 2 3 5 Relative Measurements Relative measurement is a measurement that displays the ratio of the current value of the power in watts W to the value of the power specified by the user The results of relative measurements are displayed either in percent or in decibels dB The calculation result of the relative measurements in percent is produced by the formula P SE 1 rel set where Pre results of relative measurements D Pset power value that is set by the user and relative to which the calculations are performed W Pm measured power level W Calculation of relative measurements in decibels based on a formula P P_ P 2 rel T set Tm rae P e results of relative measurements dB Peer power value that is set by the user and relative to which the calculations are performed dBm Pm measured power level dBm The meter has the ability of relative measure
Download Pdf Manuals
Related Search