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Hantek HDM3000, Руководство пользователя

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Hantek HDM3000 Скачать руководство пользователя страница 60

 

57 

 

 

 

The AUTO soft key specifies that the number of bits to be displayed is based on 

other specific function settings, such as measurement aperture, NPLC 

Settings.

The measurement will be rounded, not truncated. 

 

The bar meter

 

 
The bar meter (shown below) adds a move bar below the standard digital. 

 

 

The Display and Digit Mask soft keys work just as they do in a digital display.

 

   

Содержание HDM3000

Страница 1: ...User s Guide HDM3000 Digital Multimeter Version 1 02...

Страница 2: ...nt panel 9 The rear panel 17 Models and Options 19 First use of the multimeter 20 Measuring connection 21 Chapter 2 Features and Functions 23 Measurement 24 Triggers and Reading 42 Probe Hold 45 Mathe...

Страница 3: ...hapter 4 Calibration and adjustment steps 76 The calibration process 77 The calibration procedure 80 Chapter 5 Appendix 87 Appendix A HDM3000 Digital Multimeter Annex 87 Appendix B Warranty Summary 88...

Страница 4: ...t the product conforms to the Chinese National Product Standards and the Industrial Product Standards in China as well as the ISO9001 2015 Standards and ISO14001 2004 Standards Other international sta...

Страница 5: ...is something wrong with the product please contact maintenance personnel authorized by Hantek for testing Any maintenance adjustment or replacement of components must be performed by repairmen author...

Страница 6: ...00 VPK 2 Lo to the ground protection limit LO input terminals can safely float to a maximum of 500 Vpk relative to the ground The HI terminal protection limit is up to 1000 VPK relative to the ground...

Страница 7: ...her devices plugged into branch sockets The HDM3000 can be used to make measurements where the HI and LO input terminals are connected to power mains up to 300 VAC in these devices or to branch socket...

Страница 8: ...Category II In case of Category II overvoltage the input may be connected to the power mains up to 300 VAC Terms on the product The following terms may appear on the product Symbols on the product The...

Страница 9: ...Warning Before re energizing make sure the instrument is dry enough to avoid electrical short circuit or even personal injury Environmental Matters Need Attention The following sign indicates that th...

Страница 10: ...function key is represented by This chapter guides the user to quickly know the basic information of the multimeter such as the front and rear panels the user interface and measuring connections Chap...

Страница 11: ...ll be liable for the damage to the instrument Qingdao Hantek Electronic Co LTD will not carry out free repair or replacement Check the whole instrument If there is any mechanical damage any parts miss...

Страница 12: ...l multimeter hold the handles on both sides and pull them outward Then rotate the handle to the desired position The operation is shown in the following picture Fig 1 1 Adjusting the handle Fig 1 2 Pl...

Страница 13: ...ration key 6 Connecting terminal 7 Front Rear switch 8 Soft key 9 Power key Note Text is provided on some front panel keys This indicates that the key has a function that you can access by pressing an...

Страница 14: ...nals 3 A or 10 A Range Auto 100 A 1 mA 10 mA 100 mA 1 A 3 A or 10 A Terminals set to 10 A Aperture PLC 0 02 0 2 1 10 100 Default value 10 Auto Zero Off or On default Configure AC voltage measurement R...

Страница 15: ...frequency and period measurements Parameters include range AC filter and gate time Range 100 mV 1 V 10 V 100 V 750 V Auto default AC Filter 3 Hz 20 Hz 200 Hz Gating time 10 ms 100 ms default or 1 s T...

Страница 16: ...2 1 10 100 Default value 10 Auto Zero Off or On Default 2 wire measurement only Not suitable for 4 wire measurement Units C F or K Keys Application Run and stop the measurement Save function Take a s...

Страница 17: ...clear the error message Select manual or Auto range Press to manually increase the range press to manually reduce the range Keys Application Return to instrument local control when in Remote mode or i...

Страница 18: ...ble disable and clear statistics Limiting value Enables or disables upper and lower limits Display Key Soft keys Description Display Choose what to display number bar meter histogram or trend chart La...

Страница 19: ...status and preference files set boot default values Manage Files Perform basic file management tasks and screen capture I O Config Configure LAN Test Admin Perform self test calibration firmware updat...

Страница 20: ...current range input and the fuse will be blown when the input current exceeds 3 1A The multimeter is equipped with a high current input fuse when leaving the factory If you need to replace the small...

Страница 21: ...the measurement system 6 External trigger input You can trigger a multimeter by adding a trigger pulse to the Ext Trig connector At this point you need to select an external trigger source 7 LAN inter...

Страница 22: ...inds of measurements Standard interface HDM3055 5 30Krdgs s 150ppm AC DC voltage AC DC current 2 4wire resistance frequency period diode conductance thermocouple temperature USB 232 485 front single p...

Страница 23: ...meter Press the power button on the front panel to start the instrument 3 Start up process Normal startup Display the user interface 4 If the instrument does not start normally please follow the follo...

Страница 24: ...damage the multimeter For example do not use the measuring lead to measure AC voltage when it is connected to the current terminals DCV measurement ACV measurement DCI ACI measurement Small current D...

Страница 25: ...22 Resistance Measurement 2 wire Resistance Measurement 4 wire Capacitance Measurement Frequency Period Measurement Continuity Measurement Diode Measurement...

Страница 26: ...and Functions This section contains detailed information about instrument features This chapter outline Measurement Triggering and Readings Probe hold Mathematics introduction Display introduction Uti...

Страница 27: ...period Auxiliary measurement The DC voltage This section describes how to configure DC voltage measurements from the front panel including DCV proportional measurements Step 1 Configure the test lead...

Страница 28: ...ime to perform the reset to zero measurement With Auto Zero enabled ON the DMM makes an internal measurement of the offset after each measurement Then the offset value is subtracted from the previous...

Страница 29: ...he reference voltage The reference voltage is the difference between two separate measurements These measurements are the DC voltage from the HI sensing terminal to the LO input terminal and from the...

Страница 30: ...ls greater than 300 V RMS will cause self heating of the signal regulator These errors are included in the instrument specification Changes in internal temperature due to self heating may cause additi...

Страница 31: ...Hz and 200 Hz and in general you should choose the highest frequency filter whose frequency is less than the frequency of the signal you are measuring because a higher frequency filter results in a fa...

Страница 32: ...on the front panel Step 3 For the HDM3000 with Aperture NPLC 10PLC by default use the Up Down arrow keys to specify the integration time in the Power Line Cycle Number PLC for measurement 1 10 and 100...

Страница 33: ...ge and down to less than 10 of the current range Press More to toggle between the two pages of settings Step 6 Auto Zero Auto Zero provides the most accurate measured value but requires additional tim...

Страница 34: ...p 3 By default the instrument selects 3A terminal Use the Terminals soft keys to switch between the 3A and 10A input terminals When you change it to 10 A the measurement range automatically changes to...

Страница 35: ...nging the amplitude of the input signal The three filters are 3 Hz 20 Hz and 200 Hz and in general you should choose the highest frequency filter whose frequency is less than the frequency of the sign...

Страница 36: ...ire resistance 4 wire resistance Step 2 press the front panel 2 w or 4 w The following menu appears 4Wmenu does not include Auto Zero Step 3 For the HDM3000 use the Up Down arrow keys to specify the i...

Страница 37: ...additional time to perform the reset to zero measurement With Auto Zero enabled ON the DMM makes an internal measurement of the offset after each measurement and then the offset value is subtracted fr...

Страница 38: ...ure measurements on the front panel Step 1 Configure the test leads as shown below 2 wire temperature 4 wire temperature Step 2 Press Temp on the front panel The following menu will appear Step 3 Pres...

Страница 39: ...easurement accuracy With Auto Zero disabled OFF the DMM makes a measurement of the offset and subtracts the offset from all subsequent measured parameters Step 5 Press Aperture and select the number o...

Страница 40: ...tomatic adjustment range can be adjusted down to less than 10 of the range can also be adjusted up to more than 120 of the range When the auto range adjustment range is off the instrument will not rep...

Страница 41: ...on the front panel Step 1 Configure the test leads as shown below Step 2 Press the one on the front panel to open a menu which specifies whether the DMM will ring to indicate a successful diode test...

Страница 42: ...wn to less than 10 of the current range Step 4 Press AC Filter and select filter for measurement The instrument uses three different AC filters allowing you to optimize low frequency accuracy or short...

Страница 43: ...timeout and returning 0 0 This facilitates the manufacture of test systems where DUT failure may result in no signal In this case the fault can be found more quickly and the overall test speed can be...

Страница 44: ...ir related auxiliary measurements include Main measurement function HDM3000 Auxiliary Measuring function DCV ACV ACV frequency DCI ACI ACI frequency frequency cycle cycle frequency The temperature The...

Страница 45: ...es a measurement allowing you to send signals to other devices in the measurement system Note To accurately display statistics for AC measurements in front panel mode you must use the default manual t...

Страница 46: ...a trigger delay between the occurrence of the trigger and the first measurement When using AUTO Delay Auto soft key the instrument will automatically determine the delay according to the function rang...

Страница 47: ...ration times Store and erase readings You can store up to 1 000 measurements in the HDM3000 reading memory The readings are stored in a first in first out FIFO buffer If the reading memory is full the...

Страница 48: ...ues These operations will not remove reading memory Change measurement parameters such as range and aperture Turn the limit on or off or adjust the limit Press Run Stop in front panel auto trigger mod...

Страница 49: ...e buzzer is enabled and automatically record the measured results when discovering a series of stable readings You can get additional readings without having to press Probe Hold again Press Remove Las...

Страница 50: ...ions place the probe into the null value circuit before pressing Null You can also specify a null Value by pressing Math changing the first soft key to Value and using the arrow key to enter the value...

Страница 51: ...Value by measuring Ref Value or you can enter a specified Value dBm scaling The dBm function is a logarithmic expression that compares the amount of electricity transferred to the reference resistor...

Страница 52: ...f DB or DBM scaling is used the mean and standard deviation are not shown note Span is the value of Max minus Min Press Clear Readings to clear the reading memory and restart statistical calculations...

Страница 53: ...sables beeping when limits are exceeded The Clear Condition can reset the limit boundary as described below Limit indicator display screen uses color to indicate limit and exceeding limit The trend ch...

Страница 54: ...lue is displayed in the standard background In contrast the 11 083 VDC reading is highlighted in red to indicate that it has exceeded its limit Histogram The same color scheme applies to histograms In...

Страница 55: ...tes that the upper limit has been exceeded The numbers 0 to 259 below the pale red limit area indicate the number of times each limit has been exceeded and the word FAIL indicates that the limit has b...

Страница 56: ...ss the Key and then press the Display soft key to select the Display type The table below summarizes all display types for each measurement mode Display type model digital The bar meter Trend chart hi...

Страница 57: ...curate measured value cannot be obtained on the front panel The number By default the instrument displays readings in digital form Add tables You can use the Label soft key to add a large text label t...

Страница 58: ...ommodate longer labels Select an auxiliary measurement Press 2nd Meas to select and display auxiliary measurements For example for the DCV measurement function you can choose ACV as the auxiliary meas...

Страница 59: ...asurements that can be used in each measurement function see Auxiliary measurements The display digit soft key can select the digits displayed by the multimeter For example the figure below shows 6 bi...

Страница 60: ...other specific function settings such as measurement aperture NPLC Settings The measurement will be rounded not truncated The bar meter The bar meter shown below adds a move bar below the standard dig...

Страница 61: ...Center value with 1500 Span Select an auxiliary measurement Press 2nd Meas to select and display auxiliary measurements For example for the DCV measurement function you can select the ACV peak or pre...

Страница 62: ...isplay is filled the data on the left side of the display is compressed as new data is added to the right side of the display In Recent mode the trend chart will display readings taken over a specifie...

Страница 63: ...ct the histogram display To avoid this select a fixed range when using histogram displays Select display Press the Key and then press the Display soft key to select the Display type Binning You can us...

Страница 64: ...4 V High value or 0 5 V Span value and 9 V Center value The histogram main menu also includes a Cumulative soft key which can hide or display a line representing the Cumulative distribution of histog...

Страница 65: ...e measurement Preferences are instrument related non volatile parameters but not any particular measurement value Store Settings You can use the Store Settings to browse to a directory and specify a f...

Страница 66: ...erence Settings of the instrument Utility menu Manage files You can use the Manage Files soft keys to create copy delete and rename files and folders on the instrument s internal flash memory or in th...

Страница 67: ...le you want to rename and then press Select Press New Name to enter a new name then press Done Press Perform Rename Done Browse Browse selects the file or folder to use to perform the operation Use th...

Страница 68: ...ttings LAN Settings opens the menu shown below After enabling or disabling one or more services press Apply You must then turn the power off and back on for the new Settings to take effect GPIB Settin...

Страница 69: ...ings can specify user preferences that control how you interact with the instrument These Settings are stored in nonvolatile memory Help language Help Lang can select the help language used in the fro...

Страница 70: ...he remote interface to return to the local state Date Time Date Time allows you to set the real time clock of the instrument The clock is always in 24 hour format 00 00 00 to 23 59 59 There are no aut...

Страница 71: ...es Each connection between the metals will form a thermocouple which will generate a voltage proportional to the connection temperature as shown in the table below You should minimize thermocouple vol...

Страница 72: ...digital A D converter is its ability to reject the power line related noise that exists in the DC input signal This feature is known as normal noise rejection or NMR The multimeter realizes normal no...

Страница 73: ...d by ground loop If the multimeter and the device under test are connected to the same common ground point measuring the voltage in this circuit will form a ground loop As shown below any voltage diff...

Страница 74: ...red For 4 wire resistors separate induction connections are required Since no current flows through the induction leads the resistance in these leads does not cause measurement errors Measuring small...

Страница 75: ...ement of HDM3000 has true RMS response The average heating power of a resistor over a period of time is proportional to the square of the effective value of the voltage applied to the resistor over th...

Страница 76: ...igh frequency signal components A common misconception is that because the AC multimeter measures true RMS its sine wave accuracy index applies to all waveforms In fact the waveform of the input signa...

Страница 77: ...icantly reduced to the 300kHz approximate bandwidth of the multimeter so the measurement of such pulses is more accurate Reducing PRF can increase the line density in the Fourier spectrum and increase...

Страница 78: ...rement cycle consists of two parts the charging stage as shown in the figure and the discharge stage The time constant in the discharge stage is larger because of the protective resistor in the measur...

Страница 79: ...capacitance measured using the single frequency method of an LCR meter LCR meters will display different values at different frequencies Capacitors with a large time constant dielectric absorption wi...

Страница 80: ...easurement results This chapter is as follows The calibration process The calibration procedure The calibration process This section covers the procedure for adjusting calibrating the performance of t...

Страница 81: ...e procedures It is important to avoid a ground loop by connecting the LO to the ground at only one point in the circuit Because the instrument is capable of very precise evaluation you must be extra c...

Страница 82: ...tion the ADC and zeroing calibration adjustment procedures must have been recently performed Flatness calibration can be performed using either the front or rear input terminals Make sure the Front Re...

Страница 83: ...1 SelfTest and reset to zero calibration 2 DC voltage gain calibration 3 DC current gain calibration 4 Ohmic gain calibration 5 AC voltage gain and flatness calibration 6 AC current gain and flatness...

Страница 84: ...n the no load state 3 The display displays a message indicating that the SelfTest calibration is in progress The results of the SelfTest calibration are then displayed A Succeeded message indicates th...

Страница 85: ...re is no need for repeated calibration DC voltage gain calibration Configuration DC voltage 1 Configure each function and range in the order shown in the table below 2 Apply the input signal shown in...

Страница 86: ...Gain Calibration Configuration This procedure adjusts the gain of the 2 wire and 4 wire resistor functions as well as the offset compensation resistor functions 1 Configure each function and range in...

Страница 87: ...00mV 100mV 1KHz 100mV 20KHz 100mV 50KHz 100mV 100 KHz 100mV 150KHz 100mV 300KH z 1V 1V 1KHz 1V 20K Hz 1V 50K Hz 1V 100KHz 1V 150KHz 1V 300KHz 10V 10V 1KHz 10V 10Hz 10V 20 KHz 10V 50 KHz 10V 100KH z 10...

Страница 88: ...Repeat steps 1 to 4 for each current range shown in the table 61 2 DMM calibration points are as follows Range linearity calibration gear Calibration point 1 Calibration point 2 Calibration point 3 10...

Страница 89: ...apacitance specification of the multimeter Configuration capacitance 1 Remove all connections from the front terminal of the instrument 2 Select the front terminal 3 Enter the calibration value 0 The...

Страница 90: ...87 1uF 1uF 10uF 10uF 100uF 100uF Chapter 5 Appendix Appendix A HDM3000 Digital Multimeter Annex...

Страница 91: ...ftware Note For all standard accessories and optional accessories please order from local agent or distributor of Qingdao Hantek Electronic Co Ltd Appendix B Warranty Summary Qingdao Hantek Electronic...

Страница 92: ...s provided by this summary or any other applicable warranty card Qingdao Hantek Electronic Co Ltd does not provide any other warranties express or implied including but not limited to any implied warr...

Страница 93: ......

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