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4

Using the Digital Multimeter Functions

126

Agilent U1602A/U1604A User’s and Service Guide

Ohmmeter

The ohmmeter provides measurements for resistance, continuity test,
capacitance and diode test. The instrument automatically select the range
using auto- range. However, you can manually adjust the range of the
measurement, giving faster performance. Refer to “

Auto- range Mode

in this section for more detailed information.

Resistance Measurement

To perform resistance measurement, do the following instructions:

1

Press

button to access meter menu.

2

Press F2 to access ohmmeter submenu.

3

In the ohmmeter submenu, press F1 to select the resistance
measurement from the pull- up menu.

4

Connect the red test lead to the

input terminal and the black

test lead to the

COM

terminal.

5

Probe the test point of the circuit or device under test.

6

Read the resistance reading from the display. The display indicates the
proper decimal point, value and symbols.

7

To perform relative function, please refer to “

Relative Function

section in this chapter.

WA RN I N G

Disconnect power to the device or circuit under test and discharge all high voltage
capacitors to avoid electric shock and prevent possible damage to the instrument or
device under test while taking resistance measurement.

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Содержание U1602A

Страница 1: ...Agilent Technologies Agilent U1602A and U1604A Handheld Digital Oscilloscopes User s and Service Guide...

Страница 2: ...flict with these terms the warranty terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be...

Страница 3: ...mited to the implied warranties of merchantability and fitness for a particular purpose To the extent allowed by local law Agilent shall not be liable for errors contained herein or for incidental or...

Страница 4: ...warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement will control Duration and conditions of warranty for this product may...

Страница 5: ...om the Buyer s circuitry In addition Agilent does not warrant any damage that occurs as a result of the Buyer s circuit or any defects that result from Buyer supplied products To the extent allowed by...

Страница 6: ...re to comply with these requirements Safety Notices WARNING A WARNING calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in injury or loss...

Страница 7: ...tentiality Caution risk of electric shock The Instruction Documentation Symbol The product is marked with this symbol when it is necessary for the user to refer to the instruc tions in the supplied do...

Страница 8: ...it indicates the year the design was approved This ISM device complies with Canadian ICES 001 The CSA mark is a registered trademark of the Canadian Standards Association The UL mark is a registered...

Страница 9: ...ements WARNING All DMM Scope COM are internally connected Only connect DMM Scope COM to same potential Remove all unused scope probes and test leads WARNING Do not connect DMM test leads and scope pro...

Страница 10: ...sure that the right safety and performance ratings of instrument and accessories are used Maximum Input Voltages Input CH1 and CH2 direct 1 1 Probe 300 V CAT III Input CH1 and CH2 via 1 10 Probe 600 V...

Страница 11: ...the instrument if it does not operate properly Have the instrument inspected by qualified service personnel Do not operate the instrument in wet or damp environments Do not operate the instrument in a...

Страница 12: ...ard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring an...

Страница 13: ...000 m Temperature 0 to 50 C Operating 20 C to 70 C Non operating Humidity 80 RH at 40 C Operating at full accuracy CAUTION This instrument is designed to be used for measurement in Measurement Categor...

Страница 14: ...er Functions Chapter 4 contains reference information to help you select and utilize multimeter functions This chapter also guides you on how to configure connections to perform the meter measurements...

Страница 15: ...Class A Group 1 IEC 61000 4 2 1995 A1 1998 EN 61000 4 2 1995 4 kV CD 8 kV AD IEC 61000 4 3 1995 EN 61000 4 3 1995 3 V m 80 1000 MHz IEC 61000 4 4 1995 EN 61000 4 4 1995 0 5 kV signal lines 1 kV power...

Страница 16: ...2064 1 EMC IEC 61010 1 2001 EN 61010 1 2001 Canada CSA C22 2 No 61010 1 2004 Safety USA UL 61010 1 2004 Additional Information The product herewith complies with the essential requirements of the Low...

Страница 17: ...Set Date and Time 37 To Set Auto Power Off 39 To Select Quick Help Language 40 To Adjust Contrast of Display 41 To Compensate Scope Probe 42 2 Front Panel and Displays Overview 45 Front Panel Overview...

Страница 18: ...nge Horizontal Scale Factor 64 To Set Delay of the Waveforms 65 To Change Trigger Point Indicator 66 Horizontal Mode Functions 67 Time Base mode 67 Main Zoom Mode 68 Roll Mode 70 Trigger Controls 71 T...

Страница 19: ...r Transform 104 Save and Recall Controls 106 Save and Recall Controls without USB Flash Memory Device 106 To Save and Recall Waveform 108 To Erase Setup 110 To Erase Waveform 111 To Restore Factory Se...

Страница 20: ...2 Temperature Meter 132 Ampere Meter 134 Humidity Meter 135 Pressure Meter 136 Relative Function 138 Automatic Measurement in Multimeter Mode 140 Restart Test 141 Auto range Mode 141 5 Using the Data...

Страница 21: ...fication Tests 168 DC Voltage Verification Test 168 AC Voltage Verification Test 170 Resistance Verification Test 171 Capacitance Verification Test 172 Diode Verification Test 173 Continuity Verificat...

Страница 22: ...LCD display 194 Replacement Parts 195 9 Characteristics and Specifications 196 Specifications 197 Characteristics 199 General Characteristics 204 Environmental Conditions 205 Pollution Degree 205 Poll...

Страница 23: ...ence for scope probe compensation 44 Figure 2 1 U1600A series handheld digital oscilloscope front panel 48 Figure 2 2 Interpreting Scope Display 52 Figure 2 3 Interpreting meter display 54 Figure 3 1...

Страница 24: ...0 Figure 3 27 Voltage measurement 91 Figure 3 28 Phase measurement 92 Figure 3 29 Delay measurement 92 Figure 3 30 Cursor measurement menu 94 Figure 3 31 X cursor measurement for channel 1 signal with...

Страница 25: ...m 1 shows that you can erase the waveform from the internal memory 111 Figure 3 46 Restore factory setup in Save Load Setup menu 113 Figure 3 47 The instrument requests confirmation to restore factory...

Страница 26: ...15 seconds 150 seconds 147 Figure 5 4 After exceeding 150 seconds the graph automatically compresses to half screen and the time base changes to 30 seconds 300 seconds 147 Figure 7 5 Test connection...

Страница 27: ...gure 8 11 Remove the ten screws from the front cover 192 Figure 8 12 Remove keypad from the front cover 192 Figure 8 13 Remove the six screws and pull the ribbon cable from the PCBA board 193 Figure 8...

Страница 28: ...to verify voltage measurement accuracy 161 Table 7 4 Signal generator frequency setting 164 Table 7 5 DC Volts Verification Test 169 Table 7 6 AC Volts Verification Test 170 Table 7 7 Resistance Veri...

Страница 29: ...he U1600A Series com prises two models U1602A and U1604A with 20 MHz and 40 MHz bandwidths respectively With its 4 5 inch LCD color display it is capable of clearly distinguishing waveforms from two c...

Страница 30: ...following items for the standard shipped components or optional accessories you may have ordered U1602A or U1604A handheld digital oscilloscope Power cord AC adapter Oscilloscope probes 1 1 10 M pass...

Страница 31: ...fy your Agilent Technologies Sales Office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier and the Agilent Technologies Sales Office Keep the sh...

Страница 32: ...er cord types Plug Type Part No Plug Type Part No United Kingdom 8120 6315 South Africa and India 8121 0702 Australia New Zealand 8120 6312 Japan 8120 6316 Europe 8120 6314 Brazil Thailand Philippines...

Страница 33: ...hat you have the correct line power cord refer to Table 1 1 The AC adapter automatically converts input line voltage ranges from 100 VAC 240 VAC 50 Hz 60 Hz to output voltage 12 VDC 2 A Figure 1 3 Bat...

Страница 34: ...ings cannot be recovered 1 Press and hold button to enter Save Recall menu 2 Select F1 softkey to enter Save Recall Setup mode 3 On page 1 4 of Save Recall mode press F1 to restore factory setup The m...

Страница 35: ...U1602A U1604A User s and Service Guide 35 Ampere meter set to DC relative off Humidity meter set to RH relative off Pressure meter set to psi relative off Logger Logger Volt DC input Maximum logging...

Страница 36: ...ing recommendations Every 12 months or after 2000 hours of operation If the ambient temperature is 10 C from the calibration temperature If you want to maximize the measurement accuracy after experien...

Страница 37: ...an set the current date and time on the instrument The current time and date will appear at the right bottom corner of the display To set the date and time do the following 1 Press button and F4 softk...

Страница 38: ...Guide Figure 1 6 Select the date format 3 Press F2 to select Year Month Day Hour Minute or Second and turn the rotary switch to select the desired value 4 Press the rotary switch to store the preferen...

Страница 39: ...front panel keys are active during the set timer period After the set timing the instrument saves the last configuration settings and turns off automatically To set auto power off do the following 1...

Страница 40: ...store the language of your preference See the following steps for upgrading your instrument s firmware or downloading the Quick Help in different languages 1 Select and save the firmware binary file t...

Страница 41: ...allows you to adjust the LCD brightness with the following steps 1 Press button and F1 softkey to enter Display mode 2 On 1 2 page of Display mode press F2 once to release the figure lock 3 To increas...

Страница 42: ...instrument Without a proper compensated probe the accuracy of your measurement is not be guaranteed To adjust the scope probe compensation perform the following steps 1 Press button and F4 softkey to...

Страница 43: ...U1604A User s and Service Guide 43 Figure 1 10 Connection for scope probe compensation Figure 1 11 A 10X scope probe with over compensation adjust the trimmer capacitor to obtain the flattest pulse p...

Страница 44: ...compensation Use a nonmetallic tool to adjust the trimmer capacitor on the probe for the flattest pulse possible refer to Figure 1 13 The trimmer capacitor is located as shown in Figure 1 12 Figure 1...

Страница 45: ...ements They provide access to the softkey menus for respective function and value setting selected by turning the rotary switch These front panel keys lead you to the first layer of the function s men...

Страница 46: ...gilent U1602A U1604A User s and Service Guide Figure 2 1 U1600A series handheld digital oscilloscope front and side view USB 2 0 client USB 2 0 host DC input NOTE To EXIT the sub menu of the main func...

Страница 47: ...into the virtual waveform by turning the zoom window horizontally 4 Meter Main function key to switch to multimeter mode This meter mode provides access to Voltmeter Ohmmeter and Auxiliary meter sub m...

Страница 48: ...rce instrument to start scanning for trigger If the trigger mode is set to Normal the display will not update until a trigger is found If the trigger mode is set to Auto the instrument looks for a tri...

Страница 49: ...ll scale up the vertical sensitivity There are two buttons for each channel s adjustment 16 Rotary Switch This rotary switch is activated only in oscilloscope mode for adjustment of the following func...

Страница 50: ...and sweep speed time div 2 Waveform display area The display area contains the waveform acquisition channel identifiers in two different colors trigger level and ground reference indicator 3 Time ref...

Страница 51: ...These two rows display the trigger status type and mode The trigger status T D blinks when no signal is detected 7 Measurement line This column displays the results of the selected automatic measureme...

Страница 52: ...to select the range of preference Manual range option is available only for Voltmeter and Ohmmeter mode 2 Meter display area The display area contains results of real time maximum minimum and average...

Страница 53: ...17 Utility Controls 119 Low Battery Mode 121 Mute Function 122 This section guides you through the operation steps in setting up the vertical system control of the instrument It is highly recommended...

Страница 54: ...aveform Display The default configuration setting of the instrument enables the waveform display for vertical channel 1 You can enable either one channel or both channels simultaneously The following...

Страница 55: ...display the pull up menu Figure 3 2 Select On or Off to enable or disable the waveform display 4 Select On in the pull up menu by pressing F1 to display waveform input 5 In the On state the vertical s...

Страница 56: ...able the setting of the waveform position Turn rotary switch clockwise to move the waveform up and vice versa to move the waveform down 2 As you turn the rotary switch the corresponding voltage value...

Страница 57: ...igate to the next page of the submenu press F4 softkey In the page 2 2 of the channel submenu press F3 to reset the vertical ground reference position to the center of the screen Figure 3 4 Reset vert...

Страница 58: ...500 mV div to 10 kV div for 100 1 scope probe To change vertical sensitivity for each channel use the vertical scale factor button for sensitivity increment and reduction Press the upper button with...

Страница 59: ...channel 2 menu by pressing the button 2 On page 1 2 of each respective channel s submenu you can view and set the channel coupling by pressing the F2 softkey A pull up menu is displayed with the sele...

Страница 60: ...ewing waveforms as low as 0 Hz that do not have large DC offsets The symbol is shown at the top left of the status line See Figure 3 7 for DC channel coupling Figure 3 7 DC channel coupling Ground cha...

Страница 61: ...ale types of probe attenuation are available 1X Select when using 1 1 probe or when directly sourcing the signal to the input terminal 10X Select when using a 10 1 probe 100X Select when using a 100 1...

Страница 62: ...n remain unchanged after the inversion a reposition of the trigger is required in order to view the triggered inverted signal To invert the waveform on channel 1 do the following 1 Go to individual ch...

Страница 63: ...e Guide 63 Figure 3 11 The waveform after inversion NOTE The Invert function does not affect triggering If the instrument is set to trigger on a rising edge it remains set to trigger on the same edge...

Страница 64: ...reference point The horizontal control changes the position of the trigger point relative to the center of the screen Vertical System Setup To Change Horizontal Scale Factor Horizontal scale is appli...

Страница 65: ...e indicator To set delay for a waveform follow instructions below 1 Enter the Scope menu by pressing the button 2 In Scope menu press F3 to access Delay submenu 3 On page 1 2 press F1 softkey to enabl...

Страница 66: ...ntal full scale All events displayed at the left of the trigger point are called pre trigger information because they happen before the triggering All events at the right of the trigger point measurin...

Страница 67: ...volts versus time display that is the default for this instrument In this format amplitude is plotted on vertical Y axis and time is plotted on horizontal Y axis XY format changes the display from vol...

Страница 68: ...by pressing the button 2 In Scope menu press F3 to access Delay submenu 3 On page 1 2 press F3 softkey to display a pull up menu for the YT and XY time base selections 4 Select YT format for volts ve...

Страница 69: ...u press F3 to access Delay submenu 3 On page 2 2 press F2 softkey to turn on the Window This Window is used to select a zoom window on a waveform Turning off the Window function removes the zoom area...

Страница 70: ...ode there is no trigger that means no pre trigger information is available A reference point is fixed on the right edge of the screen and refer to the current moment in time The Roll mode is useful in...

Страница 71: ...rom an unstable signal Trigger Modes The trigger mode affects the way the instrument searches for the trigger The trigger event divides the acquisition memory into a pre trigger and a post trigger buf...

Страница 72: ...nditions are met otherwise the instrument does not trigger and the display is not updated If you press RUN when the instrument is in Normal trigger mode a trigger must be detected before an acquisitio...

Страница 73: ...e trigger can be used for analog and digital circuits You can define the trigger source coupling level and slope in this menu The slope controls the signal to be triggered at the rising or falling edg...

Страница 74: ...high frequency components from the trigger waveform The HF Rej is useful to observe low frequency signals while getting rid of high frequency noise from trigger path LF Rejection coupling places a 30...

Страница 75: ...er do the following 1 Press button at the front panel to access the Trigger type menu 2 Press F1 to select the pulse trigger type from the pull up list 3 The submenu of pulse trigger is displayed conc...

Страница 76: ...h transition of the pulse if the qualifying condition is true Condition Press F3 on page 2 2 to set the pulse width and qualifying condition You can set the pulse width by turning the rotary switch Th...

Страница 77: ...the rotary switch The value of the trigger level is displayed under the Level column TTL trigger level sets the trigger level to recognize the High Low condition in a TTL signal automatically ECL tri...

Страница 78: ...ombination of the channel Condition Press F3 on page 3 3 to set the pulse width and qualifying condition You can set the pulse width by turning the rotary switch There are 4 conditions for your select...

Страница 79: ...he video trigger type from the pull up list 3 The submenu of video trigger display concurrently after the selection The submenu of video trigger includes Standard Press F2 on page 1 2 to select the st...

Страница 80: ...lected during one trigger event and all samples from previous trigger events are erased The equivalent sampling is an acquisition technique used only with repetitive signals With this technique sample...

Страница 81: ...ition mode is used to reduce random noise and increase vertical resolution by averaging multiple acquisitions By changing the average number from 2 to 256 in power of 2 increments you can improve the...

Страница 82: ...e Guide Figure 3 20 Average acquisition mode Peak Detection Mode The Peak Detection mode captures the maximum and minimum values of the sampling signal over multiple acquisition This is useful to veri...

Страница 83: ...pared to the dots display type It allows the view of steep edges on a waveform especially square waves The vector display type is set as the default display type and subtle detail of complex waveforms...

Страница 84: ...a better view of the display To adjust the display contrast do the following 1 Press button at the front panel to access the User menu 2 Press F1 to access the Display submenu 3 Press F2 on page 1 2...

Страница 85: ...the display with new acquisitions but does not erase the results of previous acquisitions New acquisitions are shown in the respective channel s signal line color while all previous acquisitions are d...

Страница 86: ...surement displays at the measurement line refer to Oscilloscope Display Overview 30 at the right of the display You can display any four different automatic measurement types simultaneously The 22 aut...

Страница 87: ...tice there are four measurement files to be selected among the 22 automatic measurement types Press the respective softkey to activate the corresponding measurement file 3 Turn the rotary switch to se...

Страница 88: ...matic Measurements Duty The positive duty cycle of a repetitive pulse train is the ratio of the positive pulse width to the period expressed in percentage Duty cycle Duty The negative duty cycle of a...

Страница 89: ...Frequency Frequency is defined as 1 period and it used to measure the frequency of a waveform Rise Time The rise time of a signal is the time difference between the crossing of the lower threshold and...

Страница 90: ...a measurement is the statistical average of the measurement Mean Cycle The mean cycle value of a measurement is the statistical average of the measurement within a cycle period Amplitude Amplitude is...

Страница 91: ...value in the waveform display Minimum Minimum is the lowest value in the waveform display Peak to peak Peak to peak is defined as the difference between maximum and minimum values RMS RMS DC is the ro...

Страница 92: ...edge of source 1 occur after the rising edge of source 2 Phase Figure 3 28 Phase measurement Delay Delay is defined as the difference between the selected edge on source 1 and the selected edge on sou...

Страница 93: ...eshoot Falling edge preshoot Overshoot Overshoot is the distortion that follows a major edge transition expressed as a percentage of amplitude refer to Figure 3 26 Rising edge overshoot Overshoot Over...

Страница 94: ...at any desired point of a waveform The horizontal cursor marker indicates the X axis value for time base measurement and the vertical cursor marker indicates the Y axis value for voltage measurement...

Страница 95: ...area The instructions below will guide you through the steps of setting up the X cursor measurement 1 On the X cursor menu page press F2 to select cursor mode to be either single X1 or X2 cursor line...

Страница 96: ...with X1 and X2 cursor lines 5 In Figure 3 31 measurement is made for the signal at channel 2 The X1 measurement is 11 20 mV at 500 0 s The X2 measurement is 11 20 mV at 1 000 ms The delta of X1 and X2...

Страница 97: ...and Service Guide 97 Figure 3 32 X cursor measurement for channel 2 signal with X1 and X2 cursor lines 6 In Figure 3 32 math function is selected Figure 3 33 Math functions for X cursor measurement X...

Страница 98: ...ta of Y1 and Y2 D are displayed at the top right of the waveform display area 1 On the Y cursor menu page press F2 to select cursor mode to be in either single Y1 or Y2 cursor line or the combination...

Страница 99: ...surement for channel 1 signal with Y1 and Y2 cursor lines 5 In Figure 3 34 the measurement is made for the signal at channel 2 The Y1 measurement is 13 60 mV The Y2 measurement is 56 80 mV The delta o...

Страница 100: ...or measurement for channel 2 signal with X1 and X2 cursor lines 6 In Figure 3 35 math function is selected and the result is displayed in red at the top right of the waveform display area Figure 3 36...

Страница 101: ...set the vertical position of the math waveform in math menu mode for your ease of observation Dual Waveform Math Add Subtract To select math functions follow the instructions below 1 Press button to a...

Страница 102: ...and channel 2 waveforms by pressing F2 for function selection There is a possibility of the math waveform overlapping both the channel waveforms turn the rotary switch to adjust the vertical position...

Страница 103: ...annel 1 voltage values and the result is displayed in math waveform This function is useful for comparison of the two waveforms and to make a differential measurement For adjusting the math vertical p...

Страница 104: ...g waveforms caused by amplifier non linearity for characterizing noise in DC power supplies or to adjust analog filters To perform FFT measurement follow the instructions below 1 Press button to acces...

Страница 105: ...y resolution but less amplitude accuracy compare to Rectangle The Hamming window has a slightly better frequency resolution than Hanning and is suitable for measuring sine periodic and asymmetric tran...

Страница 106: ...up includes the horizontal and vertical measurements cursors math functions and trigger settings that are saved in a setup file Saving a waveform lets you store the visible acquisition waveform for la...

Страница 107: ...be stored over four pages of menu Press the respective softkey to save or load setups to from internal memory 4 In Figure 3 39 press F1 to save the configuration setup into Setup 1 5 Press the F1 agai...

Страница 108: ...y follow the instructions below 1 Press and hold to access Save Recall menu 2 Press F2 to access Save Load Waveform menu 3 Up to 10 waveforms can be stored over four pages of menu Press the respective...

Страница 109: ...1 to save the waveform into Waveform 1 Figure 3 43 The Load display indicates the a waveform file is saved into Waveform 1 and you can press F1 to retrieve the waveform from internal memory This funct...

Страница 110: ...ss and hold to access Save Recall menu 2 Press F3 to access Erase Setup menu 3 Press the respective softkey to erase the stored setup from internal memory 4 In Figure 3 43 press F1 to erase the config...

Страница 111: ...1 Press and hold to access Save Recall menu 2 Press F4 to access Erase Waveform menu 3 Press the respective softkey to erase the stored setup from internal memory 4 In Figure 3 44 press F1 to erase th...

Страница 112: ...Others cursor measurement off auto measurement off auto power off English language DMM Voltmeter set as DC relative off auto measurement off Ohmmeter set as Resistance relative off auto measurement of...

Страница 113: ...Scope Functions 3 Agilent U1602A U1604A User s and Service Guide 113 Figure 3 46 Restore factory setup in Save Load Setup menu Figure 3 47 The instrument requests confirmation to restore factory defau...

Страница 114: ...rior to utilizing the save and recall functions via USB connectivity When the USB flash memory is connected a message to of detecting the USB flash memory appears and alert users not to remove the USB...

Страница 115: ...into USB flash memory device The filename with svw extension will appear in the file list To Load Waveform When downloading a waveform from USB flash memory you are prompted to select the file to down...

Страница 116: ...access Save Recall menu 2 The display lists the flash memory s contents Turn the rotary switch to move the cursor to select the file 3 Press F3 to erase the file from the list This step removes the w...

Страница 117: ...time div by counting the trigger pulse and selects the most appropriate time div for both the input signals Both channels are turned on and will be examined for signal activities concurrently By press...

Страница 118: ...no trigger is found it will set the trigger automatically and display the input signals immediately The Auto and Normal trigger indicator is shown in the trigger line located at the right of the displ...

Страница 119: ...s Auto power off control Language Setting USB flash memory on off Date Setting Time Setting Self calibration Probe calibration Auto Power Off Control You can save power consumption with this auto powe...

Страница 120: ...e and Recall Controls with USB Flash Memory Device 114 on detailed instructions of setting this feature Date and Time Setting You are allowed to set the date and time display for the instrument The ti...

Страница 121: ...compensation Low Battery Mode When the instrument is under low battery condition the following warning message appears on the display screen and audible beeper sounds After the display of the warning...

Страница 122: ...function follow the steps below 1 Press User then F4 softkey to access Utility mode 2 On page 4 4 of the Utility menu press F1 to display the mute on off menu 3 Select Mute On to turn off the key sou...

Страница 123: ...count resolution true RMS digital multimeter comes with auto range function that provides flexibility in performing quick and accurate meter measurement Multimeter functions include voltage resistanc...

Страница 124: ...measurement To perform voltage measurement see the following instructions 1 Press button to access meter menu 2 Press F1 to access voltmeter submenu 3 In the voltmeter submenu press F1 to select DC A...

Страница 125: ...are in contact with the metal contacts inside the outlet Improper contact may lead to inaccurate voltage measurement This poses to cause risk of electrocution if the device under test is powered but t...

Страница 126: ...meter menu 2 Press F2 to access ohmmeter submenu 3 In the ohmmeter submenu press F1 to select the resistance measurement from the pull up menu 4 Connect the red test lead to the input terminal and the...

Страница 127: ...measurement for minimum maximum and average readings 9 Press F4 to refresh and recollect measurement reading Figure 4 3 Resistance measurement NOTE If the device under test is an assembled part of a c...

Страница 128: ...rminal 5 Probe the test point of the circuit or device under test 6 Read the resistance reading from the display The display indicates the proper decimal point value and symbols 7 If the resistance is...

Страница 129: ...e the polarity of the probes and measure the voltage across the diode again Read the voltage reading from the display 8 Diode test result can be described as the following Diode is considered good if...

Страница 130: ...he Digital Multimeter Functions 130 Agilent U1602A U1604A User s and Service Guide Figure 4 5 Diode in forward bias condition Figure 4 6 Diode in open condition A caution symbol appears in open loop c...

Страница 131: ...yed as Cap from the pull up menu 4 Connect the red test lead to the input terminal and the black test lead to the COM terminal 5 Probe the red test point to the positive terminal anode of the capacito...

Страница 132: ...Press button to access meter menu 2 Press F3 to access auxiliary submenu 3 In the auxiliary submenu press F1 to select the temperature meter displayed as Temp Meter 4 In the temperature meter submenu...

Страница 133: ...isplay CAUTION Avoid severe excessive bending and kinking of the temperature probe leads as prolonged bending condition may break leads Do not dip the temperature probe tip into acidic liquids Do not...

Страница 134: ...u press F2 to select the ampere meter 4 In the ampere meter submenu press F1 to select AC current or DC current measurement 5 Ensure the current adapter positive terminal is connected to instrument in...

Страница 135: ...tions below 1 Press button to access meter menu 2 Press F3 to access auxiliary submenu 3 In the auxiliary submenu press F3 to select the humidity meter 4 Ensure the humidity adapter positive terminal...

Страница 136: ...decimal point value and symbols To perform pressure measurement follow the instructions below 1 Press button to access meter menu 2 Press F3 to access auxiliary submenu 3 In the auxiliary submenu pres...

Страница 137: ...8 To perform relative function please refer to Relative Function 138 section in this chapter 9 Press F3 to perform automatic measurement for minimum maximum and average readings 10 Press F4 to refres...

Страница 138: ...inuity test To turn on or off the relative function press F2 in each respective multimeter function submenu Example Obtain a 1 177 kW from a resistance measurement and set the reading as a reference v...

Страница 139: ...gital Multimeter Functions 4 Agilent U1602A U1604A User s and Service Guide 139 Figure 4 13 Set the reading as measured value Figure 4 14 Relative value obtained from the delta of the measured and ref...

Страница 140: ...for all multimeter measurements except diode test and capacitance measurement The real time minimum and maximum measurement are displayed along with the recorded time The average value is the arithme...

Страница 141: ...respective multimeter submenu This feature is not available for diode test and capacitance measurement Auto range Mode All multimeter measurement is set to Auto range mode as default To enable or disa...

Страница 142: ...ing the Digital Multimeter Functions 142 Agilent U1602A U1604A User s and Service Guide Figure 4 16 Auto range mode Figure 4 17 Manual range mode Auto range indication Select the preferred range manua...

Страница 143: ...matic Measurement in Data Logger Mode 148 Restart Test 148 The U1600A series handheld digital oscilloscope is equipped with data logging function for multimeter measurements The data logger plots the...

Страница 144: ...nutes 200 minutes 10 hours 20 hours 30 hours 60 hours 120 hours 10 days 20 days The time base increments changes by every 10 divisions from a minimum of 15 s div 150 seconds to maximum of 2 days div f...

Страница 145: ...meter Resistance Diode test Continuity Capacitance displayed as Cap Auxiliary meter DC current AC current Temperature C displayed as C Temp Temperature F displayed as F Temp Relative Humidity displaye...

Страница 146: ...examples for resistance and DC voltage data logger Figure 5 1 Maximum measurement is selected for resistance data recording The initial time base is 15 seconds 150 seconds Figure 5 2 After exceeding 1...

Страница 147: ...e Guide 147 Figure 5 3 Maximum measurement is selected for DC voltage data recording The initial time base is 15 seconds 150 seconds Figure 5 4 After exceeding 150 seconds the graph automatically comp...

Страница 148: ...rements for data recording purposes The real time minimum and maximum measurements are displayed along with the recorded time The average value is the arithmetic average value of the last 8 readings T...

Страница 149: ...rs warranty period Agilent Technologies will repair or replace the unit under the terms of your warranty After the expiration of the warranty Agilent will offer repair services at a very competitive p...

Страница 150: ...eplaced To obtain warranty service or technical support assistance you can contact Agilent Technologies at the following telephone numbers United States tel 800 829 4444 fax 800 829 4433 Canada tel 87...

Страница 151: ...Agilent worldwide through the following Web link www agilent com find contactus Accessories Warranty Agilent offers warranty for product s accessories for up to 3 months from the end user acceptance d...

Страница 152: ...all accessories from the instrument Do not include accessories unless they are associated with the failure symptoms 3 Protect the instrument by wrapping it in plastic or heavy paper 4 Pack the instru...

Страница 153: ...ry before reconnecting it to a power source Diassemble is not required or recommended for cleaning Basic Troubleshooting Hints This section provides hints and suggestions for solving general problems...

Страница 154: ...the signal to the best display Contact Agilent Technologies Service Center to obtain technical assistance if necessary If the trace display is unusual or unexpected Check that the horizontal time divi...

Страница 155: ...connector assembly and that the probe clips are making good contact with the probe lead wires Check that the circuit under test is powered on probe clips are securely connected to test points in the...

Страница 156: ...r Performance Verification Tests 168 Self Calibration 175 Self Calibration Error Code 176 This section documents procedures of performance testing You will be guided on how to verify instrument operat...

Страница 157: ...repairs or major upgrades Performance Test Record A test record form is provided in Agilent U1602A U1604A Handheld Digital Oscilloscope Test Record 179 This record lists performance tests test limits...

Страница 158: ...orting capacitor BNC Agilent 1250 0774 Adapter BNC f to banana m Agilent 1251 2277 Adapter BNC tee m f f Agilent 1250 0781 Bandwidth Calibrator NA FLUKE 5520A Feedthrough 50 BNC connector m and f Agil...

Страница 159: ...rification the recommended test equipments are listed as below Table 7 2 List of test equipment for multimeter performance test Application Recommended Equipment DC Voltage FLUKE 5520A AC Voltage FLUK...

Страница 160: ...test verifies the voltage measurement accuracy In this test you will measure the output of a power supply using dual cursors of the instrument and compare the results with reading from the multimeter...

Страница 161: ...time base YT by pressing F3 2 Place the calibrator in Standby STBY mode 3 Use the BNC tee and cables to connect the calibrator power supply to the instrument and multimeter as shown in Figure 7 1 Volt...

Страница 162: ...it a few seconds for the measurement to settle Compare the measurement results displayed on the multimeter to the corresponding test limits shown in Table 7 3 6 Continue to check voltage measurement a...

Страница 163: ...equired for this bandwidth verification test 1 Connect the calibrator output through a 50 feedthrough termination to input channel 1 of the instrument 2 Set up the instrument Set the time base to 500...

Страница 164: ...st Record 179 7 Change the frequency of the signal generator to the value shown below for your instrument Table 7 4 Signal generator frequency setting 8 Change the time base to 50 ns div 9 Wait for a...

Страница 165: ...ator 3 Set up the oscilloscope Press the Autoscale key Set the time base to 20 ms div Select Scope mode and press F3 to access Delay menu Set the Time Reference to Left at F2 Adjust the trigger level...

Страница 166: ...e display 2 Measure the following Frequency of 40 MHz Test limits are 38 24 MHz to 41 93 MHz Period of 25 ns Test limits are 23 85 ns to 26 15 ns Trigger Sensitivity Verification Test This test verifi...

Страница 167: ...m is stable If the trigger is not stable try to adjust the trigger level If adjustment is able to stabilize the waveform the test result is still considered a pass 3 Verify the trigger sensitivity at...

Страница 168: ...then press F1 softkey for Volt Meter 3 Press F1 to select DC Voltage measurement 4 Connect the calibrator to instrument s input and ground terminal as shown in Figure 7 2 using a banana plug 5 Select...

Страница 169: ...C Volts Verification Test Figure 7 6 Test connections from calibrator to instrument Calibrator Voltage Function Range Min Limit Max Limit 600 mV DC Volts 600 mV 597 7 mV 602 3 mV 6 V 6 V 5 977 V 6 023...

Страница 170: ...nana plug 5 Select each function and range in the order shown in Table 7 6 Apply the values from the calibrator shown in Table 7 6 below 6 Compare the measurement results to the corresponding test lim...

Страница 171: ...shown in Figure 7 2 using a banana plug 5 Select each function and range in the order shown in Table 7 7 Apply the values from the calibrator shown in Table 7 7 below 6 Compare the measurement result...

Страница 172: ...in Figure 7 2 using a banana plug 5 Select each function and range in the order shown in Table 7 8 Apply the values from the calibrator shown in table 7 8 below 6 Compare the measurement results to th...

Страница 173: ...t 4 Connect the calibrator to the instrument s input and ground terminal as shown in Figure 7 2 using a banana plug 5 Select each function and range in the order shown in Table 7 9 Apply the values fr...

Страница 174: ...ode of the instrument then press F2 softkey for Ohmmeter 3 Press F1 to select continuity test 4 Connect the calibrator to the instrument s input and ground terminal as shown in Figure 7 2 using banana...

Страница 175: ...emperature If you want to maximize the measurement accuracy after experiencing abnormal operation to verify proper operation after repairing To start self calibration do the following 1 Press button t...

Страница 176: ...176 Agilent U1602A U1604A User s and Service Guide Figure 7 7 Self calibration dialog box Self Calibration Error Code The following error codes indicate failures that may occur during the instrument...

Страница 177: ...OE7 7 Second zero offset calibration error for channel 2 at the range of 5 mV div to 20 mV div OE6 6 Second zero offset calibration error for channel 1 at the range of 5 mV div to 20 mV div OE5 5 Seco...

Страница 178: ...as 0 and fail as 1 See below for examples 1 In all pass status the instrument displays OK instead of hexadecimal code 0x0000 2 In all fail status the instrument displays 0x7fff 0000 0111 1111 1111 11...

Страница 179: ...8 V to 36 2 V 2 V div 14 V 13 52 V to 14 48 V 1 V div 7 V 6 76 V to 7 24 V 0 5 V div 3 5 V 3 38 V to 3 62 V 0 2 V div 1 4 V 1 352 V to 1 448 V 0 1 V div 700 mV 676 mV to 724 mV 50 mV div 350 mV 338 m...

Страница 180: ...FAIL 100 mVp p at 40 MHz 1 division at 40 MHz U1604A PASS FAIL PASS FAIL Multimeter Performance Verification Tests DC Voltage Verification Test Calibrator Voltage Range Test Limit Results 600 mV 600 m...

Страница 181: ...6 042 MW 60 MW 60 MW 59 28 MW to 60 72 MW Capacitance Verification Test Calibrator Settings Range Test Limit Results 60 nF 60 nF 58 68 nF to 61 32 nF 600 nF 600 nF 586 8 nF to 613 2 nF 6 mF 6 mF 5 86...

Страница 182: ...u step by step on how to dismantle the instrument and install the replacement assembly To assemble back the instrument follow the instructions in reverse order The parts shown in the following figures...

Страница 183: ...east three minutes for the capacitors in the instrument to discharge before you begin diassemble CAUTION AVOID DAMAGE TO ELECTRONIC COMPONENTS ELECTROSTATIC DISCHARGE ESD can damage electronic compone...

Страница 184: ...er cord and all connections from the instrument 2 Push and lift up gently at either side of the stand as pointed in Figure 8 1 Figure 8 1 Push towards the arrow direction to remove the stand 3 Remove...

Страница 185: ...tery replacement purpose To remove battery pack without stand installed perform the instructions below and followed by the battery removing procedures To remove stand 1 Remove two screw as pointed in...

Страница 186: ...eezer To replace battery pack For battery replacement purpose you can remove battery pack without removing stand follow the steps below WARNING To avoid electrical shock or fire during battery replace...

Страница 187: ...pen up the battery cover Figure 8 5 Remove battery pack cover without removing stand 2 Use tweezer to unplug the battery pin connector gently through the stand hole as shown in Figure 8 6 Figure 8 6 U...

Страница 188: ...carbon zinc etc with AC power adapter connected NOTE For battery replacement ensure the new battery pack are located in the correct polarity in the battery compartment and proper contacts between the...

Страница 189: ...e stand To remove battery pack 2 To remove the front and rear cover unscrew all the pointed locations as shown in Figure 8 7 from the plastic cover Figure 8 7 Remove screw from the rear cover 3 Gently...

Страница 190: ...erforming the above two procedures gently dismantle the front and rear casing from the instrument 3 Remove the terminal connector and washer from the multimeter input terminal Remove the AC power conn...

Страница 191: ...General Disassemble 8 Agilent U1602A U1604A User s and Service Guide 191 Figure 8 10 Remove front casing right and rear casing left from PCBA of the instrument...

Страница 192: ...move battery pack To remove handler To remove front and rear casing 2 Loosen the screws as pointed in Figure 8 11 below to remove the keypad interface board Figure 8 11 Remove the ten screws from the...

Страница 193: ...ng downward and remove the screw at the location as pointed in Figure 8 13 Figure 8 13 Remove the six screws and pull the ribbon cable from the PCBA board 3 Gently disconnect the ribbon cable of the L...

Страница 194: ...dures To remove stand To remove battery pack To remove handler To remove front and rear casing To dismantle system boards 2 Unscrew the four screw as located in the Figure 8 14 Figure 8 14 Remove four...

Страница 195: ...rder replacement parts from Agilent using the part number as listed in Table 8 1 To order replacement parts from Agilent do the following 1 Contact your nearest Agilent Sales Office or Service Center...

Страница 196: ...cifications Specifications 197 Characteristics 199 General Characteristics 204 Environmental Conditions 205 Pollution Degree 205 Measurement Category 206 Measurement Category Definitions 206 This chap...

Страница 197: ...m firmware calibration temperature Table 9 1 Warranted specifications SCOPE SPECIFICATIONS Vertical System Scope Channels Bandwidth 3 dB U1602A DC to 20 MHz U1604A DC to 40 MHz DC vertical gain accura...

Страница 198: ...rent or Burden Voltage 1 year Tcal 5 o C DC Voltage 600 0 mV 0 3 0 08 6 000 V 0 3 0 08 60 00 V 0 3 0 08 600 0 V 0 3 0 08 AC Voltage 600 0 mV 600 0 V 50 Hz 1 kHz 1 0 0 2 1 kHz 30 kHz 3 0 0 2 AC DC Volt...

Страница 199: ...channel 50 s div to 125 ns div U1604A 200 MSa s interleaved 100 MSa s each channel 50 s div to 250 ns div Equivalent sample rate U1604A 2 5 GSa s 125 ns div to 10 ns div Vertical resolution 8 bits Ma...

Страница 200: ...obe attenuation factors 1x 10x 100x Probe compensation output 3 Vp p 1 kHz Maximum probe input 1x CAT III 300 VAC 10x 100x CAT III 600 VAC Noise peak to peak 3 of full scale or 5 mV whichever is great...

Страница 201: ...to duration Video Video trigger sensitivity 0 7 division trigger level Available to both Channel 1 and Channel 2 Analog progressive and interlaced video standards including NTSC PAL and SECAM Positiv...

Страница 202: ...time fall time delay and phase shift Cursors Manuallyplacereadout of horizontal X DX andvertical Y DY Waveform math CH1 CH2 CH1 CH2 CH2 CH1 FFT 1 Window Rectangular Hamming Hanning Blackman Harris Amp...

Страница 203: ...rue RMS AC Voltage Maximum input voltage 600 Vrms CAT II 300 Vrms CAT III DC coupled input coupling Input resistance 10 MW Continuity Beeper 60 W in 600 W range Data Logger Source Digital multimeter m...

Страница 204: ...g 10 oC to 40 oC Dimension HxWxD 24 1 cm height x 13 8 cm width x 6 6 cm depth Weight 1 5 kg I O USB 2 0 Full Speed client standard and USB 2 0 Full Speed host optional Firmware upgrade through USB Wa...

Страница 205: ...e pollution occurs The pollution has no influence Example is a clean room or climate controlled office environment Pollution Degree 2 Normally only dry non conductive pollution occurs Occasionally a t...

Страница 206: ...nt CAT II are measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment Measurement C...

Страница 207: ...e used Maximum input voltage Input CH1 and CH2 direct 1 1 Probe 300 V CAT III Input CH1 and CH2 via 1 10 Probe 600 V CAT III Input CH1 and CH2 via 1 100 Probe 600 V CAT III Meter Input 300 V CAT III 6...

Страница 208: ...ntrast 40 contrast 84 Cross hair 85 current 134 Cursor 48 Cursor Measurement 94 Cycle mean 86 D data logger 144 Date 37 DC Channel Coupling 60 DC Voltage Verfication Test 168 Default factory settings...

Страница 209: ...ent parts 195 resistance 126 Resistance Verification Test 171 restart test 141 Restore Factory Setup 112 Rise time 86 RMS 86 Roll Mode 70 Rotary Switch 49 Run 48 S Save 48 save 106 Scope 47 Self Calib...

Страница 210: ...Agilent Technologies Inc 2006 2007 Printed in Malaysia Fourth Edition May 23 2007 U1602 90700 Agilent Technologies...

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