Jinhan JHJDS30 series Manual Download Page 13

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6.6 Multimeter to measure dc voltage

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The seventh chapter

System prompts and troubleshooting

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7.1 Message system

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7.2 Fault handling

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The eighth chapter

Service and support

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8.1 Summary of the warranty

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Appendix A technical specification

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Appendix B daily maintenance and cleaning

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Summary of Contents for JHJDS30 series

Page 1: ...ion during use Copyright Information Hefei Jin Han Electronic Technology Co Ltd All rights reserved Jin Han electronic products by China or other countries patent protection including been made or pending patent applications The Company reserves have to change product specifications and prices right Jin Han All rights reserved Licensed software products are all made of Jin Han protected by nationa...

Page 2: ...d for the performance of services to make the appropriate arrangements Customer shall be responsible for packaging and shipping the defective product to the service center designated Jin Han while prepaid freight and provide a copy of proof of purchase of the original purchaser For Hong Kong Macao and Taiwan compatriots and overseas customers if the product is returned to the service center custom...

Page 3: ...r the repair or replacement of defective products is the sole and exclusive remedy available to customers No matter whether Jin Han and dealers are pre advised of the possibility of any indirect special incidental or consequential damages Jin Han and distributors of these damage are not responsible General safety requirements The following safety precautions to avoid injury and prevent this produc...

Page 4: ... information about ratings Do not open the machine casing operations If the cover or panel has been removed do not operate this product Avoid exposed circuitry Do not touch exposed connections and components of the boot If you suspect a faulty product do not operate If you suspect that the product has failed Please professional service personnel Maintain adequate ventilation Do not operate in wet ...

Page 5: ...high high high pressure pressure pressure pressure Protective Protective Protective Protective earthing earthing earthing earthing Note Note Note Note please please please please refer refer refer refer to to to to the the the the manual manual manual manual Measuring Measuring Measuring Measuring ground ground ground ground terminal terminal terminal terminal WARNING Warning statements indicate m...

Page 6: ...compensation Function is introduced and the operation The oscilloscope signal generator multimeter recorder the center of the serial port function and operation is introduced in detail Application example Provide some measuring examples reference for readers System prompts and troubleshooting Service and support Book contains the following four hand held digital storage oscilloscopes specific mode...

Page 7: ...der serial port center 30Mhz 250MSa s 16Kpts 2 JHJDS30 series handheld digital storage oscilloscope to users with simple and clear front panel function for basic operation Each letter or symbol of the labeled buttons are marked with appropriate functions the user can more intuitive conforms to the use of traditional instruments used the user does not have to spend a lot of time to learn and famili...

Page 8: ...erator and digital channel is integration the user can according to need to bring up the usual signal waveform and can be accessed by users digital channel analysis data greatly satisfy the user requirements JHJDS30 series digital oscillographic table provides unique waveform display interface and a variety of measurement functions Can be widely used in engineering survey out testing automotive el...

Page 9: ...ly detect support 50Hz 60MHz A variety of waveform mathematical functions together Support Chinese and English menu display Cursor support time voltage measurement Automatic normal single trigger mode Support automatic shutdown function and power saving mode the time can be set up The cursor function Screenshot of waveform can be retained and through the USB into the computer Bring support to faci...

Page 10: ...he directions for use The directions for use A copy of the certificate of approval A copy of the certificate of approval One JHJDS3022E has two 1 1 10 1 probe One JHJDS3022A has two 1 1 10 1 probe A clipped A clipped Two lithium batteries A pair of pens and multimeter A lithium battery charger Two lithium batteries A lithium battery charger ...

Page 11: ...t 6 1 4 Functional check 7 1 5 The probe compensation 7 1 6 Preliminary using oscilloscope display signal automatically 9 The second chapter Oscilloscope operation 10 2 1 End connections 11 2 2 Automatic measurement 11 2 3 Display system 11 2 4 The vertical system 13 2 5 The level of system 18 2 6 The trigger system 19 2 7 The storage system 21 2 8 Auxiliary function 23 ...

Page 12: ...ction is introduced and the operation 4 1 Multimeter interface is introduced 30 4 2 Multimeter instructions 32 The fifth chapter Recorder and center using the serial port 35 5 1 The use of the recorder 35 5 2 A serial port center operations 37 The sixth Chapter Application example 40 6 1 Simple signal measurement 40 6 2 The cursor measurement 41 6 3 To capture a single signal 42 6 4 A serial port ...

Page 13: ...venth chapter System prompts and troubleshooting 47 7 1 Message system 47 7 2 Fault handling 47 The eighth chapter Service and support 49 8 1 Summary of the warranty 49 Appendix A technical specification 49 Appendix B daily maintenance and cleaning 54 ...

Page 14: ...The front panel and the user interface Holding a storage oscilloscope connected input Functional check The probe compensation 1 1 General inspection When you get a new JHJDS30 series with oscilloscope it is strongly recommended that you follow the steps below to check the oscilloscope Check whether there is damage caused by transportation If it is found that serious breakage or foam cushion packag...

Page 15: ...ansport please pay attention to keep the packaging Notify the transportation department and in charge of the business of selling or dealers We will arrange for you repair or replacement 1 2 The front panel and the user interface When you get an oscilloscope you need to be familiar with its front panel This chapter will detail oscillographic table layout and how to use the front panel keys Please r...

Page 16: ...TH Display the MATH menu 4 MENU The menu button 13 MEAS Display the measurement menu 5 Adjust the trigger level 14 Adjust the vertical voltage notch 6 Set the time base and horizontal displacement waveform 15 Adjust the horizontal position 7 The cursor keys 16 CH1 Display the CH1 menu 8 CH2 According to channel 2 menu 17 AUTO Automatically set 9 OK Identify key 18 RUN Run stop ...

Page 17: ...17 Figure 1 1 ...

Page 18: ...18 Figure Figure Figure Figure 1 2 1 2 1 2 1 2 screens screens screens screens ...

Page 19: ...nt waveform in memory location 4 Show the level of time 5 Displays the wait time trigger signal 6 According to signal amplitude 7 Display frequency signal cycle 8 According to duty ratio 9 Display trigger position 10 According to channel 1 11 According to channel 1 voltage notch 12 According to the relative horizontal displacement 13 waveform 14 The grid ...

Page 20: ...ital channel input 4 The signal generator output 5 stents 6 Is clipped 7 Multimeter to test the pen 8 Multimeter input pin four round pins are respectively 10 a current current mA stall grounding voltage Note figure 1 3 for single channel oscilloscope connected input dual channel oscilloscope connected input is from left figure 1 3 ...

Page 21: ...tery long press on the oscilloscope panel PRW button Until when they hear the buzzer rang it let go 2 Set the switch on the oscilloscope probe to 10 x and will probe and oscilloscope channel 1 The connection Aim the probe on the connector slot CH1 coaxial cable splice pieces of the convex Press key can be connected and then spin to the right to tighten the probe 3 Place the probe of the probe and ...

Page 22: ...nt of the probe is 10 x CH1 F3 key order Select 10 x Press the AUTO button and wait for a moment this screen will display frequency 1 KHZ peak value to 3 v square wave signal Open 5 Close the CH1 and CH2 repeat steps 2 and 3 Figure 1 4 probe set ...

Page 23: ... probe will lead to a measurement error or mistakes If the adjustment probe compensation please click the following steps 1 the channel attenuation is set to 10 x will probe options menu to probe on the switch is set to 10 x and the oscilloscope probe connected to channel 1 Such as using the probe hook head should ensure that contact with the probe and reliable 2 the probe end connected to the sig...

Page 24: ...of signal automatically set According to the input signal can automatically adjust parameters such as voltage time base and trigger mode so as to achieve the best state of signals Automatically set to work the requirements of the measured signal frequency is greater than or equal to 50 Hz This part mainly discusses the preliminary use the oscilloscope s customer to do a demonstration of automatic ...

Page 25: ...de the default is selected oscilloscope selected after about 3 s or so Automatically entered into the oscilloscope operating interface 3 will probe from the oscilloscope channel 1 CH1 and probe to 10 x gear pull it After grounding clip to receive the signal 4 press the CH1 then press F3 will probe set to 10 x 5 will probe needle comes into contact with the need to test signal source press the AUTO...

Page 26: ...rom the menu bar This chapter will detail the oscilloscope each function Settings The content of this chapter is as follows End connections Delta automatic measurement Delta display system Delta vertical system Delta level system Delta trigger system Delta storage system Delta secondary system Delta cursor measurement Delta mathematical functions ...

Page 27: ...input connection CH2 Digital channel input connection OUT The output of the signal generator end connections Figure 2 1 connection Note the figure 2 1 for single channel oscilloscope connector diagram double channel holographic CH1 and CH2 for signal input port CH3 for digital channel input port 2 2 Automatic measurement ...

Page 28: ...lly set the button If multiple channel signal has the lowest frequency signal channel as a trigger source Found no signal it will access a signal channel 1 press the AUTO button 2 3 Display system Table 2 1 menu display system function Function menu Set Instructions Display type Vector Showed by means of connection between the sampling points Display mode Y T According to relative to the time scal...

Page 29: ... button find language setting press F2 setting language can be set up both Chinese and English display interface 3 The color Settings press MENU button find the color Settings press F3 button to set the color can be set up two display color and black and white 4 Mode press MENU button find the mode setting press F1 setting mode can be set Y T or x y mode display 5 Long press MENU button can choose...

Page 30: ...enu When press the CH1 and CH2 bond the operating menu will be displayed at the bottom of the screen To change the CH1 and CH2 vertical Settings follow these steps 1 Press the CH1 and CH2 bond function menu will be displayed at the bottom of the screen 2 Press the F1 F5 to choose various states Now you can see the below menu CH1 menu CH2 menu Figure 2 3 channel 1 2 menu item ...

Page 31: ...rtical deflection coefficient correctly There are three 1X 10X 100X 10X 100X coupling ac Stop the dc component input signal dc By the input signal of ac and dc component Reverse phase open Open the inverse function close Close the inverse function 1 Set the channel coupling In applying to the CH1 channel signal for example measured signal is a square wave signal containing ac component CH1 for exa...

Page 32: ...allowed through Waveform display as shown in figure 2 5 Figure 2 4 coupled dc Figure 2 5 coupled ac 2 Probe the proportion set In order to coordinate the attenuation coefficient of the probe needs to adjust the corresponding probe in the channel operation menu attenuation ratio If attenuation coefficient for X10 probe oscilloscope probe proportion of input channels should be set to 10 x to ensure ...

Page 33: ...hoose appropriate Settings the Settings will be saved to you to change the Settings again As shown in figure 2 6 Press CH1 F3 set the probe for 10 x 3 Waveform reverse set Press the CH1 F5 will reverse phase can be set to on see waveform inverse as shown in figure 2 7 Figure 2 6 set probe 10 x Figure 2 7 waveform inverse 4 Waveform display Settings By setting allows any channel of waveform display...

Page 34: ...regulating the vertical v cell v range is 100 mv div 50 v div probe 10 x stepping in 1 2 5 ways or 10 mv div 5 v div 1 x probe 1 v div 500 v div 100 x probe Take the case of CH1 channel Such as setting the vertical direction of 2 00 V div To probe is set to 1 x gear as an example Press to adjust the vertical v case at the same time can press to move up down the entire waveform As shown in figure 2...

Page 35: ...vel move up or down As shown in figure 2 11 Figure 2 9 set 2 v vertical Figure 2 10 sets 1 v vertical Figure 2 11 move the waveform 2 5 The level of system System Settings level scale and level trigger point position horizontal center of the screen calibration is waveform time benchmark reference Change the horizontal scale can lead to ...

Page 36: ...nged position relative to the level of trigger point Time base TIME DIV Use the buttons below to change the base size says horizontal on each of the big length of time Press the button to change the level of scale in order to enlarge or reduce waveform If you want to stop the waveform acquisition then press RUN button can be realized As shown in figure 2 12 2 13 Figure 2 12 2 12 2 12 2 12 Figure 2...

Page 37: ...o collect data and display waveform Once the trigger is set correctly he can convert unstable display into meaningful waveform control menu key Trigger control Trigger mode the oscilloscope triggering method for edge trigger Edge triggered when a trigger signal to the edge of a given electricity at ordinary times trigger Edge trigger mode is on the edge of the input signal trigger threshold When e...

Page 38: ...ger triggered automatic Set up under the condition of no detected trigger can also collect waveform normal Set up only when the trigger condition collecting waveform single Set when detected a trigger to collect a waveform then stop Instructions Set the source 1 press TRIG display trigger menu according to the signal input press F1 choose CH1 or CH2 Set the trigger level 2 press the CH1 button the...

Page 39: ...annel 1 position and the current vertical per division on behalf of the voltage value to set the trigger level size Set up the slope 3 press F3 button to choose the slope for the up or down Set the trigger mode 4 press F4 choose automatic normal or single As shown in figure 2 15 2 16 Figure 2 15 normal trigger Figure 2 16 single trigger ...

Page 40: ...t find a screen shot interface press MENU F4 Screen shot is set to off Reference waveform storage press the MATH find reference waveform Settings F1 Settings stored reference waveform Ref A then press OK button which shows SAVING reference waveform is saved See the reference waveform according to the MATH F1 F3 open the Ref A reference waveform as shown in figure 2 17 Figure 2 17 check the referen...

Page 41: ... etc Low check capture images Turn off the oscilloscope first and then connect the oscilloscope and computer with USB data cable is good and at the same time press the OK button and PRW button on the screen to the bright can let go At this point the computers will be prompted to have U disk inserted open the U disk can see pictures of interception After the operation please click on the computer t...

Page 42: ... menu Directions voice Set the voice on or off Automatic shutdown Can be set up ten minutes 30 minutes after shutdown or Never Never to turn it off Save electricity Can be set up for 20 seconds 40 seconds 60 seconds and enter power saving mode after the 300 seconds or Never mode Factory pattern to restore Restore the factory Settings Settings press MENU find auxiliary function MENU page Press F2 s...

Page 43: ...e recovery of oscillograph MEAS Press the MEAS screen will display the current measurement menu 2 9 The cursor measurement In this mode the cursor X or Y way come in pairs and can be manually adjust the spacing of the cursor Reading is the measurement of voltage or time value Manual cursor measurement follow these steps When using the cursor needs first to set the source into all you have to measu...

Page 44: ...cursor position as shown in figure 2 18 2 19 Figure 2 18 cursor voltage Figure 2 19 cursor measurement time 2 10 Mathematical function Mathematical function is to display the function of the CH1 and CH2 channel wave forms as addition subtraction ...

Page 45: ...tion on or off Operation CH1 CH2 CH1 CH2 CH2 CH1 Channel 1 waveform 2 waveform Channel 1 waveform 2 waveform Channel 2 waveform 1 waveform Press the MATH button then press F2 set the display on press F3 choosing operation mode Note only the dual channel oscilloscope JHJDS3022A JHJDS3022E have this function ...

Page 46: ...perate Content summary The user interface signal generator is introduced Signal generator operating instructions Custom waveform signal generator Table 3 1 generator parameters waveform frequency amplitude The offset Duty ratio Sine wave 1HZ 20MHZ 100mV 4V 2V Square wave 1HZ 5MHZ 100mV 4V 2V 0 100 Triangle wave 1HZ 1MHZ 100mV 4V 2V Oblique wave 1HZ 1MHZ 100mV 4V 2V Custom waveform 1HZ 1MHZ 100mV 4...

Page 47: ...rding to amplitude 2 frequency 8 According to duty ratio 3 amplitude 9 According to the offset 4 offset 10 According to the waveform 5 Duty ratio 11 x y coordinates 6 According to the frequency Figure 3 1 signal generator interface 3 2 Signal generator operating instructions ...

Page 48: ...n needs of signal waveform each time you press the F1 can switch a waveform and displayed on the screen choose one of waveform press OK to confirm Set frequency press F2 button and then through the button to adjust the frequency size after set press OK to confirm Set range press F3 button and then through the button to adjust the amplitude size after set press OK to confirm Set offset press F4 key...

Page 49: ... triangular wave are shown in figure 3 2 below Figure 3 2 triangle wave 3 3 Custom waveform signal generator Text custom waveform parameters such as table 3 2 Table 3 2 custom waveform parameters format Text parameter format Directions Waveform version information 14020 28007 00001 This three data representation of waveform version information each must have before custom waveform ...

Page 50: ...y Coefficient of frequency division 1 Formula 125000 0 xa3d 65536 2 25 frequency 1 Coefficient of frequency division 2 Formula frequency points 1 coefficient of frequency division 1 65536 2 25000 250000 points Formula u32 u32 250000 0 xa3d 65536 2 25000 frequency frequency division coefficient of 1 1 data Points out according to the points to fill in the corresponding values A custom waveform inst...

Page 51: ...cilloscope waveform can be displayed from the definition The fourth chapter Multimeter function is introduced and the operation Gradually in this chapter introduces the oscilloscopes multimeter functions provides a basic operation on menu and use examples Multimeter use 4 mm safety rubber socket input 10 a mA COM V Ω input terminals Content summary Multimeter interface is introduced Multimeter ins...

Page 52: ...00 0mV 6 000V 60 00V 600 0V 1000V Ac voltage 600 0mV 6 000V 60 00V 600 0V 750V Dc current 60 00mA 600 0mA 6 000A 10 00A Ac current 60 00mA 600 0mA 6 000A 10 00A resistance 600 0 Ω 6 000Ω 60 00kΩ 600 0kΩ 6 000MΩ 60 00MΩ capacitance 40 00 nF 400 0nF 4 000uF 40 00uF 400 0uF 4000uF diode 0V 2 0V On and off Below 30 Ω 600 0 Ω gear detection voice ...

Page 53: ...s on off capacity to switch button F5 Selected file shortcut resistance resistance and diode switch button RUN Multimeter run maintained HOLD button Press set to manual range can be set up by this button AUTO Press set to automatic Dc and Ac voltage measurement Take black pens and the instrument com terminal red pens and pick up the instrument Ω V terminals Long oscillographic table PRW button to ...

Page 54: ...ments Press F2 or F3 will block adjustment to the required range The black pens and receiving apparatus com terminal red pens and pick up in mA the largest terminal input current of 600 mA The measurement of pens and string into the circuit under test to read values Note if the current signal under test before the unmeasured is unknown please press F2 to gear to the dc or communication A file 3 On...

Page 55: ...Take black pens and the instrument com terminal red pens and pick up the instrument Ω V terminals 2 Press F5 button to select resistance 3 On both ends of the resistance under test to measure the pens and connection the display value can be read also can be set manually if necessary Range 6 Diode test 1 Take black pens and the instruments of com terminal red pens and pick up the instrument Ω V ter...

Page 56: ...ied out in accordance with the following steps Long press MENU button then press F1 into the interface and then press the MENU button find the voice operation MENU press F2 will be set to on sound 7 Data remain functional Press the RUN button on the instrument is showing the data will remain on the screen screen displays the word HOLD among even if the input signal to change or eliminate value wil...

Page 57: ...ord the waveform a serial port center can be real time monitoring data from the serial port through digital channels and display on the screen This chapter the main content is as follows The use of the recorder Delta serial center operations 5 1 The use of the recorder First enter the recorder interface hold down the PRW button enter the boot interface press F4 key to enter the recorder interface ...

Page 58: ...signal and then contact to enter record state press F3 in F1 button to stop recording After recording the waveform record can press F5 playback waveform As shown in figure5 2 Note the recorder to record waveform frequency range of 20 Hz waveform records need to access the oscilloscope interface manually adjust the time base for 100 ms above waveform display ...

Page 59: ...59 5 1 The recorder interface 5 2 Record the playback ...

Page 60: ...ng to the F1 button to enter the oscilloscope operating interface and then press CH2 F3 will gear is set to 1 x this step is very important To probe the gears is set to 1 x Into the heart of the serial interface long press MENU F3 Menu interface is as follows A serial port center menu page page1 2 A serial port center menu page page2 2 ...

Page 61: ...nds of baud rate TTL RS232 TTL Set the communication level mode Into system 10 16 Set the data type Turn to next page menu Data bits 8 9 Set the data transmission digits Check digit NO ODD EVEN Set the parity bit Stop bit 1 0 5 2 1 5 Set the stop bit File SAVE NOSAVE Set to save or not save the file Turn to the previous page menu A simple test Here simple test data from the computer serial port th...

Page 62: ...enter of the serial port Settings by F1 F5 to select a menu item and then by pressing the or selected set parameters finally press the OK key 3 Open the computer serial port and set to cycle to send here to send a set to 1000 ms press F1 key to open the serial port serial center At this point from the display window can observe the hexadecimal computer serial port to send data 11 22 As shown in fi...

Page 63: ...63 Figure 5 3 master serial port Figure 5 4 center of serial interface ...

Page 64: ... the oscilloscope or if the oscilloscope in other functional interface press MENU F1 3 Will probe received corresponding clamp circuit CH1 probe were connected to the circuit 4 Press the AUTO button Digital storage oscilloscope is automatically set to waveform shows best Based on this you can further adjust the vertical and horizontal gear of waveform until the waveform display meet your requireme...

Page 65: ...shown in figure 6 1 6 2 The cursor measurement The digital storage oscilloscope can be automatically measured a variety of waveform parameters All of the automatic measurement parameters can be measured by the cursor Use the cursor can be quickly on the waveform on time and voltage measurements Measuring the square wave signal peak voltage Figure 6 1 square wave CH1 channels for example to measure...

Page 66: ...on relative to the middle of zero voltage reference is horizontal and delta the cursor 2 light the differential pressure after 1 4 By button to adjust the position of the cursor 2 buttons to adjust the position of the cursor 1 And the position of their change and incremental will update the display the cursor display window in real time As shown in figure 6 2 6 3 6 3 To capture a single signal Fig...

Page 67: ...set 1 Click CH1 press F3 button set the coupling to the dc 2 press TRIG button display the edge triggered menu Settings 3 under this menu press F1 set edge type for the slope press F2 button to set the source to the CH1 press F3 button to set the trigger mode for the single 4 according to the RUN button the left upper corner of the screen shows Ready waiting for the signal to conform to the trigge...

Page 68: ... negative delay trigger is advantageous for the observation of high level before and after the waveform As shown in figure 6 4 Figure 6 4 To capture a single signal Figure Figure Figure Figure 6 5 6 5 6 5 6 5 Serial Serial Serial Serial print print print print uclinux uclinux uclinux uclinux system system system system startup startup startup startup information information information information...

Page 69: ...t uclinux startup information As shown in figure 6 5 6 5 Generate sine wave signal This handheld digital storage oscilloscope with function signal generator the signal generator can produce sine wave square wave triangle wave oblique wave four kinds of wave shape Here signal generator to generate sine signal 3 v 1 KHZ flash is as follows Long press PRW button then press F2 into the signal generato...

Page 70: ...ter press OK button the set to 3 v Press F4 button and then by pressing the button to adjust the signal offset adjust good after press OK button in this setting is 0 00 After all set finally shows the waveform is shown in figure 6 6 shown in figure 6 7 Figure 6 6 generate sine wave Figure 6 7 sine wave ...

Page 71: ... in figure 6 8 The seventh Chapter System prompts and troubleshooting Figure 6 8 DC voltage 7 1 Message system SAVEING When stored waveform or screenshot the system will have the prompt show and in the middle of the screen has a progress bar CLOSING After startup when long press PRW when the battery is too low or when to oscilloscope set off time system will have the hint and in the middle of the ...

Page 72: ...ge on both ends normal is not lower than 3 0 V 3 check finished restart the instrument 4 if still can t normal use this product please contact us 2 after the acquisition signal the picture does not appear in the signal waveform please follow the steps below 1 check whether the probe is normal on the signal cables 2 check signal cable is normal on the BNC 3 check whether the probe is connected to t...

Page 73: ... set is consistent with the actual signal input by the channel 5 press the RUN button without any display Check whether the trigger menu trigger mode is in a normal or single and the trigger level is beyond waveform range If so will trigger level center or set the trigger mode to AUTO 6 waveform display ladder shaped This phenomenon is normal May level when the gear is too low increase the level o...

Page 74: ...al applicability The company for indirect special or shall not be liable for the resulting damage Appendix A technical specifications Unless otherwise specified all technical specifications are used to set the attenuation switch as 10 x of the probe and the series oscilloscope To verify the oscilloscope is in line with the technical specifications the oscilloscope must meet the following condition...

Page 75: ...F 5pF Maximum input voltage 40 v X1 probe 400 v probe X10 measurable voltage 220 v probe X100 1000 v voltage can be obtained Probe attenuation 1X 10X Probe attenuation coefficient setting 1X 10X 100X Signal acquisition system Sampling methods Real time sampling and random sampling ...

Page 76: ...ical sensitivity 1 x 10 mv 5 v probe 100 50 mv v probe 10 x 1 v to 500 v 100 x probe 1 2 5 5 step Vertical accuracy 3 Vertical resolution 8bit bandwidth 30MHz Level of system Real time sampling rate 250 MSa s Horizontal scanning range 10 ns 50 ms 1 2 5 step 5 100 5 s ms Scan Scan Trigger system ...

Page 77: ... CH2 CH1 CH2 CH2 CH1 Measurement system The cursor measurement The cursor support time and voltage Measuring way Automatic manual Measurement Amplitude frequency duty cycle cycle Equipment Screen 4 3 inch 16 bit true color TFT 400 272 Battery Section 3000 mA lithium batteries single battery for 4 hours Size 220 128 37 mm Signal generator ...

Page 78: ...Z triangular wave oblique wave 0 hz 1 MHZ Duty ratio 0 100 Amplitude 100mV 4V Offset 0V 2V Recorder Time base 100ms 5s length To be determined A serial port center Baud rate 115200 1200 Data bits 8 9 Check digit NO Stop bit 1 0 5 2 1 5 Into the system 10 16 ...

Page 79: ... 0V 750V Dc current 60 00mA 600 0mA 6 000A 10 00A Ac current 60 00mA 600 0mA 6 000A 10 00A Resistance 600 0Ω 6 000kΩ 60 00kΩ 600 0kΩ 6 000MΩ 60 00MΩ Capacitance 40 00 nF 400 0nF 4 000uF 40 00uF 400 0uF 4000uF Diode 0V 2 0V On and off Below 30 Ω 600 0 Ω gear detection voice Maximum resolution 6000 點 ...

Page 80: ...nt or probe in order to avoid damage to the instrument and probe Please use the battery to charge batteries in time Clean According to the operation often examine instruments and probes Please click the following steps to the outer surface of the cleaning equipment 1 Use soft cloth to wipe the instrument and probe the outside of the dust Clean LCD screen be careful not to scratch the transparent p...

Page 81: ...re wiping Can use downy cleaner or clean water scrub Do not use any corrosive chemical reagent in order to avoid damage to the instrument and probe Warning before replace the battery please make sure the instrument is completely dry to avoid electrical short circuit damage caused by moisture instrument ...

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