Tenma 72-10510 Скачать руководство пользователя | Manualshive

Страница: 28 / 57

background image

Model

72

‐

7610/72

‐

10510

User

Manual

26

Blackman

The

best

amplitude

resolution

and

the

worst

frequency

resolution.

Mainly

used

for

single

frequency

signal

seeking

for

higher

sub

harmonic.

Load

a

reference

waveform

Any

of

the

pre

‐

saved

waveform

can

be

loaded

by

pressing

the

REF

button

on

72

‐

7610.

For

72

‐

10510,

pressing

the

STORAGE

button

starting

load

the

pre

‐

saved

waveform.

Please

see

the

item,

“Set

the

Storage

and

Load

system”

for

how

to

save

a

waveform.

After

pressing

the

REF

button,

users

should

be

able

to

select

two

of

the

Ref

A

F1

and

Ref

B

F2

on

the

function

menu

to

load

the

pre

‐

saved

waveform.

Assume

that

you

select

Ref

A,

you

will

be

able

to

see

the

load

function

menu

as

below.

Table

2

‐

5

Load

Function

Menu

Function

Menu

Settings

Description

Source

(@)

1

～

20

Destination

(Position

of

the

internal

memory)

where

the

waveform

will

be

loaded

There

are

20

sets

of

internal

memory

available

to

storage

waveform

navigated

by

the

multipurpose

knob.

Disk

(F2)

DSO

Select

to

load

a

pre

‐

saved

waveform

from

the

internal

memory

of

the

oscilloscope

USB

Select

to

load

a

pre

‐

saved

waveform

from

the

external

USB

device

(selection

can

only

be

available

after

inserting

USB)

OFF

(F3)

——

Turn

off

reference

waveform

Load

(F4)

——

Press

to

load

a

pre

‐

saved

waveform

Explanation

of

nouns

FFT

resolution:

defined

as

the

quotient

of

sampling

and

operation

point.

When

the

number

of

operation

point

is

fixed,

the

lower

the

sampling

rate

is,

the

better

the

FFT

resolution

will

be.

Nyquist

frequency:

for

waveform

with

f

maximum

frequency,

at

least

2f

sampling

rate

is

required

to

reconstruct

original

waveform.

It

is

also

called

Nyquist

rule,

where

f

refers

to

Nyquist

frequency,

while

2f

refers

to

Nyquist

sampling

rate.

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Содержание 72-10510

Страница 1: ...Digital Storage Oscilloscope Model 72 7610 72 10510 ...

Страница 2: ...ntal System 10 8 Introduction to the Trigger System 11 Ⅴ Specifications 12 A Technical Specifications 12 B General Technical Specifications 17 Ⅵ Operations 18 1 Set the Vertical System 19 2 Set the Horizontal System 28 3 Set the Trigger System 30 4 Set the Acquire System 37 5 Set the Display System 39 6 Set the Storage and Load System 41 7 Set the Utility System 46 8 Set the Measurement Parameters...

Страница 3: ...ing the input or output terminals of the products make sure the products are grounded correctly Correctly connect the oscilloscope probes The probe earth cord and the ground are of the same potential Please do not connect the cord with high voltage source Check the rated values of all terminals To avoid fire and electrical shock please check all rated values and remarks on products before connecti...

Страница 4: ...10 031 standards When the switch is in 1 position it belongs to 150V CAT II When the switch is in 10 position it belongs to 300V CAT II One power cord One user manual One oscilloscope communication control software CD One USB Cable Optional accessories LAN port module Please order all the accessories standard and optional accessories from the local distributors Ⅲ Product Overview These digital sto...

Страница 5: ...ay 320 240 or 400 240 resolution Supports plug and play USB storage equipment for computer communication Automatic waveform and state settings Waveform saving and replay feature Delicate window extension function and precise analysis on waveform details and overview Automatic measurement of 28 waveform parameters Automatic cursor tracking measurement function Unique functions of waveform recording...

Страница 6: ...interface is one of the most important tasks to know the operations The oscilloscope user interface consists of Vertical control Horizontal control Trigger control LCD display area Function buttons F1 F2 F3 F4 F5 User menu area Input terminal CH1 CH2 EXT TRIG Multi purpose knob USB interface Please get familiar with the user interfaces shown in Figure 1 1 and Figure 1 2 Figure 1 1 72 7610 Panel Di...

Страница 7: ...ce Menu Display taking 72 10510 as an example 2 General Inspections It is recommended to inspect the oscilloscope according to the following steps 1 Inspect whether there are damages caused by transportation In case of badly damages to packing box or foamed plastic mat you should replace immediately 2 Accessories inspection ...

Страница 8: ...uct a fast functional inspection to verify whether the oscilloscope runs normally Please take the following steps Power on the oscilloscope Users can power on the oscilloscope with voltage supply of AC 100V AC 240V and frequency of 45Hz 440Hz After powering on in order to activate the best working status press UTILITY menu after waiting 30 minutes then press F1 for self calibration On the next men...

Страница 9: ... signals Probe attenuation coefficients are set in the following ways press F4 to make the menu display 10 Figure 1 6 Setting of Attenuation Coefficient on the oscilloscope 3 Connect the probe pin and ground clamp to the corresponding terminal of the probe compensation signal Press AUTO key Within several seconds square wave display 1kHz about 3V peak to peak value is as shown in Figure 1 7 Check ...

Страница 10: ...on the probe at 10 and connect the oscilloscope probe with CH1 Connect the probe end to the signal output connector of the probe compensator and connect the ground clamp to the ground lead connector of probe compensator Turn on CH1 and press AUTO 2 Observe displayed waveform Figure 1 8a Probe Compensation and Correction If the screen displays under compensation or over compensation for waveform as...

Страница 11: ...ic setting the frequency of the measured signal is required to be 50Hz and the duty ratio is 1 Apply automatic setting 1 Connect measured signal to signal input channel 2 Press AUTO key The oscilloscope will automatically set its vertical deflection factor scanning time base and trigger mode If further careful observation is required adjustment can be conducted again after automatic setting until ...

Страница 12: ...knob on the vertical system Please notice that the V div will be changed to indicate the corresponding vertical scale level 4 Users can enable disable the input channel by pressing the CH1 and CH2 button on the vertical system For 72 10510 Attention To disable the input channel for 72 7610 please press OFF button on the vertical system More vertical system setting will be explained in Operations s...

Страница 13: ... Note the horizontal time base range of 72 7610 72 10510 varies between 2ns div and 50s div Details are listed in technical specifications 2 Use horizontal POSITION knob to adjust the signal horizontal position in the waveform window Horizontal POSITION knob controls the signal trigger shift When applied to trigger shift the waveform horizontal movement can be observed along with POSITION knob tur...

Страница 14: ...ions to satisfy those specification standards The oscilloscope must continuously run for over half an hour in the operating temperature environment A Technical Specifications Sampling System Specifications Sampling rate Real time Equivalent Sampling rate 72 7610 1GS s 50GS s 72 10510 25MS s Average N can be chosen among 2 4 8 16 32 64 128 and 256 N is the number of average samples Note The real ti...

Страница 15: ...time interval T full bandwidth Single time 1 sampling interval 50ppm reading 0 6ns 16 average values sampling interval 50ppm reading 0 4ns Vertical System Specifications Analog to digital converter A D 8 bit resolution sampling at two channels at the same time Deflection coefficient V div range at input BNC 72 7610 2mV div 5V div 72 10510 1mV div 20V div Vertical range 10div 72 7610 is 5div Select...

Страница 16: ...V 72 10510 When vertical position is 0 and N 16 5 reading 0 1div 1mV and selects 1mV div or 2mV div 4 reading 0 1div 1mV and selects 5mV div 3 reading 0 1div 1mV and selects 10mV div or 20mV div When vertical position is 0 and N 16 3 reading vertical position reading 1 vertical position reading 0 2div The setting from 5mV div to 200mV div plus 2mV the setting value from 200mV div to 20V div plus 5...

Страница 17: ...T 5 6 setting value 200mV Pre trigger capacity Normal mode scan mode pre trigger delay trigger the pre trigger depth adjustable Hold off range 72 7610 100ns 1 5s 72 10510 80ns 1 5s Set the level to 50 Typical Operate under the condition of input signal frequency of 50Hz Edge Trigger Edge type Rise fall rise and fall Pulse Width Trigger Trigger mode and positive pulse width and and negative pulse w...

Страница 18: ...ime Fall Time Width Width Duty Duty Delay Math operation Store waveform and setting 20 groups of waveforms and 20 kinds of settings FFT Window Hanning Hamming Blackman Rectangle Sampling size 1024 points Lissajous figure Phase difference 3 degrees Trigger frequency meter 72 10510 only Reading resolution 6 bits Trigger sensitivity 30Vrms Accuracy typical 51ppm 1 character B General Technical Specif...

Страница 19: ...onsumption Less than 30 VA Fuse F1 6AL 250V Fuse is inside the instrument housing Environment Specifications Temperature Range Operating Temperature Range 0Ԩ 40Ԩ Storage Temperature Range 20Ԩ 60 Cooling Build in cooling fan Operating Humidity Range 35Ԩ 90 RH 35Ԩ 40Ԩ 60 RH Operating Altitude Below 3 000m Mechanical Specifications 72 7610 72 10510 Size W 320mm 306mm H 150mm 147mm D 130mm 122mm Weigh...

Страница 20: ...U TRIG MENU 50 and FORCE 4 Set the Acquire System ACQUIRE 5 Set the Display System DISPLAY 6 Set the Storage and Load System STORAGE 7 Set the Utility System UTILITY 8 Set the Measurement Parameters MEASURE 9 Set the Cursor Measurement CURSOR 10 System Message Examples and Troubleshooting It is suggested to read this section carefully to understand multiple measuring functions and system operation...

Страница 21: ...her subdivided for fine adjustments to improve vertical resolution Fine adjustment Probe 1 10 100 1000 Please set the probe compensation system ratio to match the attenuation coefficient of the probe to be used Invert On Activate waveform invert function A waveform will be displayed reversely Off A waveform is displayed normally Setting coupling channel You will learn from the below example to cha...

Страница 22: ...o connect to the internal ground of the instrument both DC and AC components of the input signal are blocked The waveform display is shown in the figure below Note although no waveform is displayed on the screen in this mode input signal is still connected with channel circuit Figure 2 3 Simultaneous Blocking of Signal DC and AC Components Setting channel bandwidth Limit You will learn through the...

Страница 23: ... the bandwidth limit as ON the noises or high frequency component over 20MHz in measured signal shall be attenuated The waveform is displayed as below Figure 2 5 Waveform Display When Bandwidth Limit is ON Setting probe rate In order to cooperate with probe attenuation coefficient setting it is required to set the probe attenuation coefficient on channel function menu If the probe attenuation coef...

Страница 24: ...ey Coarse adjustment V div can be adjusted by multiplying 1 2 and 5 e g 10mV div 20mV div 50mV div etc Fine adjustments refer to changing deflection factor with smaller stepping within the current vertical scale Figure 2 7 Coarse and Fine Adjustments of Vertical Deflection Factors Settings of waveform inverting Waveform inverting can be set by pressing F5 function button The measured input signal ...

Страница 25: ...l Inverted Setting Invert ON Mathematical operation function The oscilloscope supports mathematical operation function for the input signals The figure below shows the match result for CH1 CH2 as an example Figure 2 10 Mathematical Operations After pressing the MATH button at the menu area to active mathematic operations ...

Страница 26: ...uency domain signal It is convenient to observe the following signals by FFT operations Harmonic content and distortion in measurement system Noise characteristics in DC power supply display Vibration analysis Table 2 3 FFT Menu Description Function Menu Settings Description Type FFT FFT mathematical operations Signal source F2 CH1 CH2 Set to select CH1 or CH2 as waveform to be transform Window F3...

Страница 27: ...dow function the value at forced starting and ending positions is 0 See the table below for window function application Table 2 4 FFT Window Function FFT Window Features The most suitable measurement content Rectangle The best frequency resolution and the worst amplitude resolution It is basically similar to the condition without window Signal levels before and after transient state and short puls...

Страница 28: ...escription Source 1 20 Destination Position of the internal memory where the waveform will be loaded There are 20 sets of internal memory available to storage waveform navigated by the multipurpose knob Disk F2 DSO Select to load a pre saved waveform from the internal memory of the oscilloscope USB Select to load a pre saved waveform from the external USB device selection can only be available aft...

Страница 29: ...ention Loading the pre saved waveform into Ref B follows the same procedure as above If waveform is stored to the USB device 200 available memory locations can be selected Please see Set the Storage and Load System for how to save a waveform to USB device 2 Set the Horizontal System The horizontal control knob can be used to change the horizontal scale time base and trigger horizontal position tri...

Страница 30: ...izontal scale knob Horizontal menu button users can press to enter the horizontal menu function See table below Table 2 6 HORI MENU MENU Function Menu Settings Description Main time base F1 Press to turn on the main time base Window extension F3 Press to turn on the extension time base Trigger hold off To adjust the trigger hold off time by multi purpose knob Window extension time base function is...

Страница 31: ...the interval between two trigger events 100ns by default Trigger hold off time can be adjusted by using the multi purpose knob at the horizontal function menu During trigger hold off the oscilloscope will not be triggered for any new event until the hold off time is over For example if a train of pulse shall be triggered from the first pulse upon request then the hold off time can be set as the pu...

Страница 32: ...e oscilloscope supports edge pulse width video trigger and alternating trigger Edge Trigger Edge trigger mode refers to triggering of trigger threshold on the input signal edge Pulse Width Trigger trigger produces when the pulse width of the trigger signal satisfies some set trigger or condition Video Trigger conduct field or line trigger for standard video signal Users can activate the video trig...

Страница 33: ...ing edge Falling Set trigger on the signal falling edge Rise fall Set trigger on the signal both rising and falling edge Mode F4 Automation Set to automatic trigger The oscilloscope will continuously perform data acquisition without triggering signal Normal Set to normal trigger The oscilloscope will only perform data acquisition when there is triggering signal Single Set to single trigger The osc...

Страница 34: ...annel as triggering signal source EXT 5 Set external trigger source divided by 5 as trigger level range Only for 72 7610 AC Line Set AC power line as trigger source Alter Set to alternating trigger between CH1 and CH2 as signal source Pulse width conditions F3 Trigger when pulse width is greater than the setting values Trigger when pulse width is less than the setting values Trigger when pulse wid...

Страница 35: ...ring signal Trigger coupling F4 AC Block the DC component of triggering signal DC Pass through DC and AC components of triggering signal High frequency rejection Reject high frequency component of the triggering signal over 80kHz signals Low frequency rejection Reject low frequency component of the triggering signal below 80kHz signals Previous page 2 2 Go to previous page Video Trigger The oscill...

Страница 36: ...tion F4 All lines Set trigger synchronization to video line Designated line Set trigger to synchronize in designated video line number Adjust video line number by using the multipurpose knob in the upper part of front panel Figure 2 14 is an example for the display when PAL video trigger model is selected as standard and synchronization mode is all line synchronization Figure 2 14 Video Trigger Li...

Страница 37: ...ith different frequencies See the figure below for the display of triggered alternating waveform and Table 2 11 for triggered alternating menu setting Figure 2 16 Observing Signals with Two Different Frequencies by Alternating Trigger Mode Table 2 10 Alternating Trigger Mode Setting Functional menu Settings Description Type Edge Edge trigger mode is set Trigger source Alternating CH1 and CH2 alter...

Страница 38: ... input channel External trigger signal connects to EXT TRIG input terminal is used for EXT and EXT 5 trigger source selection When selecting EXT as trigger source external trigger levels voltage range limited to 3V and 3V Whereas if EXT 5 is selected as trigger source external trigger level voltage range can be expanded to 15V 15V EXT 5 is only available for 72 7610 AC line trigger Use AC line pow...

Страница 39: ... display Table 2 11 Acquire Menu Function Menu Settings Description Acquisition Mode F1 Sampling Set to sampling acquisition mode Peak value Set to peak value acquisition mode Average Set to average acquisition mode Averages 2 256 In average sampling mode set average number by using the multipurpose knob Averages can be set as 2 4 8 16 32 64 128 256 Sampling F3 Real time Set to Real time sampling ...

Страница 40: ...ed includes relative large noise Figure 2 19 shows the same signal with in average mode with 64 averages please observe that the waveform display is becoming much smoother Figure 2 18 Waveform display in sampling mode Figure 2 19 Waveform display in average mode with 64 averages Notes 1 Please select real time sampling mode when observing single signal 2 Please select equivalent sampling mode when...

Страница 41: ...gure 2 20 Function Keys of Display System After pressing DISPLAY button the function menu will change to the display setting for the oscilloscope Table 2 12 Display Menus Function Menu Settings Description Explanation of nouns Real time sampling mode Data sampling with the system real time rate is used to observe the waveform within the rate Equivalent sampling mode Data sampling with the rate hig...

Страница 42: ...very 1s 2s Display the acquired signal every 2s 5s Display the acquired signal every 5s Infinite Accumulate to display all the acquired Waveform Brightness 1 100 Set waveform brightness by multi purpose knob from 1 to 100 X Y Mode Users can enter the X Y mode by pressing Display button and select F2 In this mode CH1 and CH2 are required to be applied simultaneously The figure below shows an exampl...

Страница 43: ...e following menu Table 2 13 Waveform Storage Menu Function Menu Settings Description Type F1 Waveform Select to store an acquired waveform Source F 2 CH 1 Select waveforms from CH1 channel to be saved CH 2 Select waveforms from CH2 channel to be saved Dest 1 20 Destination Position of the internal memory where the waveform will be saved There are 20 sets of internal memory available to store wavef...

Страница 44: ...e the system message USB device install successfully shown on the screen Press the Storage button and you will see the following menu Table 2 14 Waveform Storage Menu Page 1 Function Menu Settings Description Type F1 Waveform Select to store an acquired waveform Source F2 CH1 Select waveforms from CH1 channel to be saved CH2 Select waveforms from CH2 channel to be saved Dest 1 20 Destination Posit...

Страница 45: ...estination please notice that there will be 200 Press F4 to store the waveform Remove the USB disk Attention Any waveform storage will overwrite previous memory space in the same memory location If Long length data is selected the data cannot be re loaded back to display and can only be re load through software application To load a waveform from the USB disk please refer to Load a Reference Wavef...

Страница 46: ...us memory space in the same memory location Table 2 15 Setting Storage Menu Page 2 Function Menu Settings Description Type F1 Setup Select to store a setting Setup 1 20 Destination Position of the internal memory where the Setup will be saved There are 20 sets of internal memory available to store Setup navigated by the multipurpose knob Save F3 Press to store setup into selected storage memory de...

Страница 47: ...a setting Bit Map Select to store a bitmap file into the USB disk only Source F2 CH1 Select waveforms from CH1 channel to be saved CH2 Select waveforms from CH2 channel to be saved Dest 1 20 Destination Position of the internal memory where the waveform will be saved There are 20 sets of internal memory available to storage waveform navigated by the multipurpose knob Save Store waveform Next 1 2 F...

Страница 48: ...et the Utility System By pressing the UTILITY function button in the menu area users can do different utility settings where the button location is shown in the figure below Figure 2 23 Function Key of Sampling System Function There are three function menu pages for the utility system setting shown in Table 2 17 18 19 below Table 2 17 Utility Menu Page 1 Function Menu Settings Description Self Adj...

Страница 49: ...ge the skin for the function menu Grid Bright 1 100 Adjust the grid brightness by using the multi purpose knob Next 2 3 Get to the next page Table 2 19 Utility Menu Page 3 Function Menu Settings Description Version F1 Press to view the system version LAN F2 Press to enter the LAN address setting Notice that LAN is an option for 72 7610 Frequency Counter F4 ON To turn ON frequency counter OFF To tu...

Страница 50: ... to load Return F5 Press to return to Utility function menu After pressing the F2 button on the waveform recorder menu you should see the waveform recorder operation menu below Table 2 21 Waveform Recorder Operation Menu One of the very useful functions for the oscilloscope is the pass fail detection You can create a template of pixels area to compare with the input signal Users can also Function ...

Страница 51: ...on signal source CH2 Select CH2 as the detection signal source MATH Select MATH result as the detection signal source Ref A Select Ref A as the detection signal source Ref B Select Ref B as the detection signal source Output F3 Pass Select the logical result as input signal within the template of pixels area Fail Select the logical result as input signal outside of the template of pixels area Pass...

Страница 52: ...press F1 to confirm creating the pixel template after setting the horizontal and vertical length of the pixels 8 Set the Measurement Parameters The oscilloscope supports up to 28 automatic waveform measurement parameters You can view 5 measurement parameters at the same time the most on F1 F5 function menu To view measurement parameters please press MEASURE on the control panel Figure 2 24 Functio...

Страница 53: ...e to GND Ground Over shoot The ratio of Vmax Vtop to voltage amplitude Vamp Pre shoot The ratio of Vmin Vbase to voltage amplitude Vamp Average The average signal amplitude within 1 cycle Vrms Root mean square value effective value Time Parameters Rise Time The time of waveform amplitude rising from 10 to 90 Fall Time The time of waveform amplitude falling from 90 to 10 Width The width of positive...

Страница 54: ...ating the multi purpose knob in the same way as moving the Va cursor At the Time cursor measurement users can perform referring to Volt cursor measurement by using the multi purpose knob and SELECT button on 72 7610 The Track cursor measurement is similar to the time cursor measurement except it will automatically track voltage level where the time cursor is pointing at the screen Not for 72 10510...

Страница 55: ...e device under test Try to acquire signal again The voltage amplitude measured is 10 times higher or lower than the actual value Check if the attenuation coefficient of the channel matches with the attenuation rate of the probe used The signal waveform is not stable Check if the trigger source setting in the trigger menu matches with the actual channel input of the signal Check the trigger mode Mo...

Страница 56: ...aning A General Maintenance Please do not store or place the instrument at any places where the LCD of the instrument is exposed to sunlight directly Warning Please do not stain the oscilloscope or probe with spray liquid or solvent to avoid instrument or probe damage B Cleaning Check the instrument and probe frequently Clean the surface of the instrument according to the following steps 1 Please ...

Страница 57: ...Model 72 7610 72 10510 User Manual 55 Tenma Test Equipment 405 S Pioneer Blvd Springboro Oh ...

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