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HANDHELD DIGITAL OSCILLOSCOPE
手持式彩屏示波表
Model: EM1230
Users Manual
2 in 1 Handheld Color Screen Oscilloscope
Oscilloscope Function &
Digital Multimeter Function
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EM1230
Brief introduction...................................................................................................3
General Safety Requirement ..................................................................................4
Package Checklist ..................................................................................................5
The following items are included in this Instrument.........................................
Chapter I Recognizing this product.......................................................................6
1. Product Description....................................................................................6
1.1 Front Pane ............................................................................................6
Measurement port.................................................................................7
1.2
2. Panel keyboard and display inter
2.1 Panel function keys .............................................................................8
2.2 Display Interface.................................................................................9
3. The main measurement function and menu structure ..............................10
3.1 The main measurement function.......................................................10
3.2 Menu structure ......................
Chapter II Use instrument ...................................................................................19
1. Oscilloscope.............................................................................................19
1.1 Test connection ..................................................................................19
1.2 Oscilloscope measurement applications...........................................
2. DMM........................................................................................................24
2.1 Test the connection ............................................................................24
2.2 Multimeter..........................................................................................24
Chapter
Chapter
Chapter
Chapter
Interface and Software......................................................................26
Maintenance and repair ....................................................................28
Warranty...........................................................................................30
Technical Specifications...................................................................31
Handheld Digital Oscilloscope User
face.........................................................8
............................................................10
,
s Manual
.....5
..20
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,
Handheld Digital Oscilloscope
UserEM1230
s Manual
Brief introduction
EM1230 is a 25MHz digital storage oscilloscope,6000 words True RMS
Digital Multimeter functions integrated multifunctional handheld instrument, ideal for field use.
The main function
2-channel ,25MHz digital storage oscilloscope
True 6000 words RMS digital multimeter
Features
100MSa / s real-time sampling rate, 25MHz real-time bandwidth
Automatic tracking measurement: automatic tracking based on external input signal to
adjust the vertical amplitude \ horizontal time base and trigger stalls, without human
intervention
Large
Screen can display 4 measurement parameters the user can choose RMS, peak, average,
Two kinds of cursor measurement mode selection
320 * 240 dot TFT LCD,
Built-in battery, AC and DC
Recorder --- continuous track record up to 12 hours of event
Standard USB interface, through the PC software can easily communicate with a computer
dynamic measurement range: no extended probe leads directly measure range from
10mV/div to 500V/div
frequency, period, in 22 kinds of parameters as needed, etc.
for data analysis and test results archive
3
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EM1230
Handheld Digital Oscilloscope User
,
s Manual
General Safety Requirement
Carefully read the following safety information to avoid personal injury and the damages of this
product or any other connected products. To avoid all possible dangers, this product only should
be used in stated range.
Only an eligible technologist has the maintenance right
Avoiding fire or personal injury
proper power adapter.
Use the
Connect or disconnect correctly. Do not connect or disconnect probes and test leads at
will when they are connected to the power.
Notice all terminals’ ratings.
and signs of this product. And read carefully the users manual to get more information about the
ratings before connect to this product.
Do not operate the meter without its cover.
has been unloaded.
Avoid touching bare circuit. Do not touch the bare nodes or parts of the product with
power on.
Do not operate with dubious troubles. If you have dubious troubles on the product, let
an eligible technologist have a check.
Do not operate under a humid environment.
Do not operate under an explosive environment.
Keep the meter clean and dry
Safety terms and signs
This manual is possible to show following terms
Warni
cause personal injury.
Carefully.
cause the damages of this product or other properties
Use only the power supply or sanctified power adapter.
To avoid electrical shock or fire, notice carefully all ratings
Do not use the meter if its cover or panel
.
. The word Warning indicates that the condition or the operation maybe
ng
The word Carefully indicates that the condition or the operation maybe
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UserEM1230 Handheld Digital Oscilloscope ,s Manual
Package Checklist
The following items are included in this Instrument
No. Description Quantity Remark
1
2
3 AC/DC Power Adapter 1
4 Oscilloscope Probes 1
5 Multimeter Test Leads 2 (red, black)
7
Current Probe 1 Optional
8
Users Manual 1
Handheld Oscilloscope
Li Battery Pack
USB Cable
1
1 installed
1
6
5
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EM1230
Handheld Digital Oscilloscope User
,
s Manual
Chapter I.Recognizing this product
1 Product Description
1.1 Front Pane
The Product is a handheld portable products, AC and DC power supply, 3.7V lithium battery
inside the instrument; external AC-DC adapter with 220/5V can provide external power and
charge the lithium battery inside the instrument instrument
320×240 TFT
LCD screen
3
Handle
Panel and
function keys
F1 F2 F3 F4 F5
R/H
V V
CHA CHB
mV mV
Measurement
port
S nS
CHBTRIGCHA
EM1230
AUTO
MENU
3
Side port
AC-DC adapter
ack and USB
Power
6
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UserEM1230 Handheld Digital Oscilloscope ,s Manual
1.2 Measurement port
3
CHBTRIGCHA
3
CHA
oscilloscope can also be used as a dual-channel oscilloscope in the oscilloscope mode.
CHB External signal input test port, CHA and CHB either as single-channel
COM Oscilloscope and multimeter measurements common ground port
TRIG:
1 Oscilloscope mode Used in SCOPE mode to trigger (or start) acquisitions from an external
source
Multimeter mode DC voltage \ AC voltage \ Resistance \ Continuity \ Diode \ capacitance \
2
current measurement input ports
Note:
1
Note that each port safety limit, do not exceed the maximum test range
2
The multimeter testing current mode, you must use the current probe
Note that proper
3
(Incorrect Grounding) (Correct Grounding)
grounding
A ground loop can be created when you use two ground leads connected to different ground
potentials. This can cause excessive current through the grounding leads
7
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EM1230
Handheld Digital Oscilloscope User
2 Panel keyboard and display interface
2.1 Panel function keys
key Description
F1F1F2 F3 F4 F5
R/H
AUTO
V
CHA
mV
S nS
MENU
Function keys The function assigned to each key is indicated by the
Function Key Label displayed above the key on the bottom display
In most of the menu to return to the previous menu
Run \ hold, lock screen
Sets automatic ranging on and o ff (toggle).
When on, the top right display shows AUTO. When this function is set
on, it searches for the best range and time base settings and o nce found it
tracks the s ignal. When this function is off, you should manually control
ranging.
V
In oscilloscope mode, use the key to adjust the CHA \ CHB
CHB
channel vertical amplitude sensitivity
mV
Oscilloscope mode Press the key, making the timebase adjustment
effectively
Menu softkey
Move up and down a waveform \ trigger level \ voltage cursor
Manually change the sensitivity level of the base, multimeter voltage \
resistance \ capacitors \ Curr ent gear change;
Can also be used as a return to the previo us menu key
Moves a waveform or Time cursor right and left;
Ranges amplitude up and dow or Change the tri gger edge;
Move around and select the curr ent coefficient bits
,
s Manual
Menu selection
Turns the power on and off (toggle). Wh en you turn the power on,
previous settings are activated.
8
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UserEM1230 Handheld Digital Oscilloscope ,s Manual
2.2 Display Interface
2.2.1 Oscilloscope
Trigger Mode Time Zero
External power Run \ Hold Communication status
Battery indicator
Parameter display
Waveform display
Trigger level
CHA zero level
CHB zero level
Vertical / horizontal range Frequency Counter
Menu Module
Indicate trigger slope
(rising or falling).
2.2.2 DMM
State display area
Data display area
The current gear,
measuring state
Measurement it
ems
9
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EM1230
Handheld Digital Oscilloscope User
,
s Manual
3 The main measurement function and menu structure
3.1 The main measurement function
The instrument has the oscilloscope, multimeter measurement function, wherein, the
oscilloscope and multimeter are two independent measuring function.
3.2 Menu structure
The menu has two major main menu module, divided into two screen display Press key
switch, each screen 5 menu module
Pow
er On
The main menu 1
MENU
The main menu 2
3.2.1 Oscilloscope menu operation
The vertical range
1 Move up and down channel A \ B waveform and adjust the vertical range
The main menu
F1
or Effective corresponding channel A, or channel B.
or Move up and down waveforms.
V
CHA
mV
F1
F2
V
CHB
or Adjust the vertical range
mV
F2
MENU
10