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Meilhaus Electronic RedHand Scope Скачать руководство пользователя страница 44

RedHandScope60MHz

Handheld DSO & DMM

6-Using the Multimeter

35

figure 30: AC Current Measurement for 20A

6.5 Freezing the Readings

You can freeze the displayed readings at any time.

1.

Press the

RUN /STOP

key to freeze the screen and

STOP

will be displayed at the top right

of the screen.

2.

Again, press the

RUN /STOP

key, you can resume your measurement.

Refer to figure 31

figure 31: Freezing the Readings

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Содержание RedHand Scope

Страница 1: ...1 Meilhaus Electronic GmbH RedHand Scope 60MHz Handheld Digital Storage Oscilloscope Multimeter User s Manual WWW MEILHAUS COM...

Страница 2: ...of charge repair or replacement of a defective product which is returned to a MEILHAUS ELECTRONIC authorized service center within the warranty period To obtain warranty service contact your nearest M...

Страница 3: ...3 SERVICES CENTER To locate an authorized services center visit us on the World Wide Web http www meilhaus com...

Страница 4: ...tion Terms that Appear throughout the Manual 2 2 1 2 Terms Used on the Product 2 2 1 3 Symbols Used on the Product 2 2 2 General Safety Information 3 3 PERFORMING THE GENERAL INSPECTION 5 3 1 Performi...

Страница 5: ...tion 10 5 6 Resetting the Oscilloscope 14 5 7 Input Connections 15 5 8 Displaying an Unknown Signal with Auto Set 15 5 9 Automatic Zero returning of Trigger Horizontal Position and Trigger Level Posit...

Страница 6: ...1 Measuring Resistance Values 26 6 4 2 Making a Diode Measurement 26 6 4 3 On off Test 27 6 4 4 Making a Capacitance Measurement 28 6 4 5 Making a DC Voltage Measurement 29 6 4 6 Making a AC Voltage M...

Страница 7: ...erted Waveform 7 3 Make the Math Function Menu Setting 7 4 Setting the Trigger System 7 5 Triggering Control 7 5 1 Edge Triggering 7 5 2 Video Triggering 7 6 Acquiring Mode Setting 7 7 Display Setting...

Страница 8: ...on 8 TROUBLE SHOOTING 57 9 APPENDIX FEHLER TEXTMARKE NICHT DEFINIERT 9 1 Appendix a Specifications 59 9 1 1 Oscilloscope 59 9 1 2 Meter 61 9 1 3 General Specifications 63 9 2 Appendix B Maintenance an...

Страница 9: ...boratory use part 1 General Requirements EN61326 1997 A1 1998 A2 2001 A3 2003 Electrical Equipment for Measurement Control and Laboratory use EMC Requirements part 1 General Requirements EN61000 3 2 2...

Страница 10: ...loscope Probes grey 4 a pair of Test Leads of Multimeter black and red 5 a Measuring Extension Module for Big Current 6 a Measuring Module for Small Capacitance 7 a Adjustment Tool of Oscilloscope Pro...

Страница 11: ...2 1 2 Terms Used on the Product The following terms appears possibly on the product Danger The term Danger is used in this manual to indicate that when you read this mark personal injury may be cause...

Страница 12: ...ulated voltage probes test leads and adapter supplied with the test tool or indicated by MEILHAUS ELECTRONIC as suitable for the Oscilloscope Multimeter Before use inspect voltage probes test leads an...

Страница 13: ...itted to perform maintenance Pay attention to the nominal values of all terminals To avoid fire or electric shock please keep a watchful eye on all nominal values and marks specified for this product...

Страница 14: ...described in the picture of Digital Oscilloscope Parts of this manual You can make a check and find whether there is any accessory loss with reference to the Appendix In case of any accessory loss or...

Страница 15: ...puts the upper one is for Channel 1 CHI1 while the lower one is for Channel 2 CH2 4 2 Description for Front Panel and Keys Description 1 Power adapter jack 2 Serial port Option 3 USB jack 4 Backlight...

Страница 16: ...ET Under the Multimeter Mode when performing the current or voltage measurement you can make a measurement switch between AC and DC with this key pressed when performing the resistance measurement you...

Страница 17: ...up in its last setup configuration 5 3 Oscilloscope Operation Window Refer to figure 4 figure 4 Oscilloscope Operation Window Description 1 Battery electric quantity indicating symbols including and 2...

Страница 18: ...l 11 The display shows the trigger signal source 12 The reading gives the value of primary time base 13 These graphics present the coupling modes of channel 2 CH2 The graphic indicates AC the graphic...

Страница 19: ...ol s Menus 5 5 Manually Setting the Vertical System Horizontal System and Trigger Position With the combination application of the four keys OSC LEFT OSC RIGHT OSC UP and OSC DOWN the users can make t...

Страница 20: ...t Scale of Channel 1 2 Press the key OSC or OSC to adjust the vertical scale of Channel 1 and press OSC or OSC to adjust the horizontal time scale 3 Press OSC OPTION once again the following display i...

Страница 21: ...o adjust the vertical scale of Channel 2 and press the OSC or OSC key to adjust the horizontal time scale 5 Press the OSC OPTION key one more time and the following display is visible at the bottom le...

Страница 22: ...ears at the bottom left side of the screen shown as the following figure Time CH2 Zero Refer to figure 9 figure 9 Zero Point Position of Channel 2 8 Press the OSC or OSC key to adjust the zero positio...

Страница 23: ...atum point through the adjustment of which you can regulate the display position of the waveform on the screen Primary time base It means the time values represented by a division in the horizontal di...

Страница 24: ...wo quadratic jack inputs for Multimeter capacitance measurements Isolated input allows independent floating measurements between Multimeters and Scopes 5 8 Displaying an Unknown Signal with Auto Set T...

Страница 25: ...asurement 2 These readings are selectable independently and the measurements can be done on the input CH1 or input CH2 waveform To choose a frequency for CHI1 do the following 1 Press MENU key and the...

Страница 26: ...ments 5 11 Freezing the Screen You can freeze the screen all readings and waveforms 1 Press the RUN STOP key to freeze the screen and STOP appears at top right side of the screen 2 Press the RUN STOP...

Страница 27: ...and shows the final averaging result on the screen shown as the following figures Refer to figure 14 figure 14 Average Factor Sampling Mode 5 13 Using Persistence to Display Waveforms You can use Pers...

Страница 28: ...ction to display events glitches or other asynchronous waveforms of 50 ns or wider 1 Press MENU key and the function menu appears at the right side of the screen 2 Press MENU or MENU key to select the...

Страница 29: ...of signals in each sampling interval and shows the waveform with the sampled data in this mode thus by which the oscilloscope may collect the possibly lost narrow pulse in the sampling mode but the no...

Страница 30: ...etting Four items selectable are visible at the bottom of the screen 3 Press the F1 key and jump to AC The bottom left side of the screen displays the ac coupling icon Refer to figure 17 figure 17 AC...

Страница 31: ...wing 1 Press the MENU key and the function menu is displayed at the right side of the screen 2 Press the MENU or MENU key to select the Waveform Calculation Five items selectable appears at the bottom...

Страница 32: ...edHandScope60MHz Handheld DSO DMM 5 Using the Scope 23 CHM Vol Press the OSC or OSC key to adjust the displayed amplitude of the calculated waveform M Refer to figure 19 figure 19 Waveform Mathematics...

Страница 33: ...ereafter The introduction gives basic examples to show how to use the menus and perform basic operations 6 2 Making Meter Connections Use the three 4 mm safety banana jack inputs for the Meter functio...

Страница 34: ...the relative magnitude measurement 7 The multiplying power of the dial indication To multiply the reading of dial pointer by multiplying power will get the measurement result 8 The mail reading of mea...

Страница 35: ...sistor The resistor value readings are shown on the screen in Ohm Refer to figure 21 figure 21 Resistance Measurement 6 4 2 Making a Diode Measurement To make a measurement on the diode do the followi...

Страница 36: ...ey and R appears on the top of the screen 2 Press the AUTO SET key till the following is shown on the screen 3 Insert the black lead into the COM banana jack input and the red lead into the V banana j...

Страница 37: ...AUTO SET key till C appears at the top of the screen 3 Insert the measured capacitance into the quadratic jack and the screen shows the capacitance reading Notice when measured value is less than 5 nF...

Страница 38: ...measure a DC voltage do the following 1 Press the V key and DCV appears at the top of the screen 2 Insert the black lead into the COM banana jack input and the red lead into the V banana jack input 3...

Страница 39: ...Press the V key and DCV appears at the top of the screen 2 Press the AUTO SET key and ACV appears at the top of the screen 3 Insert the black lead into the COM banana jack input and the red lead into...

Страница 40: ...the screen The unit on the main reading screen is mA mA and 20A will display on the right bottom of screen press F4 or F5 to switch the measurement between Ma and 20A 400mA is acquiescently 2 Insert...

Страница 41: ...of the screen The unit on the main reading screen is mA 2 Press F5 key change to 20A measurement the unit on the main reading screen is A 3 Plug current extended module in current measure jack then p...

Страница 42: ...reading screen is mA mA and 20A will display on the right bottom of screen press F4 or F5 to switch the measurement between mA and 20A 400mA is acquiescently 2 Press the AUTO SET key once and ACA is...

Страница 43: ...of the screen 2 Press F5 to select 20A measure the unit of main reading window is A 3 Press the AUTO SET key once and ACA is visible at the top of the screen 4 Plug current extended module in current...

Страница 44: ...20A 6 5 Freezing the Readings You can freeze the displayed readings at any time 1 Press the RUN STOP key to freeze the screen and STOP will be displayed at the top right of the screen 2 Again press th...

Страница 45: ...n The saved reference value is displayed below 5 Plug capacitance the displayed major reading on the screen is actual the capacitance value Refer to figure 32 figure 32 Relative Measurement 6 7 Select...

Страница 46: ...ltimeter 37 3 Press F3 key and AUTO is displayed on the top left side of the screen to switch back to the automatic range mode Refer to figure 33 figure 33 Automatic Manual Range Adjustment Attention...

Страница 47: ...own independent vertical menu and each item can be set respectively based on the specific channel To make vertical CH1 and CH2 settings do the following 1 Press the MENU key and the function menu appe...

Страница 48: ...ion factor to ensure a correct vertical scale reading Invert Close Open Waveform is displayed normally Open the Invert function of the waveform setting 7 2 1 Setting the Channel Coupling With CH1 take...

Страница 49: ...rrespondingly in the channel operation menu in order to comply with the probe attenuation scale If it is a 10 1 probe the scale of the input channel of the oscilloscope should be selected as 10X to av...

Страница 50: ...function table Setting Description CH1 CH2 CH1 waveform minus CH2 waveform CH2 CH1 CH1 waveform minus CH2 waveform CH1 CH2 Add CH1 waveform into CH2 waveform CH1 CH2 Multiply CH1 waveform and CH2 wave...

Страница 51: ...ering condition the oscilloscope is gathering data continuously After a trigger is detected the oscilloscope gathers enough data continuously to draw the waveform at the right side of the triggering p...

Страница 52: ...ectively 7 5 1 Edge Triggering The Edge triggering is a mode by which trigger occurs at the triggering threshold value of the input signal edge With the Edge triggering selected the trigger happens on...

Страница 53: ...s mode selected the DC component is prevented from passing though All dc components are allowed The HF part of the signal is prohibited and only the HF component is allowed The LF part of the signal i...

Страница 54: ...There are three kinds of trigger modes available for this oscilloscope including auto normal and single shot Automatic trigger mode The oscilloscope can acquire the waveform without any triggering co...

Страница 55: ...or 7 7 Display Setting The Display Setting menu is described in the following table Function menu Settings Description Type Vector Dot The vector is filled up spaces between neighboring sampling point...

Страница 56: ...nce function selected the displayed saved original data gradually decay in color and the new data are bright in color with infinite persistence mode selected the recorded points will be kept on the sc...

Страница 57: ...e control Trigger control 7 8 Waveform Saving Setups The oscilloscope can save 4 waveforms which can be displayed on the screen with the present waveform The recalled waveform saved in the memory cann...

Страница 58: ...A will be displayed on the screen in green color The display color is green and the zero point of waveform k voltage and time is purple Refer to figure 43 figure 43 Waveform Saving 7 9 Function Settin...

Страница 59: ...ycle CH1 CH2 Measure the cycle of CH1 Measure the cycle of CH1 Average value CH1 CH2 Measure the average value of CHI Measure the average value of CH2 Peak to Peak value CH1 CH2 Measure the peak to pe...

Страница 60: ...e time measurement cursor and menu Signal sources CH1 CH2 ATH address A and address B Select the waveform channel on which the cursor measurement will be performed To make a voltage measurement on CH1...

Страница 61: ...right of the screen 2 Press the MENU or MENU key to select Cursor measurement key Two key labels selectable are shown at the bottom of the screen 3 Press the F1 key to the measurement type Time Two v...

Страница 62: ...on about the present horizontal system vertical system trigger system and others The operation steps are shown as below 1 Press the MENU key and the function menu is displayed at the right of the scre...

Страница 63: ...splay the function menu on the right side of the screen 2 Press MENU or MENU key to select time base mode display three options at the bottom 3 Press F2 key to select window setting 4 Press OSC OPTION...

Страница 64: ...eration of data transmission please execute the following steps 1 Press MENU key display the function menu on the right side of the screen 2 Press MENU or MENU key to select display setting mode displ...

Страница 65: ...Hz Handheld DSO DMM 7 Advanced Function of Oscilloscope 56 5 Open the MEILHAUS ELECTRONIC software that had been installed completely 6 Setting the parameter under the use s manual and then starts dat...

Страница 66: ...ERR is still displayed restart the oscilloscope 4 The measured voltage amplitude value is 10 times larger or smaller than the actual one under the oscilloscope mode Check whether the channel attenuati...

Страница 67: ...ld DSO DMM 8 Trouble Shooting 58 7 When the average sampling in the sampling mode or a longer display time is selected in the display mode under the oscilloscope mode the display speed is slow It is n...

Страница 68: ...specified operating temperature If the operating temperature range of variation is up to or larger than 5 Celsius degrees the system function menu must be opened to make the system perform a self cali...

Страница 69: ...ut BNC Displacement range 50V 500mV 5V 2V 5mV 200mV Analog bandwidth 60M Single bandwidth Full bandwidth Low frequency response AD coupling 3dB 5Hz at the BNC Rise time typical one at the BNC 5 8ns DC...

Страница 70: ...e Signal system and line field frequency Video triggering mode Support the NTSC PAL and SECAM broadcasting systems of any field or line frequency Measurement Cursor measurement Voltage difference V an...

Страница 71: ...400Hz Display Virtual value of the sine wave Range Accuracy Resolution 4 000V 1mV 40 00V 10mV 400 0V 1 3 digits 100mV Direct Current DC Range Accuracy Resolution 40 00mA 1 1 digit 10uA 400 0mA 1 5 1...

Страница 72: ...You can a beep sound when the on resistance is less than 30 9 1 3 General Specifications Basic parameter Mechanical dimension 18 cm 11 5cm 4cm Weight 645 g Power consumption 7 W Display type 3 8 color...

Страница 73: ...e with operating conditions Clean the outer surface of the instrument according to the following steps 1 Wipe off the floating dust outside of the instrument and the probe by using soft cloth When cle...

Страница 74: ...trument connect the oscilloscope using a power adapter according to Figure 1 to charge the battery The charging speed can be increased by turning off the test tool Notice To avoid superheat of battery...

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