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Pôle Test et Mesure de CHAUVIN-ARNOUX
F - 74943 ANNECY-LE-VIEUX Cedex
Tel. +33 (0)4.50.64.22.22 - Fax +33 (0)4.50.64.22.00
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Parc des Glaisins - B. P. 330
6, avenue du Pré de Challes
X02414A00 - Ed. 1 - 01/03
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Related Manuals for Metrix MTX 3352
Summary of Contents for Metrix MTX 3352
- Page 1 3252 3252 3252 Monochrome - 3252 3252-C Colour 3252-C 3352 3352 3352 Monochrome - 3352 3352-C Colour 3352-C Pôle Test et Mesure de CHAUVIN-ARNOUX Parc des Glaisins - B. P. 330 6, avenue du Pré de Challes F - 74943 ANNECY-LE-VIEUX Cedex Tel.
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Page 2: Table Of Contents
Contents Contents General instructions Chapter I Introduction..............page 4 Precautions and safety measures ..........4 Symbols used .................5 Guarantee................5 Maintenance and metrological checking ........5 Unpacking - Repacking............5 Maintenance................5 Description of instrument Chapter II Presentation ..............page 6 General view ................6 Front panel (illustration) ............7 Measurement terminal block (illustration).......7 Rear view (illustration).............8 Front panel (description)............9... - Page 3 Contents Contents Technical Specifications Chapter VI Vertical deflection............page 63 Horizontal deflection (time base) ..........64 Trigger circuit ................65 Acquisition chain ..............65 Display...................66 Miscellaneous ...............66 Communication interfaces ............67 Remote programming ............67 General characteristics Chapter VII Environment ..............page 68 Mains power supply ..............68 EMC..................68 Mechanical characteristics Chapter VII...
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Page 4: General Instructions Chapter I
General instructions General instructions Introduction You have just acquired a two-channel digital oscilloscope. It also features a « harmonic analyser » mode and a « recorder » mode (pending). Congratulations for your choice and thank you for your trust in the quality of our products. -
Page 5: Symbols Used
General instructions Symbols Caution: Danger risk. Refer to the operating instructions. used Earth This equipment is guaranteed for 3 years against any material defect or Guarantee manufacturing faults, in conformity with the general conditions of sale. During this period, the equipment may only be repaired by the manufacturer. -
Page 6: Description Of Instrument Chapter
3252 • a harmonic analyser mode for breaking down two signals mtx 3352 simultaneously while representing their fundamental and their first 31 harmonics • a recorder mode (pending) intended for the capture of single or slow... -
Page 7: Front Panel (Illustration)
Description of instrument Description of instrument (cont’d) Front panel (illustration) Measurement terminal block CH1 signal input EXTernal trigger input CH2 signal input Calibration output Two-channel digital oscilloscope II - 7... -
Page 8: Rear View (Illustration)
Description of instrument Description of instrument (cont’d) Rear panel SUBD 25-pin SUBD 9-pin Mains female connector for male connector for connector RS232/CENTRONICS serial mouse interfaces II - 8 Two-channel digital oscilloscope... -
Page 9: Front Panel (Description)
Description of instrument Description of instrument (cont’d) The main features of the equipment can be obtained from the front panel. Front panel They can also be modified directly by the mouse or using the menu toolbar. description) 1 startup / standby activates: button •... -
Page 10: Keys
Description of instrument - Keys Description of instrument (cont’d) Keys Pressing this key will configure the instrument in the following modes: « oscilloscope», « harmonic analyser » or « recorder » (pending). 4 «UTILITY» keys used for access to the LCD contrast adjustment using the thumbwheel. The LED combined with the thumbwheel comes on à... - Page 11 Description of instrument – Keys Description of instrument (cont’d) 2 «ACQUISITION» keys by successive pressing, select one of the following acquisition modes: à Single Single mode à Trig’d Trigger mode Automatic mode à Auto « SINGLE » mode: A single acquisition is triggered by pressing the RUN key. HOLD is authorized. For any further acquisition, the triggering circuit must be reset by pressing the RUN HOLD key.
- Page 12 Description of instrument - Keys Description of instrument (cont’d) 3 « MEASUREMENT » keys activates or deactivates the display of the window for the 18 automatic measurements of the reference trace. Combined pressing with the CHx key displays the measurements on the corresponding channel.
- Page 13 Description of instrument – Keys Description of instrument (cont’d) Definition : Validated channel = Display enable (trace displayed after RUN) Displayed channel = Validated channel and trace on screen Selected channel = Parameter settings enabled for this channel via the keys: 5 «VERTICAL»...
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Page 14: Oscilloscope Mode Chapter
Oscilloscope Mode - Display Oscilloscope Mode Display Display Contrast 73.0% Composition The oscilloscope display is divided into 4 functional zones. Direct access to current adjustment 4. Menu bar 3. Display zone 1. Status zone Display and adjustment of current value III - 14 Two-channel digital oscilloscope... - Page 15 Oscilloscope Mode - Display Oscilloscope Mode (cont’d) 1. Status zone Three types of general information appear in this zone: • The bargraph represents the screen position, that of the trigger and the cursors in the acquisition memory. • Permanent instrument settings. •...
- Page 16 Oscilloscope Mode - Display Oscilloscope Mode (cont’d) 2. Control zone The parameters displayed in this zone are: • The parameters of each channel and trace: display, sensitivity, coupling, bandwidth limit, vertical scale, function, zoom. • The time base value and the loading of the signal representation domain (FFT) •...
- Page 17 Oscilloscope Mode - Display Oscilloscope Mode (cont’d) The « Source » and « Trigger mode » menus are grouped together and can be opened using the right mouse button by placing the pointer over the time base zone. RUN/STOP is used for starting and stopping acquisition from this menu. The acquisition status is indicated in the screen status.
- Page 18 Oscilloscope Mode - Display Oscilloscope Mode (cont’d) Display elements > ϕ ϕ ∨ ∨ Definition of Items Elements display Trace displayed Indication of displayed trace reference level vertical position Trace affichée Indication of time-related position of trigger Graticule division Automatic measurement cursor position indicator Manual measurement cursor position indicator Phase measurement cursor position indicator Trigger level position indicator...
- Page 19 Oscilloscope Mode - Display Oscilloscope Mode (cont’d) Menu accessible When the mouse pointer is placed in the from display zone display zone, the right key gives direct access to a display menu. The « Full Screen » and « Zoom out » options are directly accessible (see the Display menu).
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Page 20: Vert" Vertical Menu
Oscilloscope Mode - The « Vertical » menu Oscilloscope Mode (cont’d) The « Vert » Menu (∗) (∗) (∗) (∗) ch1-ch2 (∗) Only available in advanced mode See §. Description, page 44. III - 20 Two-channel digital oscilloscope... - Page 21 Oscilloscope Mode - The « Vertical » menu Oscilloscope Mode (cont’d) Definition Display opens the « Trace display » menu for validating or devalidating the traces. Validation of selections by « OK ». Exit from menu without modification by « Cancel ». The «...
- Page 22 Oscilloscope Mode - The « Vertical » menu Oscilloscope Mode (cont’d) Measure unit modifies the vertical scale unit of the selected channel. The modification is carried out by the mouse using the table of characters that can be used after selecting the measure unit zone. The ß...
- Page 23 Oscilloscope Mode - The « Vertical » menu Oscilloscope Mode (cont’d) Save backs up the definition of the function by the “File Copy “ menu. Extension «.FCT». Recall calls up the definition of a function recorded as a file «.FCT». ß...
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Page 24: Trig" Trigger Menu
Oscilloscope Mode - The « Trigger » Menu Oscilloscope Mode (cont’d) The « TRIG » Menu Definition Parameters used for selecting the « trigger parameters »: Source used for selecting one of the 4 sources as trigger signal. Synchronization by channel CH 1 CH 1 Synchronization by channel CH 2 CH 2... - Page 25 Oscilloscope Mode - The « Trigger » Menu Oscilloscope Mode (cont’d) Edge/polarity used for selecting trigger edge: ascending trigger edge descending trigger edge The selected trigger edge is entered into the status zone. Trigger level used for modifying with mouse by adjusting trigger level on the scroll bar (Trigger).
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Page 26: Horiz" Horizontal Menu
Oscilloscope Mode - The « Horizontal » Menu Oscilloscope Mode (cont’d) The « Horiz » Menu (∗) (∗) Only available in advanced mode. See §. Description, page 44. Definition min/max Acquisition allows the signal to be sampled at high frequency (50 MS/s), even for slow time base speeds. - Page 27 Oscilloscope Mode - The « Horizontal » Menu Oscilloscope Mode (cont’d) The calculation is made using the following formula: Pixel = Sample *1/Average rate + Pixel (1-1/Average rate) with: SampleValue of new sample acquired at abscissa t Pixel N Ordinate of pixel of abscissa t on screen, at moment N Pixel N-1 Ordinate of pixel of abscissa t on screen, at moment N-1 The «...
- Page 28 Oscilloscope Mode - The « Horizontal » Menu Oscilloscope Mode (cont’d) Square signal on ch2 of 10 kHz and 5 FFT with Hanning window and FFT with a rectangular window and a logarithmic scale linear scale ∗ ∗ FFT units Horizontal unit: indicated instead of time base;...
- Page 29 Oscilloscope Mode - The « Horizontal » Menu Oscilloscope Mode (cont’d) The sub-menus are used for selecting a type of window. Rectangular Hamming Hanning Blackman Before calculating the FFT, the oscilloscope weights the signal to be analyzed by a window acting as a bandwidth filter. The choice of window type is essential to distinguish between the various beams of the signal and to make accurate measurements.
- Page 30 Oscilloscope Mode - The « Horizontal » Menu Oscilloscope Mode (cont’d) The final duration of the design interval results in a convolution in the signal frequency domain with a function sinex/x. This convolution modifies the graphic representation of the FFT because of the side lobes characteristic of the sinex/x function (unless the interval of design contains an integer of periods).
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Page 31: Menus
Oscilloscope Mode – The « Display » Menu Oscilloscope Mode (cont’d) The « DISPLAY » Menu (∗) (∗) Only available in advanced mode. See §. Description, page 44. Definition Graticule Used for displaying grid or not. Display modes There are two available display modes: Vector A vector is traced at the centre of the sample. - Page 32 Oscilloscope Mode - The « Display » Menu Mode Oscilloscope (cont’d) Full screen causes changeover from the normal display mode to the “full screen” display mode and vice versa. The display is organized so as to leave the biggest surface area possible for trace plotting: only the permanent settings and the automatic or manual measurements remain •...
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Page 33: Measure" Measurement Menu
Oscilloscope Mode - The « Measurement » menu Oscilloscope Mode (cont’d) The « Measure » Menu (∗) (∗) Only available in advanced mode. See §. Description, page 44. Definition Reference used for selecting one of the active traces on which you want to make Trace 1 automatic or manual measurements. - Page 34 Oscilloscope Mode - The « Measurement » Menu Oscilloscope Mode (cont’d) • It is possible to select two permanent measurements. • The « » symbol indicates the measurement(s) that will be entered into the status zone. • Activating automatic measurements reveals two cursors (+) on the curve at the beginning and end of the period, if at least one period is visible on the screen.
- Page 35 Oscilloscope Mode - The « Measurement » menu Oscilloscope Mode (cont'd) • Measurement The measurements are made on the displayed part of the trace. conditions • Any change to the signal will lead to an updating of the measurements. They are refreshed in step with acquisition. •...
- Page 36 Oscilloscope Mode - The « Measurement » Menu Oscilloscope Mode (cont'd) Phase measurement used for making trace phase measurements with respect to a reference trace (See §. Reference Measurement). This menu selects the trace on which phase measurements are to be made. Trace1 Phase Trace2 Phase To deactivate phase measurements, de-select it using the same menu for...
- Page 37 Oscilloscope Mode - The « Measurement » menu Oscilloscope Mode (cont'd) Unattached cursors used for linking or not linking the manual measurement cursors (1 and 2) to the reference trace. When the "Unattached cursors" menu is selected, cursors 1 and 2 can be moved freely over the screen.
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Page 38: Memory" Menu
Oscilloscope Mode - The « Memory » Menu Oscilloscope Mode (cont'd) The « MEMORY » Menu trace Definition Trace1 à à Ref. 1 used for storing the selected trace in its volatile reference memory Trace2 à à Ref. 2 E.g.: Trace 1 in Ref. 1). Trace3 à... - Page 39 Oscilloscope Mode - The « Memory » Menu Oscilloscope Mode (cont'd) Trace This menu is used for saving (to the non-volatile memory) or recalling the trace of a reference memory. Saving can be in two formats: « .TRC » or «...
- Page 40 Oscilloscope Mode - The « Memory » Menu Oscilloscope Mode (cont'd) when selected, opens a « File Copy » menu. Recall.TRC In the pull-down Source menu is the .TRC file list recorded using the « Trace à Recall.TRC » menu. The file name selected for recalling appears in gray.
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Page 41: Util" Utilities Menu
Oscilloscope Mode - The « Utilities » Menu Oscilloscope Mode (cont'd) The « UTIL » Menu SINUS.TRC 01/12/02 8.49 CONFIG.CFG 01/12/02 8.55 FONC.FCT 01/12/02 9.00 01/Dec./02 01/Dec./03 Two-channel digital oscilloscope III - 41... - Page 42 Oscilloscope Mode - The « Utilities » Menu Oscilloscope Mode (cont'd) Definition File when selected, open the « File manager » menu. It contains all the files • recorded since the beginning of equipment use • created since the last startup. These files will definitely been saved when switching off (see key shown opposite).
- Page 43 Oscilloscope Mode - The « Utilities » Menu Oscilloscope Mode (cont'd) Hardcopy when selected, opens the « Hardcopy » menu. This menu is used for selecting the print format or the printer type, as well as the communication port that will be used for making hardcopies. The printer type or selected format will appear in gray.
- Page 44 Oscilloscope Mode - The « Utilities » Menu Oscilloscope Mode (cont'd) Standby used for setting the equipment to standby after a defined period of use so as to limit the consumption of the unit. In this case, the equipment configuration is saved before cutoff. 4 options are possible: 30 min, 1 h,...
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Page 45: Help Menu
Oscilloscope Mode - The « Help » Menu Oscilloscope Mode (cont'd) The « ? » Menu MTX3352-C, V1.01/A01 Definition Help when selected, opens the « Help » menu. This menu is used for activating on-line help using the equipment keys, in the same way as the key shown opposite. -
Page 46: Display
« » Harmonics Mode - Display « Harmonics » Mode Display Harmonic analysis displays the fundamental and the 31 harmonics Presentation In this mode, the time base is adaptative, and is not manually adjustable. This analysis is reserved for signals whose fundamental frequency is included between 40 Hz and 5 kHz. - Page 47 « » Harmonics Mode - Display « Harmonics » Mode (cont’d) Composition Harmonic mode display is divided into 4 functional zones: 4. Menu base Direct access to current adjustments 1. Display zone Selection of fundamental or harmonic Display of 3. Status zone information about Trace selected...
- Page 48 « » Harmonics Mode - Display « Harmonics » Mode (cont’d) 3. Status zone The status zone returns the automatic measurements made on the signals and the selected harmonic. Signal Information display about Information display about fundamental or selected traces harmonic The «...
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Page 49: Vert" Vertical Menu
Harmonics Mode - The « Vertical » Menu Harmonics Mode (cont'd) The « Vert » Menu Definition Display when selected, opens the "Trace display" menu used for validating or invalidating the traces. Validation of selections by « OK ». Exit from menu without modification by «... - Page 50 Harmonics Mode - The « Vertical » Menu Harmonics Mode (cont'd) used for modifying independently the ch1 and ch2 channels parameters and modifying the selected trace vertical scale. Sensitivity/Coupling modifies the parameters of the selected channel. Channel Sensitivity modifies sensitivity of channel by scrollbar with left mouse key: from 2.5 mV to 100 V/div.
- Page 51 Harmonics Mode - The « Vertical » Menu Harmonics Mode (cont'd) Init re-initializes the multiplication coefficient at 1.0 and returning a measure unit in Volts. Validation of selections by « OK ». Exit from menu without modification by « Cancel ». This menu can also be opened by clicking with the right mouse key in the selected channel parameter display (ch1 or ch2).
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Page 52: Horiz" Horizontal Menu
Harmonics Mode - The « Horizontal » menu Harmonics Mode (cont'd) The « HORIZ » Menu Definition No averaging These menus are used for selecting an average rate to calculate an Average rate: 2 average according to the coefficient selected on the displayed Average rate: 4 samples. -
Page 53: Menus
Harmonics Mode - The « Display » Menu - The « Memory » Menu Harmonics Mode (cont'd) The « DISPLAY » Menu Definition These menus are used for displaying the harmonic composition of the selected one or 2 signals in 3 groups. Fundà... -
Page 54: Util" Utilities Menu
Harmonics Mode - The "Utilities" Menu - The "Help" Menu Harmonics Mode (cont'd) The « Util » Menu See description in « Oscilloscope » mode. The « ? » Menu See description in « Oscilloscope » mode. IV - 54 Two-channel digital oscilloscope... -
Page 55: Preparation For Use
Functional Description Functional Description Preparation for use Instructions before Before initial startup: startup • Connect the mouse to the 9-pin SUBD connector at the back of the unit. • Check the power supply cord which will be connected to the back of the unit and to the network connector with a ground link is in good condition. -
Page 56: Applications
Functional Description Functional Description (cont'd) Applications • Calibration signal Connect the calibrator output (2.5 V, 1 kHz) of the connection zone to the display CH1 input using the 1: 10 ratio measurement probe (for instance). • Using the key shown opposite, select the « Oscilloscope » mode. ∗... - Page 57 Functional Description Functional Description (cont'd) • Automatic Connect the calibrator output (2.5 V, 1 kHz) of the connection zone to measurements the CH1 input using a ratio 1 : 10 measurement probe. • For probe adjustments, see the §. Calibration signal display. •...
- Page 58 Functional Description Functional Description (cont'd) • Select measurements by cursors using the menu: Measurement à Measurements by cursors Manual measurements (dt, dv) (see §. Measurement). ∗ Two measurement cursors (1 and 2) are displayed as soon as the menu has been activated. ∗...
- Page 59 Functional Description Functional Description (cont'd) • Note The 3 measurement cursors are present if there is at least one trace on the screen. • The 3 measurement cursors can be moved directly over the screen using the left mouse key. They can also be moved by the mouse, by selecting 1 (cursor 1) or 2 (cursor 2) in the status zone bargraph.
- Page 60 Functional Description Functional Description (cont'd) Examination of a TV frame • In the Trigger Parameters menu (see §: Triggering), select TV-frame coupling that permits pulse triggering on a frame sync. • Modify the time base speed to 1 ms/div. Example of TV frame The synchronization train is clearly visible at the beginning of the screen.
- Page 61 Functional Description Functional Description (cont'd) • The « Ref.: Harmonic X » » feeds into the selected harmonic: its value as a % of the fundamental its phase in ° with respect to the fundamental its frequency in Hz its RMS voltage in V Example harmonic breakdown On ch1 : the signal of the output calibrator (2.5 V, 1 kHz) (see §.
- Page 62 Functional Description Functional Description (cont'd) Display of slow The purpose of this example is the analysis of slow events for time bases events ranging from 200 ms to 200 s. « ROLL Mode» The samples are displayed constantly without waiting for the Trigger ("Roll"...
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Page 63: Vertical Deflection
2.5 mV to 5 V/div. ≥ 20 MHz on 10 V/div. ratings to 100 V/div. MTX 3352; MTX 3352-C: > 100 MHz on all vertical ratings from 2.5 mV to 5 V/div. ≥ 20 MHz on ratings from 10 V/div. -
Page 64: Horizontal Deflection (Time Base)
Bandwidth in X and Y identical Ø 60 MHz (MTX 3252; MTX 3252-C) Bandwidth in X Ø 100 MHz (MTX 3352; MTX 3352-C) and Y Phase error < 3° In XY mode at each instant t: The smallest time increment... -
Page 65: Trigger Circuit
Trigger coupling BP 10 Hz to 60 MHz (MTX 3252; MTX 3252-C) without bandwidth BP 10 Hz to 100 MHz (MTX 3352; MTX 3352-C) limit 0 to 60 MHz (MTX 3252; MTX 3252-C) 0 to 100 MHz (MTX 3352; MTX 3352-C) -
Page 66: Display
Technical specifications Technical specifications (cont'd) Display Characteristics Specifications Comments Display screen LCD 5.7 STN Monochrome (MTX 3252; MTX 3352) LCD 5.7 STN Color (MTX 3252-C; MTX 3352-C) CCFL back-lit Contrast Continuous adjustment Resolution 1/4 VGA: i.e.: 320 pixels horizontal x 240 pixels vertical... -
Page 67: Communication Interfaces
Technical specifications Technical specifications (cont'd) Communication interfaces SUBD 9-pin male connector A SUBD9-pin male connector is available on the back for connecting a serial mouse. SUBD 25-pin female connector The RS232C and CENTRONICS interfaces use the same SUBD for RS232C/CENTRONICS 25-pin female connector on the back of the unit. -
Page 68: Environment
General characteristics General characteristics • Environment Reference temperature 18°C to 28°C • Operating temperature range 0°C to 40°C • Storage temperature range -20°C to +70°C • indoor • Altitude < 2000 m • Relative humidity < 80 % at up to 31°C •... -
Page 69: Accessories
Supply Supply Accessories • Operating manual and programming manual for CD ROM Supplied with instrument • Mains power supply cord • Safety probes (x 2) • Serial mouse with SUBD 9-pin connector • Mouse mat • Takeoff Tee Supplied as an option 1 x BNC male - 2 x BNC female (package of 3 u.) HA2004-Z...
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