GW Instek GRS-6052A Manual de usuario

Declaration of Conformity

GRS-6052A, GRS-6032A

are herewith confirmed to comply with the requirements set out in the Council Directive on

the Approximation of the Law of Member States relating to Electromagnetic Compatibility

(89/336/EEC, 92/31/EEC, 93/68/EEC) and Low Voltage Equipment Directive

(73/23/EEC, 93/68/EEC).

For the evaluation regarding the Electromagnetic Compatibility and Low Voltage

Equipment Directive, the following standards were applied:

◎EMC

EN 61326-1: Electrical equipment for measurement, control and laboratory use –– EMC

requirements (1997+A1: 1998)

Conducted and Radiated Emission

EN 55011: 1998 Group I class A Electrostatic Discharge

IEC 61000-4-2: 1995

Current Harmonic

IEC 61000-3-2: 1995 Radiated Immunity

IEC 61000-4-3: 1995

Voltage Fluctuation

IEC 61000-3-3: 1994 Electrical Fast Transients

IEC 61000-4-4: 1995

------------------------- Surge Immunity

IEC 61000-4-5: 1995

------------------------- Conducted Susceptibility

IEC 61000-4-6: 1996

------------------------- Power Frequency Magnetic Field

IEC 61000-4-8: 1993

------------------------- Voltage Dips/ Interrupts

IEC 61000-4-11: 1994

◎Safety

Low Voltage Equipment Directive 73/23/EEC & amended by 93/68/EEC

Safety Requirements

IEC/EN 61010-1:2001

GRS-6052A/6032A OSCILLOSCOPE

USER MANUAL

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CONTENTS PAGE

1. PRODUCT INTRODUCTION.................................................

1-1.Description……………………………………………….

1-2.Feature…………………………………………………....

2. TECHNICAL SPECIFICATIONS………………………… 5

3. PRECAUTIONS BEFORE OPERATION…….…………...

3-1.Unpacking the Oscilloscope……………….………….…

3-2.Checking the Line Voltage…………………..…………..

3-3.Environment……………………………………..………

3-4.Equipment Installation and Operation………………....

3-5.CRT Intensity……………………………………………

3-6.Withstanding Voltage of Input Terminals……………...

4. PANEL INTRODUCTION……………………..…………...

4-1.Front Panel……………………………………………….

4-2.Rear Panel……………………………………….……….

5. OPERATION METHOD………………………………...….

5-1.Readout Display……………………………………..…...

5-2.Connecting Input Signals..………………………………

5-3.Adjustment and Checks…………………………………

5-4.Function Check…..………………………………………

5-5.Basic Operation………….….…………………………....

5-6.Digital Storage Functions………………………………..

5-7.Measurement Application……………………………….

5-8.RS-232 Interface Remote Control………………………

6. MAINTENANCE……………………………………………

6-1.Fuse Replacement………………………………………..

6-2.Line Voltage Conversion……………………………..….

6-3.Cleaning………………………………………………….

7. BLOCK DIAGRAM………………………………………... 96

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SAFETY TERMS AND SYMBOLS

These terms may appear in this manual or on the product:

WARNING. Warning statements identify condition or practices

that could result in injury or loss of life.

CAUTION. Caution statements identify conditions or practices that

could result in damage to this product or other property.

Measurement category I is for measurements performed on circuits not directly

connected to MAINS.

Measurement category II is for measurements performed on circuits directly

connected to the low voltage installation.

Measurement category III is for measurements performed in the building

installation.

Measurement category IV is for measurements performed at the source of the

low-voltage installation.

The following symbols may appear in this manual or on the product:

DANGER ATTENTION Protective Earth(ground)

High Voltage refer to Manual Conductor Terminal

Terminal

GRS-6052A/6032A OSCILLOSCOPE

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iii

FOR UNITED KINGDOM ONLY

NOTE: This lead/appliance must only be wired by competent persons

WARNING: THIS APPLIANCE MUST BE EARTHED

IMPORTANT: The wires in this lead are coloured in accordance with the

following code:

Green/ Yellow: Earth

Blue: Neutral

Brown: Live (Phase)

As the colours of the wires in main leads may not correspond with the

colours marking identified in your plug/appliance, proceed as follows:

The wire which is coloured Green & Yellow must be connected to the Earth

terminal marked with the letter E or by the earth symbol or coloured

Green or Green & Yellow.

The wire which is coloured Blue must be connected to the terminal which is

marked with the letter N or coloured Blue or Black.

The wire which is coloured Brown must be connected to the terminal

marked with the letter L or P or coloured Brown or Red.

If in doubt, consult the instructions provided with the equipment or contact

the supplier.

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This cable/appliance should be protected by a suitably rated and approved

HBC mains fuse: refer to the rating information on the equipment and/or

user instructions for details. As a guide, cable of 0.75mm2should be

protected by a 3A or 5A fuse. Larger conductors would normally require

13A types, depending on the connection method used.

Any moulded mains connector that requires removal /replacement must be

destroyed by removal of any fuse & fuse carrier and disposed of immediately,

as a plug with bared wires is hazardous if a engaged in live socket. Any re-

wiring must be carried out in accordance with the information detailed on

this label.

GRS-6052A/6032A OSCILLOSCOPE

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1.PRODUCT INTRODUCTION

1-1. Description

The GRS-6052A and GRS-6032A set a standard in performance and economy,

each equips with two professional scopes in one. They can be operated as a real

time 50 or 30MHz analog oscilloscope and become a full function digital storage

oscilloscope by pressing a button. Now, you have the power for digital capture and

analysis of elusive single shots with a full 100MS/s sample rate. The instruments

provide with a high speed A/D converter for each channel to enable the

measurement, memory, and analysis of high-speed phenomena. A microprocessor-

based operating system controls most of the functions of the instrument, including

cursor readout and digitized panel setting. On-screen alphanumeric readout and

cursor function for voltage, time and frequency measurement provide extraordinary

operational convenience. Ten different user defined instrument settings can be

saved and recalled without restriction.

The vertical deflection system has two input channels. Each channel has 14 basic

deflection factors from 1mV to 20V per division. The horizontal deflection system

provides sweep time from 100s to 0.2μs per division. The trigger system provides

stable triggering over the full bandwidth of the vertical deflection system.

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1-2.Features

Additionally, the oscilloscope offers several other features:

1) High intensity and internal graticule CRT

The oscilloscope employs a high intensity 6-inch rectangular type cathode-

ray tube with red internal graticule. It displays clear readable traces even at

high sweep speeds. Internal graticule lines eliminate parallax-viewing error

between the trace and the graticule line.

2) Multiple Digital Storage Functions

zDigitizing repetitive waveform up to full bandwidth 50/30MHz through

the use of equivalent sampling (500MS/s).

z2k-word acquisition memory per channel up to 10 sets SAVE/RECALL

reference memories (with back-up) are provided.

zPre-trigger function for observing waveforms before triggering. The

trigger point can be selected from 0~10 DIV (in 0.02DIV steps).

zRoll mode is ideal for observing flickering low-speed signals. The

TIME/DIV range up to 100s.

zThe peak detect mode can detect glitch with pulse duration of 25ns or

more.

zThe persistence mode makes for easy measurements of jitter, voltage

variation, and etc.

zThe averaging function can be selected freely from 2 to 256. This

effectively reduces noise from repetitive signals.

zThe smoothing (dot-join) function provides linear connections between

the captured point, ensuring that digitized signals are displayed without

gaps.

zIn the magnification mode, the DOT or LINEAR interpolation can be

selected according to the waveform.

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zThe built-in RS-232C interface enables remote control operation and

signal processing via a PC.

zThe X-Y mode is same as the real time mode. The X (horizontal) signal is

connected to the input of CH1, the Y (vertical) signal is applied to the

input of CH2, and the storage waveform bandwidth up to 50MHz/30MHz.

3) ALT-MAG Function (both Real Time Mode and Storage Mode)

The primary sweep waveform along with the magnified sweep waveform can

be displayed simultaneously using the ALT-MAG function. The

magnification ratio can be selected from among three stages of ×5, ×10,

×20 for magnifying the displayed waveform in the center of the CRT.

4) Convenient VERT-MODE Triggering

The sync signal source is decided automatically when vertical axis mode is

switched. This means that you need not change the trigger source every time

you switch the VERT-MODE.

5) TV triggering

Exclusive TV sync separator circuit technology provides stable TV signal

measurements on fields, frames and lines.

6) Hold Off (Real Time Mode only)

The function allows the obtaining of stable synchronization for even

complex waveforms that are difficult to synchronized by adjusting the

trigger level alone.

7) CH1 Signal Output

The CH1 signal output is obtained by branching the input signal in the

middle of the signal line. As the connector outputs the input signal at a rate

of 50mV/DIV, connecting a frequency counter makes it possible to measure

the frequency of a very low signal while observing its waveform.

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8) Z-axis intensity modulation (Real Time Mode only)

For applying a blanking signal from an external source. The trace displayed

on the screen may be intensity-modulated where pulse signal or time-scale

marks are required.

9) LED indicator and buzzer alarm

The LED’s located in the front panel assist operation and indicated

additional information. Incorrect operation and the electrical end position of

control knobs are indicated by a warning beep.

10) SMD manufacturing technology

The instrument is built by using the most advanced SMD technology so as to

reduce the number of internal wiring and shorten the foil route on the pc

board. This will also greatly increase the high frequency performance and the

reliability of the product.

11) Compact size (275W×130H×370D) mm and front panel layout groups for easy-

to-use.

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2.TECHNICAL SPECIFICATIONS

Type 6-inch rectangular type with internal graticule;

0%, 10%, 90% and 100% markers.

8 x10 DIV (1 DIV = 1 cm)

Accelerating Potential Approx. 10kV (GRS-6052A),

2kV (GRS-6032A)

INTEN and FOCUS Front panel control.

Illumination Provided

Trace Rotation Provided.

CRT Z-axis Input

(REAL TIME mode

only)

Sensitivity: at least 5V

Polarity : positive going input decrease intensity

Usable frequency range: DC to 2MHz.

Max. input voltage: 30V (DC +AC peak) at 1kHz

or less.

Input Impedance: approx. 33kΩ(GRS-6052A)

47kΩ(GRS-6032A)

Sensitivity Accuracy 1mV~2mV/DIV ±5%, 5mV~20V/DIV ±3%, 14

calibrated steps in 1-2-5 sequence.

Vernier Vertical

Sensitivity Continuously variable to 1/2.5 approx. of panel

indicate value.

GRS-6052A Bandwidth(-3dB) Rise Time

5mV~20V/DIV DC~50MHz Approx. 7ns

1mV~2mV/DIV DC~7MHz Approx. 50ns

GRS-6032A Bandwidth(-3dB) Rise Time

5mV~20V/DIV DC~30MHz Approx. 11.7ns

Bandwidth(-3dB) and

Rise Time

1mV~2mV/DIV DC~7MHz Approx. 50ns

Maximum Input Voltage 400V (DC + AC peak) at 1kHz or less.

Input Coupling AC, DC, GND

Input Impedance Approx. 1MΩ±2% // approx. 25pF

Vertical Modes CH1, CH2, DUAL(CHOP/ALT), ADD, CH2 INV.

CHOP Frequency Approx. 250kHz.

VERTICAL

SYSTEM

Dynamic Range

(REAL TIME mode

only)

GRS-6052A: 8DIV at 40MHz, 6DIV at 50MHZ

GRS-6032A: 8DIV at 20MHz, 6DIV at 30MHz

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Sweep Time 0.2μs/DIV~0.5s/DIV, 20 steps selectable in 1-2-5

sequence, continuous variable control between steps

at least 1:2.5.

Accuracy ±3%, ±5% at ×5 and ×10 MAG, ±8% at ×20 MAG

Sweep Magnification ×5, ×10, ×20 MAG

Maximum Sweep Time

(at MAG)

GRS-6052A:20ns/DIV (10ns/DIV uncalibrated)

GRS-6032A:50ns/DIV(10ns/DIV~40ns/DIV

uncalibrated.

HORIZONTAL

SYSTEM

(REAL TIME

mode) ALT-MAG Function Available.

Trigger Modes AUTO, NORM, TV

Trigger Source VERT-MODE, CH1, CH2, LINE, EXT.

Trigger Coupling AC, HFR, LFR, TV-V(-), TV-H(-).

Trigger Slope “+” or “- ” polarity.

GRS-6052A CH1,

CH2 VERT-

MODE EXT

20Hz~5MHz 0.5 DIV 2.0 DIV 200mV

5MHz~40MHz 1.5 DIV 3.0 DIV 800mV

40MHz~50MHz 2.0 DIV 3.5 DIV 1V

GRS-6032A CH1,

CH2 VERT-

MODE EXT

20Hz~2MHz 0.5 DIV 2.0 DIV 200mV

2MHz~20MHz 1.5 DIV 3.0 DIV 800mV

20MHz~30MHz 2.0 DIV 3.5 DIV 1V

Trigger Sensitivity

TV sync pulse more than 1 DIV (CH1, CH2, VERT-

MODE) or 200mV (EXT).

External Trigger Input Input impedance: Approx. 1MΩ//25pF(AC

coupling)

Max. input voltage: 400V (DC + AC peak) at 1kHz.

TRIGGER

SYSTEM

Hold-off Time Variable (Real Time Mode only).

Input X-axis : CH1, Y-axis : CH2

Sensitivity 1mV/DIV~20V/DIV.

Bandwidth X-axis: DC~500kHz (-3dB)

X-Y

OPERATION

(REAL TIME

mode) Phase Difference 3°or less from DC to 50kHz

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Acquisition Digitizer 8 bit ADC ×2

Max. Sampling Rate 500MS/s for equivalent time sampling.

100MS/s for normal sampling.

Acquisition Mode Sample, Peak detect (>25ns), envelope, persistence,

average (2~256).

Storage Bandwidth(-

3dB)

Single shot: DC to 25MHz.

Repetitive : DC to 50MHz (GRS-6052A)

DC to 30MHz (GRS-6032A)

Dynamic Range ±5DIV.

Memory Length

Acquisition Memory

Save REF Memory

Display Memory

2k words/CH×2, 1k words/CH (equivalent)

1k words/CH×10 with back-up memory(REF 0~9)

1k words/CH×4 waveform (max.)

Sweep Time Equivalent: 0.2μs/DIV ~ 0.5μs/DIV

Normal: 1μs/DIV ~ 0.1s/DIV

Roll Mode: 0.2s/DIV ~ 100s/DIV

Sweep Magnification ×5, ×10, ×20

Max. Sweep Time 10ns/DIV

MAG Interpolation Dots, Linear

ALT-MAG Function Available

Operation Mode Auto, Norm, Single, Single-roll, Roll, X-Y

Average (2 ~ 256), Run/Stop

Smoothing Function Dot Joint ON/OFF selectable

Pre-trigger 0 ~ 10DIV in 0.02DIV steps (at 5μs/DIV ~

0.1s/DIV)

X-Y Operation X-axis: CH1, Y-axis: CH2

Storage Bandwidth : DC~50MHz (GRS-6052A)

DC~20MHz (GRS-6032A)

Display Resolution H : 100 points/DIV

V : 25 points/DIV

X-Y: 25 ×25 points/DIV

DIGITAL

STORAGE

FUNCTIONS

Waveform

SAVE/RECALL 10 sets (REF0 ~ REF9) with back-up memory.

CH1 Signal Output Voltage : approx. 20mV/DIV (with 50Ω

terminal.)

Bandwidth: 50Hz to at least 5MHz.

OUTPUT

SIGNAL Calibrator Output Voltage : 0.5V±3%,

Frequency: approx. 1kHz, square wave.

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Panel Setting Display CH1/CH2 sensitivity, sweep time, trigger

condition, digital storage function.

Panel Setting Save &

Recall 10 sets

Cursor Measurement

Cursor Measurement Function: ΔV, ΔT, 1/ΔT.

Cursor Resolution: 1/25 DIV.

Effective Cursor Range: Vertical:±3 DIV,

Horizontal: ±4 DIV

Text Readout Intensity Adjustable

CURSOR

READOUT &

CONTROL

INTERFACE

RS232 Interface Remote control via a PC.

Voltage AC100V, 120V, 230V ±10% selectable.

Frequency 50Hz or 60Hz.

LINE POWER

REQUIREMENT Power Consumption Approx. 70VA, 60W(max).

Dimensions 275(W)×130(H)×370(D) mm.

MECHANICAL

SPEC. Weights 8.5 kg

OPERATING

ENVIRONMENT

Indoor use

Altitude up to 2000 m

Ambient temperature :

To satisfy specifications : 10℃to 35℃( 50°F to 95°F )

Maximum operating ranges: 0℃to 40℃( 32°F to 104°F )

Relative humidity: 85% RH(max.) non condensing

Installation Category : II

Pollution degree 2

STORAGE

TEMPERATUR

E & HUMIDITY -10°to 70℃, 70%RH(maximum)

ACCESSORIES

Power cord….............……….. 1

Instruction manual…………… 1

Probe (×1/×10)…………..….... 2

Measurement category I is for measurements performed on circuits not

directly connected to MAINS.

Measurement category II is for measurements performed on circuits

directly connected to the low voltage installation.

Measurement category III is for measurements performed in the building

installation.

Measurement category IV is for measurements performed at the source of

the low-voltage installation.

GRS-6052A/6032A OSCILLOSCOPE

USER MANUAL

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3.PRECAUTIONS BEFORE OPERATION

3-1.Unpacking the Oscilloscope

The product has been fully inspected and tested before shipping from the

factory. Upon receiving the instrument, please unpack and inspect it to check if

there is any damages caused during transportation. If any sign of damage is

found, notify the bearer and/or the dealer immediately.

3-2.Checking the Line Voltage

The oscilloscope can be applied any kind of line voltage shown in the table

below. Before connecting the power plug to an AC line outlet, make sure the

voltage selector of the rear panel is set to the correct position corresponding to

the line voltage. It might be damaged the instrument if connected to the wrong

AC line voltage.

WARNING. To avoid electrical shock the power cord protective

grounding conductor must be connected to ground.

When line voltages are changed, replace the required fuses shown as below:

Line voltage Range Fuse

100V 90-110V

120V 108-132V T 1A 250V

230V 207-250V T 0.4A 250V

WARNING. To avoid personal injury, disconnect the power

cord before removing the fuse holder.

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3-3.Environment

The normal ambient temperature range of this instrument is from 0°to 40°C

(32°to 104°F). To operate the instrument over this specific temperature range

may cause damage to the circuits.

Do not use the instrument in a place where strong magnetic or electric field

exists as it may disturb the measurement.

3-4.Equipment Installation, and Operation

Ensure there is proper ventilation for the vents in the oscilloscope case. If the

equipment is used not according to the specification, the protection provided by

the equipment may be impaired.

3-5.CRT Intensity

To prevent permanent damage to the CRT phosphor, do not make the CRT trace

brighten excessively or leave the spot stay for an unreasonably long time.

3-6.Withstanding Voltages of Input Terminals

The withstanding voltages of the instrument input terminals and probe Input

terminals are shown in the following table. Do not apply voltages higher than

these limits.

Input terminal Maximum input voltage

CH1, CH2, inputs 400V (DC + AC peak)

EXT TRIG input 400V (DC + AC peak)

Probe inputs 600V (DC + AC peak)

Z AXIS input 30V (DC + AC peak)

CAUTION. To avoid damaging the instrument, do not apply

input voltages of the frequency over 1 kHz to the instrument.

GRS-6052A/6032A OSCILLOSCOPE

USER MANUAL

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4. PANEL INTRODUCTION

After the instrument is switched on, all the important settings are displayed in the

readout. The LED’s located on the front panel assist operation and indicate

additional information. Incorrect operation and the electrical end positions of

control knobs are indicated by a warning beep.

All of the pushbuttons, VOLTS/DIV control knobs, TIME/DIV control knobs are

electronically selected, and their functions and settings can therefore be stored

and remotely controlled as well. Some controls are only operated in the digital

storage mode or have a different function. Explanation pertaining to them are

indicated with the hint of “storage mode only”.

The front panel is subdivided into five sections:

zDisplay controls

zVertical controls

zHorizontal controls

zTrigger controls

zDigital storage functions

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Front panel of GRS-6052A

GRS-6052A/6032A OSCILLOSCOPE

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4-1.Front Panel

Display controls

The display controls adjust the on-screen appearance of the waveform and

provide a probe compensation signal source.

(1) POWER – Pushbutton

When switch on the oscilloscope to have all LEDs lighted and wait a few

seconds, the normal operation mode is present. Then the last settings become

activated and the LED indicates “ON” condition.

(2) TRACE ROTATION

The TRACE ROTATION is for aligning the horizontal trace in parallel with

graticule lines. This potentiometer can be adjusted with a small screwdriver.

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(3) INTEN—Control knob (REAL TIME Mode only)

The control knob is used for adjusting the traces intensity in the real time

mode. Turning the knob clockwise to increase the intensity while turning it

counterclockwise to decrease the intensity.

(4) FOCUS

The control knob effects both the trace and the readout sharply.

(5) CAL

The terminal provides a reference signal of 0.5Vp-p at 1kHz for probe

adjustment.

(6) Ground Socket—Banana Socket galvanically connected to safety earth

This socket can be used a reference potential connection for DC and low

frequency signal measurement purpose.

(7) TEXT/ILLUM—Control knob with a double function.

The pushbutton is for selecting the text readout intensity function or scale

illumination function, and indicates the letter “TEXT” or “ILLUM” in the

readout. Press the pushbutton for the following sequences:

“TEXT” — “ILLUM” — “TEXT”

The TEXT/ILLUM function is associated the VARIABLE (9) control knob.

Turning the knob clockwise to increase the text intensity or scale

illumination, while turning the knob counterclockwise to decrease it.

Pressing the knob to switch the TEXT/ILLUM on or off.

In the STORAGE mode, the brightness of the waveform on the screen can be

controlled by the “TEXT”.

(8) CURSORS MEASUREMENT FUNCTION

There are two pushbutton and associated the VARIABLE (9) control knob.

When the pushbutton is pressed, the three measurement functions will be

selected in the sequence as follows:

△V—△T—1/△T—OFF

GRS-6052A/6032A OSCILLOSCOPE

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△V: Two horizontal cursors appear. The voltage between the two cursors is

calculated according to the setting of VOLTS/DIV, and displayed with

△V on the upper side of the CRT.

Single channel mode (CH1 or CH2):

The △V measuring result is automatically related to the deflection

coefficient of the active channel. The readout displays “△V1…” or

“△V2…”.

Dual channel mode:

The cursor lines must be set on the CH1 or CH2 signal. As the

deflection coefficients may be different, it will be required to select

between the deflection coefficient of CH1 and CH2.

ADD mode:

In ADD (addition) mode, normally two input signals are displayed as

one signal (sum or difference). As the result can only be determined if

both (calibrated) deflection coefficients are equal, the readout indicates

“△V…” without any additional channel information. Different

deflection coefficient settings or uncalibrated deflection coefficients

are indicated in the readout as “△V=…DIV”.

X-Y mode:

In the X-Y mode, the instrument is automatically set to △V

measurement. The deflection coefficient selected for each channel may

be different, thus as in DUAL mode the △V cursor measurement

requires a channel selection. Under channel 1 (X signal) measuring

condition the cursor lines are displayed as vertical lines and the readout

displays “△VX…”. Pressing the pushbutton, select channel 2 (Y

signal) measuring, then the cursor lines are displayed as horizontal

lines and the readout indicates “△VY…”.

△T: Two vertical cursors appear. The time between the two cursors is

calculated according to the setting of TIME/DIV, and displayed with

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