Extech Instruments 381395 Manuale utente

User Manual

Model 381395

5MHz Dual Channel

True RMS Oscilloscope Datalogger

FUNC

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

Back to the Extech 381395 Product Page

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

Table of Contents

1. GENERAL INFORMATION 1-1

1.1. FEATURE OVERVIEW 1-1

1.1.1. Universal SCOPE Mode 1-1

1.1.2. DATA Logger 1-1

1.1.3. Digital Multi-Meter 1-2

1.1.4. Frequency Counter 1-2

1.1.5. General 1-2

1.2. WARRANTY INFORMATION 1-3

1.3. PRECAUTIONS 1-3

1.4. MAINTENANCE 1-3

1.5. SAFETY INFORMATION:READ FIRST 1-4

1.6. SYMBOLS AND TERMS 1-4

1.7. UNPACKING THE INSTRUMENT 1-5

1.7.1. Standard 1-5

1.7.2. Options 1-5

2. PRODUCT DESCRIPTION 2-1

2.1. THE INPUT TERMINAL AREA 2-2

2.1.1. Caution ( ) 2-2

2.1.2. Warning ( ) 2-2

2.1.3. 600V MAX 2-2

2.1.4. The METER provides 4 input jacks 2-2

2.2. THE KEYS AREA 2-3

2.2.1. Turning power on and off ( ) 2-3

2.2.2. AUTO key ( ) 2-3

2.2.3. TRIGger key ( ) 2-3

2.2.4. Function key ( ) 2-4

2.2.5. Command menu keys ( ) 2-4

2.2.6. Four arrow keys ( ) 2-5

2.2.7. Display back light ( ) 2-6

2.2.8. Hold key ( ) 2-6

2.3. THE DISPLAY AREA 2-7

2.3.1. Special indicator 2-7

2.3.2. DISPLAY depends on selected function 2-8

2.3.3. The Command Menu 2-15

iii

2.4. THE USB INTERFACE AND POWER INPUT TERMINAL 2-16

2.4.1. USB INTERFACE 2-16

2.4.2. Power Adaptor Input Terminal 2-16

3. USING THE SCOPE 3-1

3.1. POWERING THE METER 3-1

3.2. DISPLAY BACKLIGHT 3-1

3.3. SELECTING “GENERAL SCOPE” IN THE MENU 3-1

3.4. SELECTING ITEMS IN SCOPE SETUP MENU 3-2

3.4.1. Set Frequency measurement for CHA 3-2

3.5. CHANGING THE GRAPHIC REPRESENTATION 3-3

3.5.1. Changing the vertical division 3-3

3.5.2. Changing the Horizontal division (Time Base) 3-3

3.5.3. Positioning the Waveform of CH A on the Screen 3-4

3.5.4. Positioning the Waveform of CH B on the Screen 3-4

3.5.5. Positioning the Trigger Point Indicator on the Screen 3-4

3.6. ACQUIRING THE WAVEFORM 3-5

3.6.1. Recording slow signals over a Long Period of Time. 3-5

3.6.2. Selecting AC-Coupling for INPUT A 3-5

3.7. TRIGGERING ON A WAVEFORM 3-6

3.7.1. Setting Trigger mode (Tmode) 3-6

3.7.2. Setting AUTO Trigger Level 3-7

3.7.3. Setting Normal Trigger mode 3-8

3.7.4. Setting Trigger Slope 3-8

3.7.5. Changing the Trigger level Indicator 3-8

3.7.6. Making a single acquisition 3-9

3.8. STORING AND RECALLING SCREENS 3-9

3.8.1. Storing Screen 3-9

3.8.2. Recalling Screen 3-10

4. USING THE DATA LOGGER 4-1

4.1. SELECTING ITEMS IN DATA LOGGER SETUP MENU 4-1

4.1.1. Changing the Sampling Type 4-1

4.1.2. Changing the Sampling interval Time 4-2

4.1.3. Changing the Start/Stop Address 4-2

4.2. DATA LOGGER 4-3

4.2.1. Changing the Measurement Function & Range 4-4

4.3. RECALL DATA 4-4

5. USING THE DIGITAL MULTIMETER 5-1

5.1. THE DIGITAL MULTIMETER DISPLAY MODE 5-1

5.1.1. RECORD MODE 5-1

5.1.2. RELATIVE MODE 5-1

5.1.3. COMPARE MODE 5-2

5.1.4. TREND PLOT 5-2

5.2. MEASUREMENT PROCEDURES 5-3

5.2.1. DC V 5-3

5.2.2. AC V 5-4

5.2.3. Resistance 5-5

5.2.4. Continuity 5-5

5.2.5. Frequency 5-6

5.2.6. RPM 5-6

5.2.7. Pulse Width 5-7

5.2.8. Duty 5-7

6. SYSTEM SETUP 6-1

6.1. CONFIGURE THE AUDIBLE BEEPER 6-1

6.2. AUTO POWER OFF 6-1

6.3. SET THE BAUD RATE (BPS) 6-1

6.4. CHANGE THE CURRENT DATE AND TIME 6-2

6.4.1. Setting the time 6-2

6.4.2. Setting the date Error!

Bookmark not defined.

7. SPECIFICATIONS 7-1

7.1. GENERAL SPECIFICATIONS 7-1

7.2. TECHNICAL SPECIFICATIONS 7-2

7.2.1. General Oscilloscope Function Specs. 7-2

7.2.2. Data Logger Function Specs. 7-3

7.2.3. Digital Multimeter Function Specs. 7-3

8. REMOTE PC INTERFACE 8-1

8.1. USB HID DEVICE INSTALLATION 8-1

8.1.1. System Requirements 8-1

8.1.2. Operating System 8-1

8.2. PC USB PORT CONNECTION 8-1

8.2.1. HID Device 8-1

8.3. INSTALLING WINDOWS APPLICATION SOFTWARE 8-2

8.4. RUNNING THE APPLICATION SOFTWARE 8-3

8.4.1. Oscilloscope Mode 8-3

8.4.2. DMM & Data Logger Mode 8-4

8.4.3. Display Mode for DMM & Data Logger Mode 8-5

9. MAINTAINING THE METER 9-1

9.1. SECTION OVERVIEW

ERROR!BOOKMARK NOT DEFINED.

9.2. STATIC SAFE HANDLING 9-1

9.3. CLEANING THE METER 9-1

9.4. STORING THE METER 9-2

9.5. CALIBRATION 9-2

9.6. REPLACING AND DISPOSING OF THE LI-ION BATTERY 9-2

9.6.1. Replacing the battery pack 9-3

10. APPENDICES 10-1

10.1. TROUBLESHOOTING GUIDE 10-1

10.2. LCD STATUS INDICATION BY FUNCTION 10-2

10.2.1. Function Menu & General Scope Mode 10-2

10.2.2. Data Logger Mode 10-2

10.2.3. Multimeter / Record Mode 10-2

10.2.4. Multimeter / Relative Mode 10-3

10.2.5. Multimeter / Compare Mode 10-3

10.2.6. Multimeter / Trend Plot Mode 10-3

10.2.7. System Setup Mode 10-4

10.2.8. Trigger Setup Mode 10-4

1. General Information

Model 381395 Version 1.0 January 2008

1-1

1. General Information

This section contains general Meter information. The bulleted list below outlines the section.

zFeature Overview

zWarranty Information

zSafety Information

zSymbols and Terms

zSpecifications

zUnpacking the Test Tool Kit

1.1. Feature Overview

The Model 381395 is a handheld, battery-operated Oscilloscope, True RMS Data Logger

and Digital Multimeter designed and tested according to IEC Publication 1010-1 (EN 61010-

1:1993, Over voltage Category II)

This instrument features:

1.1.1. Universal SCOPE Mode

zDual Channel with Auto Calibration

zSampling Time

Single CH mode: 50 MS/s, Dual CH mode: 25 MS/s

zDC to 5MHz Oscilloscope bandwidth

z16 shot waveform and setup memories

zAutomatic Triggering

zAutomatic setting for horizontal and vertical divisions

zRoll and Single shot modes

zExcellent internal noise reduction

zReal time Updates

1.1.2. DATA Logger

zLogger Memory: 17,000 Data Points

zLogs the following signal types: DCV, ACV, OHM, BZ, Hz, RPM, P/width, Duty

zPrints programmed intervals in Hours/Minutes/Seconds

zAppends incoming data to existing data

1. General Information

Model 381395 Version 1.0 January 2008

1-2

zSampling Rate: 0.25S/s

zSampling intervals from 1 second to 9,999 seconds

zSampling Mode: Peak and Sampling Time

zBuilt-in Real Time Clock (RTC)

zStart / Stop address setting

zData is retained when battery is low or has been removed

1.1.3. Digital Multi-Meter

zLarge 10,000 count LCD and fast 101 segment analog Bar Graph display

zProgrammable Function mode: Multi display measurements

Record (Max, Min, Avg), Relative (Ref, Err), Compare (GO-NOGO) mode and Trend plot

zReal Time for MAX or MIN, elapsed time for AVG

zMeter automatically selects best range instantly (Fast Auto range)

zData hold and run mode

zRPM, Duty cycle and Pulse width measurement

zTrue RMS digital Multi-meter

zMax. Voltage between Input and Ground: DC or AC 600Vrms

z600V Overload Protection

1.1.4. Frequency Counter

zFrequency Range: 0 to 10MHz

zAccuracy: ±(0.05%+5)

1.1.5. General

zEasy to Operate

zBacklit display with Low battery indication

zUSB PC interface for viewing and saving measurements and waveform data

zAuto power off (can be disabled)

zDisplay resolution: 132 x 128 pixels

zDesigned to comply with safety standards: UL3111 and CSA C22.2 No.1010-1

1. General Information

Model 381395 Version 1.0 January 2008

1-3

1.2. Warranty Information

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and

workmanship for one year from date of shipment (a six month limited warranty applies to sensors and

cables). If it should become necessary to return the instrument for service during or beyond the

warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210 for

authorization or visit our website www.extech.com for contact information. A Return Authorization

(RA) number must be issued before any product is returned to Extech. The sender is responsible for

shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty

does not apply to defects resulting from action of the user such as misuse, improper wiring, operation

outside of specification, improper maintenance or repair, or unauthorized modification. Extech

specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and

will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is

limited to repair or replacement of the product. The warranty set forth above is inclusive and no other

warranty, whether written or oral, is expressed or implied.

1.3. Precautions

zCarefully read the manual before operating this device

zThe contents of this manual may be amended by the manufacturer without notice

zNever dismantle the instrument

zThe equipment has been tested and calibrated before delivery

zThis product should be stored in a secured area

zThe rear protective terminal must be connected to actual earth ground otherwise electric

shock may occur.

1.4. Equipment Maintenance

zAlthough the equipment is durable and weather resistant, care should be taken not to

expose it to severe impact or pressure

zKeep the equipment clear of water and damp environments

zCalibration should performed once per year

zDo not operate this instrument if it appears damaged or if it functions abnormally

zDo not use the Meter near explosive gas or vapors

zTo clean, wipe the surface of the equipment with a dry and clean cloth

1. General Information

Model 381395 Version 1.0 January 2008

1-4

1.5. Safety Information: Read First

Warning!

Please read the following safety information before using the product. To avoid possible

electric shock or personal injury, please read and follow these guidelines carefully:

zFollow the guidelines in this manual and DO NOT use the Meter if the case is damaged

zDo not apply excessive voltage to the Multimeter. Apply voltage within the rated range

only

zUse caution when measuring voltages above 30V RMS, 42V peak, or 60V DC. These

voltages pose an electric shock hazard

zWhen using the probes always keep fingers behind the finger guards

zAlways connect the common test leads (black) before connecting the live test leads (red),

and disconnect the live test leads (red) before disconnecting the common test leads

(black)

zDisconnect circuit power and discharge all high-voltage capacitors before testing

resistance and continuity

zOnly qualified personnel should open the meter case

zWhen replacing fuses, use only the specified type and rating

zDo not try to operate the Meter if it is damaged. Disconnect the power from the equipment

and connect the point of purchase for return and repair information

1.6. Symbols and Terms

See explanation in manual before using this Meter. This symbol indicates hazards that

may cause damage to the instrument or may result in personal injury

This symbol indicates high voltage may be present. Use extra caution

Double Insulation (Protection Class II)

Recycling information

Equal potential inputs

High BNC Input

Earth (ground) terminal.

AC or DC

DC – Direct Current

AC – Alternating Current

Fuse

This product complies with the essential requirements or the applicable European laws

or directives with respect to safety, health, environment and consumer protections

1. General Information

Model 381395 Version 1.0 January 2008

1-5

1.7. Unpacking the Test Tool Kit

The product package is supplied with the following items:

1.7.1. Standard

zOne Meter

zTwo Test leads

zOne Lithuim-ION Battery (installed)

zOne AC Power & Rechargeable Adaptor

zOne CD (PC software)

zMeter to PC USB interface cable

zOne Carrying case

1.7.2. Options

zRubber Holster

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