Agilent Technologies U1602A Manual

Agilent Technologies
Agilent U1602A and
U1604A Handheld Digital
Oscilloscopes
User’s and Service Guide

2 Agilent U1602A/U1604A User’s and Service Guide
Notices
© Agilent Technologies, Inc. 2006, 2007
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
U1602-90700
Edition
Fourth Edition, May 23, 2007
Printed in Malaysia
Agilent Technologies, Inc.
3501 Stevens Creek Blvd.
Santa Clara, CA 95052 USA
Warranty
The material contained in this docu-
ment is provided “as is,” and is sub-
ject to being changed, without notice,
in future editions. Further, to the max-
imum extent permitted by applicable
law, Agilent disclaims all warranties,
either express or implied, with regard
to this manual and any information
contained herein, including but not
limited to the implied warranties of
merchantability and fitness for a par-
ticular purpose. Agilent shall not be
liable for errors or for incidental or
consequential damages in connec-
tion with the furnishing, use, or per-
formance of this document or of any
information contained herein. Should
Agilent and the user have a separate
written agreement with warranty
terms covering the material in this
document that conflict with these
terms, the warranty terms in the sep-
arate agreement shall control.
Technology Licenses
The hardware and/or software described in
this document are furnished under a license
and may be used or copied only in accor-
dance with the terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights. Soft-
ware and technical data rights granted to
the federal government include only those
rights customarily provided to end user cus-
tomers. Agilent provides this customary
commercial license in Software and techni-
cal data pursuant to FAR 12.211 (Technical
Data) and 12.212 (Computer Software) and,
for the Department of Defense, DFARS
252.227-7015 (Technical Data - Commercial
Items) and DFARS 227.7202-3 (Rights in
Commercial Computer Software or Com-
puter Software Documentation).
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing procedure, practice, or the like
that, if not correctly performed or
adhered to, could result in damage
to the product or loss of important
data. Do not proceed beyond a
CAUTION notice until the indicated
conditions are fully understood and
met.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and
met.
Microsoft ®is a U.S. registered trademark
of Microsoft Corporation.

Agilent U1602A/U1604A User’s and Service Guide 3
Notices
No part of this manual may be reproduced in any form or by any means
(including electronic storage and retrieval or translation into a foreign
language) without prior agreement and written consent from Agilent
Technologies, Inc. as governed by United States and international
copyright laws.
The information contained in this document is subject to change without
notice.
To the extent allowed by local law, Agilent makes no warranty of any kind
with regard to this material, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose.
To the extent allowed by local law, Agilent shall not be liable for errors
contained herein or for incidental or consequential damages in connection
with the furnishing, performance, or use of this material.
Certification
Agilent Technologies certifies that this product met its published
specifications at the time of shipment. Agilent further certifies that its
calibration measurements are traceable to the United States National
Institute of Standard and Technology (formerly National Bureau of
Standards), to the extent allowed by that organization’s calibration facility,
and to the calibration facilities of other International Standards
Organization members.

4 Agilent U1602A/U1604A User’s and Service Guide
General Warranty
The material contained in this document is provided “as is,” and is subject
to being changed, without notice, in future editions. Further, to the
maximum extent permitted by applicable law, Agilent disclaims all
warranties, either express or implied with regard to this manual and any
information contained herein, including but not limited to the implied
warranties of merchantability and fitness for a particular purpose. Agilent
shall not be liable for errors or for incidental or consequential damages in
connection with the furnishing, use, or performance of this document or
any information contained herein. Should Agilent and the user have a
separate written agreement with warranty terms covering the material in
this document that conflict with these terms, the warranty terms in the
separate agreement will control. Duration and conditions of warranty for
this product may be superseded when the product is integrated into
(becomes a part of) other Agilent products. During the warranty period,
Agilent will, at its option, either repair or replace products which prove to
be defective. The warranty period begins on the date of delivery or on the
date of installation if installed by Agilent.
Warranty Service
For warranty service or repair, this product must be returned to a service
facility designated by Agilent. For products returned to Agilent for
warranty service, the Buyer shall prepay shipping charges to Agilent and
Agilent shall pay shipping charges to return the product to the Buyer.
However, the Buyer shall pay all shipping charges, duties, and taxes for
products returned to Agilent from another country.

Agilent U1602A/U1604A User’s and Service Guide 5
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper
or inadequate maintenance by the Buyer, Buyer-supplied products or
interfacing, unauthorized modification or misuse, operation outside of the
environmental specifications for the product, or improper site preparation
or maintenance.
The design and implementation of any circuit on this product is the sole
responsibility of the Buyer. Agilent does not warrant the Buyer’s circuitry
or malfunctions of Agilent products that result from the Buyer’s circuitry.
In addition, Agilent does not warrant any damage that occurs as a result of
the Buyer’s circuit or any defects that result from Buyer-supplied products.
To the extent allowed by local law, Agilent makes no other warranty,
expressed or implied, whether written or oral with respect to this product
and specifically disclaims any implied warranty or condition of
merchantability, fitness for a particular purpose or satisfactory quality.
Exclusive Remedies
To the extent allowed by local law, the remedies provided herein are the
Buyer’s sole and exclusive remedies. Agilent shall not be liable for any
direct, indirect, special, incidental, or consequential damages (including
lost profit or data), whether based on warranty, contract, tort, or any other
legal theory.

6 Agilent U1602A/U1604A User’s and Service Guide
Safety Summary
The following general safety precautions must be observed during all
phases of operation of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates
safety standards of design, manufacture, and intended use of the
instrument. Agilent Technologies, Inc. assumes no liability for the
customer’s failure to comply with these requirements.
Safety Notices
WARNING A WARNING calls attention to a procedure, practice or the like, which, if
not correctly performed or adhered to, could result in injury or loss of
life. Do not proceed beyond a WARNING until the indicated conditions
are fully understood and met.
CAUTION A CAUTION notice denotes a hazard. It calls attention to an operating
procedure, practice, or the like that, if not correctly performed or adhered
to, could result in damage to the product or loss of important data. Do not
proceed beyond a CAUTION notice until the indicated conditions are fully
understood and met.

Agilent U1602A/U1604A User’s and Service Guide 7
Safety Symbols
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
Earth ground terminal
Equipotentiality
Caution, risk of electric shock
The Instruction Documentation Symbol. The product is marked with
this symbol when it is necessary for the user to refer to the instruc-
tions in the supplied documentation.
Direct and alternating current
Direct current
Equipment protected throughout by DOUBLE INSULATION or
REINFORCED INSULATION
Caution, hot surface
CAT III Measurement category III are measurements performed in the
building installation

8 Agilent U1602A/U1604A User’s and Service Guide
Regulatory Markings
The CE mark is a registered trademark of the European
Community.This CE mark shows that the product complies with all
the relevant European Legal Directives. If it was accompanied by a
year, it indicates the year the design was approved. This ISM device
complies with Canadian ICES-001.
The CSA mark is a registered trademark of the Canadian Standards
Association.
The UL mark is a registered trademark of Underwriters Laboratories
Inc.
The C-tick mark is a registered trademark of the Spectrum
Management Agency of Australia. This signifies compliance with
the Australia EMC Framework regulations under the terms of the
Radio Communication Act of 1992.

Agilent U1602A/U1604A User’s and Service Guide 9
General Safety Information
The following general safety precautions must be observed during all
phases of operation, service and repair of this instrument. Failure to
comply with these precautions or with specific warnings elsewhere in this
manual violates safety standards of design, manufacture and intended use
of the instrument. Agilent Technologies assumes no liability for the
customer’s failure to comply with these requirements.
WARNING • All DMM/Scope COM are internally connected. Only connect
DMM/Scope COM to same potential.
• Remove all unused scope probes and test leads.
WARNING • Do not connect DMM test leads and scope probes at the same time.
• Disconnect scope probe from instrument before using DMM
functions.
• Disconnect DMM test leads from instrument before using scope
functions.
WARNING To avoid electrical shock or fire during battery replacement:
• Disconnect test leads, probes and power supply before opening case
or battery door.
• Do not operate the instrument with battery cover open.
• Use only specified insulated probes and leads.
• Use only U1571A, 7.2 V Ni-MH battery pack supplied by
manufacturer.

10 Agilent U1602A/U1604A User’s and Service Guide
WARNING Prevention of fire or injury:
• Use only the designated AC adapter and test leads supplied with the
instrument.
• Observe all ratings and markings on the instrument before
connecting to the instrument.
• When performing measurement, ensure that the right safety and
performance ratings of instrument and accessories are used.
Maximum Input Voltages
• Input CH1 and CH2 direct (1:1 Probe) — 300 V CAT III
• Input CH1 and CH2 via 1:10 Probe — 600 V CAT III
• Input CH1 and CH2 via 1:100 Probe — 600 V CAT III
• Meter Input —300 V CAT III, 600 V CAT II
• Scope Input — 300 V CAT III
•Voltage ratings are Vrms (50 — 60 Hz) for AC sine wave and
VDC for DC applications.
Maximum Floating Voltage
• From any terminal to ground — 300 Vrms CAT III (up to 400 Hz)

Agilent U1602A/U1604A User’s and Service Guide 11
WARNING • Plug the probe or test leads to instrument before connecting to any
active circuit for testing. Before disconnecting from instrument,
remove scope probe or test leads from active circuit.
• Do not connect the ground wire to voltages higher than 42 Vpeak (30
Vrms) from earth ground.
• Do not expose the circuit or operate the instrument without its cover
or while power is being supplied.
• Do not use exposed metal BNC or banana plug connectors. Use only
the insulated voltage probes, test leads and adapters that come with
the instrument.
• Do not supply any voltage when measuring resistance or
capacitance in multimeter mode.
• Do not operate the instrument if it does not operate properly. Have
the instrument inspected by qualified service personnel.
• Do not operate the instrument in wet or damp environments.
• Do not operate the instrument in any environment at risk of
explosion. Do not operate the product in the presence of flammable
gases or flames.
• Keep the instrument’s surface clean and dry.
CAUTION Prevention of electro-static discharge
Electro-static discharge (ESD) can result in damage to the components in
the instrument and accessories.
• Select a static-free work location when installing and removing
sensitive equipment.
• Handle sensitive components to the minimum extent possible. Do not
allow contacts between components and exposed connector pins.
• Transport and store in ESD preventive bag or container that protects
sensitive components from static electricity.
• The battery (optional) must be properly recycled or disposed.

12 Agilent U1602A/U1604A User’s and Service Guide
Waste Electrical and Electronic Equipment (WEEE) Directive
2002/96/EC
This instrument complies with the WEEE Directive (2002/96/EC) marking
requirement. This affixed product label indicates that you must not discard
this electrical/electronic product in domestic household waste.
Product Category:
With reference to the equipment types in the WEEE directive Annex 1, this
instrument is classified as a “Monitoring and Control Instrument” product.
The affixed product label is shown as below:
Do not dispose in domestic household waste
To return this unwanted instrument, contact your nearest Agilent office, or
visit:
http://www.agilent.com/environment/product
for more information.

Agilent U1602A/U1604A User’s and Service Guide 13
Environment Conditions
This instrument is designed for indoor in the area with low condensation.
Table 1 shows general environment requirements.
Ta b l e 1 Environment Requirements
Environment Conditions Requirements
Maximum Altitude 2000 m
Temperature 0 to 50 °C (Operating)
–20 °C to 70°C (Non-operating)
Humidity 80 %RH at 40 °C (Operating at full accuracy)
CAUTION This instrument is designed to be used for measurement in Measurement
Category III, 300V for scope measurement, Measurement Category III, 300
V and Category II, 600 V for multimeter measurement, and operate in
environment Pollution Degree 2 with the following safety compliance:
• IEC 61010-1:2001 / EN61010-1:2001
• Canada: CSA C22.2 No. 61010-1:2004
• USA: UL 61010-1:2004

14 Agilent U1602A/U1604A User’s and Service Guide
In This Guide…
1Getting Started Chapter 1 guides you to set up and get started with
the handheld digital oscilloscope. This chapter also guides you through
the basics of the handheld scope’s front panel features.
2Front Panel and Displays Overview Chapter 2 describes the overview of
the front panel and display of the instrument, providing you a brief picture
of the general features and functions provided by this instrument.
3Using the Scope Functions Chapter 3 describes in detail on signal
channel coupling, waveform measuring and waveform display control.
This chapter also provides step-by-step instructions for you to get familiar
with each scope function.
4Using the Digital Multimeter Functions Chapter 4 contains reference
information to help you select and utilize multimeter functions. This
chapter also guides you on how to configure connections to perform the
meter measurements.
5Using the Data Logger Functions Chapter 5 describes the usage of the
data logging for multimeter measurement functions.
6Service and Maintenance Chapter 6 provides you with warranty
services, maintenance procedures and troubleshooting hints to solve
general problems that you may encounter with the instrument.
7Performance Tests Chapter 7 explains on how to verify the operation
and performance of the handheld scope to meet the performance
specifications.
8General Disassemble Chapter 8 contains procedures for removing
assembled parts from the handheld scope and the replaceable parts list.
9Characteristics and Specifications Chapter 9 lists specifications and
characteristics of the U1602A and U1604A handheld digital oscilloscopes.

Agilent U1602A/U1604A User’s and Service Guide 15
DECLARATION OF CONFORMITY
According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014
Generic example
Manufacturer’s Name: Agilent Technologies Microwave Products (M) Sdn. Bhd
Manufacturer’s Address: Bayan Lepas Free Industrial Zone,
11900, Bayan Lepas, Penang, Malaysia
Declares under sole responsibility that the product as originally delivered
Product Name: Handheld Digital Oscilloscope
Model Number: U1602A, U1604A
Product Options: This declaration covers all options of the above product(s)
complies with the essential requirements of the following applicable European Directives, and
carries the CE marking accordingly:
Low Voltage Directive (73/23/EEC, amended by 93/68/EEC)
EMC Directive (89/336/EEC, amended by 93/68/EEC)
and conforms with the following product standards:
EMC Standard
StandardStandard
Standard
Limit LimitLimit
Limit
IEC 61326-1:1997+A1:1998 / EN 61326-1:1997+A1:1998
CISPR 11:1990 / EN55011:1991 Class A Group 1
IEC 61000-4-2:1995+A1:1998 / EN 61000-4-2:1995 4 kV CD, 8 kV AD
IEC 61000-4-3:1995 / EN 61000-4-3:1995 3 V/m, 80-1000 MHz
IEC 61000-4-4:1995 / EN 61000-4-4:1995 0.5 kV signal lines, 1 kV power lines
IEC 61000-4-5:1995 / EN 61000-4-5:1995 0.5 kV line-line, 1 kV line-ground
IEC 61000-4-6:1996 / EN 61000-4-6:1996 3 V, 0.15-80 MHz
IEC 61000-4-11:1994 / EN 61000-4-11:1994 1 cycle / 100%
Canada: ICES-001:1998
Australia/New Zealand: AS/NZS 2064.1
The product was tested in a typical configuration with Agilent Technologies test systems.
Safety
IEC 61010-1:2001 / EN 61010-1:2001
Canada: CSA C22.2 No. 61010-1:2004
USA: UL 61010-1: 2004
Supplementary Information:
Agilent Handheld Digital Oscilloscope U1602A & U1604A shall be used with DSA-36W-12 24 switching power supply
for battery charging purpose.
This DoC applies to above-listed products placed on the EU market after:
16-November-2006
Date
Mack Soh
Quality Manager
For further information, please contact your local Agilent Technologies sales office, agent or distributor,
or Agilent Technologies Deutschland GmbH, Herrenberger Straße 130, D 71034 Böblingen, Germany.
Template: A5971-5302-2, Rev. B.01 U1602A Rev 1.0

16 Agilent U1602A/U1604A User’s and Service Guide
Product Regulations
Performance
Criteria
1
IEC 61326-1:1997+A1:1998 / EN 61326-1:1997+A1:1998
CISPR 11:1990 / EN 55011:1991 – Group 1 Class A Class A
IEC 61000-4-2:1995+A1:1998 / EN 61000-4-2:1995
(ESD 4kV CD, 8kV AD)
B
IEC 61000-4-3:1995 / EN 61000-4-3:1995 (3V/m, 80% AM) A
IEC 61000-4-4:1995 / EN 61000-4-4:1995
(EFT 0.5kV line-line, 1kV line-earth)
B
IEC 61000-4-5:1995 / EN 61000-4-5:1995
(Surge 0.5kV line-line, 1kV line-earth)
B
IEC 61000-4-6:1996 / EN 61000-4-6:1996
(3V, 0.15~80 MHz, 80% AM, power line)
A
IEC 61000-4-11:1994 / EN 61000-4-11:1994
(Dips 1 cycle, 100%)
B
Canada: ICES-001:1998
Australia/New Zealand: AS/NZS 2064.1
EMC
IEC 61010-1:2001 / EN 61010-1:2001
Canada: CSA C22.2 No. 61010-1:2004
Safety
USA: UL 61010-1: 2004
Additional Information:
The product herewith complies with the essential requirements of the Low Voltage Directive 73/23/EEC and the
EMC Directive 89/336/EEC (including 93/68/EEC) and carries the CE Marking accordingly (European Union).
1
Performance Criteria:
A Pass - Normal operation, no effect.
B Pass - Temporary degradation, self recoverable.
C Pass - Temporary degradation, operator intervention required.
D Fail - Not recoverable, component damage.
N/A – Not applicable
Notes:
Regulatory Information for Canada
ICES/NMB-001:1998
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est confomre à la norme NMB-001 du Canada.
Regulatory Information for Australia/New Zealand
This ISM device complies with Australian/New Zealand AS/NZS 2064.1

Agilent U1602A/U1604A User’s and Service Guide 17
Contents
1 Getting Started 29
To Inspect Package Contents 30
To Charge a Battery 33
To Power-on instrument 34
To Reset to Default Factory Settings 34
To Perform Self-Calibration 36
To Set Date and Time 37
To Set Auto-Power Off 39
To Select Quick Help Language 40
To Adjust Contrast of Display 41
To Compensate Scope Probe 42
2. Front Panel and Displays Overview 45
Front Panel Overview 45
Oscilloscope Display Overview 50
Multimeter Display Overview 52
3. Using the Scope Functions 53
Vertical Controls 54
Channel Selection for Waveform Display 54
Vertical System Setup 56
To Change Vertical Reference Ground Position 56

18 Agilent U1602A/U1604A User’s and Service Guide
Contents
To Center the Waveform on the Display 57
To Change Vertical Sensitivity 58
Channel Coupling Control 59
AC Channel Coupling 59
DC Channel Coupling 60
Ground channel coupling 60
Probe Attenuation Control 61
Invert Control 62
Horizontal Controls 64
Vertical System Setup 64
To Change Horizontal Scale Factor 64
To Set Delay of the Waveforms 65
To Change Trigger Point Indicator 66
Horizontal Mode Functions 67
Time Base mode 67
Main/Zoom Mode 68
Roll Mode 70
Trigger Controls 71
Trigger Modes 71
Auto Trigger Mode 72
Normal Trigger Mode 72
Single Trigger Mode 72
Trigger Types 73
Edge Trigger 73
Pattern Trigger 76
Video Trigger 79
Waveform Controls 80
Normal Acquisition Mode 81
Average Acquisition Mode 81
Peak Detection Mode 82
Display Controls 83
Display Types 83
Display Contrast 84
Graticule 85
Persistence 85

Contents
Agilent U1602A/U1604A User’s and Service Guide 19
Automatic Measurement 86
To Perform Automatic Measurements 87
Time Automatic Measurements 88
Voltage Automatic Measurements 90
Cursor Measurement Controls 94
X-Cursor Measurement 95
Y-Cursor Measurement 98
Math Functions Control 101
Dual Waveform Math — Add, Subtract 101
Add (CH1 + CH2) 102
Subtraction (CH1 – CH2, CH2 – CH1) 103
FFT (Fast Fourier Transform) 104
Save and Recall Controls 106
Save and Recall Controls without USB Flash Memory Device
106
To Save and Recall Waveform 108
To Erase Setup 110
To Erase Waveform 111
To Restore Factory Setup 112
Save and Recall Controls with USB Flash Memory Device 114
To Save Waveform 115
To Load Waveform 115
To Erase Waveform 116
To Clear Waveform 116
Autoscale and Run/Stop Controls 117
Autoscale 117
Run/Stop Controls 118
Utility Controls 119
Auto-Power Off Control 119
Language Selection 120
USB Flash Memory On/Off 120
Date and Time Setting 120
Self-Calibration 120
Probe Calibration 121

20 Agilent U1602A/U1604A User’s and Service Guide
Contents
Low Battery Mode 121
Mute Function 122
4. Using the Digital Multimeter Functions 123
Voltmeter 124
Ohmmeter 126
Resistance Measurement 126
Continuity Test 128
Diode Test 129
Capacitance Measurement 131
Auxiliary Meter 132
Temperature Meter 132
Ampere Meter 134
Humidity Meter 135
Pressure Meter 136
Relative Function 138
Automatic Measurement in Multimeter Mode 140
Restart Test 141
Auto-range Mode 141
5. Using the Data Logger Functions 143
Data Logger Function 144
Automatic Measurement in Data Logger Mode 148
Restart Test 148
6. Service and Maintenance 149
Warranty Services 149
Standard Warranty (Worldwide) 149
Accessories Warranty 151
Returning instrument to Agilent Technologies for service 152