B&K Precision 的 4007B,4013B Manual 规格书

KPHEW"‘W€® DDS Function
Model: 4007B, 4013B
DDS Function
Generator
USER MANUAL
2
Safety Summary
The following safety precautions apply to both operating
and maintenance personnel and must be observed
during all phases of operation, service, and repair of this
instrument. Before applying power, follow the installation
instructions and become familiar with the operating
instructions for this instrument.
If this device is damaged or something is missing,
contact the place of purchase immediately.
This manual contains information and warnings that
must be followed to ensure safe operation as well as
maintain the meter in a safe condition.
GROUND THE INSTRUMENT
To minimize shock hazard, the instrument chassis and
cabinet must be connected to an electrical ground. This
instrument is grounded through the ground conductor of
the supplied, three-conductor ac power cable. The
power cable must be plugged into an approved three-
conductor electrical outlet. Do not alter the ground
connection. Without the protective ground connection,
all accessible conductive parts (including control knobs)
can render an electric shock. The power jack and
mating plug of the power cable must meet IEC safety
standards.
DO NOT OPERATE IN AN EXPLOSIVE
ATMOSPHERE
Do not operate the instrument in the presence of
flammable gases or fumes. Operation of any electrical
instrument in such an environment constitutes a definite
safety hazard.
KEEP AWAY FROM LIVE CIRCUITS
Instrument covers must not be removed by operating
personnel. Component replacement and internal
adjustments must be made by qualified maintenance
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personnel. Disconnect the power cord before removing
the instrument covers and replacing components.
Under certain conditions, even with the power cable
removed, dangerous voltages may exist. To avoid
injuries, always disconnect power and discharge circuits
before touching them.
DO NOT SERVICE OR ADJUST ALONE
Do not attempt any internal service or adjustment unless
another person, capable of rendering first aid and
resuscitation, is present.
DO NOT SUBSTITUTE PARTS OR MODIFY THE
INSTRUMENT
Do not install substitute parts or perform any
unauthorized modifications to this instrument. Return
the instrument to B&K Precision for service and repair to
ensure that safety features are maintained.
WARNINGS AND CAUTIONS
WARNING and CAUTION statements, such as the
following examples, denote a hazard and appear
throughout this manual. Follow all instructions
contained in these statements.
A WARNING statement calls attention to an operating
procedure, practice, or condition, which, if not followed
correctly, could result in injury or death to personnel.
A CAUTION statement calls attention to an operating
procedure, practice, or condition, which, if not followed
correctly, could result in damage to or destruction of part
or all of the product.
WARNING:
Do not alter the ground connection. Without the
protective ground connection, all accessible
conductive parts (including control knobs) can
render an electric shock. The power jack and mating
plug of the power cable meet IEC safety standards.
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WARNING:
To avoid electrical shock hazard, disconnect power
cord before removing covers. Refer servicing to
qualified personnel.
CAUTION:
Before connecting the line cord to the AC mains,
check the rear panel AC line voltage indicator.
Applying a line voltage other than the indicated
voltage can destroy the AC line fuses. For continued
fire protection, replace fuses only with those of the
specified voltage and current ratings.
CAUTION:
This product uses components which can be
damaged by electro-static discharge (ESD). To avoid
damage, be sure to follow proper procedures for
handling, storing and transporting parts and
subassemblies which contain ESD-sensitive
components.
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Compliance Statements
Disposal of Old Electrical & Electronic Equipment
(Applicable in the European
Union and other European countries with
separate collection systems)
This product is subject to
Directive 2002/96/EC of
the European
Parliament and the
Council of the European
Union on waste
electrical and electronic
equipment (WEEE) , and
in jurisdictions
adopting that Directive, is
marked as being put on
the market after August
13, 2005, and should not
be disposed of as
unsorted
municipal waste. Please
utilize your local WEEE
collection
facilities in the
disposition of this
product and otherwise
observe all applicable
requirements.
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Safety Symbols
Refer to the user manual for warning
information to avoid hazard or personal
injury and prevent damage to instrument.
Chassis (earth ground) symbol.
On (Power). This is the In position of the
power switch when instrument is ON.
Off (Power). This is the Out position of
the power switch when instrument is OFF.
On (Supply). This is the AC mains
connect/disconnect switch at the back of
the instrument.
Off (Supply). This is the AC mains
connect/disconnect switch at the back of
the instrument.
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CE Declaration of Conformity
The model 4007B and 4013B meet the requirements
of 2006/95/EC Low Voltage Directive and
2004/108/EC Electromagnet Compatibility Directive
with the following standards.
Low Voltage Directive
- EN61010-1:2010
Safety requirements for electrical
equipment for measurement, control,
and laboratory use-Part 1
EMC Directive
- EN61326-1:2006
- EN61000-3-2 (2006+A2:2009)
- EN61000-3-3 (2008)
- EN61000-4-2 (2009)/-3
(2006+A2:2010)/-4 (2004+A1:2010)/-5
(2006)/-6 (2009)/-11 (2004)
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1 INTRODUCTION ................................. 10
1.1 Introduction ...........................................10
1.2 Description ............................................10
1.3 Specifications........................................11
2 INSTALLATION .................................. 14
2.1 Introduction ...........................................14
2.2 Package Contents ................................14
2.4 Instrument Mounting .............................15
2.5 Power Requirements ............................15
2.6 Fuse Replacement ................................15
2.7 Grounding Requirements ......................16
2.8 Signal Connections ...............................17
3 OPERATING INSTRUCTIONS ........... 18
3.1 General Description ..............................18
3.2 Display Window ....................................19
3.3 Front Panel Controls .............................19
3.4 Connectors ...........................................20
3.5 Output Connections ..............................20
3.6 MENU Keys ..........................................21
3.6.1 WAVEFORM Keys........................ 22
3.6.2 UTILITY Key .................................. 24
3.6.3 SWEEP Key ................................. 24
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3.7 ON Key ................................................. 25
3.8 Cursor Keys .......................................... 26
3.9 Rotary Input Knob ................................. 26
3.10 Power-On Settings .............................. 26
3.11 Memory .............................................. 27
3.12 Displaying Errors ................................ 27
3.13 Quick Start .......................................... 28
3.13.1 Selecting a Standard Waveform . 28
3.13.2 Setting the Output ....................... 28
3.13.3 Using Voltage Offset .................. 28
3.13.4 Storing and Recalling a Waveform
Generator Setup ....................................... 29
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1 Introduction
1.1 Introduction
This manual contains information required to operate the
B&K Precision model 4007B and 4013B DDS Function
Generators. This section covers the instrument’s general
description, specifications and characteristics.
1.2 Description
The 4007B and 4013B are versatile high performance
function generators. Implemented using a DDS (direct
digital synthesis) architecture, these instruments
generate stable and precise sine, square, and triangle
waveforms. Both models also provide linear and
logarithmic sweep for users needing sweep capability. An
auxiliary TTL output at the generator’s frequency is
available to synchronize external devices. Up to 9 front
panel settings can be saved to memory storage.
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1.3 Specifications
Model
4007B
4013B
Frequency Characteristics
Sine
0.1 Hz – 7
MHz
0.1 Hz – 12
MHz
Square
0.1 Hz – 7
MHz
0.1 Hz – 12
MHz
Triangle
0.1 Hz – 1 MHz
Accuracy
0.01% ± 0.186 Hz
Resolution
5 digits or 100 mHz
Output Characteristics
Amplitude Range
10 mV to 10 Vp-p (into 50 Ω)
20 mV to 20 Vp-p (open
circuit)
Resolution
3 digits (1000 counts)
Amplitude Accuracy
± 2 % ± 20 mV of
programmed output from 1.01
V – 10 V
Flatness
± 1 dB to 12 MHz
Offset Range
± 4.5 V (into 50 Ω)*
Offset Resolution
10 mV, 3 digits
Offset Accuracy
± 2 % ± 10 mV (into 50 Ω)
Output Impedance
50 Ω
Output Protection
Protected against short circuit
or accidental voltage
practically available in
electronic laboratories,
applied to the main output
connector
Waveform Characteristics
Harmonic Distortion
DC – 100
DC – 100
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12
kHz, -55 dBc
100 kHz – 1
MHz, -45
dBc
1MHz – 7
MHz, -30
dBc
kHz, -55 dBc
100 kHz – 1
MHz, -45
dBc
1MHz – 12
MHz, -30
dBc
Square Rise/Fall
Time
< 20 ns (10% to 90% at full
amplitude into 50 Ω)
Variable Duty Cycle
20% to 80 %, up to 1 MHz for
Square waveform
Symmetry Accuracy
at 50%
< 1 %
Sweep Characteristics
Sweep Shape
Linear or Logarithmic, up or
down
Sweep Time
20 ms to 100 s
Input and Output
Sync Out
TTL pulse at programmed
frequency; 50 Ω source
impedance
General
Memory Storage
Store up to 9 instrument
settings
Power
Requirements
100 V – 240 V AC ± 10% (90
V – 264 VAC)
Max. Power
Consumption
25 VA
Operating
Temperature
0 °C – 50 °C
Storage
Temperature
-10 °C – 70 °C
Humidity
95% RH, 0 °C – 30 °C
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Dimensions
213 mm x 88 mm x 210 mm
(WxHxD)
Weight
Approx. 2 kg
Safety Standards
EN55011 for radiated and
conducted emissions
EN55082
EN61010
*Depends on amplitude setting.
Note: All specifications apply to the unit after a
temperature stabilization time of 15 minutes over an
ambient temperature range of 23 °C ± 5 °C.
Specifications are subject to change without notice.
To ensure the most current version of this manual,
please download the latest version here:
http://www.bkprecision.com/search/4013B
For current up-to-date product information, please visit
www.bkprecision.com
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2 Installation
2.1 Introduction
This section contains installation information, power
requirements, initial inspection and signal connections for
the 4007B and 4013B signal generators.
2.2 Package Contents
Please inspect the instrument mechanically and
electrically upon receiving it. Unpack all items from the
shipping carton, and check for any obvious signs of
physical damage that may have occurred during
transportation. Report any damage to the shipping agent
immediately. Save the original packing carton for
possible future reshipment. Every generator is shipped
with the following contents:
4007B / 4013B DDS function generator
AC Power Cord
Certificate of Calibration
Verify that all items above are included in the shipping
container. If anything is missing, please contact B&K
Precision.
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2.4 Instrument Mounting
The 4007B and 4013B Function Generators are intended
for bench use. The instrument includes a front feet tilt
mechanism for optimum panel viewing angle. The
instrument does not require special cooling when
operated within conventional temperature limits. It may
be installed in a closed rack or test station if proper air
flow can assure removing about 15 W of power
dissipation.
2.5 Power Requirements
The 4007B and 4013B can be operated from any source
of 90V to 264V AC, frequency from 48Hz to 66Hz. The
maximum power consumption is 25 VA. Use a slow blow
fuse of 1A, UL/CSA approved as indicated on the rear
panel of the instrument.
The instrument power fuse is located in the AC input
plug. To access the fuse, first disconnect the power cord
and then remove the fuse cartridge.
2.6 Fuse Replacement
There is a 1A, 250V rated slow blow fuse at the AC input.
Should the fuse ever get blown, follow the steps below to
replace:
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1. Locate the fuse box next to the AC input connector in
the rear panel.
2. With a small flat blade screwdriver, insert into the fuse
box slit to pull and slide out the fuse box as indicated
below.
3. Check and replace fuse if necessary.
2.7 Grounding Requirements
For the safety of operating personnel, the instrument
must be grounded. The central pin on the AC plug
grounds the instrument when properly connected to the
ground wire and plugged into proper receptacle.
WARNING
TO AVOID PERSONAL INJURY DUE TO SHOCK,
THE THIRD WIRE EARTH GROUND MUST BE
CONTINUOUS TO THE POWER OUTLET. BEFORE
CONNECTION TO THE POWER OUTLET, EXAMINE
ALL CABLES AND CONNECTIONS BETWEEN THE
Fuse box slit
Fuse box
Check/Remove Fuse
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UNIT AND THE FACILITY POWER FOR A
CONTINUOUS EARTH GROUND PATH.
THE POWER CABLE MUST MEET IEC SAFETY STANDARDS.
2.8 Signal Connections
Use RG58U 50Ω or equivalent coaxial cables for all input
and output signals to and from the instrument.
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3 Operating Instructions
3.1 General Description
This section describes the displays, controls and
connectors of the function generator.
All controls for the instrument local operation are located
on the front panel.
1
Power Button
Power ON/OFF
2
LCD Display
3
Function Keys
F1 – F4 function keys
1
2
3
4
11
10
5
6
7
9
8
19
19
1
4
Waveform Buttons
Select Sine,
Ramp/Triangle, Square
waveform shape
5
Rotary Knob
6
Cursor Keys
7
Output ON/OFF
Enable/Disable Output
8
SWEEP Button
Selects Sweep function
menu
9
UTIL Button
Utility menu
10
Units Keys
11
Numeric Keypad
3.2 Display Window
The function generator has a graphic LCD display that can
display up to 124 x 32 dots. When you power-on the unit sine
waveform is selected and current settings appear in the
display. The bottom displays a menu (selectable with function
keys) that corresponds to the function, parameter or mode
display selected.
3.3 Front Panel Controls
The front-panel controls select, display, and change parameter,
function, and mode settings.
Use the numerical keypad, rotary input knob and the cursor
movement keys to enter data into the waveform generator.
To change a setting:
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1. Press the key that leads to the item to change.
2. Move cursor using cursor keys to the appropriate position in
the numeric field (if applicable).
3. Use the rotary input or the numerical keyboard to change the
value of the displayed item. Changes take effect immediately.
3.4 Connectors
The function generator has two BNC connectors on the front
panel where you can connect coaxial cables. These coaxial
cables serve as carrier lines for output signals delivered from
the function generator.
Output
Use this connector to transfer the main output signal from the
function generator.
Sync Out
Use this connector to output a positive TTL sync pulse
generated at each waveform cycle.
3.5 Output Connections
The waveform generator output circuits operate as a 50
Ω voltage source working into a 50 Ω load. At higher
frequencies, non terminated or improperly terminated
output causes aberrations on the output waveform. In
addition, loads less than 50 Ω reduce the waveform
amplitude, while loads more than 50 Ω increase
waveform amplitude.
Excessive distortion or aberrations caused by improper
termination are less noticeable at lower frequencies,
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especially with sine and triangle waveforms. To ensure
waveform integrity, follow these precautions:
1. Use good quality 50 Ω coaxial cable and connectors.
2. Make all connections tight and as short as possible.
3. Use good quality attenuators if it is necessary to
reduce waveform amplitudes applied to sensitive circuits.
4. Use termination or impedance-matching devices to
avoid reflections.
5. Ensure that attenuators and terminations have
adequate power handling capabilities.
If there is a DC voltage across the output load, use a
coupling capacitor in series with the load. The time
constant of the coupling capacitor and load must be long
enough to maintain pulse flatness.
Impedance Matching
If the waveform generator is driving a high impedance,
such as a 1 MΩ input impedance (paralleled by a stated
capacitance) of an oscilloscope vertical input, connect
the transmission line to a 50 Ω attenuator, a 50 Ω
termination and to the oscilloscope input. The attenuator
isolates the input capacitance of the device and
terminates the waveform generator properly.
3.6 MENU Keys
These keys select the main menus for displaying or
changing a parameter, function or mode.
Freq: 1.0000 kHz Ampl: 5.00 v W AMPL | UFST | 22
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3.6.1 WAVEFORM Keys
The keys select the waveform output and displays the
waveform parameter menu (frequency, amplitude and
offset).
Sine Menu
F1: FREQ – (Frequency) Selects and displays the
frequency. Change the frequency setting using the cursor
keys, rotary knob or numerical keys.
F2: AMPL – (Amplitude) Selects and displays the
Amplitude. Change the amplitude setting using the
cursor keys, rotary knob or numerical keys.
F3:OFST – (Offset) Selects and displays the Offset
parameter. Change the offset by using the cursor keys,
rotary dial or numerical keys. If a certain setting cannot
be produced, the waveform generator will display a
“Setting Conflict” message.
Amplitude and Offset Interaction:
Amplitude and offset settings interact and are bound by
hardware restrictions. In order to obtain the desired
waveform, the following amplitude and offset hardware
limitations must be considered:
Freq: 1.0mm kHz Duty Cycle: 50% FRED AMPL orsr 23
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The offset voltage has three ranges as follows:
Output Voltage
Range
Constraints of
Amplitude + Offset
1.01 volt to
10.00 volts
(Vp-p)/2 + |offset| <= 5
volts
0.101 volt to 1
volt
(Vp-p)/2 + |offset| <=
0.5 volts
0.010 volt to
0.100 volt
(Vp-p)/2 + |offset| <=
0.05 volts
F4:SYM – (Symmetry) When the Square waveform is
selected, the SYMMETRY (Duty cycle) parameter is
available. Change the duty cycle (square) by using the
cursor keys, rotary dial or numerical keys. If a certain
setting cannot be produced, the waveform generator will
display a warning message.
Square Menu
Freq: 1.00m] kHz Recall!) Defaults flfl STEIREIIZIUT-onl INTEN 24
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3.6.2 UTILITY Key
Utility Menu
F1: RECALL – Recalls a previously stored front-panel
setup from the selected buffer. Change the buffer number
by using the rotary input knob. Valid storage buffer
numbers are from 1 to 9.
Buffer 0 is the factory default setup.
F2:STORE – Stores the current front-panel setup to the
specified storage buffer. Change the buffer number by
using the data keys or the rotary input knob. Valid
storage buffer numbers range from 1 to 9.
F3: OUT-ON – Selects the OUTPUT state from a power-
up. Select ON to enable or OFF to disable the output
from a power-up.
F4: INTENSITY – Adjusts the intensity of the LCD
screen. Valid range is 1 – 9; 9 giving the highest
intensity and contrast.
3.6.3 SWEEP Key
Selects the Sweep Mode and allows entering sweep
parameters Sweep Start, Sweep Stop and Sweep Rate.
Freq: 1.00m] kHz Ampl: 5.00 U ILH LIN | LDC-II SET Freq: Lin Sweep Start: 1.000 kHz smp | RATE | PREU 25
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To select the sweep mode, press SWEEP, then press the
function key that corresponds to the desired Sweep
menu option, as shown:
Sweep Menu
F1: ON/OFF – Enables/disables the sweep function.
Select between Sweep ON or OFF.
F2: LIN – Selects the Linear sweep shape.
F3: LOG – Selects the Logarithmic sweep shape.
F4: SET – Defines the Sweep Start and Stop
frequencies.
Set Sweep Menu
3.7 ON Key
Use this key to control the main output signal. When the
output is active, the key will lit. By default, this will be ON
(enabled) from a power-up. This can be changed by
changing the OUT-ON settings from the utility menu.
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3.8 Cursor Keys
Use these keys to move the cursor (when visible) either
left or right. They are used in conjunction with the rotary
input knob to set the step size of the rotary input knob.
3.9 Rotary Input Knob
Use this knob to increase and decrease numeric values.
The cursor indicates the low-order position of the
displayed value which changes when you rotate the knob
(for straight numeric entries only). For other types of
data, the whole value changes when you rotate the knob.
3.10 Power-On Settings
Table 3-2 lists the factory default settings or selected after
RECALL 0.
Table 1 – Power-on Default Settings
Key Function
Value
Description
Function
Sine
Output Waveform
Frequency
1.0000 kHz
Waveform Frequency
Amplitude
5.00 V
Peak-to-peak output amplitude
Offset
0.00 V
Zero DC offset
Output
OFF
Output disabled
Sweep
OFF
Sweep function disabled
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3.11 Memory
The waveform generator uses non-volatile flash memory
for storing the front panel settings.
Up to 9 front panel settings can be stored (not including
default settings).
3.12 Displaying Errors
The waveform generator displays error messages when
front-panel settings are either invalid or may produce
unexpected results.
Table 2 – Error Messages
Message
Text
Description
Out of range
The set value is out of the instrument’s
limits
Setting
Conflict
Settings conflict with another parameter
setting or value.
Empty
location
Attempt to recall settings from an empty
storage location.
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3.13 Quick Start
This section explains how to generate various waveforms
and modify the output waveform.
* Generating a waveform output
* Modifying waveform output
* Storing and recalling a waveform generator setup
3.13.1 Selecting a Standard Waveform
You can select several standard waveforms as: sine,
triangle, square. Creating a standard waveform requires
selecting the waveform type, parameters and their
settings that define the waveform.
Generating a standard waveform requires the following:
* Selecting the waveform
* Setting the output frequency
* Setting the output amplitude and offset
3.13.2 Setting the Output
To set the output channel, press the Output ON key. The
key will lit indicating the output is enabled.
3.13.3 Using Voltage Offset
Through the offset parameter you can add a positive or
negative DC level to the output waveform.
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To set voltage offset:
1. Select a waveform to display its menu.
2. Press F3 :OFST to display the offset setting.
3. Use the rotary input knob or the numerical keys to set
the voltage offset.
To turn the voltage offset OFF, repeat the steps above,
but set the offset voltage level to 0.
3.13.4 Storing and Recalling a Waveform
Generator Setup
You can store up to 9 front-panel setups inside the
internal non-volatile flash memory. When you recall a
stored setup, the front-panel settings change to match
the settings in the stored setup.
Storing Setups
To store the front-panel setup:
1. Press UTILITY to display the menu.
2. Press F2:STORE to select the Store mode.
3. Use the rotary input knob to select a buffer number.
Valid buffer numbers range from 1 to 9.
Buffer 0 is a read-only buffer that contains the default
setup/power-on settings.
The function generator will overwrite and store settings
into a buffer that had settings previously stored inside
without a warning.
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Recalling Setups
To recall stored front-panel setup:
1. Press UTILITY to display the menu.
2. Press F1:RECALL to select the Recall mode.
3. Use the rotary input knob to select a buffer number.
Valid buffers numbers range from 0 to 9. Buffer 0 is a
read-only buffer that contains the default power-on
setup.
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SERVICE INFORMATION
Warranty Service: Please go the support and service section on our website
www.bkprecision.com to obtain a RMA #. Return the product in the original
packaging with proof of purchase to the address below. Clearly state on the RMA the
performance problem and return any leads, probes, connectors and accessories that
you are using with the device.
Non-Warranty Service: Please go the support and service section on our website
www.bkprecision.com to obtain a RMA #. Return the product in the original
packaging to the address below. Clearly state on the RMA the performance problem
and return any leads, probes, connectors and accessories that you are using with the
device. Customers not on an open account must include payment in the form of a
money order or credit card. For the most current repair charges please refer to the
service and support section on our website.
Return all merchandise to B&K Precision Corp. with pre-paid shipping. The
flat-rate repair charge for Non-Warranty Service does not include return
shipping. Return shipping to locations in North America is included for
Warranty Service. For overnight shipments and non-North American shipping
fees please contact B&K Precision Corp.
B&K Precision Corp.
22820 Savi Ranch Parkway
Yorba Linda, CA 92887
www.bkprecision.com
714-921-9095
Include with the returned instrument your complete return shipping
address, contact name, phone number and description of problem.
lhree years f www.bkprecisuun.com 32
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LIMITED THREE-YEAR WARRANTY
B&K Precision Corp. warrants to the original purchaser that its products and
the component parts thereof, will be free from defects in workmanship and
materials for a period of three years from date of purchase.
B&K Precision Corp. will, without charge, repair or replace, at its option,
defective product or component parts. Returned product must be
accompanied by proof of the purchase date in the form of a sales receipt.
To help us better serve you, please complete the warranty registration for
your new instrument via our website www.bkprecision.com
Exclusions: This warranty does not apply in the event of misuse or
abuse of the product or as a result of unauthorized alterations or
repairs. The warranty is void if the serial number is altered, defaced or
removed.
B&K Precision Corp. shall not be liable for any consequential damages,
including without limitation damages resulting from loss of use. Some states
do not allow limitations of incidental or consequential damages. So the above
limitation or exclusion may not apply to you.
This warranty gives you specific rights and you may have other rights, which
vary from state-to-state.
B&K Precision Corp.
22820 Savi Ranch Parkway
Yorba Linda, CA 92887
www.bkprecision.com
714-921-9095
Index
Amplitude, 11, 22, 23, 26
cursor, 26
duty cycle, 23
Errors, 27
factory default, 26
frequency, 22
Impedance Matching,
21
intensity, 24
LCD, 19
Linear, 25
Offset, 22
recall, 30
safety, 2
Specifications, 11
store, 29
Symmetry, 23
Sync Out, 20
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KPHECw""“"” www.bkgrecision.com
22820 Savi Ranch Parkway
Yorba Linda, CA 92887
www.bkprecision.com
© 2012 B&K Precision Corp.
v042913