Data Sheet
Digital Storage Oscilloscopes
Models 2540B, 2542B, 2540B-GEN, 2542B-GEN
Features and Benefits
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60 MHz (2540B/2540B-GEN) and 100 MHz
(2542B/2542B-GEN) bandwidth
1 GSa/s sample rate
Deep waveform memory up to 2.4 Mpts
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28 automatic measurements
Four different math functions – Add, Subtract,
Multiply, and FFT
Pulse width, video, slope and alternate
triggering
Advanced tools include digital filter with
adjustable limits, pass/fail testing, and wave
form recorder mode
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The 2540B, 2542B, 2540B-GEN, and
2542B-GEN dual channel 60 MHz and 100
MHz digital storage oscilloscopes deliver
performance and value, all in one portable
solution. Maximize productivity using extensive
features such as digital filtering, waveform
recorder, pass/fail limit testing, and automatic
measurements. These oscilloscopes offer
powerful tools in a small affordable package with
deep waveform memory up to 2.4 Mpts plus
LAN and USB PC interface. The 2540B-GEN
and 2542B-GEN models add a built-in
function/arbitrary waveform generator (AWG).
Easily capture, save, and analyze measurement
results with Comsoft PC software. All scope
parameters can be controlled via a PC without
the need for programming or communicate with
the DSO via the built-in LAN interface using a
web browser.
Additionally, these oscilloscopes can be integrated
with AWGs using B&K Precision's waveform
editing software, WaveXpress. WaveXpress allows
users to easily modify waveforms downloaded
from the scope and can also be used for analysis
of deep memory acquisitions.
Educators will appreciate the ability to disable the
Auto Set button that would automatically setup
the scope to display a signal, circumventing the
need to know how to set up scope parameters.
This is key for teaching waveform measurement
fundamentals as if it was an analog oscilloscope.
These oscilloscopes are ideal for applications in
design and debugging, service and repair, and
education.
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Four shortcut keys for quick access of
frequently used functions (models 2540B and
2542B only)
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Built-in Function/Arbitrary Waveform
Generator (models 2540B-GEN and
2542B-GEN only)
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11 different language user interfaces
Built-in context sensitive help system
For educators - ability to disable the Auto Set
button
LAN and USB connectivity for remote PC
control through Comsoft PC software
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or
custom software using SCPI commands
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USB host port for convenient storing and
recalling of waveform data, setups, and
screenshots on a USB flash drive
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LAN interface for capturing screenshots via a
web browser plus full front panel emulation
Mode ls
Bandwidth
Built-In AWG
2540B
60 MHz
No
2542B
100 MHz
No
2540B-GEN
60 MHz
Yes, 20 MHz
2542B -GEN
100 MHz
Yes, 40 MHz
1-Based on sample rate and accessible via remote interface
2-Available for download at the B&K Precision website
For more information, visit www.bkprecision.com/WaveXpress
Technical data subject to change
© B&K Precision Corp. 2014
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Digital Storage Oscilloscopes
Models 2540B. 2542B, 2540B-GEN, 2542B-GEN
Front panel
M enu On/Off butto n
Configure the menu parameters
and hide the menu with the
push of a button to view your
signal in full screen.
Wavefo rm analysis wi th math an d FFT
Analyze your signals with add, subtract, and
multiply functions. View the signal’s frequency
spectrum and perform harmonic distortion
analysis.
Aut o Set but ton
Vertical, horizontal, and
trigger controls are
automatically adjusted for
fast signal display.
Ad van ce d trigge ri ng
Isolate the signal with
advanced triggering
including pulse width and
selectable video trigger.
Buil t-i n arbit rary w ave form
ge nerat or (models 254 0B-G EN
and 25 42 B-GEN o nly)
Display
5.7” color display.
USB h ost port
Connect your USB flash drive to
conveniently update firmware and
store/recall waveform data, setups,
and screenshots.
Prin t but ton
Simply press the Print button
to save a screenshot in bitmap
format to a USB flash drive.
Shortcut butt ons
(model s 25 40B and
25 42B o nly)
Use these buttons to quickly
access your most frequently
used functions or menus. The
Custom button allows you to
assign your own shortcut.
Optimize your workspace and
increase productivity with the unique
combination of a DSO and a
built-in AWG.
Rear panel
Securi ty loo p
Use the built-in security
loop to secure your
instrument to your location.
AC Input Socket
Input socket for the AC power cord.
Communi cati on
LAN, RS232, and USB ports enable
remote PC control.
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Digital Storage Oscilloscopes
Models 2540B. 2542B, 2540B-GEN, 2542B-GEN
The tools you need
Web-Enabl ed
PC Connectivity
De ep Memor y
The built-in LAN interface allows you to easily
capture screenshots at a user-configurable
refresh rate with a web browser. A GUI simulat-
ing the front panel provides full DSO control.
This feature can be useful in an education
setting.
Comsoft software provides seamless integration
between the oscilloscope and PC. Capture and
transfer waveforms, screen images, setups, and
measurement results to a Windows PC via the
LAN and USB device port on the back of the
instrument. A USB host port on the front allows
for quick and easy screen saving to a USB flash
drive.
Beneficial for applications such as I C serial data
streams, deep memory lets you capture wave-
forms in high resolution while maintaining a high
sample rate over a longer period of time. Up to
2.4 Mpts of memory can be captured in as fast
as 5 seconds
*
using binary transfer through the
LAN or USB interface.
*Typical time based on LAN speed testing.
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Powe rful Me asurement Functions
Multi-Lang uage Interface
Waveform Record er
Display and measure the input signal’s frequency
spectrum. Select one of the 5 FFT windows:
Rectangular, Hanning, Hamming, Blackman, and
Flattop. Use cursors to measure the spectral
component’s magnitude and frequency.
Operate the oscilloscope in a language you
understand best with the built-in multi-language
interface. Choose from English, Simplified
Chinese, Traditional Chinese, Korean, Japanese,
French, German, Russian, Spanish, Portuguese,
and Polish.
Monitor and analyze long-term signal behavior
by recording data continuously over an extensive
period of time and playing it back for post
acquisition analysis. Data is recorded in a
sequence of up to 1000 frames.
Pass/Fail Testing
Dig ital Filter ing
C ustom Shortcut Key
(Mode ls 2540B and 2542B only)
Generate user-defined pass/fail limits to quickly
identify go/no go test results.
Filter out unwanted signal components such as
various types of noise with built-in digital filters.
Choose from Low-Pass, High-Pass, Band-Pass,
and Band-Stop filters.
Generate your own shortcut key from the
shortcut menu to quickly access your most
frequently used function.
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Digital Storage Oscilloscopes
Models 2540B. 2542B, 2540B-GEN, 2542B-GEN
Arbitrary Waveform Generator Features for Models 2540B-GEN and 2542B-GEN
Multiple Ways to I nterface
Save and load arbitrary waveform data in
CSV format from a USB flash drive.
Great for education labs, research, and manufac-
turing environments, the 2540B-GEN and
2542B-GEN help save bench space and cost by
combining 2 instruments in 1. These models
provide users a high performance DSO with a
full-featured Function/Arbitrary Waveform
Generator in a compact and affordable package.
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1 µHz to 20 MHz Sine Output (2540B-GEN)
1 µHz to 40 MHz Sine Output (2542B-GEN)
1 µHz to 20 MHz Square Output
1 mHz to 10 MHz Pulse Output
Frequency Sweep and Burst Mode
Output protected against short circuit
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C apture and Storag e Function
Graphical Hel p Fe ature
Generate, edit, and upload arbitrary
waveforms to the scope using the
intuitive Comsoft PC software.
Quick and easy single-button capture func-
tion lets you acquire and store your signal
directly from the oscilloscope’s channels to
the generator’s internal memory. Not only
can CH1 and CH2 signals be captured, but
math functions applied to the channels can
also be captured and stored.
Display a graphical illustration explaining the
parameters of the built-in arbitrary waveforms
and modulation schemes. This is a convenient
tool for students and new users.
Wide Array of Modul ation Sche mes
Remotely connect to the scope and
download waveform data from custom
software using SCPI commands.
30 Built-In Arbitrary W avefor ms
Store user arbitrary waveforms internally (up to
10 waveforms) or externally as an ARB or CSV
file to a USB flash drive.
The built-in arbitrary waveform generator is
capable of many different types of modulation for
various applications. Modulate your waveforms
with AM, FM, FSK, PSK, and PWM modulation
schemes and use any of the 30 built-in wave-
forms as the modulating waveform.
Take advantage of the generator’s already
built-in waveforms that fit your application.
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Digital Storage Oscilloscopes
Models 2540B. 2542B, 2540B-GEN, 2542B-GEN
Digital Storage Oscilloscope Specifications
M ode l
Pe rformance Characteris tics
Bandwidth
Real Time Sampling Rate
Channels
Rise time
<5.83 ns
60 MHz
100 MHz
Single Channel: 1 GSa/s
Dual Channel: 500 MSa/s
2
<3.50 ns
2540B /2540B-GEN
2542B/2542B-GEN
H ardware Freque ncy Counte r
Reading resolution
Range
5 digits
up to oscilloscope’s maximum bandwidth
Wave form Math and A utomatic Measu reme nts
Math operation
FFT
Add, Subtract, Multiply, FFT
Window mode: Rectangular, Hanning, Hamming, Blackman, Flattop
Sampling points: 1024
Max, Min, VPP High, Low, Amplitude, Average, RMS, Overshoot,
,
Preshoot, Cycle average, Cycle RMS, Frequency, Period, Rise time,
Fall time, +Width, -Width, +Duty, -Duty, Delay, Phase, X at MAX,
X at MIN
Max Memory Depth
(based on sample rate)
1 GSa/s: 16 kpts
500 MSa/s: 8 kpts (dual channel)
500 MSa/s: 2.4 Mpts* (single channel)
≤
250 MSa/s: 1.2 Mpts* (single and dual channel)
*Maximum number of points can only be extracted via remote
control using the USB, RS232C, or LAN interface.
Measurements
Cu rsors
Types
Measurements
A uto Se t
Function
Requirements
D isplay Syste m
Display
Wave display range
Wave display mode
Persistence
Waveform interpolation
Color mode
5.7 in. Color TFT, 320 x 234 resolution, 24-bit true color
8 x 12 div
Dots, Vector
Off, Infinite
Sin(x)/x, Linear
Normal, Inverted
Single button automatic setup of both channels for vertical,
horizontal and trigger system. Can be disabled for training purposes
Minimum voltage >10 mVpp, 0.5% duty cycle and
minimum frequency >50 Hz
Voltage, Time
ΔV, ΔT,
1/ΔT (frequency)
Vertical Resolution
Vertical Sensitivity
DC Gain Accuracy
Maximum input voltage
Position Range
Bandwidth Limit
Horizontal Scan Range
Timebase Accuracy
Input Coupling
Input Impedance
Vertical and Horizontal Zoom
I /O In terface
USB
RS232
LAN
Pass/Fail
A cquis ition Mode s
Normal
Peak Detect
Average
Trigger System
8 bits
2 mV/div -10 V/div (1-2-5 order)
10 mV/div to 10 V/div: ±3.0%
2 mV/div, 5 mV/div: ±4.0%
400 V (DC+AC PK-PK, 1 MΩ input impedance, X10),
CAT I
±8 divisions away from the center of the screen
20 MHz selectable
2 ns/div to 50 s/div
±0.01 %
AC, DC, GND
1 MΩ || 18 pF
Vertically or horizontally expand or compress a live or stopped
waveform
USB host port for flash drives, USB device port for remote
control via PC and Comsoft software
Remote control via PC and Comsoft software
Remote control via web browser or PC and Comsoft software
Pass/Fail output
E nvironmental and Safe ty
Temperature
Humidity
Altitude
Electromagnetic Compatibility
Safety
G eneral
Power Requirements
Dimensions (WxHxD)
100-240 VAC, CAT II, 50 VA max, 47 Hz to 440 Hz
12.6” x 6.16” x 4.84” (320 x 156.5 x 123 mm)
6.2 lbs. (2.81 kg)
Operating: 32° F to 104 °F (0 °C to +40 °C)
Non-operating: -4 °F to 131 °F (-20 °C to +55 °C)
Maximum 80% R.H. for temperatures up to 87.8 °F (31 °C),
decreasing linearly to 50% R.H. at 104 °F (40 °C)
Operating: 9,842.5 ft (3,000 m)
Non-operating: 49,212.6 ft (15,000 m)
Meets EMC Directive 2004/108/EC,
meets EN61326 Class A
EN61010-1:2001, EU Low Voltage Directive 2006/95/EC
Display sample data only
Capture the maximum and minimum values of a signal
Waveform averaged, selectable from 2, 4, 8, 16, 32, 64, 128,
256
Edge, Pulse Width, Video*
Trigger Types
*Support signal Formats: PAL/SECAM, NTSC
Trigger condition : odd field, even field, all lines, or line number
Auto, Normal, Single
AC, DC, LF reject, HF reject
CH1, CH2, EXT, EXT/5, AC Line, Alternating
Trigger Modes: Positive Pulse (>,<,=),
Negative Pulse (>,<,=)
CH1 trigger type: Edge, Pulse, Video, Slope
CH2 trigger type: Edge, Pulse, Video, Slope
Weight
Three-Year Warranty
Supplied Accessories: User manual, two 150 MHz 10:1 passive probes (model PR37A),
power cord, USB interface cable, and certificate of calibration.
One BNC-to-BNC cable (for models 2540B-GEN and 2542B-GEN only)
Trigger Modes
Trigger Coupling
Trigger Source
Pulse Width Trigger
Alternative Trigger
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