99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Data Acquisition
Where you need it
When you need it
How you need it
• Accurate
• Flexible
• Easy-to-use
• Portable
• Networked
• Expandable
to thousands
of channels
Fluke data acquisition solutions
adapt to your needs
Get the data you want, where, how and when you want it.
Fluke gives you a broad choice in how you collect and transfer data for process monitoring and
laboratory test systems. You can choose a stationary or portable system. Transfer data to internal
memory, to a removable memory card, or to your PC. Choose a standalone or distributed networked
units. And you can expand your system from 20 to more than 2,000 channels.
Regardless of which you choose you’ll always get Fluke’s well known accuracy, reliability, speed,
and ease of use. All Fluke data acquisition products feature unique, built-in universal signal conditioning and a plug-in Universal Input Module to enable you to measure virtually any type of signal
without having to purchase extra equipment. Plus, powerful FlukeDAQ application software supports
easy configuration, trend analysis, remote viewing, email notifications and enables you to quickly
build human-machine-interfaces without any programming.
Any data acquisition application that requires high accuracy, easy setup, and convenience calls for
Fluke data acquisition products, which is why you’ll find them widely used for:
• R &D applications
• Environmental testing
• Product testing and process validation
• Troubleshooting
• Manufacturing test systems
Whether you’re gathering data at a high-voltage substation, a nuclear power plant, in a clean room,
on a production line, or on an automotive test track, Fluke data acquisition products can make your
job easier by delivering the data you need, when and where you need it.
Accuracy, flexibility and ease of use come standard
From a single 20 channel Hydra™ Series III
portable data logger to a 2,000+ channel precision temperature measurement 2680A data
acquisition system, Fluke data acquisition products share several unique advantages.
• Built-in signal conditioning saves time and
money. Fluke’s data acquisition
products were the first to integrate signal
conditioning directly into the instrument.
Assign any measurement function— thermo-
couple, RTD, volts, frequency, or ohms—to
any or all channels.
• Removable universal input module
connects any signal. Our unique, patented
Universal Input Module allows you to connect
and measure virtually any electrical or phys-
ical parameter. Thermocouple reference junc-
tion compensation occurs automatically by
sensing the temperature of the input module’s
isothermal block. Virtually any combination of
sensor or signal lines may be connected to the
input module, which is plugged into the back
of the data acquisition unit. You can pre-wire
extra input modules at each test site and move
your data acquisition units from one location to
another.
• Rugged design for reliable performance.
Fluke data acquisition products are designed
to stand up to rugged industrial environ-
ments with some models operating from -20°C
to 60°C. A sturdy metal chassis effectively
shields against electromagnetic interference so
you can maintain high measurement accuracy
on low-level signals regardless of surrounding
noise. They are tested to stringent shock and
vibration standards and to withstand surges of
up to 1500 V input on most models. All units
conform to IEC, CSA, and CE standards.
• Isolated circuitry for top accuracy. Fluke
analog measurement circuitry is fully isolated
channel to channel, input to output, and input
to ground, supporting direct measurement of
voltages up to 300 V ac rms and are certified
to international Category II electrical safety
standards
• Scan triggers, including interval, push button,
external, and alarm triggers, scan all defined
channels.
• Mx+B scaling is available on each channel.
• Math Channels. All Fluke data acquisition
products have available math channels to allow
real-time calculations to your data file based on
results of other channel readings.
• Two alarms can be set for each channel.
• Real-time clock offers precise time stamping
of data.
• Closed-case calibration delivers reliability
and traceability.
2
The Fluke 2680 Series:
Precise and versatile standalone or
networked data acquisition
The Fluke 2680 Series delivers the precision
necessary for meticulous lab work along with the
rugged flexibility to meet the ever changing needs
of industrial applications. Run one standalone data
logging system with 20 to 120 universal channels or connect several networked data acquisition
systems to serve 2,000+ channels on your LAN.
The Fluke Hydra™ Series III:
Price-performance breakthrough in a
stand-alone data acquisition system
The Fluke Hydra Series III brings a new dimension
to viewing data on your instrument with its graph
color display with real-time charting capabilities.
Measurement accuracy at 0.0024 % continues the
Hydra series legacy of precision, multichannel data
acquisition.
The Fluke NetDAQ® Series:
Distributed, networked data
acquisition that works with what
you have
Distributed Fluke NetDAQ units plug right into your
existing networks to send data directly to a PC.
This saves the cost of setting up a new network
and allows multiple users to simultaneously view
data in real time. NetDAQ units can also be used as
a portable dedicated system connected to a laptop
computer for maintenance, product validation,
Hydra Series III NetDAQ 2680 Series
Universal
signal
conditioning
Basic dc
accuracy
PC interface USB; Ethernet Ethernet Ethernet
Channels per
mainframe/
system
Max channels/
second
research, and troubleshooting applications.
Yes Yes Yes
0.0024 % 0.01 % 0.01 %
66/2000+ 20/2000+ 120/2000+
46 1000 1000
Versatile software for easy setup
Powerful, flexible, and easy-to-use Fluke
DAQ software (2680A-APSW) included with
every 2680 Series and NetDAQ models, and
makes it easy to instantly configure your Fluke
Data Acquisition System with any mix of Hydra
SeriesIII, NetDAQ or 2680A Series product. Over
2000 channels can be configured with this
system. Fluke DAQ software can schedule and
record scan data to remote file locations, allow
multiple viewing via web browser and email alerts
to operators.
Optional Trend Link for Fluke software
provides comprehensive trend plotting, batching,
and analysis capabilities for the Hydra SeriesIII,
NetDAQ and 2680A systems using Fluke DAQ
software. It combines the look and feel of a chart
recorder with the analytical power of a PC.
33
2638A Hydra Series III
Data Acquisition System
The Fluke 2638A
Hydra Series III:
Key features
• DC accuracy of 0.0024 %
• Thermocouple accuracy of
0.5°C
• Up to 66 universal differential
isolated inputs
• On-screen color trend graphing
of up to four channels at a time
asy-to-use menu system for
•
E
setup and data management
•
ulti-channel real-time data
M
display
nput types: ac V, dc V, ac I, dc
•
I
I, thermocouple, PRT (2, 3, 4 w),
thermistor, resistance (2-4 w),
frequency
•
.5-digit bench DMM function
6
for front-panel inputs
onitor function for real-time
•
M
viewing and charting between
scans
•
20 on-board math channels
• One-button screen capture of
chart or data displays
6 channels/second basic dc
•
4
scan rate
nternal 75,000 scan/setup file
•
I
memory
•
USB flash drive support
• Data security features
• CAT II 300 V input safety rated
Industrial grade, precision data acquisition
DC measurement accuracy of
0.0024%, basic 0.5 °C thermocouple accuracy, full-color display,
easy-to-use menu system and
international Category II safety
ratings put the 2638A in a category
of its own as a truly industrial
grade, precision data acquisition
system. The dedicated 6.5 digit
digital multimeter (DMM) mode
adds additional utility and value.
The 2638A is expandable from
22 to 66 channels of differential
analog inputs. A flexible, 22-channel
Universal Input Connector lets you
connect and disconnect any type of
input to any channel, quickly and
easily. Selectable inputs include dc
voltage, ac voltage, resistance, thermocouple, RTD, thermistor, frequency
and dc and ac current. You can also
use the 2638A with FlukeDAQ software and other Fluke data loggers
to create a flexible, customized data
acquisition system with an almost
unlimited number of channels.
4
Universal input connector
The 2638A incorporates the Fluke
Universal Input Connector to bring
more accuracy to thermocouple
measurements than most other instruments in its class. The Universal Input
Connector supports 14 worldwide
thermocouple types. Temperaturefocused menu selections make
the 2638A especially suitable for
temperature validation applications. If
you need to “zero” a large number of
thermocouples to a known reference
temperature before starting a temperature profiling or validation test, the
2638A will normalize all readings to
your reference channel at the push
of a button and store the offsets
for reference in a supporting data
file. If you are conducting chamber
tests, heat treating tests under ASM
guidelines, or validating temperature
devices under 21 CFR regulations,
Hydra Series III makes it that much
easier to comply.
The Universal Input Connector
plugs into any open slot in the
2638A that contains a relay card.
The Universal Input Connector has
22 input channels (20 universal
inputs and 2 dedicated, low-burden
input current channels). Each input
connector contains a CJC (cold junction compensation) device, which is
calibrated at the factory. The calibration date and input connector serial
number are programmed into the
input connector and are read by the
2638A when installed. This information is saved in the test setup data
file, which is available for review
with any associated scan data from a
test setup. This feature is a valuable
form of traceability if you are working
in a regulated industry.
Wiring a test or system setup for
20 to 60 or more channels can be
time consuming. With the inexpensive
plug-in Universal Input Connector, you
can wire your system once, quickly
disconnect the connector from your
Hydra, and then reconnect the Hydra
to another input connector for use in a
different area.
Other data loggers require you
to wire your inputs directly to an
expensive “plug-in” active component
signal conditioning module. If you
need your instrument at another location for another test, you must remove
your wiring or use another expensive
plug-in signal conditioning module.
With Hydra Series III, all your signal
conditioning is inside the mainframe,
not in your input connector.
Using multiple low-cost Universal
Input Connectors gives you the flexibility to leave your input connector
at the test site, completely wired, and
ready to use. When you need data from
that site, simply “plug in” and load your
saved setup file. It’s that simple!
Expandable channel
capacity
Each 2638A has three slots in the
rear panel. Each slot can hold a relay
card and a 22-channel Universal Input
Connector. Three models are available,
from 22 channels to 66 channels per
mainframe. Select a base model with
22 channels and add 22-channel
expansion kits when needed. The low
cost per channel makes a 2638A a
good value for any budget.
5
5
Ordering
information
2638A/60
Data Acquisition Unit/DMM: 60 universal
channels (includes 3 relay boards,
2638A-RLY and 3 2638A-100 connectors
2638A /40
Data Acquisition Unit/DMM: 40 universal
channels (includes 2 relay boards,
2638A-RLY and two 2638A-100
connectors
2638A/20
ata Acquisition Unit/DMM: 20 universal
D
channels (includes one relay board,
2638A-RLY and one 2638A-100
connector
Power selection: Specify 100 V, 120V,
220 V, 240 V power when ordering
(power setting may be changed by the
end user)
Each 2638A is shipped with the relay
boards and Universal Input Connectors
installed, one DMM style test lead set,
product manual, safety information and
warranty registration on CD, power
cord, screwdriver, a traceable calibration
report with data, and 2680A-APSW/L
Fluke DAQ Lite Software.
Options and accessories
2638A-20chkit
20-channel Expansion Kit for 2638A:
(includes one relay board 2638A-RLY
and 2638A-100 connector)
2638A-100
Extra Universal Input Module for 2638A
2638A-RLY
xtra Relay Board for 2638A
E
(Replacement)
Y2638
-inch Rackmount, Single/Dual
19
Mounting
2638A-101
10 ohm Shunt Resistors (quantity
10 each) 100 mA max, 0.08 %
2638A-1GB
B USB Flash memory drive
1 G
2638A/CASE
638A Transit Case
2
Accredited Calibration Certificate
17025: add option/C to model
Software
2680A-APSW/LU
Upgrade from Lite version to full version
of Fluke DAQ Software, 2680A-APSW
2680A-904
Trend Link for Fluke Data Acquisition
Products (requires 2680A-APSW)
On-board math
channels
The 2638A has 20 on-board math
channels with two alarms per
channel to allow you to perform
conversions and other calculations
as your data is scanned. All channel
results are stored in the data file
for later analysis plus you have the
ability to set alarms on the calculated results of a math channel.
Math functions available:
S
•
quare root
• Polynomial (6th order)
• Exponent
• Absolute value
R
•
eciprocal
• Multiply/Divide
• Add/Subtract
• Average (up to 10 channels)
• Minimum (up to 10 channels)
Maximum (up to 10 channels)
•
• Log 10
• Natural Log
Graphical color display
with easy-to-use menus
Never get lost again in a complex
menu tree while configuring channels or setting up a test. The large,
full color, thin film diode (TFD)
display enables the Hydra SeriesIII
to display comprehensive easy-tounderstand data and easy menu
navigation. Back-lighted function
keys quickly confirm the active menu
selection. The “Record” key illuminates to indicate when the 2638A
is recording data in scan, monitor or
DMM mode. You always have visible
confirmation when your data is being
recorded.
Copy-and-paste channel functions
make repetitive channel setups a
simple task. Top-of-screen menu bar
headings always let you know where
you are in the setup process.
View your data with the push of a
button. Page through all channel data
and alarms in a quick view mode or
scroll through channels and channel
statistics individually. Statistics
include rate of change, min, max,
standard deviation, average, sample
size and peak-to-peak information.
Language support
All displayed text in the menus and
data display area are translated to
eight languages. You can change
the language under the instrument
setup area with the push of a button.
French, Spanish, Japanese, German,
Korean, English, Portuguese, Chinese
and Russian are all supported
languages in the 2638A.
DMM mode adds
functionality and value
The Hydra Series III is based on a
6.5 digit (22-bit) precision digital
multimeter measurement engine with
exceptional measurement quality and
resolution—so when you are not using
your Hydra to collect multi-channel
data, you can use it as a digital
multimeter. Front-panel “DMM-style”
input jacks and dedicated DMM menu
selections enable you to measure dc
voltage, dc resistance, ac voltage,
ac resistance, ohms, frequency,
and temperature (thermocouples,
RTDs and thermistors). Record DMM
measurements to a separate DMM
data file for later viewing. The 2638A
also displays measurement statistics
and graphs measurements right on
the main display.
6
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