2638A Hydra Series III Data
Acquisition System
A price performance breakthrough in
standalone data acquisition system
The Fluke Hydra Series III continues the Hydra
Series legacy in data acquisition. This new Hydra
Series improves on the long standing, industry
leading specification of best-in-class thermocouple
accuracy. With basic dc measurement accuracy
of 0.0024 %, 0.5 °C thermocouple accuracy, color
trend display, easy-to-use menu system and world-
class industrial safety ratings, the 2638A is a truly
industrial grade, precision data acquisition system.
Expandable from 22 to 66 channels of analog
differential measurement, the Hydra 2638A offers
the flexibility of our Universal Input Connector,
which allows quick connect and disconnect of any
type of input to any channel. AC and dc voltage,
resistance, thermocouple, RTD, thermistor, frequen-
cy and dc and ac current are all selectable inputs
for the 2638A. If your measurement need is from
under twenty channels to over sixty-six channels
per unit or thousands of channels per system, we
have you covered.
• DC accuracy of 0.0024 %
• Best-in-class thermocouple accuracy of 0.5 °C
• Up to 67 universal differential, isolated inputs
• On-screen color trend graphing
• Easy menu system for setup and data
management
• Multi-channel real-time data display
• 6.5 digit DMM function selections
• Monitor function for real-time viewing and
charting between scans
• 20 on-board separate math channels
• 45 channels/sec basic dc scan rate
• Internal 75,000 scan memory plus USB drive port
• Data security features
• CAT II 300 V input safety rated
Fluke DAQ 6.0 Application Software
A powerful and versatile application
for quick and easy configuration,
data logging and analysis using
Fluke data acquisition products
Fluke DAQ is praised by users for its versatile
handling of data acquisition and logging. Improved
trending, file handling, added web interface, web
control, convenient print functions for charts and
graphs and multiple language improvements make
Fluke DAQ version 6 a feature-rich application that
you can trust with your important data and analysis
needs.
Fluke DAQ features easy multi-unit
configuration, data logging and analysis
for any of these products:
• 2638A Hydra Series III Data Acquisition
System/Digital Multimeter
• 1586A Super-DAQ Precision Temperature Scanner
• 2640A and 2645A NetDAQ
®
Networked Data
Acquisition Units
• 2680 Series Data Acquisition Systems
Product highlights
www.flukecal.com
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Data acquisition