USB Data Acquisition Modules from IOtech

Multifunction data acquisition modules attach to PCs via Universal Serial Bus (USB 1.0 & 2.0 compatible)
Ultra low-power design requires no external power or batteries
Can be located up to 5 meters (16.4 feet) from the PC
High-resolution, 22-bit A/D converter offers reading rates from 1 to 80 Hz
Built-in cold-junction compensation for direct thermocouple measurements
Frequency/pulse, or duty-cycle measurements up to 1 MHz*
Convenient removable screw-terminal signal connections
500V optical isolation from PC for safe and noise-free measurements
Programmable inputs from ±31 mV to ±20V full scale
Digital I/O lines with open collector output for direct drive applications*
Expandable up to 80 channels of analog and digital I/O*
Up to 100 Personal Daq modules can be attached to one PC using USB hubs, for a total capacity of 8,000 channels
Digital calibration — no potentiometers or adjustments required

* The Personal Daq/54 does not have frequency, digital I/O, or expansion capability

** Dependent upon sample rate
† Additional TC channels are available when adding PDQ expansion options

Personal DaqView, spreadsheet-style software for Out-of-the-Box setup, acquisition, and real-time display
PostView for post-acquisition data viewing
Support for Visual Basic^®, C/C++, LabVIEW^®, and DASYLab^®

Complete Information

To access complete product information in PDF format Please Click Here. (Updated 7-25-07)

Application Notes

Jet Engine Testing: The MiniLab™ Gas Turbine Power System, specifically intended for universities and technical institutes around the world contains an embedded IOtech Personal Daq data acquisition system and is being used both as a teaching tool and as a test stand for numerous research projects.
Ceramic Kiln Temperature Testing: A leading US kiln manufacturer, uses IOtech's Personal Daq for measuring internal kiln temperatures to ensure uniform heat distribution.
Exercise Machine Monitoring: IOtech Personal Daq data acquisition systems gather in-flight data from NASA Johnson Space Center’s new Advanced Resistive Exerciser Device aboard the orbiting space station.
Diesel Aircraft Engine Testing: IOtech's Personal Daq data acquisition system tests new experimental diesel engines for personal aircraft.
Video Signal Alarm Monitoring: A company uses Personal Daq/56 modules and DASYLab^® software to look for several types of common video failures, including frozen images, lost video signals, or completely black, green, or blue screens.

Tech Tips

Tech Tip 60801 - How to Determine Measurement Accuracy, Resolution, and Sensitivity using IOtech Instruments: Accuracy, resolution, and sensitivity are not always supplied with a data acquisition system’s specification, but frequently, they can be calculated using the techniques described in this
Tech Tip for IOtech hardware.
Tech Tip 60601 - Basic Temperature Measurements using IOtech DAQ Hardware: This Tech Tip describes the techniques used to measure temperature with thermocouples, RTDs, and thermistors, how to achieve accurate results, and the unique characteristics of the various signal conditioners required for each type.
Tech Tip 60201 - Grounding and Shielding Considerations for Thermocouples, Strain Gages, and Low-Level Circuits: This Tech Tip describes a procedure for maintaining a high signal-to-noise ratio environment when connecting sensors and other devices that deliver very low output voltages to data acquisition systems and signal conditioners. The technique addresses noise interference from ground loop circuits as well as induced signals.