EPU357 Conductivity isoPod™ with USB

Suitable for most 2-electrode conductivity probes
Direct USB connection to computer, optional serial RS232 connectivity
Graphic and tabular display with Pod-Vu software
Electrical Isolation minimizes noise and crosstalk
Input ranges 2uS to 200mS
For conductivity, specific conductivity, TDS

Unit Price: $ (USD) 685.00

Overview
Applications
Photos & Videos
Specifications
More Information

This isoPod is suitable for continuous monitoring of solution conductivity with a two electrode conductivity probe.

Connects directly to computer USB port, or via a USB hub, using eDAQ Pod-Vu software to log and graph signals directly to a Windows XP or later computer.

Note that Pod-Vu software is shipped with USB isoPods and can be used without a license with a single isoPod. You must purchase a license to use Pod-Vu software with two or more isoPod units on a single computer.

Customised software

You can also write your own recording, or process control, software using the 'virtual serial protocol' provided over the isoPod's USB interface. The serial protocol can be accessed by:

writing your own software, for example in LabView, C#, Visual Basic, etc.
terminal emulation software compatible with serial (COM) ports, eg TeraTerm, HyperTerminal.
other serial (COM) port compatible software that can log responses into a file or Excel document, eg WinWedge, HyperAccess.

Citations

Improved desalination by zinc oxide nanorod induced electric field enhancement in capacitive deionization of brackish water. Karthik Laxman, Myo Tay Zar Myint, Rashid Khan, Tasneem Pervez, Joydeep Dutta, Desalination 359, 64–70, 2015. DOI: 10.1016/j.desal.2014.12.029

Effect of a semiconductor dielectric coating on the salt adsorption capacity of a porous electrode in a capacitive deionization cell. Karthik Laxmana, b, Myo Tay Zar Myinta, Rashid Khanc, Tasneem Pervezc, Joydeep Duttaa https://doi.org/10.1016/j.electacta.2015.03.049

Videos

The isoPods for Recording Temperature, pH, Conductivity and Dissolved Oxygen

Serial Port Monitor for hardware which use serial ports (isoPods, HVS)

View more related videos on the Screencast Training Videos Wiki

Input Socket: BNC
Ranges: 2, 20, 200 µS, 2, 20, 200 mS
AC waveform: Square pulse, 20 or 200 mV p-p
AC frequency: 0.5, 1.0 or 10 kHz
Isolation: > 250 Vrms
Size: 108 x 58 x 35 mm; 200 g

Calibration Tips

Always use a calibration solution that has a conductivity within a factor of 10 of value of the unknown samples
Ideally the calibration and unknown samples should be measured on the same gain range setting. Often this requires making calibration measurements on each of the gain ranges of the isoPod. The calibration reading should be in the top half of the gain range.
Use an appropriate calibration factor for measuring each unknown solution.

More Information

EPU357_Conductivity_USB_isoPod (210 KB PDF)

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Also see:

ET901 Conductivity Probe, k=0.1

ET902 Conductivity Probe, k=1

ET903 Conductivity Probe, k=10

ET915 Miniature Dip-In Conductivity Electrode

ET908 Flow-Thru Conductivity Electrode (93 µL)

ET916 Flow-Thru Conductivity Electrode (17 µL)

ES350 Pod-Vu Software