View the DI-8B Module Selection Guide
DI-8B modules are an optimal solution for monitoring real-world process signals and providing high level signals to a data acquisition system. Each DI-8B36 module isolates, filters and amplifies a single channel of potentiometer input and provides an analog voltage output.
Excitation for the potentiometer is provided by using two matched current sources. When using a 3-wire connection, this method allows equal currents to flow through the sensor leads, cancelling the effects of lead resistances. The excitation currents are small (0.25mA) which minimizes the self-heating of the potentiometer.
Signal filtering is accomplished with a three-pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz. One pole of this filter is on the field side of the isolation barrier for anti-aliasing, and the other two are on the system side.
A special input circuit on the DI-8B36 module provides protection against accidental connection of power-line voltages up to 240VAC. Clamp circuits on the I/O and power terminals protect against harmful transients.
The modules are designed for installation in Class I, Division 2 hazardous locations and have a high level of immunity to environmental noise.
Check out our add-on software:
WinDaqXL This WinDaq Software data acquisition add-on allows you to port acquired data directly into a Microsoft Excel Spreadsheet in real time. 60-day Trial Version available. Also check out the DATAQ Developer Network to learn how to use our ActiveX controls with Microsoft Excel and Access. |
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WinDaq/MySQL This free WinDaq Software data acquisition add-on allows you to port acquired data directly into a MySQL database in real time. |
| Part # | Price | Order |
| DI-8B36-01 1 to 100Ω |
$113 | |
| DI-8B36-02 0 to 500Ω |
$113 | |
| DI-8B36-03 0 to 1kΩ |
$113 | |
| DI-8B36-04 0 to 10kΩ |
$113 | |
| Accessories Backplanes and Power Supplies. |
N/A | Go to Accessories |
Note: Pricing outside the U.S. will be higher to account for shipping, taxes, duty, currency fluctuation, local warranty and technical support in your country.
DI-8B Signal Conditioners have typical lead times of 2 weeks ARO.
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