DI-8B33 Isolated True RMS Input Modules
100mV to 300V RMS Input Range
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Product Highlights
- Interfaces RMS Voltage (100mV to 300V)
- Designed For Standard Operation With Frequencies of 45Hz to 1kHz (Extended Range to 20kHz)
- Compatible With Standard Current and Potential Transformers
- ±0.25% Factory Calibrated Accuracy (Accuracy Class 0.2)
- 1500 VRMS Continuous Transformer Based Isolation
- Input Overload Protected to 480V Max (Peak AC and DC) or 10A RMS Continuous
- ANSI/IEEE C37.90.1-1989 Transient Protection
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-8B33 module isolates, filters and amplifies a True RMS input signal and provides an analog voltage output.
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-8B33 module provides protection against accidental connection of power-line voltages up to 30VAC.
Isolation is provided by optical coupling to suppress transmission of common mode spikes or surges. The module is powered from +5VDC, ±5%.
The modules are designed for installation in Class I, Division 2 hazardous locations and have a high level of immunity to environmental noise.
Want to port your data into a spreadsheet or a database?
Check out our add-on software:
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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. |
Ordering Information, Models, and Prices
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| Part Number |
Description |
Price
(US) |
DATAQ Store |
| DI-8B33-01 |
0mV to 100mV input range. |
$169 |
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| DI-8B33-02 |
0V to 1V input range. |
$169 |
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| DI-8B33-03 |
0V to 10V input range. |
$169 |
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| DI-8B33-04 |
0V to 150V input range. |
$169 |
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| DI-8B33-05 |
0V to 300V input range. ONLY for use with 8BP Backplanes. |
$169 |
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| 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.
Software
Compatible data acquisition systems use the following software packages. Be sure to check your hardware datasheet to verify software compatibility. |
 WinDaq/Lite
Data Acquisition Recording and Playback Software (FREE)
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WinDaq/HS
High Speed Data Acquisition Recording and Playback Software |
WinDaq/Pro
High Speed Data Acquisition Recording and Playback Software. |
WinDaq/Pro+
High Speed Data Acquisition Recording and Playback Software allowing you to sample different channels at different rates. |
 WinDaq/XL
Ports data directly to Windows Excel
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 ActiveX Controls
For programming solutions (FREE)
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Compatible Products |
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DI-788 Features 32 channels designed specifically for DI-8B modules, 14-bit resolution, and up to 180 kHz sample throughput rate. |
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DI-718B Data Logger Features 8 channels designed specifically for DI-8B modules, 14-bit resolution, up to 10 kHz sample throughput rate, and a stand-alone data logger option. |
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DI-718Bx Data Logger Features 16 channels designed specifically for DI-8B modules, 14-bit resolution, up to 10 kHz sample throughput rate, and a stand-alone data logger option. |
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DI-78B Backpack 8B module expansion device for DI-720, DI-722, and DI-730 instruments featuring 8 channels designed specifically for DI-8B modules |
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General DI-8B Module Datasheet (pdf)
How to Export Recorded Data to Excel
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