DI-8B47 Linearized Thermocouple Input Modules
Types J, K, and T
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Product Highlights
- Interfaces to Thermocouple Types J, K and T
- Linearizes Thermocouple Signal
- High Level Voltage Outputs
- 1500Vrms Transformer Isolation
- ANSI/IEEE C37.90.1
- Input Protected to 240VAC Continuous
- 120dB CMR
- 70dB NMR at 60Hz
- Low Drift with Ambient Temperature
- Accurate CJC -40°C to +85°C
- CSA, FM, and CE Certifications Pending
- Mix and Match Modules
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-8B47 module isolates, filters, amplifies, and linearizes a single channel of temperature input from a thermocouple and provides an analog voltage output.
Linearization is accomplished using a four breakpoint piecewise linear approximation.
The DI-8B47 can interface to industry standard thermocouple type J, K, and T and has an output signal of 0V to +5V. Each module is cold-junction compensated to correct for parasitic thermocouples formed by the thermocouple wire and screw terminals on the mounting backpanel. Upscale open thermocouple detect is provided by an internal pull-up resistor.
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-8B47 module provides protection against accidental connection of power-line voltages up to 240VAC.
The modules are designed for installation in Class I, Division 2 hazardous locations and have a high level of immunity to environmental noise.
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Check out our add-on software:
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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 |
Thermocouple Type |
Input Range |
Accuracy* |
Price
(US) |
DATAQ Store |
| DI-8B47J-01 |
J |
0°C to +760°C (+32°F to +1400°F) |
±1.82°C |
$113 |
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| DI-8B47J-02 |
J |
-100°C to +300°C (-148°F to +572°F) |
±0.96°C |
$113 |
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| DI-8B47J-03 |
J |
0°C to +500°C (+32°F to +932°F) |
±1.05°C |
$113 |
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| DI-8B47J-12 |
J |
-100°C to +760°C (-148°F to +1400°F) |
±2.10°C |
$113 |
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| DI-8B47K-04 |
K |
0°C to +1000°C (+32°F to +1832°F) |
±2.40°C |
$113 |
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| DI-8B47K-05 |
K |
0°C to +500°C (+32°F to +932°F) |
±1.05°C |
$113 |
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| DI-8B47K-13 |
K |
-100°C to +1350°C (-148°F to +2462°F) |
±3.60°C |
$113 |
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| DI-8B47K-14 |
K |
0°C to +1200°C (+32°F to +2192°F) |
±2.88°C |
$113 |
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| DI-8B47T-06 |
T |
-100°C to +400°C (-148°F to +752°F) |
±2.40°C |
$113 |
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| DI-8B47T-07 |
T |
0°C to +200°C (+32°F to +392°F) |
±0.75°C |
$113 |
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| Accessories |
Backplanes and Power Supplies. |
N/A |
Go to Accessories |
*Includes conformity, hysteresis, and repeatability. Does not include CJC accuracy.
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 180KHz 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 14.4KHz 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 14.4KHz sample throughput rate, and a stand-alone data logger option. |
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DI-78B Backpack 8B module expansion device for DI-715B, DI-720, DI-722, and DI-730 instruments featuring 8 channels designed specifically for DI-8B modules |
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Data Acquisition Product Links
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Data Acquisition | Data Logger | Chart Recorder | Thermocouple | Oscilloscope | Load Cell | Pressure Sensor
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DI-8B47 Datasheet (pdf)
General DI-8B Module Datasheet (pdf)
How to Export Recorded Data to Excel
