DATAQ Instruments, Inc.

DI-8B38 Strain Gage Input Modules

Wide (3kHz) and Narrow (3Hz) Bandwidth
DI-8B Industrial Signal Conditioning Data Acquisition Module

Datasheet (PDF)
Models and Prices
Compatible Products
Accessories
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Product Highlights
Application Notes
Hardware Selection Guide
DI-8B Modules

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Description Store

DI-8B38-01 (3kHz BW)
Input Range: -10mV to +10mV
Exc.: +3.333V

Sens.: 3mV/V

Output Range: ±5V

Price: $102 US

Quantity:

DI-8B38-31 (3Hz BW)
Input Range: -10mV to +10mV
Exc.: +3.333V

Sens.: 3mV/V

Output Range: ±5V

Price: $102 US

Quantity:

DI-8B38-02 (3kHz BW)
Input Range: -30mV to +30mV
Exc.: +10V

Sens.: 3mV/V

Output Range: ±5V

Price: $102 US

Quantity:

DI-8B38-32 (3Hz BW)
Input Range: -30mV to +30mV
Exc.: +10V

Sens.: 3mV/V

Output Range: ±5V

Price: $102 US

Quantity:

DI-8B38-05 (3kHz BW)
Input Range: -20mV to +20mV
Exc.: +10V

Sens.: 2mV/V

Output Range: ±5V

Price: $102 US

Quantity:

DI-8B38-35 (3Hz BW)
Input Range: -20mV to +20mV
Exc.: +10V

Sens.: 2mV/V

Output Range: ±5V

Price: $102 US

Quantity:
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.

DI-8B38 Highlights

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-8B38 module isolates, filters and amplifies a full-bridge strain gage input signal and provides an analog voltage output.

The 8B38 can interface to tranducers with a nominal resistance of 100Ω to 10kΩ. Bridge excitation is provided from the module with a stable 10.00V or 3.33V source. Full scale sensitivities of 2mV/V and 3mV/V are offered as standard.

Signal filtering is accomplished with a five-pole filter optimized for time and frequency response which provides 100dB per decade of normal-moderejection above the filter cutoff frequency. One pole of this filter is on the field side of the isolation barrier for anti-aliasing, and the other four are on the system side.

A special input circuit on the DI-8B38 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.

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.

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