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NI 9235, NI 9236

8-Channel Quarter-Bridge Strain Gage Modules

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  • 24-bit, simultaneous ADCs
  • 10 kS/s/ch dynamic strain measurements
  • Built-in voltage excitation for quarter-bridge sensors
  • 120 Ω strain gage measurements with the NI 9235
  • 350 Ω strain gage measurements with the NI 9236
Data Sheet  |   Configure System popup

NI 9235 and 9236 quarter-bridge strain gage modules are designed for higher-channel-count, dynamic strain measurement systems based on NI CompactDAQ, CompactRIO, or other compatible C Series hardware. With eight simultaneous channels per module, you can make more measurements with a smaller, more channel-dense system. Simultaneous sampling is important for higher-speed acquisitions where it is necessary to compare results from different locations at a particular instant in time, such as impact tests.

For a bridge-based module with a higher sampling speed or the ability to implement full- and half-bridge as well as quarter-bridge measurements, try the NI 9237 C Series simultaneous bridge module.

Data Sheet | View Pricing and Purchasing Information »

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Module Accessories   Chassis, Controllers, Modules Software & Services
Step 1: Verify Device and Quantity Selection
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
  8-Channel Quarter-Bridge Strain Gage      
779993-01 120ohm, 1/4 Bridge Input Module
NI Recommended		 5 - 10 $ 1,499.00
779994-01 350ohm, 1/4 Bridge Input Module 5 - 10 $ 1,499.00

Each NI 9235 requires: 1 Connectivity Accessory

NI 9235 Connectivity Accessory
Step 2: Select Connectivity Accessory
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Spring Terminals
780216-01 NI 9965 Backshell for 24-pos spring term connector block (qty 1)
NI Recommended		 5 - 10 $ 29.00
780542-01 NI 9966 24-pos spring term connector block (qty 1) 5 - 10 $ 29.00
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Specifications Documents


Specifications Summary

General 
Form FactorCompactDAQ, CompactRIO
Operating System / TargetWindows
Measurement TypeBridge-based sensor
Isolation TypeCh-Earth Ground Isolation
Analog Input 
Number of Channels8 DI
Sample Rate10 kS/s/ch
Bandwidth4.5 kHz
Resolution24 bits
Simultaneous SamplingYes
Maximum Bandwidth4.5 kHz
Maximum Voltage Range-29.4..29.4 mV_V
      Range Accuracy.02957 mV/V
Signal ConditioningAnti-aliasing filter, Bridge completion, Voltage excitation
Excitation Voltage2 V
Bridge ConfigurationsQuarter Bridge
Analog Output 
Number of Channels0
Digital I/O 
Number of Channels0
Counter/Timers 
Number of Counter/Timers0

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