4 simultaneously sampled analog inputs 24-bit resolution with NIST-traceable calibration Programmable half- and full-bridge completion Quarter-bridge completion with external accessory (sold separately) Up to 10 V internal excitation Smart-sensor (TEDS) compatible
The National Instruments USB-9237 is a four-channel analog input device designed for sensors such as strain gages, pressure transducers, load cells, and other bridge-based measurements. No external power or excitation is needed because the NI USB-9237 is bus-powered and has built-in excitation of up to 10 V for the connected sensors. Please see the manual for specifications on excitation because different loads affect available excitation. The standard RJ50 connectors on the USB-9237 are used for mass termination. Crimping an RJ50 connector onto a sensor, which is similar to crimping a standard network cable, provides for quick connection of the sensor to the module. For screw terminals without the quarter-bridge completion, purchase the NI 9949 and a kit of RJ50 cables (quantity of 4). This setup exposes all 10 pins for each channel as screw terminals. The NI 9944 and NI 9945 are accessories for use with quarter-bridge sensors. These accessories have a female RJ50 connector on one end and screw terminals on the other end. Purchase these accessories with a kit of RJ50 cables (quantity 4).
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Additional Product Information
Specifications Summary
General
Product Name
USB-9237
Product Family
Signal Conditioning
Form Factor
USB
Operating System/Target
Windows
LabVIEW RT Support
No
Measurement Type
Bridge-based sensor
, Strain gauge
Isolation Type
Ch-Earth Ground Isolation
RoHS Compliant
Yes
Signal Conditioning
Bridge completion
, Voltage excitation
, Anti-aliasing filter
Analog Input
Channels
0
, 4
Single-Ended Channels
0
Differential Channels
4
Resolution
24
bits
Sample Rate
50 kS/s
Max Voltage
25.0
V
Maximum Voltage Range
25.0
, -25.0
V
Maximum Voltage Range Accuracy
112.500 mV
Minimum Voltage Range
25 V
, -25 V
Minimum Voltage Range Accuracy
112.500 mV
Simultaneous Sampling
Yes
Excitation Voltage
2.500
, 3.300
, 5.0
, 10.0
V
Bridge Configurations
Half Bridge
, Full Bridge
Analog Output
Channels
0
Digital I/O
Bidirectional Channels
0
Input-Only Cannels
0
Output-Only Channels
0
Number of Channels
0
, 0
, 0
Counter/Timers
Counters
0
Physical Specifications
Length
12.100
cm
Width
8.600
cm
Height
2.500
cm
I/O Connector
RJ50
Minimum Operating Temperature
0.0
°C
Maximum Operating Temperature
60.0
°C
Minimum Storage Temperature
-40.0
°C
Maximum Storage Temperature
85.0
°C
Select your application need to see compatible software options for the NI USB-9237.
Graphical Programming
Text-Based Programming
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Other compatible software: ANSI C/C++, C#, Visual Basic .NET
Graphical Programming
Text-Based Programming
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
Other compatible software: ANSI C/C++, C#, Visual Basic .NET
Graphical Programming
Text-Based Programming
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
Other compatible software: ANSI C/C++, C#, Visual Basic .NET
Graphical Programming
Text-Based Programming
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
Other compatible software: ANSI C/C++, C#, Visual Basic .NET
Graphical Programming
Text-Based Programming
You have selected United States as the country where you will use the product(s) (change ).
You have selected United States as the country where you will use the product(s) (change ).
Other compatible software: ANSI C/C++, C#, Visual Basic .NET
Driver Software