Description
The NI-9235 is a C Series Analog Input module with a part number of 785995-01. This device features an 8-channel quarter-bridge input specifically designed for a wide range of measurement applications. Each channel of the NI 9235 is capable of a sample rate of 10 kS/s, providing precise and rapid data acquisition.
The input range of the module is ±29.4 mV/V, allowing for accurate measurements across a wide span of sensor outputs. It is specifically engineered for 120 Ω Quarter-Bridge Strain Gage measurements, making it an ideal choice for structural engineering, mechanical testing, and materials science applications.
One of the key advantages of the NI-9235 is its robust isolation features. The module offers up to 60 VDC of continuous isolation and can withstand 1,000 Vrms transient conditions, ensuring the safety and reliability of the data acquisition process. Furthermore, the device is equipped with overvoltage protection of ±30 V between any two terminals, safeguarding the module and connected equipment from unexpected voltage spikes.
The NI-9235 also includes an integrated excitation output, supplied to all eight channels, which simplifies the setup for strain gage measurements. Each channel boasts an independent 24-bit ADC, ensuring high-resolution data capture for each measurement channel.
Operational integrity is further enhanced by the module’s ground isolation feature, which allows it to operate in isolation from earth ground, reducing the risk of ground loops and ensuring more accurate measurements. Additionally, the module supports shunt calibration through a software-enabled switch with a precision resistor per channel, facilitating easy and precise calibration of the measurement system.
In summary, the NI-9235 SPRING TERMINAL, 8 CHANNEL QUARTER-BRIDGE INPUT module offers a comprehensive solution for high-precision strain, force, and pressure measurements. Its advanced features and robust design make it a versatile and reliable choice for a wide range of applications.
| Feature | Description |
|---|---|
| Part Number | 785995-01 |
| Category | C Series Analog Input |
| Model | NI-9235 |
| Description | NI 9235 SPRING TERMINAL, 8 CHANNEL QUARTER-BRIDGE INPUT |
| Channels | 8-Channel |
| Sample Rate | 10 kS/s/channel |
| Input Range | ±29.4 mV/V |
| Measurement Type | 120 Ω Quarter-Bridge Strain Gage |
| Isolation | Up to 60 VDC continuous, 1,000 Vrms transient |
| Overvoltage Protection | ±30 V between any two terminals |
| Excitation Output | Integrated, supplied to all eight channels |
| ADC Type | Independent, 24-bit per channel |
| Ground Isolation | Operates in isolation from earth ground |
| Shunt Calibration | Software-enabled switch with a precision resistor per channel |
Question 1: What is the part number of the NI-9235?
Answer 1: 785995-01
Question 2: How many channels does the NI-9235 have?
Answer 2: 8-channel quarter-bridge input
Question 3: What is the sample rate per channel for the NI-9235?
Answer 3: 10 kS/s
Question 4: What type of measurements is the NI-9235 designed for?
Answer 4: 120 Ω Quarter-Bridge Strain Gage measurements
Question 5: What isolation voltage can the NI-9235 withstand?
Answer 5: 1,000 Vrms transient conditions




