NI (National Instruments) NI-9238 ±500 mV, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module

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NI (National Instruments) · C Series

NI-9238

The NI-9238 is a four-channel C Series voltage input module with a ±500 mV differential input range and 24-bit resolution. It supports simultaneous sampling at up to 50 kS/s per channel.

ManufacturerNI (National Instruments)

ModelNI-9238

Part Number783311-01 · 789130-01

Product Type±500 mV, 50 kS/s/ch, 24-Bit, Simultaneous Input, 4-Channel C Series Voltage Input Module

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Max Differential Analog Input Channels4

Supported Hardware PlatformC Series

Analog Input Voltage Range-500 mV to 500 mV

Analog Input Resolution24 bits

Maximum Sample Rate50 kS/s/ch

Analog Input Isolation250 Vrms Ch-Ch Isolation

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Overview

Product overview

Key product information and technical features.

The NI-9238 acquires low-level voltage signals through four differential analog input channels. Its ±500 mV input range, 24-bit resolution and simultaneous sampling support measurement of multiple signals on a common acquisition timeline.

The module uses the C Series interface and includes anti-alias filtering and 250 Vrms channel-to-channel isolation. Consult the NI specifications and getting-started guide for wiring, measurement limits and system integration requirements.

Four differential analog input channels with a ±500 mV input range.
24-bit analog input resolution.
Simultaneous sampling at up to 50 kS/s per channel.
Anti-alias filtering.
250 Vrms channel-to-channel isolation.
Enclosed design with a specified operating temperature range of -40 °C to 70 °C.

Verified specifications

Technical data

Verified product specifications.

Maximum Number of Differential Analog Input Channels	4
Supported Hardware Platform	C Series
Conformal Coated	No
Analog Input Voltage Range	-500 mV to 500 mV
Enclosed	Yes
Analog Input Resolution	24 bits
Maximum Sample Rate	50 kS/s/ch
Analog Input Isolation	250 Vrms Ch-Ch Isolation
Simultaneous Sampling	Yes
Bus Connection	C Series
Filtering	Anti-Alias
Operating Temperature Range	-40 °C to 70 °C
NI part numbers	783311-01, 789130-01

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NI

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C Series

Supported Hardware Platform

NI-9238

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

What voltage range does the NI-9238 measure?

The NI-9238 has a -500 mV to 500 mV differential analog input range across four channels.

Does the NI-9238 sample all channels simultaneously?

Yes. It supports simultaneous sampling at a maximum rate of 50 kS/s per channel with 24-bit resolution.

Does the NI-9238 include filtering and isolation?

Yes. It provides anti-alias filtering and 250 Vrms channel-to-channel analog input isolation. Consult the official specifications for complete isolation ratings and operating limits.

Which part numbers are listed for the NI-9238?

The existing verified catalog data lists NI part numbers 783311-01 and 789130-01. Confirm the exact part-number configuration when selecting a module.