National Instruments NI-9236

The National Instruments NI-9236 is a high-performance C Series Strain/Bridge Input Module designed for precise measurement applications. This module features eight differential analog input channels with a 24-bit ADC resolution, enabling a minimum sampling rate of 794 samples per second, and the capability to simultaneously acquire data at rates up to 10 kS/s per channel. With a broad input range of ±29.4 mV/V, it effectively supports strain gauge measurements for resistances up to 350 Ω and ensures high common-mode noise rejection with its 60 VDC isolation. The NI-9236 is available in three variants: the standard version (part number 779994-01), a conformal coated version (779994-02) for enhanced protection, and part number 785996-01 specifically for bridge/strain input applications.

Constructed to endure harsh environments, the device operates within a temperature range of -40 °C to 70 °C and is capable of withstanding shocks of up to 50 g and vibrations of 5 g. For applications involving high vibrations, the use of the NI-9965 backshell kit is recommended. The module provides a regulated 3.3 V ± 1% excitation voltage with a maximum output current of 46 mA, ensuring stability even during transient conditions such as gauge shorts. With a power consumption of up to 675 mW in active mode and minimal consumption of 25 μW in sleep mode, the NI-9236 is efficient and reliable.

The device features spring terminal front connectors suitable for 18 AWG to 28 AWG copper conductors with a stripping length of 7 mm. Weighing 5.4 oz., this module is designed to integrate seamlessly with National Instruments CompactRIO, CompactDAQ, and other C Series hardware. Additionally, it is supported by comprehensive documentation, including user and maintenance manuals available for download, and is backed by a three-year warranty. For pricing and further inquiries, please contact a sales representative.