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NI SCXI-1125

8-Channel Isolation Amplifier

  • Programmable gain and filter settings
  • Programmable offset calibration
  • NI-DAQmx Measurement Services software to simplify configuration and measurements
  • 300 Vrms working isolation per channel
  • SCXI-1600 (USB) is recommended for controlling this module; also compatible with M Series
  • Signal inputs from ±2.5 mV to ±300 V
Data Sheet  |   Configure System popup

Use SCXI Advisor to configure an SCXI data acquisition system based on this module.

The National Instruments NI SCXI-1125 provides 300 Vrms of working isolation and lowpass filtering for each analog input channel. The NI SCXI-1125 architecture is ideal for amplification and isolation of millivolt sources, volt sources, 0 to 20 mA, 4 to 20 mA, and thermocouples. The module can multiplex these eight channels into a single channel of the DAQ device, and you add modules to increase channel count. The module also offers parallel mode operation for increased scan capability.

The SCXI-1600USB data acquisition module can be used in conjunction with this module to create a completely plug-and-play USB data acquisition system. An SCXI chassis is required to house the SCXI-1600 and assorted SCXI modules for a particular system. The SCXI-1000 chassis is capable of holding up to four modules while the SCXI-1001 can hold up to 12.

most popular item most popular item(s)
Part Number Description Est Ship  US Dollars Qty
NI SCXI-1125
776572-25most popular item SCXI-1125 8 ch Programmable Isolated Input Module5 - 10$ 1,649.00
777687-27SCXI-1327 High-Voltage Attenuator Terminal Block, Cast10 - 15$ 369.00
Complete your SCXI Data Acquisition System with USB Connectivity
776572-1600NI SCXI-1600, USB Data Acquisition and Control Module5 - 10$ 1,199.00
776570-01most popular item SCXI-1000 4-Slot Chassis, U.S. 120 VAC5 - 10$ 829.00

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Specifications Documents


Specifications Summary

General 
Form FactorSCXI
Operating System / TargetWindows, Real-Time, Linux
Measurement TypeCurrent, Thermocouple, Voltage
LabVIEW RT SupportYes
Isolation TypeCh-Ch Isolation
Analog Input 
Number of Channels8 DI
Sample Rate333 kS/s/ch
Bandwidth10 kHz
Simultaneous SamplingYes
Maximum Bandwidth10 kHz
Input Impedance1 GOhm
Maximum Voltage Range-300..300 V
Minimum Voltage Range-2.5..2.5 mV
Signal Conditioning0-20 mA current input, Cold-junction compensation, Low-pass filtering
Available Filters10 kHz, 4 Hz
Analog Output 
Number of Channels0
Digital I/O 
Number of Channels0
Counter/Timers 
Number of Counter/Timers0
Timing/Triggering/Synchronization 
TriggeringAnalog, Digital
Triggers cDAQ ChassisNo

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

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Training

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Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

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