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NI SCXI-1112

8-Channel Thermocouple Input Module

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  • Cold-junction compensation per channel
  • Onboard calibration reference
  • Instrumentation amplifier per channel
  • Open thermocouple detection LEDs
  • NI-DAQmx measurement services software to simplify configuration and measurements


The NI SCXI-1102 and SCXI-1112 are designed for high-accuracy thermocouple measurements. They share a common architecture where each input channel includes an instrumentation amplifier and a 2 Hz lowpass filter. With this architecture, you can scan the NI SCXI-1102 or SCXI-1112 analog input channels along with the input channels of other modules at rates up to 333 kS/s (3 µs per channel). In addition, you can scan the cold-junction compensation sensor along with other input channels. The SCXI-1102 can also acquire millivolt, volt, 0 to 20 mA, and 4 to 20 mA current input signals. Each module can multiplex its channels into a single channel of the DAQ device, and you can add modules to increase channel count.

An SCXI chassis is required to house the SCXI modules. The NI SCXI-1000 chassis can hold up to four modules while the NI SCXI-1001 can hold up to 12. You can choose NI X Series, M Series, E Series, or S Series DAQ modules for controlling the chassis.

Specifications Documents

Specifications Summary

General
Product Name SCXI-1112
Product Family Signal Conditioning
Form Factor SCXI
Part Number 776572-12
Operating System/Target Real-Time , Linux , Windows
LabVIEW RT Support Yes
Measurement Type Temperature , Thermocouple
RoHS Compliant No
Signal Conditioning Low-pass filtering , Open thermocouple , Cold-junction compensation
Analog Input
Channels 0 , 8
Single-Ended Channels 0
Differential Channels 8
Sample Rate 333 kS/s
Max Voltage 100 mV
Maximum Voltage Range -100 mV - 100 mV
Simultaneous Sampling No
Input Impedance 1 GOhm
Available Filters 2 Hz
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Channels 0
Output-Only Channels 0
Counter/Timers
Counters 0
Physical Specifications
Length 27.3 cm
Width 11.5 cm
Height 3 cm
I/O Connector Screw terminals
Minimum Operating Temperature 0 °C
Maximum Operating Temperature 50 °C
Minimum Storage Temperature -55 °C
Maximum Storage Temperature 150 °C
Timing/Triggering/Synchronization
Triggering Digital , Analog
Triggers cDAQ Chassis No
Part Number Description Est Ship  US Dollars Qty
NI SCXI-1112
776572-12SCXI-1112 8 ch Thermocouple Input Module12 - 20$ 985.00
745688-J10J-Type Minithermocouple Plug (QTY 10)12 - 20$ 51.00
745690-J002J-Type Thermocouples Wire, Fiberglass (32 deg F to 900 deg F) 2 m10 - 15$ 30.00
745687-J030J-Type Thermocouple Wire (32 deg F to 900 deg F) 30 m12 - 20$ 113.00
745688-K10K-Type Minithermocouple Plug (QTY 10)12 - 20$ 51.00
745690-K002K-Type Thermocouples Wire, Fiberglass (32deg F to 900deg F) 2 m10 - 15$ 30.00
745687-K030K-Type Thermocouple Wire (32 deg F to 900 deg F) 30 m12 - 20$ 113.00

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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

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