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July 2025
785185-01
785185-01, 24 Bit ADC, 16 Thermocouple Channel, 25 μW, NI-9213 Thermocouple Input Module
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments 785185-01 C Series Temperature Input Module
National Instruments' 785185-01 is a high-density thermocouple input module that is part of the NI-9213 Model series. Together with one internal autozero channel and one internal cold-junction compensation channel, it offers sixteen thermocouple channels. This module, designed for systems with more channels than usual, provides a way to add thermocouples to mixed-signal test configurations without taking up too many slots.
Each channel of the 785185-01 module undergoes differential filtering before being multiplexed and sampled by a 24-bit analog-to-digital converter (ADC). With functions like cold-junction compensation, open-thermocouple detection, and anti-aliasing filters, the module guarantees precision and dependability. Additionally, it is equipped with NIST-traceable calibration and a channel-to-earth ground double isolation barrier, which guarantees safety, noise immunity, and a wide common-mode voltage range.
In order to provide flexibility dependent on the needs of the application, the 785185-01 supports both high-resolution and high-speed timing modes. Optimizing accuracy and noise rejection, especially against power line frequencies, is what the high-resolution mode of the module offers. However, high-speed mode makes the most of the signal bandwidth and sampling rate.
The module is energy-efficient since it only uses 25 μW while it is in sleep mode and a maximum of 490 mW when it is turned on. Furthermore, it effectively dissipates thermal energy; maximum values for both the active and sleep modes are defined.
In terms of input features, the module provides a voltage measuring range of ±78.125 mV and can work with different NIST-defined thermocouple types. It delivers accurate temperature readings across a range of thermocouple types and measurement modes with few sensitivity mistakes.
The 785185-01 module supports up to eight units in an NI CompactDAQ or CompactRIO chassis, enabling a total of 128 thermocouple measurements in a single chassis. As an alternative, it can be installed separately in carriers for C Series modules that are USB, Ethernet, or Wi-Fi based.
The National Instruments 785185-01 C Series Temperature Input Module is a flexible solution for industrial automation, data acquisition, and test and measurement applications requiring thermocouple-based temperature sensing because of its sturdy design, high-precision measurements, and compatibility with NI C Series carriers.
| Model | 785185-01 |
|---|---|
| Model Name | NI‑9213 |
| Part Type | C Series Temperature Input Module |
| ADC Resolution | 24 bits |
| Voltage Measurement Range | ±78.125 mV |
| Thermocouple Types | J, K, T, E, N, B, R, S |
| Maximum Sample Rate per Channel | 100 S/s (12 or fewer channels), 75 S/s |
| Input Channels | 16 thermocouple channels |
| Power Consumption (Active mode) | 490 mW maximum |
| Power Consumption (Sleep mode) | 25 μW maximum |
| Manufacturer | National Instruments |
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