Description
The National Instruments SCXI-1112 Thermocouple Input Module, with the part number 776572-12, is an advanced Direct-Connect Thermocouple Amplifier Module designed for accurate temperature measurement and signal amplification. This module features 8 channels, each with a 3-pole lowpass filter that boasts a 2 Hz cutoff frequency, ideal for minimizing 60 Hz noise interference in your measurements.
Each channel of the SCXI-1112 is equipped with a fixed amplifier gain of 100, ensuring stable and precise signal amplification. The module also includes an onboard voltage reference, which facilitates easy calibration and auto-zeroing to maintain measurement accuracy and eliminate offset voltages.
The input signal range that the SCXI-1112 can handle is ±100 mV, making it suitable for a variety of thermocouple types. When the module is powered on, it operates with an impressive input impedance of greater than 1 GΩ, which shifts to approximately 10 kΩ in overload conditions or when powered off.
With a narrow bandwidth of 2 Hz, the SCXI-1112 ensures that your data is free from high-frequency noise, providing clean and reliable measurements. Connectivity is provided via a 96-pin male DIN C connector on the front panel and a 50-pin male ribbon cable connector on the rear panel for versatile system integration.
The module operates efficiently, requiring a maximum of 15 mA power, and is compactly sized at 4.54 x 10.75 inches in physical dimensions. It is designed to function optimally within an operating temperature range of 0 to 50 °C, ensuring reliable performance in various working environments.
| Specification | Detail |
|---|---|
| Product Name | National Instruments SCXI-1112 Thermocouple Input Module |
| Part Number | 776572-12 |
| Type | Direct-Connect Thermocouple Amplifier Module |
| Channels | 8 channels |
| Lowpass Filter | 3-pole with 2 Hz cutoff frequency |
| Amplifier Gain | Fixed gain of 100 |
| Onboard Voltage Reference | Yes, for calibration and auto-zeroing |
| Input Signal Range | ±100 mV |
| Input Impedance (Powered On) | >1 GΩ |
| Input Impedance (Overload/Off) | Approx. 10 kΩ |
| Bandwidth | 2 Hz |
| Connectors | 96-pin male DIN C (front), 50-pin male ribbon cable (rear) |
| Power Requirement | 15 mA max |
| Physical Dimensions | 4.54 x 10.75 in. |
| Operating Temperature Range | 0 to 50 °C |
Question 1: How does the National Instruments SCXI-1112 Thermocouple Input Module minimize 60 Hz noise interference and ensure precise signal amplification for temperature measurement?
Answer 1: The fixed amplifier gain on each channel of the National Instruments SCXI-1112 Thermocouple Input Module is 100, which ensures stable and precise signal amplification by boosting the incoming signal 100 times its original size for better measurement resolution and accuracy.
Question 2: What is the fixed amplifier gain on each channel of the National Instruments SCXI-1112 Thermocouple Input Module, and how does this affect signal amplification?
Answer 2: The National Instruments SCXI-1112 Thermocouple Input Module minimizes noise interference and maintains accurate temperature measurements with features such as 8 channels each with a 3-pole lowpass filter with a 2 Hz cutoff frequency to reduce 60 Hz noise, a fixed amplifier gain of 100 for stable signal amplification, an onboard voltage reference for calibration and auto-zeroing, and a high input impedance of greater than 1 GΩ that decreases to around 10 kΩ in
Question 3: What features enable the National Instruments SCXI-1112 Thermocouple Input Module to minimize noise interference and maintain accurate temperature measurements?
Answer 3: The National Instruments SCXI-1112 Thermocouple Input Module is an 8-channel Direct-Connect Thermocouple Amplifier Module with a fixed amplifier gain of 100, featuring 3-pole lowpass filters with a 2 Hz cutoff frequency per channel, an onboard voltage reference for calibration and auto-zeroing, and an input signal range of ±100 mV. It offers high input impedance greater than 1 GΩ, shifting to around 10 kΩ in certain conditions
Question 4: What are the key features and capabilities of the National Instruments SCXI-1112 Thermocouple Input Module with part number 776572-12, and how do they contribute to its performance in temperature measurement and signal amplification?
Answer 4: The National Instruments SCXI-1112 Thermocouple Input Module minimizes 60 Hz noise interference using a 3-pole lowpass filter with a 2 Hz cutoff frequency on each of its 8 channels, and ensures precise signal amplification for temperature measurement with a fixed amplifier gain of 100 and an onboard voltage reference for easy calibration and auto-zeroing to maintain measurement accuracy.
Question 5: What are the characteristics and capabilities of the National Instruments SCXI-1112 Thermocouple Input Module, including its input signal range, channels, and connectivity options?
Answer 5: The National Instruments SCXI-1112 Thermocouple Input Module, part number 776572-12, is equipped with key features such as 8 channels with individual 3-pole lowpass filters and a 2 Hz cutoff frequency to reduce 60 Hz noise, a fixed amplifier gain of 100 for stable signal amplification, an onboard voltage reference for calibration and auto-zeroing, an input signal range of ±100 mV to accommodate various thermocouple types, high input impedance of
