🔬 National Instruments SCXI-1102 Analog Input Module
The National Instruments SCXI-1102 is a 32-channel thermocouple and voltage input module designed for high-accuracy temperature and low-level signal measurements. It is part of the SCXI (Signal Conditioning eXtensions for Instrumentation) platform, engineered to provide clean, stable, and amplified signals for data acquisition (DAQ) systems. This module ensures precise analog signal conditioning, minimizing noise and maximizing measurement integrity in demanding laboratory and industrial environments.
📋 Product Overview
The SCXI-1102 module is used with NI DAQ devices to condition multiple temperature and voltage inputs before digitization. It features cold-junction compensation for thermocouples, high common-mode rejection, and superior signal filtering to ensure accuracy and reliability. With 32 differential input channels, it supports a wide range of thermocouple types and low-voltage signals, making it ideal for applications such as thermal monitoring, environmental testing, and system diagnostics.
Key Features:
- 32 differential analog input channels.
- Supports J, K, T, E, N, B, R, and S type thermocouples.
- High input impedance and noise suppression.
- Built-in low-pass filters for stable readings.
- Direct integration with NI DAQ boards through SCXI chassis.
📐 Technical Data Sheet
| Parameter | Specification |
|---|---|
| Manufacturer | National Instruments |
| Model | SCXI-1102 |
| Product Type | Analog Input / Thermocouple Module |
| Number of Channels | 32 differential inputs |
| Input Range | ±80 mV (typical) |
| Input Impedance | 10 GΩ minimum |
| Common-Mode Rejection | >100 dB at 50/60 Hz |
| Filter Bandwidth | 4 Hz (typical low-pass) |
| Resolution | 12-bit to 16-bit (depending on DAQ device) |
| Cold-Junction Compensation | Supported (with SCXI-1303 or SCXI-1300 terminal block) |
| Temperature Range | -20°C to +70°C (operating) |
| Storage Temperature | -40°C to +85°C |
| Power Requirements | +5 V DC, 200 mA |
| Dimensions | 274 mm × 170 mm × 25 mm |
| Weight | Approx. 0.6 kg |
| Compliance | CE / RoHS Certified |
🔧 Installation and Maintenance
Installation Steps:
- Preparation: Power off the SCXI chassis and DAQ system before installation. Handle the module with proper ESD protection.
- Module Insertion: Carefully align the SCXI-1102 with the guide rails of the SCXI chassis and press firmly until fully seated. Secure with retaining screws.
- Terminal Block Connection: Attach the appropriate terminal block (e.g., SCXI-1303 for thermocouple input) to the front panel. Tighten connectors gently but firmly.
- Wiring: Connect thermocouples or signal wires to the corresponding terminal points, observing correct polarity and type.
- Software Configuration: Use NI-DAQ or LabVIEW software to configure the module and calibrate measurement channels.
Maintenance Tips:
- Clean connectors and terminals periodically using dry, lint-free materials.
- Inspect for oxidation or loose contacts regularly.
- Avoid mechanical stress when inserting or removing wires.
- Keep the chassis ventilation paths unobstructed to prevent overheating.
- Calibrate annually for optimal accuracy.
⚠️ Usage Precautions
- Always use the module within specified input and temperature ranges.
- Do not connect live or high-voltage signals directly to the inputs.
- Avoid connecting incompatible thermocouple types without proper compensation.
- Ensure proper grounding to prevent measurement noise or electrical damage.
- Disconnect all power sources before performing wiring or maintenance.
💡 Product Advantages
- High-density, 32-channel input for compact data acquisition systems.
- Superior thermal stability and low-noise performance.
- Seamless integration with National Instruments hardware and software ecosystems.
- Built-in signal filtering enhances accuracy for low-level signals.
- Long service life and proven reliability in continuous operation.
🔗 More Information & Purchase
For more details or to purchase, please visit:
👉 https://www.fy-module.com/
👉 https://www.fy-module.com/product/
🧩 Similar Product Recommendations
| Model | Description | Link |
|---|---|---|
| SCXI-1100 | National Instruments 32-channel voltage input module | View Product |
| SCXI-1104 | NI high-voltage input module for precision measurement | View Product |
| SCXI-1125 | NI isolated input module with programmable gain | View Product |
| SCXI-1000 | NI 4-slot chassis for SCXI modules | View Product |
| SCXI-1303 | NI thermocouple terminal block for SCXI-1102 | View Product |
🛠️ Summary
The National Instruments SCXI-1102 Analog Input Module delivers precise temperature and low-voltage measurements across 32 channels. Built for industrial and laboratory-grade applications, it enhances data integrity through superior filtering, noise rejection, and accurate cold-junction compensation. Its durable design, combined with easy installation and flexible software support, makes it a dependable solution for complex measurement systems. With proper installation and regular maintenance, the SCXI-1102 ensures consistent, long-term performance in critical monitoring environments.
