Product Overview
The INIR2-CD100% is a user-friendly digital gas sensor designed for reliable carbon dioxide detection in industrial and residential environments. Leveraging SGX Sensortechs advanced non-dispersive infrared technology and power-efficient CORTEX microcontrollers, this sensor offers high flexibility and functionality. It provides a linear output proportional to the gas concentration, with temperature compensation, good accuracy, and a low voltage DC power supply for simple integration. Key features include triple-range detection (0-5%vol., 5-40%vol., 40-100%vol.) with automatic range switchover, high resolution up to 10ppm, analog and serial (UART) communication, and comprehensive fault diagnostics. Designed for use in hazardous areas, it is certified for explosive atmospheres (EX). Ideal applications include agriculture, industrial health & safety, waste management, and indoor air quality monitoring.
Product Attributes
- Brand: SGX Sensortech
- Model: INIR2-CD100%
- Technology: Non-dispersive infrared (NDIR)
- Certifications: ATEX, IECEx (I M2 Ex db I Mb, II 2G Ex db IIC Gb)
- Origin: Poland
- Material (Body): Stainless Steel
- Compliance: RoHS
Technical Specifications
| Specification | Value | Notes |
|---|---|---|
| Detection Range | Triple Range: 0-5%vol., 5-40%vol., 40-100%vol. | Automatic switchover |
| Resolution | Up to 10ppm | |
| Detectivity Level | 100ppm | |
| Output Signal | Analog Output (12-Bit, 0-2.5 Volts DC) | Scalable range |
| Communication | Serial Port (UART) | Default Baud Rate: 38400 bps (Supports 115200, 19200, 9600) |
| Power Supply | 3.2 VDC (Min) - 5.25 VDC (Max) | Typical: 3.3 VDC |
| Average Current Consumption | 30mA (Min) - 35mA (Max) | Typical: 32mA; Inrush Current up to 60mA |
| Logic Output (LOW Voltage) | 0.6V (Max) | 1.6mA source current maximum |
| Logic Output (HIGH Voltage) | 2.0V (Min) | |
| Logic Input (LOW Voltage) | 0.4V (Max) | |
| Logic Input (HIGH Voltage) | 2.0V (Min) | |
| Operating Humidity | 0% - 99% RH | Typical: 50% RH |
| Storage Humidity | 0% - 90% RH | Typical: 50% RH |
| Operating Temperature | -40C to 75C | |
| Storage Temperature | -20C to 55C | |
| Temperature Cycle Limits | 0.8C/min (Typical), 1.3C/min (Max) | |
| Operating Pressure | 80 kPa - 120 kPa | Compensation required |
| Storage Pressure | 80 kPa - 120 kPa | |
| Weight | 20 g (Min) - 25 g (Max) | Typical: 23 g |
| Warm-Up Time | 45 seconds | After power ON or mode change |
| Response Time (T90) | Approx. 24 sec (Typical, without dust filter) | Max: Approx. 30 sec |
| Calibration Gas Flow Rate | 450 500 cc/min | Recommended |
| Pin Configuration | 5-Pin, Polygon Topology | TXD, VIN, GND, RXD, OUT |
| Power Input (ATEX/IECEx) | 1.5W Maximum | |
| Special Conditions for Safe Use | Thermal resistance 25K/W; Protected from impact (7J); Dust-proof (IP5X) | Refer to datasheet for full details |
2411261432_Amphenol-INIR2-CD100-_C3659390.pdf
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