| Methane Detection Ranges | Triple Range: 0-5%vol.; 5-40%vol.; 40-100%vol. with linear
approximation in each case. Automatic switchover between ranges. |
| Resolution | Up to 10ppm |
| Detectivity Level | 100ppm |
| Output Signal | Analog Output (12-Bit, 0.0-2.5 Volts DC Max), Serial Port
Communication (UART) |
| UART Communication | 8 data bits, 2 stop bits, no parity. Default Baud Rate: 38400 (also
supports 115200, 19200, 9600) |
| Power Supply | Min: 3.2 VDC, Typical: 3.3 VDC, Max: 5.25 VDC |
| Average Current Consumption | Min: 30mA, Typical: 32mA, Max: 35mA* (*Inrush Current can be up to 60mA) |
| Logic Output Voltage Levels | LOW (VOL): 0.6V Maximum; HIGH (VOH): 2.0V Minimum (1.6mA source current maximum) |
| Logic Input Voltage Levels | LOW (VIL): 0.4V Maximum; HIGH (VIH): 2.0V Minimum |
| Operating Humidity | 0% to 99% RH (50% typical) |
| Storage Humidity | 0% to 90% RH (50% typical) |
| Operating Temperature | -40C to +75C |
| Storage Temperature | -20C to +55C |
| Temperature Cycle Limits | 0.8C/min (typical), 1.3C/min (maximum) |
| Operating Pressure | 80kPa - 120kPa |
| Storage Pressure | 80kPa - 120kPa |
| Weight | 20 g (min) to 25 g (max) |
| Gas Sensor Sockets | S1 5-Pin, Polygon Topology |
| Warm-Up Time | 45 seconds (after power ON or mode change) |
| Calibration Gas | 5.0% CH4 for Span Cal. |
| Recommended Gas Flow Rate | 450 500 cc/min |
| Faults Monitoring | Full Faults Diagnostics & Error Generation, Cyclic Redundancy Check
(CRC) |
| Power Consumption | Typical Low power consumption < 100mW (Average) |
| Special Conditions for Safe Use | Power Input: 1.5W Maximum; Ambient temperature range: -40C to +75C;
Thermal resistance < 25K/W; Protection from impact (7 J);
Dust-proof (IP5X) |
| Key Applications | Agriculture, Automation & Control, Indoor Air Quality, Industrial
Health & Safety, Waste Management, Mining |
| Evaluation Kit | INIR-EK4 available (includes PC software) |