IN FIELD TESTS
Ultra-low-power methane sensor for compact gas detectors
MIPEX-04 PPM CH₄ is a high-performance NDIR sensor with 10 ppm resolution, designed to detect methane at low concentrations — from just 50 ppm up to 5% vol.
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MIPEX-04 ppm [CH4]
Ultra-low-power methane sensor for compact gas detectors
Features
Smart NDIR sensor for portable gas detectors, offering precise methane detection with ultra-low power consumption for long-term autonomous use.
HIGH SENSITIVITY
Detects methane from as low as 50 ppm up to 5% vol with 10 ppm resolution.
LOW ENERGY DEMAND
Consumes less than 100 µA average current — ideal for battery-powered operation.
FOR PORTABLE DETECTORS
Optimized for compact gas detectors used in industrial safety applications.
BUILT-IN CONTROLLER
Delivers linearized and temperature-compensated data via UART, with no external signal processing required.
RELIABLE IN TOUGH CONDITIONS
Operates in a wide temperature range from –40 °C to +60 °C and up to 98% humidity.
Technical specifications
MIPEX-04 PPM [CH₄] is a high-precision NDIR sensor for low-level methane detection in portable gas detectors used for industrial safety.
It features ultra-low power consumption (less than 100 µA average), stable long-term performance, and high sensitivity from just 50 ppm up to 5% vol. The sensor supports UART communication and a wide input voltage range (2.5–5.0 V), making it easy to integrate into battery-powered devices.
ADVANTAGES:
- High sensitivity: detects CH₄ starting from 50 ppm
- 10 ppm measurement resolution
- Low power design: less than 0.3 mW (at 2.5 V) average power consumption
- Fast response: T90 < 30 seconds
- Intrinsically safe: certified Ex "ia", no sintered filter required
- Life time: stable performance over 10+ years
- UART output: linearized and temperature-compensated data, ready for use
| Parameter | Value | |
| General specification | ||
| Gas sampling method: | Diffusion | |
| Operating principle: | NDIR | |
| Calibration gas | CH₄ | |
| Relative humidity | up to 98%(without condensation) | |
| Atmospheric pressure, kPa | 80…120 | |
| Temperature, °C | -40...+60 | |
| Warm-up time, sec | ≤ 120 | |
| Life time | ≥ 10 | |
| Housing material | Polycarbonate Lexan™ | |
| Overall dimensions, mm | 52×24×18 | |
| Weight, g | 11.0…13.5 | |
| Measurement specification | ||
| Measurement range, % vol. | 0...5 | |
| Variability (+20…+25 ⁰C) | ± 50 ppm ± 5 % of readings (whichever is greater) | |
| Response time t(90), sec | < 30 | |
| Electrical specification | ||
| Operating supply voltage, VDC | +2.8…+5.0 | |
| Maximum supply voltage, VDC | +5.5 | |
| Communication interface | UART | |
| Average current, µA | less than 100 |
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