NDIR Gas SENSORS
Our gas sensors offer the lowest energy consumption on the market, enabling applications that require an optimal energy efficiency or use battery-powered products.
Our 2 unique footprints are powered by our patented optical NDIR (Nondispersive Infrared) technology and have been designed for an integration into any system, unit or device.
Power
Accuracy
Design
Calibration
Mechanical architecture of sensors can be customized to meet better integration into any final products such as methane detector, emission monitor, HVAC systems, etc.
eLichens gas sensors key features
Autocalibration with double beam & reference channel
20+ years lifespan
Response time: T90 < 30 seconds
Digital UART interface
ATEX & IECEx & HazLoc certified, RoHS compliant
Compact design starting 400 mm²
Labeled Made in France
Measured gases: CH4, C3H8, C4H10, & all Hydrocarbons, CO2, R32
2 Form factors : 1-Series (World’s smallest NDIR gas sensor) (Cranberry) and 4-Series (5-Pin & 4-Pin for Mulberry, Bilberry)
Temperature and ageing compensation
Power consumption: <1.5mW for 2 measurements per second
eLichens Bilberry
5E: Ultra low detection | 5S: ultra-low power
eLichens Bilberry is a new methane NDIR gas sensor available in 2 versions:
Bilberry-5E (5-pin Emission) for Ultra-low detection with a 50 ppm measurement capability, designed for emission monitoring.
Bilberry-5S (5-pin Safety) for Ultra-low power with only 75µW power consumption, designed for safety applications.
eLichens Bilberry sensor is part of eLichens' 4-Series form factor NDIR gas sensor family.
Offering continuous monitoring with an ultra-low power consumption for industrial applications, such as methane emission compliance monitoring, methane prevention and safety, sustainable gas management or seamless integration in IoT systems.
Key Features of eLichens Bilberry
World’s First 50ppm Miniaturized NDIR Sensor
Bilberry offers unrivaled performances.Continuous Methane Detection & Monitoring
Designed for real-time measurements, Bilberry sensors provide accurate methane readings from 50ppm up to 100% volume.Ultra-Low Power Consumption
Optimized for power efficiency, Bilberry enables battery operated applications with power consumption < 0.35 mW for 5E and only 75µW for 5S.Intrinsically Safe
eLichens Bilberry sensors are safe to use in an explosive atmosphere.
Bilberry is ATEX, IECEx, Intrinsic Safety Zone 0 Certified.10+years Lifespan, Fail-Safe, Poison-Resistant, & Self-Diagnostic
Bilberry features built-in self-diagnostics and resistance to sensor poisoning, ensuring long-term reliability in harsh industrial environments with a 10+ years lifespan.Seamless Integration
Built with a 4-Series standard form factor, Bilberry is fully compatible with existing industrial gas detection systems, allowing for easy adoption without the need for hardware modifications.Designed for Sustainability & Compliance
Bilberry is the ideal solution for industries focused on emission reduction, including oil & gas, biogas, refineries, and environmental monitoring..
| Bilberry 5E — Functional Specifications @ 20°C, 50%RH, 1atm & 3.3V | |
| Technology | Non-Dispersive Infrared (NDIR) Dual channel |
| Gas sampling method | Diffusion |
| Target gas | Calibrated to methane (CH₄), other hydrocarbons on request |
| Measurement range | 0 to 100% volume CH₄ |
| Accuracy | ±50ppm or ±10% of reading ¹ |
| Warm up time | < 2 minutes |
| Response time T90 | < 30 seconds ² |
| Lifetime | >10 years |
| Bilberry 5E — Environmental Specifications | |
| Operating temperature range | Standard: -20…50°C, Extended: -40…60°C (Available next) |
| T° accuracy | ±0.3°C |
| Operating humidity range | 0 to 95%RH, non-condensing |
| Humidity accuracy | ±2% RH |
| Standard Temp. range gas accuracy | 100ppm or ±10% of indication from 20°C ¹ |
| Extended Temp. range gas accuracy | 250ppm or ±10% of indication from 20°C ¹ |
| Bilberry 5E — Electrical Specifications @ 20°C, 50%RH & 1atm | |
| Supply voltage | 3.0…5.0 V |
| Average power consumption | < 0.35 mW ³ |
| Average current consumption | < 115 µA ³ |
| Peak current | < 4.0 mA ³ |
| Output | Digital, UART |
¹ Whichever value is greater. ² For gas injection at 1000ppm. ³ Power supply 3.0 Volts.
Get eLichens Bilberry datasheets below
eLichens Mulberry
Methane or CO2 in 4-Pin or 5-Pin
eLichens Mulberry sensors (4 Series - Form Factor) are advanced NDIR, dual channel gas sensors built in a 5-pin or 4-pin design. eLichens 4-series gas sensors are the industry standard for portable gas detectors.
They use our patented technologies, including a proprietary IR micro-source, patented optical design and advanced signal processing algorithms. It offers eLichens Mulberry sensors in a compact form factor with the lowest power consumption in the market. This ultra-low power is a key differentiator for creating an advanced safety device with battery power.
→ Our last News on eLichens Mulberry 4-pin release is available here.
→ Our last Whitepaper on eLichens Mulberry thermal shock resistance is available here.
Get eLichens Mulberry datasheets below
eLichens Cranberry
World’s smallest NDIR gas sensor
CH4 & other hydrocarbons, CO2, R32 gas sensors
eLichens Cranberry Sensors (1 -Series Form Factor) are designed to detect and prevent hazard by sensing and monitoring the presence of Methane (CH4, 5% LEL) and Carbon Dioxide (CO2) in real-time. Offering two measurements per second, our sensors detect gas emissions as they happen and provide data on the development for a close and safe monitoring.
eLichens Cranberry gas sensors are the first 1-Series NDIR industry standard.
They are ATEX & IECEx certified and can be embedded into any compact portable safety device.
