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 5E & 5S)
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 | -40…60°C |
| 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.
Get Cranberry datasheets below
eLichens Gas Sensor
Evaluation Kits
Plug-and-Play with Software for Data Analysis, Calibration and Integration
Accelerate your gas sensing projects with the eLichens Evaluation Kits, designed for fast integration, accurate testing, and seamless data analysis of our advanced gas sensors. These plug-and-play kits provide everything you need to evaluate sensor performance, validate use cases, and streamline development.
Two Evaluation Kits Available
Mulberry / Bilberry Evaluation Kit
Designed for compatibility with both Mulberry 4P & 5P and Bilberry 5E & 5S (4R-series) gas sensors, this kit offers a flexible platform for multi-sensor evaluation.
Cranberry Evaluation Kit
Dedicated to Cranberry sensors, this kit features a 1-SERIES specific pinout configuration tailored to ensure optimal performance and accurate data acquisition.
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Plug-and-Play Setup
Quickly connect and start testing with a USB interface and pre-configured hardware.Real-Time Data Visualization
Monitor gas concentration levels through an intuitive software interface.Data Logging & Export
Record sensor data for analysis, reporting, and performance validation.Sensor Configuration Control
Access and modify sensor parameters directly from the software.Optimized Calibration Process
Achieve precise calibration using the integrated gas applicator with ⌀6 mm pipe input.
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USB adapter for eLichens gas sensors
USB Type-A to Mini-USB cable
Cranberry/Mulberry/Bilberry gas applicator
SensorTester Software access
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The evaluation kits are supported by a dedicated software “SensorTester” enabling:
Live sensor data visualization
Concentration measurement recording
Easy sensor configuration and tuning
Calibration workflow optimization
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Sensor Benchmarking
Evaluate and compare gas sensor performance in real conditions.Rapid Prototyping
Integrate sensors into your system with minimal setup time.Plug-and-Play Gas Detection
Quickly deploy and test gas detection capabilities.
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Designed for fast onboarding and testing
Compatible with industrial-grade gas sensors
Ideal for R&D teams, system integrators, and engineers
Enables accurate, reliable, and reproducible measurements
Contact us to get ELICHENS EVAL-KITS DATASHEET
Start evaluating eLichens gas sensing solutions today with eLichens Eval-Kits, your gateway to faster development and smarter safety monitoring.
