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Compact Biogas Monitoring System (Ei3100)

Superior performance and turnkey biogas monitoring solution

Available for Download

The Ei3100 Compact Biogas Monitoring System is a cost-effective, all-inclusive integrated monitoring system with online data logging that has been optimized for biogas measurements. It is compact, wall-mountable, and easy to operate and maintain, whether used by experienced engineers or non-technical users.

Designed with flexibility in mind, the system is modular and capable of utilizing an assortment of gas analyzers with proven measurement principles to ensure optimal system configuration. The integrated InteliSense™ control and data acquisition software completes the turnkey solution and provides a simple and intuitive user interface, along with a comprehensive communications package and full remote access.

Product Details

Compact Biogas Monitoring System (Ei3100) Features

Compact, cost-effective and reliable
  • Remarkably small footprint: 
  • General Purpose: 13.25 x 11.25 x 7.75 inches
  • Explosion Proof: 17.375 x 14.25 x 8.625 inches
  • No air conditioning needed
  • No cabinet purge system needed for C1D2 areas
  • Integrated cabinet heater
  • Vacuum eductor technology eliminates need for unreliable sample pump
Excellent accuracy with fast response
  • Measurement every second
Multiple technologies for optimal gas measurement:
  • Nondispersive infrared (NDIR)
  • Optical (LED)
  • Electrochemical gas sensor
Raw Biogas, Process Control & RNG Applications:
  • Integrated moisture control technology
  • Removes moisture from  saturated raw biogas
  • Adds moisture to dry RNG
  • Protects internal components from moisture damage
  • Improves sensor performance
  • Sensor purge system: 
  • Extends life of sensor
  • Improves accuracy
  • Protects sensor from damage
  • Programmable timing with the factory default settings
  • Integrated dilution system: allows measurement of high H2S in raw biogas
Easy to Operate
  • No analytical specialist required
  • Automatic or manual calibration (zero and span)
  • Automatic correction for interferences
Communications Package
  • LAN or remote access


  • Wall-mount NEMA-4X enclosure suitable for general purpose areas
  • Wall-mount Explosion-Proof enclosure suitable for hazardous areas
Multi-Sampling Point Switching System
  • Up to 4 sample streams
  • Assign custom names to each stream
  • Bypass flow for fast response times
  • Automatic or manual switching
Sampling System
  • Eductor (for low pressure applications)
  • Sample probe (fixed or retractable)
  • Pressure regulator (heated or unheated)
  • Sample line (heated or unheated)
  • Analog (4 to 20 mA)

Compact Biogas Monitoring System (Ei3100) Technical Specifications

Please see attached flyer

Typical Applications for Compact Biogas Monitoring System (Ei3100)

  • Wastewater treatment plants
  • Food waste digesters (co-digestion)
  • Dairy farms
  • Hog and pig farms
  • Landfills
  • Raw Biogas and Product Gas (RNG)
  • Truck offloading
  • Process control
  • Interconnection compliance

Available Measurements for Compact Biogas Monitoring System (Ei3100)

Base Measurements:
Additonal Measurements:
  • Hydrogen (H2 – Coming Soon)
  • Moisture (H20)

Related Products

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