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Elemental Instruments logo

GC Monitoring System (Ei2800)

Analyzer for a variety of gases

Available for Download

The Ei2800 GC Monitoring System provides fast and accurate online monitoring of various process gases, delivering calculated values pertaining to the gas composition as well as their concentrations. The Ei2800 System features the widely acclaimed Ei800 Process GC, as well as Sampling Conditioning components in a compact, wall-mountable enclosure. The GC’s revolutionary TCD detector provides incredibly fast and sensitive analysis, and the modular design allows for custom GC columns that are suitable for a wide range of applications.

Product Details

GC Monitoring System (Ei2800) Features

  • Compact EX Certified Process GC
  • Power, Communications, and Service Junction Box
  • Super fast analysis: 30 seconds for complete gas composition analysis
  • Up to 4 Columns
    • Customizable to application
  • Extreme Sensitivity and Accuracy
    • 500 ppb DL
  • Multi-Stream Capacity of a 4 or 8-stream solution
    • Analyses complete within the 15-minute EPA RFS mandate
  • Minimal carrier gas consumption of 5 ml/min. during analysis
  • Low Power Requirements
  • Compact Enclosure (30 x 30 x 12″)
    • Cabinet Cooling Fan
    • Cabinet Heater
    • Sample/Calibration Ports
    • Moisture Separator(s)
    • Pressure Gauges(s) and Regulator(s)
  • Easy to Maintain
    • Robust design without any tubes or capillaries
    • Replaceable cartridges
  • EPA Renewable Fuel Standard (RFS) compliant
Options
  • Hazardous Area (C1D1 and C1D2)
  • Air Conditioner
  • Multi-Sampling Point Switching System
  • Inert Coating for High H2S Applications
  • Vacuum Eductor System for Low Pressure Applications
  • Heated Exhaust Line for High Moisture Applications

Configurations

General Purpose Wall Mount, Explosionproof Wall Mount

GC Monitoring System (Ei2800) Technical Specifications

Specifications Values
Cycle Time 15 to 60 s (typical)
Repeatability of Concentration < 0.05% RSD (typical, concentration dependent)
Calorific Value Calculation for Natural Gas ISO 6976:2016, GPA 2172, ASTM D3588: ± 0.025% repeatability
Operating Temperature –20 to 55 °C /–4 to 131 °F
Storage Temperature –20 to 60 °C /–4 to 140 °F
Moisture 5 to 95%
Dust/Water Protection IP65 (only valid with receptacle cap /mating connections)
Power Supply 24 V DC input and 115 V AC input
Power Consumption 80 W for DC input, 475 W for AC input (varies per configuration)
Dimensions 30 x 30 x 12"
Weight 210 lbs. (varies per configuration)
Gas Ports 1 /16" VICI Valco
Carrier Gas He, Ar, N₂, or H₂
Carrier Gas Input Pressure 65 ± 5% psi
Carrier Gas Consumption 15 ml /minute typical
Sampling Pressurized or atmospheric (integrated pump)
Sample Pressure 1 to 30 psi (but < column head pressure)
Sample Streams 4 (option for more)
Detectors Fore-flush and back-flush micro TCD
Detection Limit 500 ppb to 100% (application dependent)
Communication Ports 2 × MODBUS over RS485
1 × MODBUS over RS232
1 × MODBUS over TCP /LAN
Ethernet
2x Digital I /O
Memory Storage Up to 256 GB
Certifications ATEX/IECEx II 2G Ex db IIB+H2 T4 Gb;
NEC&CEC Class I, Div. 1, Groups B,C and D, T4 (pending)

Typical Applications for GC Monitoring System (Ei2800)

  • Biogas (Raw and Process)
  • Renewable Natural Gas (RNG)
  • Natural Gas
  • Synfuels
  • Landfills
  • Wastewater Treatment Plants
  • Dairy, Hog and Chicken Farms
  • Natural Gas Pipeline Monitoring
  • Process Monitoring
  • Others

Available Measurements for GC Monitoring System (Ei2800)

  • Major Gases (CH4, CO2, CO, O2, H2, N2, He, H2S)
  • Heating Value and Relative Density
  • Custody Transfer (C3+, C6+, C9+)
  • Common Sulfur Compounds in Gaseous Fuels (14 per ASTM D6228)
  • Moisture (H2O)
  • BTEX
  • Others Available

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