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VIG Industries - Model 210 -Heated Methane/Ethane/NonMethane-Ethane Total Hydrocarbon Analyzer (NMHC)
The VIG Industries, Inc. Model 210 is a microprocessor based, oven heated methane / ethane / non methane-ethane (NMEHC) total hydrocarbon analyzer for high accuracy, sensitivity and stability. The Model 210 measures methane, ethane, non methane-ethane hydrocarbons at preset intervals and continuously measures total hydrocarbons in real time. The Model 210 uses two (2) Flame Ionization Detectors (FID). One FID is used to obtain methane, ethane and non methane ethane hydrocarbon readings. The second FID is used to continuously measure total hydrocarbons. A sample is fed to the analyzer via an internal heated pump. After the sample reaches the analyzer it is fed to the first FID to measure total hydrocarbons. A small portion of the sample is trapped and fed through a GC (gas chromatography) column to separate the methane and ethane from the total and is fed to the second FID detector for analysis
As soon as the methane and ethane components are read, the remaining sample is back flushed through the column and fed to the FID detector for analysis of the non methane ethane component. The LCD display indicates the amount of methane, ethane, residual (non methane ethane) and total hydrocarbons.
The Model 210 utilizes two flame ionization detectors (FID). The detectors, all sample lines, GC column and all solenoid valves that come in contact with the sample are maintained in a controlled, heated oven to prevent condensation, and to provide reliable performance in the analysis of concentrations of wide varieties of hydrocarbons in gaseous mixtures and in ambient air.
- Compliance Monitoring - U.S. E.P.A. Method 18 and Method 25A
- Process Monitoring - Continuous monitoring and alarm or control of:
- Process gas streams utilizing organic solvents
- Crude oil
- Other chemicals containing hydrocarbons
- Efficiency Monitoring - Monitoring effluent of volatile organic compound (VOC) reduction equipment for:
- Environmental compliance
- Efficiency control of incinerators (Thermal or catalytic)
- Scrubbers
- Carbon absorbers
- Monitoring of catalytic converters
- Other abatement equipment
- Safety Monitoring - Lower explosive limit (LEL) monitoring and/or control of:
- Ovens/dryers
- Fugitive emissions monitoring
- Personnel work area monitoring
- Leak detection of process equipment or solvent storage areas
- Stack Monitoring
- Easy to use software
- GC technology used for separation
- Automatic ignition
- Automatic fuel shut-off system
- Automatic flame-out indicator
- Adjustable alarm and oven settings
- Precision 1% of full scale
- Fast response
- Methane, Ethane and Non methane - minimum 3.0 minute cycle
- Total Hydrocarbons - Within 5 seconds to 90% of final reading (continuous real time reading)
- Two stage sample filter with exchangeable stainless steel elements
- PTFE isolated detector
- 19" rack or bench mount
- Heated Sample pump
- Outputs 0-1, 0-5, or 0-10Volts
- Zero and calibration input ports with software
- 4-20mA output - no extra charge
- Range recognition relays
- RS-232 interface
- Internal combustion air supply
- Automatic sample shut-off system
- External zero air generator (reduces bottles)
- Hydrogen Generator (reduces bottles)
- Heated sample lines and controllers
- Strip chart recorders and data loggers
- NEMA rated enclosures
- Analysis Method : Flame Ionization Detector (FID)
- Separation Method : Column
- Precision : +/- 1% of Full Scale
- Response Time:
- Total Hydrocarbons - Within 5 seconds to 90% of final reading (continuous real time reading)
- Methane - Approximately 40 seconds, updated every 3 minutes
- Ethane - Approximately 55 seconds, updated every 3 minutes
- Non methane - Approximately 90 seconds, updated every 3 minutes
- Zero Drift : +/- 1% of Full Scale Per 24 Hours
- Span Drift : +/- 1% of Full Scale Per 24 Hours
- Linearity : Within 1%
- Oxygen Synergism : Within 1% of Selected Range
- Ranges:
- Standard Ranges (4 Ranges per amplifier, two amplifiers per analyzer, one amplifier for total hydrocarbons, one amplifier for methane, ethane and non methane-ethane) :
- 0-100, 1000, 10000, 100000ppm (LDL 0.1ppm)
- 0-10, 100, 1000, 10000ppm (LDL 0.01ppm)
- Display : Backlit Digital / Graphical LCD
- Outputs : 0-1, 5, or 10 Volts and 4-20mA.
- Alarms : Flame Out & Concentration, Latching
- Safety : Flame Out Indicator with Fuel Shut-Off System
- Oven Temperature : Operating Temperature 275°F, Adjustable 200 to 300°F
- Sample Pump : Heated 4 Liters/Minute standard or Heated 14 Liters/Minute optional
- Ignition : Automatic (can be set to manual by operator)
- Glow Plug : Main and spare glow plug, selectable by switch on back panel
- Dimensions :
- 19" front panel, 16.75" wide chassis, 18" deep chassis,
- 21" deep with fittings and handles, 9" high
- Weight : 55 to 65 pounds depending on options
- Fuel : Hydrogen (UHP Grade) @ 18psi incoming pressure
- Combustion Air : Zero Grade Air @ 18PSI
- Operation Air : Compressed Air (Instrument Air - Dry / Oil-Less) @ 60PSI
- Zero Gas : Zero Air (UHP Grade) @ 10PSI
- Calibration Gas : User Selected @ 10PSI
- Carrier Gas : Nitrogen (UHP Grade) @ 30PSI
- Power : 115Vac, 60Hz or optional 220Vac, 50Hz
- Ambient Temperature : 32 to 110º F