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Continuous monitoring of hydrocarbons in non-condensing gases.

The right configuration for your needs
The BASELINE® CHA Series is available in a variety of configurations with optional components for single or multi-point sampling. CHA Series instruments also feature a small footprint and are easy to incorporate into your existing instrument setup thanks to built-in connectivity and data storage.
BASELINE® Series Continuous Hydrocarbon Analyzers
Unit of Measure
Items BASELINE® Series Continuous Hydrocarbon Analyzers
THA
BASELINE® Series Versatile Total Hydrocarbon (THA) Analyzer 		BASELINE® Series Continuous Hydrocarbon Analyzers
MNME
BASELINE® Series Methane/Non-Methane (MNME) Hydrocarbon Analyzer 		BASELINE® Series Continuous Hydrocarbon Analyzers
TCA
BASELINE® Series Hydrocarbons and CO2 Total Carbon (TCA) Analyzer
Description N/A Versatile total hydrocarbon analysis down to ppb levels. N/A Oxidation catalyst allows precise measurement of methane and non-methane gases. N/A Catalytic methanizer allows accurate reading of combined CO/CO2 measurement
Brands N/A AMETEK® MOCON®
Detector N/A Flame Ionization Detector (FID) N/A Flame Ionization Detector (FID) with Oxidizer N/A Flame Ionization Detector (FID) with Methanizer
Ranges (CH4) N/A User definable based upon calibration:
  • Very Low - 0.01 ppm to 200 ppm
  • Low - 0.1 ppm to 2,000 ppm
  • Medium - 0.3 ppm to 20,000 ppm
  • High - 0.003% ppm to 100% ppm
 		N/A User definable based upon calibration:
  • Low - 0.03 ppm to 50 ppm
  • Medium - 0.06 ppm to 500 ppm
  • High - 0.15 ppm to 5000 ppm
 		N/A User definable based upon calibration:
  • Low - 0.1 ppm to 100 ppm
Accuracy, Repeatability N/A +1% full-scale response N/A +1% full-scale N/A +1% full-scale
Drift, Zero N/A +0.025% full-scale over 24 hours N/A +0.01% full-scale, 24 hours N/A +0.01% full-scale, 24 hours
Drift, Span N/A +1% full-scale, 24 hours
Response Time N/A T90 < 5 seconds N/A T90 < 30 seconds N/A T90 < 30 seconds
Sampling N/A Internal single or multi-point, (pump optional) N/A Internal single or multi-point, (pump optional) N/A Internal single point (pump optional)
Alarms N/A Multilevel concentration and fault alarms, audible and visual
Calibration N/A Programmable automatic or manual calibration
Support Gas Requirement1 N/A
  • UHP Hydrogen (H2) 30 cc/min
  • Zero air - 175 cc/min
  • Span gas - methane is typical
 		N/A
  • UHP Hydrogen (H2) 35 cc/min
  • Zero air - 175 cc/min
  • Span gas - methane/propane is typical
 		N/A
  • UHP Hydrogen (H2) 35 cc/min
  • Zero air - 175 cc/min
  • Span gas - methane w/ CO or CO2 typical
Display Type N/A Graphical Touch Display
Display Size N/A 7 in17.8 cm
Display Orientation N/A Diagonal
Output N/A
  • LAN/Ethernet, RS-485
  • Optional outputs
    • Analog, programmable 0-20 mA/4-20 mA isolated output; Relays, 5 programmable From A relays rated to 3 A at 230 VAC
    • If (a) is installed, 8 additional analog outputs and up to 16 additional relays can be added
Operating Temperature N/A 32 to 104 ºF0 to 40 ºC
Non-Condensing Operating Humidity N/A 0 to 95 %
Configuration N/A Benchtop or 19" (48.3 cm) Rack-Mount, 3U
Height N/A 5.25 in13.02 cm
Width N/A 19 in48.26 cm
Depth N/A 16.25 in41.28 cm
Weight N/A < 20 lb9.07 kg
Alternating Current (AC) Voltage N/A 100 to 240 V
Frequency N/A 50 Hz60 Hz
Current N/A 1 A
Industry Focus N/A Specialty Gas Oil and Gas Environmental Semiconductors N/A Environmental Semiconductors N/A Specialty Gas
Accessories N/A Preventative Maintenance Kit
  • Includes all necessary parts
Gas Generators
  • Hydrogen generator
  • Zero air generators Service & Support Options
  • Start-up and training, one day onsite
Unique Needs N/A Specialty gas producers require robust quality control and quality assurance to keep products consistent and customers happy. Accurate trace level measurements and a reliable instrument are vital to maintaining tight operations.

For oil and gas companies, downtime means major financial loss. That's why a rugged instrument with user-focused diagnostics and troubleshooting is essential.

Whether collecting ambient air quality data or monitoring emissions to stay below required levels, environmental applications require highly accurate results and easy access to data for compliance and reporting. 		N/A Whether collecting ambient air quality data or monitoring emissions to stay below required levels, environmental applications require highly accurate results and easy access to data for compliance and reporting. N/A Specialty gas producers require robust quality control and quality assurance to keep products consistent and customers happy. Accurate trace level measurements and a reliable instrument are vital to maintaining tight operations.
Features N/A High Performance Effortless Operation

Industry-approved gas measurement

Reliable performance meets modern interface
The BASELINE® Series of Continuous Hydrocarbon Analyzers (CHAs) from AMETEK MOCON® are instruments designed for continuous ambient or process hydrocarbon gas measurement in environmental or industrial settings. All instruments in the series are powered by our high-quality Flame Ionization Detection (FID) sensor, which enables fast, accurate measurement and low detection limits with minimal interference.

The CHA Series combines reliable, industry-proven technology with a modern interface and straightforward troubleshooting, allowing you to focus on the results.

Operation designed for humans
High-quality data isn't enough if the instrument is difficult to use. The CHA Series features an intuitive, streamlined interface. Instruments include a range of capabilities to help simplify your process, including easily read results, real-time graphing, the ability to review historical data without pausing instrument operation, and dual display output. The CHA Series also features networking capabilities for easier connectivity, data sharing within a network, and remote diagnostics.

Fast and Accurate - FID
Our proprietary FlowGuard electronic control regulates the delivery of fuel, air and a small portion of the sample gas to the FID. During combustion, gases are ionized, measured and reported as a concentration. This method provides fast gas measurement with some of the highest accuracy levels on the market.

Intuitive Interface
  • Modern GUI interface
  • Dual display capability
Simple Diagnostics
  • On-board data storage
  • Real-time graphing
  • Synchronous operation and data review
High Performance
  • Low detection levels
  • Fast measurement
  • Automatic calibration
  • 1 Fuel blend options available