Instruments - Gas Chromatographs

Series 816 High Performance Gas Chromatograph

Our Series GM 816 High Performance GC is a system that will take you to the next level of applicated GC performance. Readily adaptable, the GM 816 is an essential tool for research and quality control in a broad range of industries and specialty applications.

Custom engineered to fit industry-specific applications
Detectors: TCD, DID, FID, FPD (dual detector capability)
Corrosion resistant flow systems (optional)
Supports 10 columns/7 automated valves in single application
Softkey keypad with four line alphanumeric display
Six ramp oven temperature programming control
Contact sensitive HELP function
Run and clock time programming
Stop watch function
Four 24 V valve drivers
Two 24 V low power relays
Two 48 V contacts for external event control
Power failure memory protection
Dual channel analog output (1 mV, 1 V, 10 V)
Remote diagnostic communication capability
Two channels of single column baseline compensation
Built-in IEEE-488 and RS-232-C communication interfaces
Built-in diagnostics and comprehensive self-test
Compatible with any data management system
Electronic Pneumatic Controls for all pneumatic parameters
Run logs record system conditions and note deviations from expected values
Power: 120-240 V, 50-60 Hz

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Series 600 Temperature Programmable Gas Chromatograph

The Series 600 is a fully programmable research grade gas chromatograph. Each GC is custom manufactured to your specific application, whether it is environmental, petrochemical, pharmaceutical, food and flavors, solvent or industrial chemicals.

Microprocessor controlled temperature programming (CPU: 33 MHz 80386SX)
Processing ability: 32-bit
Detectors: TCD, FID, PFD, or PID (dual detector capability)
Detectors independently temperature controlled operated singularly, in series or in parallel
RS-232 and RS-422/RS-485 communication interfaces
Temperature programming in 1 °C increments
Programming rate: 0.1 °C to 40 °C/min in 0.1 °C increments
Column temperature range: ambient +5 °C to 450 °C
Column temperature overheat protection
Ten ramp oven temperature programming control
Store up to 10 methods with security PIN
Injection modes: direct packed; capillary — split/splitless; gas and liquid sample valves
Three independently controlled injection modules maximize efficiency, accuracy, and reproducibility
Electronic pressure programming (EPP) (optional)
Six external events and five heated zones
8-line EZ-view LCD display with touch keypad user interface
Differential flow controls
Corrosion resistant systems available
Power: 120-240 V, 50-60 Hz

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Series 590 High Purity Gas Analysis Gas Chromatograph

The Series 590 GC features our patented Discharge Ionization Detector (DID) which permits analysis of trace gas impurities in the part per billion (ppb) range. Manufacturers of UHP specialty, electronic and bulk industrial gases are successfully using the Series 590 DID GC to analyze gases for ppb level of contamination.

Each Series 590 GC is custom built to a particular application. Contact us to discuss the details or your specific requirements.

Discharge Ionization Detector (DID) — non-selective, non-radioactive, universal and concentration dependent
Detector sensitivity: < 10 ppb CH₄
Detector linearity: > 10⁵
Dynamic range of < 5 ppb to < 1% by volume
High analytical precision: ± 1% full scale
Output: 4-20 mA (optional); 0-1 mV
Helium purged housing eliminates system contamination and increases system sensitivity
Bellows type metering valves for independent flow control of column carrier gases and detector discharge gas
Choice of standard or corrosion resistant system
Installation: bench or 19” rack mount
On-line monitoring and valve manipulation by software or linking workstation
Power: 120-240 V, 50-60 Hz

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Series 580 Research Gas Chromatograph

The Series 580 Gas Chromatograph sets the standard for reliable performance in a wide range of applications. So impressive has the performance of this GC been, that many 580 users refer to it as "The Workhorse" instrument of their laboratory. The Series 580 GC can be customized to fit the exact requirements your application requires, utilizing either a TCD, FID, DID or PID detector.

Isothermal Operation
Detectors: TCD, FID, DID, or PID
Direct On-Column Injection or Gas Sample Valve: packed, capillary — split/splitless
Single or Dual Column
Accommodates 1/8” or 1/4” o.d. metal, 6 mm glass, or capillary columns
Column temperature range: ambient to 400 °C
Column oven temperature protection circuit
Readout: 3-1/2 digit LED digital display
Independent Temperature Controls for Column Oven, Detector, Injection Ports
On-line monitoring and valve manipulation by software or linking workstation
Microscale Compatible: heated, threaded exit ports, (optional — TCD only)
Signal Amplifier, x10 (TCD — optional)
Choice of standard or corrosion resistant system
Installation: bench or 19” rack mount
Power: 110-220 V, 50-60 Hz

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Series 400 and 400-P Gas Chromatographs

The Series 400 and 400-P Isothermal, Thermal Conductivity Detector (TCD) Gas Chromatographs are rugged, compact, affordable, service-free GCs designed for high capability performance while withstanding rough, student or industrial use. They meet the demands for teaching the principles of gas chromatography, chemistry and biochemistry. In January 2005, the Series 400 GCs replaced our very popular Series 350 GCs.

Isothermal Operation
Detector: Thermal Conductivity Detector (TCD)
Direct On-Column Injection or Gas Sample Valve (manual or pneumatic)
Single or Dual Column
Microscale Compatible: heated, threaded exit ports (optional)
Accommodates 1/8” or ¼” o.d. metal or 6 mm glass columns
Signal Amplifier, x10 (optional)
Independent, Direct Set, Temperature Controls for Column Oven, Detector, Injection Ports
Operating temperature: ambient to 300 °C
Power: 110-220 V, 50-60 Hz

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Series 400MGA Medical Gas Analyzer

The GOW-MAC Series 400MGA Medical Gas Analyzer is a gas chromatograph with a thermal conductivity detector (TCD). The analyzer is expressly configured for the rapid analysis, quality control, and validation of medical gases as called for by the latest US Pharmacopeia (USP) gas assay and identity test compliance monographs. The Series 400MGA will assure your product conforms to GMP (good manufacturing practice) standards as required by 21 CFR 211.22. Complete application documentation, method development and test chromatograms are included with each instrument.

Assays and Identity Tests
99.9% USP Nitrogen Assay and Identity Test for Medical N₂
97.0% USP Nitrogen Assay and Identity Test for Medical N₂
99.0% USP Helium Assay and Identity Test for Medical Helium
99.9% USP Carbon Dioxide Assay and Identity Test for Medical CO₂
99.9% USP Nitrous Oxide Assay and Identity Test for Medical N₂O

400MGA

Isothermal Operation
Detector: Thermal Conductivity (TCD
Gas Sample Valves (manual or pneumatically automated
Dual, Preconditioned Columns
Independent, Direct Set, Temperature Controls for Column Oven and Detector
TCD Bridge Control: Continuous Current to adjust to 300 mA
Temperature readout: 3-½ digit LED digital meter
Filament Protection Circuit
Operating temperature: ambient to 300 °C
Power: 110-220 V, 50-60 Hz

We also provide medical gas analyzers for:

Lung Diffusion Mixtures
Anaerobic Gas Mixtures
Clinical Blood Gases
Laser Gases

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Series 400-GP Gas Partitioner

The Series 400-GP Gas Partitioner is specifically designed for the quantitative determination of substances which are gaseous at room temperature. These substances include respiratory gases, blast furnace and flue gases, all of the permanent gases, as well as light hydrocarbons, and head-space gases. In addition, the instrument can easily be adapted for other analyses (light hydrocarbons up to C₅, H₂S, and SO₂) by changing the chromatographic columns.

Isothermal Operation
Detector: Thermal Conductivity Detector (TCD)
Direct On-Column Injection or Gas Sample Valve
Dual Column
Operating temperature: ambient to 400 °C
Accommodates 1/8” or 1/4” o.d. metal or 6 mm glass columns
Monitors CO, CO₂, O₂, N₂, and CH₄ and light hydrocarbons up to C₅, H₂S, and SO₂
Power: 110–220 V, 50-60 Hz

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Series 200 Gas Chromatograph

The GC offers various system configurations, each dependent upon the detector chosen
Detector: TCD, DID, FID, NPD, FPD or PID
Injection modes: capillary — Megabore® and micropacked
Sample introduction: gas sample valve
Column temperature range: ambient +10 °C to 160 °C
Installation: 19” rack
Power: 110–220 V, 50-60 Hz

* Specifications are subject to change without notice. Specifications will vary depending upon the application.

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Series 200DID Gas Chromatograph

The Series 200DID Gas Chromatograph is a 19” rack mounted analyzer. This instrument employs our patented discharge ionization detector (DID) and offers custom, application specific system configurations optimized exclusively for gas analysis. The Series 200DID GC is a self-contained instrument therefore chromatography software is not needed. Two modes of operation are present in the analyzer — manual mode for method development and/or research; and automated mode for process analysis.

Applications include, but are not limited to: Grade 6 - Electronic gases; Grade 6 – Inerts; Grade 5 - UHP Quality Gases: air, Ar, He, CO₂, O₂, N₂, H₂; high purity, stable gas mixtures for gaseous laser applications, i.e., laser surgery, drilling, welding, bar coding generation, cutting, and filter perforation; certified trace gas mixtures; basic and applied research; calibrating lab; process control.

Corrosive and inert sample compatibility
Mass flow controllers
Laminar flow system with low dead volume
VCR fittings and orbital welds at critical connections
Sample introduction by means of pneumatically actuated gas sampling valves
Onboard computer control of valves
Up to (5) micro-packed, capillary or 1/8” packed columns, system dependent
Column oven operating temperature: ambient +10 °C to 150 °C
Up to 6 temperature zones
Detector operating temperature: 125 °C maximum
Vacuum fluorescence (VF) graphical display
Communication Protocol: Serial
Installation: 19” rack
Power: 105 - 240 VAC, 50/60 Hz

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Series 110TCD Gas Chromatograph

The Series 110TCD Gas Chromatograph is a 19” rack mounted analyzer. The GC employs a highly sensitivity thermal conductivity detector (TCD) optimized expressly for gas analysis. The GC offers custom, application specific system configurations for your gas analysis needs.

Independent flow control of each column
Laminar flow system with low dead volume
Sample introduction via pneumatically controlled automatic gas sampling valves
Two column and one detector oven
Independent temperature controls for column ovens and detector
Column oven temperature range: ambient to 350 °C
Solid state proportioning temperature control with direct digital setting
Digital display temperature readout
Accommodates micro-packed and 1/8” packed columns
Built-in signal amplification
Filament protection circuit
4-20 mA output
Choice of standard or corrosion resistant system
Communicates using most commercially available chromatography software
Installation: 19” rack
Power: 120-240 VAC, 50/60 Hz

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Series AR710 HFADD Gas Chromatograph

The Series AR710 HFADD is designed for trace gas analysis of impurities in argon.

Applications: specialty gas manufacturers, industrial processes requiring inert argon, the electronics industry, gas separation plants, air separation plants, nuclear industry, certification of argon purity, semiconductor industry

Analysis of trace H₂, O₂, N₂, CH₄, CO and CO₂ in high purity argon (ppb)
Sensitivity — H₂: < 15 ppb; O₂: < 75 ppb; N₂: < 100 ppb; CH₄: < 30 ppb;
CO: < 100 ppb; CO₂: <100 ppb
Analytical cycle: all components < 10 minutes
High analytical precision: ± 1% full scale
High stability and reproducibility
Output: 0-100 mV; 4-20 mA (optional)
Options: automatic or manual operation modes, auto-zero
On-line monitoring by linking workstation
Installation: bench or 19” rack
Power: 110-220 V, 50-60 Hz

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