Products & Services
Custom Gas Chromatographs - GC-2045
Chemtron GC2045 Gas Chromatograph system has been designed using PLC control system. System consists of precision EPC flow control, sampler, separation system, column oven, detectors, and temperature control, detector and chromatography workstation. Controls and parameter setting established by the 4” Color Touch Screen display with real-time display of all parameters setting value and actual value.
Features:
- Auto diagnostics and self-check on power on
- Choice of various Detectors
- PLC based system
- 4” HMI Touch Screen Color Display
- Modular and Compact
- EPC Flow Controller RS 232 Link up
- Ambient to 400°C with ±0.1°C

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Product Characteristics:
- Provision for Packed and Capillary Column Injector Ports
- Choice of Inlet systems: Packed, Capillary, Methanizer, PTV, GSV Auto diagnostics and self-check on power on
- Electronic safety cut off with alarm (audio-visual) for all heated zones
- Auto cooling with forced air convection through the with user definable set point
- Oven Temperature Isothermal and Ramping Mode with 3 Steps and 10 Method files
- Advanced built-in data acquisition system, supporting real time instrument status monitoring, detection signal acquisition
- Column Compartment Oven with superior thermal performance
- Column oven accommodates up to 3 chromatographic columns, and supports multi oven ramps to quick heat-up and rapid cool-down with automated back-door opening
- Self-diagnosis/ self-protection function (overheat protection, power-off protection, etc.)
Specifications
Column Oven
Dimensions | 300W x 300D x 300H in mm |
Volume | 28 Liters |
Operating Temp. Range | Ambient to 400°C in Steps of 1° C |
Temperature Stability | ± 0.1°C |
Cooling Speed | 250°C to 50°C in 8 mins. |
Overheat Protection | User Defined Set Point (Electronic Control) |
Injectors | Maximum Three can be assembled |
Detectors | Maximum Three can be assembled |
Isothermal Temp. Range | Ambient to 400°C in Steps of 0.1° C |
Ramping Temperature | Upto 150°C at 30°C/min. Upto 250°C at 20°C/min. Upto 325°C at 15°C/min. Upto 400°C at 10°C/min. |
Number of Ramps | Three |

Injector Port System
Injection Design | Vertical |
Injection System | Split/ Split less |
Adapters | Suitable for 1/4" & 1/8” Tubing, Packed or Capillary Columns |
Operating Temp. Range | Ambient to 400°C in Steps of 1° C |
Temperature Stability | ± 0.1°C |
Overheat Protection | User Defined Set Point (Electronic Control) |

Pneumatic System
- 4” Touch Screen HMI interface for Gas Flow
- Value entering EPC For Carrier gases and Air, Hydrogen
- Automatic TCD Filament Supply Cut Off in case of depletion of carrier gas flow

Display and Control
4” Touch Screen HMI interface for Gas Flow and Temperature Value entering
Dimensions | 24” W * 24” D * 26” H |
Weight | 68Kgs |
Power | 230V AC, 50Hz, 2KW |

Optional Attachments
- Gas Sampling Valve (Auto/ Manual) 6-Port/ 8-Port/ 10-Port
- Methanizer (For CO and CO2 gas)

TCD - Thermal Conductivity Detector
Design | Dual Path, 4-Filaments |
Material | SS316L |
Filaments | Tungsten-Rhenium |
Filament Current | 0 – 300 mA |
Mode | Low and High |
Operating Temp. Range | Ambient to 400°C in Steps of 1° C |
Temperature Stability | ± 0.1°C |
Overheat Protection | User Defined Set Point (Electronic Control) |
Sensitivity | 1000ppm of N2 or O2 |
Noise | Less than 1 x 10 -10 Amp. |
Signal Output Voltage | - 2.5 V to 2.5V |
Integrator Voltage | -0.4 V to 1.5V |

FPD - Flame Photometric Detector
Design | Forced Air Diffusion Enclosed |
Material | SS316L |
Detector | PMT |
Mode | Low and High |
Operating Temp. Range | Ambient to 400°C in Steps of 1° C |
Temperature Stability | ± 0.1°C |
Overheat Protection | User Defined Set Point (Electronic Control) |
Sensitivity | 200ppb of COS or CS2, 2ppm of H2S |
Temperature Stability | ± 0.1°C |
Noise | Less than 1 x 10 -15 Amp. |
Signal Output Voltage | - 1.5 V to 1.5V |
Integrator Voltage | -0.4 V to 1.5V |

FID - Flame Ionisation Detector
Design | Forced Air Diffusion |
Material | SS316L |
Mode | Single or Dual Column with Dual Amplifier |
Operating Temp. Range | Ambient to 400°C in Steps of 0.1° C |
Temperature Stability | ± 0.1°C |
Overheat Protection | User Defined Set Point (Electronic Control) |
Sensitivity | 0.017 Coulombs/g. |
Dynamic Range | 107 |
Temperature Stability | ± 0.1°C |
Sensitivity | 5 x 10 -13 Amp. |
Ranges | 1:100, 1:1000 |
Noise | Less than 1 x 10 -13 Amp. |
Signal Output Voltage | 1.5 V to 1.5V |
Integrator Voltage | 0.4 V to 1.5V |

DGA Mixture
Parameter Details:
- Name of Detector – FID (temp-200°C, Sensitivity-High)
- Column Detail – Plot Q Column ( 30 mtr. Long, 0.53 mm ID)
- Carrier gas – helium -5 ml /min spit ration 1:6
- Oven Temperature Program – 40°C hold for 3 min Then Rise up to 180°C
- Injection : Temperature 40°C
- Injection Volume: 0.5 ml by 6 port gas sampling valve
- Sample : 100 ppm DGA mixture Standard

Permanent Gas Impurity
Parameter Details:
- Name of Detector – HID (temp-180°C, Sensitivity-High)
- Column Detail – MS-13X SS packed Column (9 ft Long, ¼” OD, Mesh size 40/60)
- Carrier gas – helium -25 ml /min at Column back pressure 20 psi
- Oven Temperature Program – 60 deg Isothermal
- Injection : Temperature 40°C
- Injection Volume : 0.25 ml by 6 port gas sampling valve
- Sample : 100 ppm Permanent gas Impurity standard

Hydrocarbon Mixture-A
Parameter Details:
- Name of Detector – FID (temp-200°C, Sensitivity-High)
- Column Detail – Plot Allumina with KCl (30 mtr. Long, 0.53 mm ID)
- Carrier gas – helium -5 ml /min spit ration 1:6
- Oven Temperature Program – 40°C hold for 4 min Then Rise up to 185 deg final hold 30 min
- Injection : Temperature 40°C
- Injection Volume : 0.1 ml by 6 port gas sampling valve
- Sample : Hydrocarbons mixture Standard

Natural Gas Mixture
Parameter Details:
- Name of Detector – TCD (temp-120°C, Sensitivity-Medium)
- Column Detail – Plot Q column (30 mtr. Long, 0.53 mm ID)
- Carrier gas – helium -5 ml /min spit ration 1:6
- Oven Temperature Program – 40°C hold for 3 min Then Rise up to 185 deg final hold 30 min
- Injection : Temperature 40°C
- Injection Volume: 0.5 ml by 6 port gas sampling valve
- Sample : Natural gas mixture Standard

Hydrocarbon Mixture-B
Parameter Details:
- Name of Detector – FID (temp-200°C, Sensitivity-High)
- Column Detail – Plot Allumina with KCl (30 mtr. Long, 0.53 mm ID)
- Carrier gas – helium -5 ml /min spit ration 1:6
- Oven Temperature Program – 40°C hold for 4 min Then Rise up to 185 deg final hold 30 min
- Injection : Temperature 40°C
- Injection Volume: 0.1 ml by 6 port gas sampling valve
- Sample : Hydrocarbons mixture Standard

Technical Specifications
Column Oven | |
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Volume | 28 lit |
Temp. Range | Ambient to 450°C |
Resolution | 0.1°C |
Temp. Read out | 4” Colour HMI Display |
Temp. Accuracy | ± 0.1°C |
Temp. Stability | ± 0.1% |
Overheat Protection | Dual Electronics + S/W |
Auto Cooling Option | Forced Air Cooling |
Heating Rate | 50°C to 450°C in 8 Min. |
Cooling Rate | 450°C to 70°C in 8 Min |
Ramping Steps | 3 Ramps |
Method Files | 10 |
Oven Door Protection | Relay Switch |
Injector Port | |
Injection System | Split/ Split less or Packed |
Injection | Top |
Temp. Range | Ambient to 450° C |
Adapters | 1/4" & 1/8” Tubing |
Temp. Stability | ± 0.1°C |
Columns | Packed or Capillary Columns |
FID Detector | |
Design | Forced Air Diffusion |
Dynamic Range | 107 |
Material | SS316L |
Ranges | 1:100 & 1:1000 |
Sensitivity or MDL | 1ppm of CH4 |
Temp. Range | Ambient to 400° C |
Noise | Less than 1 x 10 -10 Amp. |
Temp. Stability | ± 0.1°C |
TCD Detector | |
Design | Dual Path, 4-Filaments |
Filaments | Tungsten-Rhenium |
Material | SS316L |
Filament Current | 0 – 300mA |
Mode | Low and High |
Temp. Range | Ambient to 450° C |
Sensitivity or MDL | 1000ppm of N2 or O2 |
Temp. Stability | ± 0.1°C |
FPD Detector | |
Design | Forced Air Diffusion |
Ranges | 1:100 & 1:1000 |
Material | SS316L |
Temp. Range | Ambient to 450° C |
Detector | PMT |
Temp. Stability | ± 0.1°C |
Noise | Less than 1 x 10 -15 Amp. |
Sensitivity or MDL | 200ppb of COS or CS2, 2ppm of H2S |