Netel - Model ChromPlus 4000 series -Gas Chromatograph

COLUMN OVEN

• Size : H 290 mm x W 280mm x D 173mm
• Volume : 14 Ltrs
• Temperature : 5°C above the ambient to 450°C
• Ramp Rate : 1°C to 70 °C per minute
• No. of Ramps : 10 with storage of 20 methods
• Cooling Rate - 250°C to 5 0°C within approx. 4 minutes at 25°C room
• Temperature Gradient : 2°C max (on 200 mm dia circumference, 40mm from the sensor)
• Temperature Accuracy : + 1 % of set value from 50° to 450°c 5 Independent Heated Zones 450°C

PNEUMATICS

• EPPC ( electronic programmable pressure controller) for Carrier gas, Hydrogen, Air and Make-up gas.
• Pressure switch provided to cut heating of oven, injector, detectors heater power in the event of carrier gas flow depletion
• Differential Flow Controllers for carrier gas for Packed Column
• Constant flow or Constant Pressure facility for split/splitless injector port .upto 0 to 1000 kPa (0 to145 psi )
• Psi/kPa/bar pressure units conversion facility for supported carrier gas N2,H2,He,Ar
• Split ratio : 9999:1

INJECTION SYSTEM

• Single/dual Split/split-less (capillary column) injector port or single/ dual packed column injection port
• Temperature range settable up to 450°C. in the steps of 1°C

DETECTOR 

FID 

• High sensitivity flame ionization detector with auto flame ignition, Temperature range settable up to 450°C. in the step of 1 °C
• Dynamic range : 10⁷
• Minimum Detection Level : <1.2pg C/sec of dodecane

TCD 

• Dual path four Tungsten-Rhenium filaments
• Temperature range settable up to 400°C in the step of 1 °C
• Filament current range : 0-400 mA
• Minimum Detection Level : 10 uv/ppm(vol) toluene
• Filament temperature 150 - 450 °C in steps of 75°C with
• Filament protection circuit

NPD/FTD/TID 

• Temperature range settable up to 450°C. in the step of 1 °C
• Minimum Detection Level : <0.1pg N/S C/sec (azobenzene) selective for nitrogen &<0.01pg P/S C/sec (malathion) selective for phosphorus.

• Pharmaceuticals 
• Petrochemicals 
• Environmental pollutants 
• Food and Cosmetic
• Energy and Chemicals
• Research 
• Industrial gases