Model 322 Compact Lab GCClick here to enlarge
- The Model 322 provides analytical capabilities unmatched by any other compact GC.
- The Model 322 dual-detector capability combined with its isothermal or temperature programmed oven, choice of injectors, and the ability to accommodate packed or capillary columns provides exceptional stability and flexibility for a wide range of environmental, laboratory, and mobile lab applications.
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|Detectors:||Species measured:||Detection Limit:|
|Photoionization detector (PID), Flame ionization detector (FID), Thermal conductivity detector (TCD), Flame photometric detector (FPD), Far UV absorbance (FUV) detector, Catalytic combustion detector (CCD)||PID & FID: Organics (VOCs by PID or FID) and inorganic species (H2S, NH3, AsH3… ) that can be ionized by the PID lamp (9.5, 10.6 or 11.7 eV)
TCD: Universal detector- fixed gases (O2, N2, CO…), organic and inorganic compounds, very sensitive for H2, He, Xe
FPD: Selective response for S or P compounds
Far UV: Nearly universal response for organic and inorganic compounds
CCD: Combustible compounds such as hydrocarbons
|PID - 0.5 ppb benzene
FID - 50 ppb benzene
TCD - H2 - 10 ppm; O2 150 ppm
|Linear Dynamic Range:||Sensor(s):||Precision:||Response time:|
|PID - 108 FID - 2 x 106 TCD - 2 x 104 FPD- S - 103; P 105 Far UV - 106 CCD - 5 x 104||1 or 2 detectors||+/- 1-2% of reading||Depends on retention times|
|Sample Flow Rate:||Injection:||Span Drift:||Zero Drift:|
|> 0.5 LPM||On-column syringe injection or automatic with 6 port gas valve (optional)||<1% over 24 hours||NA- autozero on each run|
|Power consumption:||Dimensions:||Weight:||Instrument operating conditions:|
|60 Watts; 90-220 V||Enclosure - 9.5'' W x 11.5''H x 16 ''D||Steel case - 17.5 pounds||5-40 degrees C, 0-95% RH (non-condensing)|
|PID Lamps||FID||FPD||Ease of calibration|
|Our 9.5 and 10.6 eV lamps remain the best in the business since we developed them over 30 years ago.||Our very sensitive FID has flame out sensor that will shut off the hydrogen if the flame goes out.||Our very sensitive FPD has flame out sensor that will shut off the hydrogen if the flame goes out.||Manual.|
|Display||PC||Operating system||Peak Detection & System Operation|
|NA - Requires external PC (not included).||Requires Pentium Computer (not provided) with > 1 GByte of RAM and hard drive > 40 Gbyte.||Windows XP® (not provided).||Controlled by our 32 bit PeakWorks software program with more than 20 years of development.|
|ADC||Autoranging||Autozero||Programmable Voltage/current output|
|Our 16 bit ADCs provide a resolution of 1 part in 64,000 and our signal algorithm minimizes noise by signal averaging in the msec range; the ADC can acquire positive or negative signals- Uses USB connection to external PC.||The 322 has 3 ranges with computer controlled autoranging- x1, x 10, x 100.||Beginning of each run.||0-1VDC.|
|USB connection.||Size: 7'' x 7''
Typical column diameter: 3.5''
Isothermal: 25-150 Degrees Celcius
Temperature programmed: 25-200 Degrees Celcius.