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PID Analyzers - Model 322 -Compact Lab Gas Chromatograph (GC) System
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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- PID Lamps: Our 9.5 and 10.6 eV lamps remain the best in the business since we developed them over 30 years ago.
- Display: NA - Requires external PC (not included).
- ADC: 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.
- FID: Our very sensitive FID has flame out sensor that will shut off the hydrogen if the flame goes out.
- PC: Requires Pentium Computer (not provided) with > 1 GByte of RAM and hard drive > 40 Gbyte.
- Autoranging: The 322 has 3 ranges with computer controlled autoranging- x1, x 10, x 100.
- FPD: Our very sensitive FPD has flame out sensor that will shut off the hydrogen if the flame goes out.
- Operating system: Windows XP® (not provided).
- Autozero: Beginning of each run.
- Ease of calibration: Manual.
- Peak Detection & System Operation: Controlled by our 32 bit PeakWorks software program with more than 20 years of development.
- Programmable Voltage/current output: 0-1VDC.
- Digital outputs: USB connection.
- Oven
- Size: 7`` x 7``
- Typical column diameter: 3.5``
- Temperature range:
- Isothermal: 25-150 Degrees Celcius
- Temperature programmed: 25-200 Degrees Celcius.
- Detectors: Photoionization detector (PID), Flame ionization detector (FID), Thermal conductivity detector (TCD), Flame photometric detector (FPD), Far UV absorbance (FUV) detector, Catalytic combustion detector (CCD)
- Linear Dynamic Range: PID - 108 FID - 2 x 106 TCD - 2 x 104 FPD- S - 103; P 105 Far UV - 106 CCD - 5 x 104
- Sample Flow Rate: > 0.5 LPM
- Power consumption: 60 Watts; 90-220 V
- Species measured:
- 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
- Sensor(s): 1 or 2 detectors
- Injection: On-column syringe injection or automatic with 6 port gas valve (optional)
- Dimensions: Enclosure - 9.5`` W x 11.5``H x 16 ``D
- Precision: +/- 1-2% of reading
- Span Drift: <1% over 24 hours
- Weight: Steel case - 17.5 pounds
- Detection Limit:
- PID - 0.5 ppb benzene
- FID - 50 ppb benzene
- TCD - H2 - 10 ppm; O2 150 ppm
- Response time: Depends on retention times
- Zero Drift: NA- autozero on each run
- Instrument operating conditions: 5-40 degrees C, 0-95% RH (non-condensing)