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Micro Gas Blender - MGB1000

Micro Gas Blender - MGB1000

The Need
Today's demanding trace impurity detection applications require the utmost in accuracy from the gas purity analyzers monitoring them. To ensure that these high technology analyzers are operating optimally, it is often necessary, or simply desired, to periodically verify their calibration.

The Solution
The Trace Analytical MGB1000 Micro Gas Blender generates consistent and reliable fixed-point gas concentrations at blend ratios up to 4,545 to 1. Applications include calibration and/or certification of gas analysis instrumentation.

The MGB1000 is ideal for calibrating ta3000 and ta5000 gas analyzers with ppm or ppb mixes of a single component or mixed component gas standard. The micro volume flow path enables single step blends quickly and reliably, without consuming large quantities of zero gas.

The MGB1000 is specially engineered for long term stability. All tubing and interconnecting fittings in the primary flow path of the MBG1000 are constructed from 316 stainless steel. Electronic pressure gauges are stable to within 0.1% of full-scale reading per year. As an extra precaution, each gas inlet line is protected from particulate matter by a 2 micrometer particle filter. The pressure-to-flow relationship of the capillary restrictors does not change with time, thereby providing stability virtually over the lifetime of the product.

Advantages

  • • Low cost operation
  • • Low zero gas consumption
  • • Reduces cylinder gas stocking requirements
  • • Extremely low internal volume
  • • Total shut-off of CAL-gas for blank runs
  • • Bench-top or 19" rack-mountable

    Specifications

    Front Panel: CAL-gas pressure adjustments and display
    Blended gas pressure adjustment and display
    Zero gas pressure display
    Calibration gas restrictor compartment
    Back-Pressure Regulators
    CAL-gas pressure: 100 psig (6.9 bar) max.
    Blend gas pressure: 15 psig (1 bar) max.
    Pressure Gauges
    Maximum Operating Pressure: 100 psig (6.9 bar)
    Linearity: + .025 psig (0.0017 bar)
    Temperature Effect: (22-28°C) + 0.5% of reading
    Repeatability: + 0.05 psig (0.0035 bar)
    1 year stability: + 0.1 psig (0.0069 bar)
    Readout: + 0.1 psig (0.0069 bar)
    Construction, diaphragm and Housing: 316 SS
    Flow Rate Reproducibility Over 1 Year
    Flow Rate < 0.1 mL/min: + 2% of reading
    Flow Rate > 0.1 mL/min: + 1 % of reading
    Electrical
    Standard: 110 VAC, 50-60 Hz
    Optional: 230 VAC, 50-60 Hz
    Mechanical
    Internal piping, primary flow path: 316 stainless steel
    Internal volume, primary flow path: < 0.5 mL
    Rear Panel gas ports: 1/16" compression
    Dimensions: 5.3" H x 16.8" W x 14.0" D (133 mm x 427 mm x 356 mm)
    Weight
    Net: 15.5 lb (6.8 kg)
    Shipping: 18.0 lb (8.2 kg)



Application Note

• Use and Accuracy


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