The Model HC-404 is a self contained, fixed wavelength infrared analyzer designed for rapid accurate analysis of total petroleum hydrocarbons in water, soil and sludge samples. Features • Fixed wavelength 2930 cm-1 (3.42µ) allows for quick analysis without unnecessary scanning. • Digital readout in %T and absorbance, or in concentration mode for direct ppm readings. • Accommodates 10, 50, or 100 mm quartz cells for analysis to 1ppm or lower detection levels. • Built-in scale expansion and extended linear range for high concentration, using a simple 3-step calibration. • Peltier cooled PbSe detector provides greater than 2500 to 1 signal to noise ratio, resulting in the very best detection levels and excellent instrument stability. • Small foot print requires minimal lab space. • Hot quartz halogen source for the highest output possible. • Instrument simplicity. Intuitive controls allow for immediate operation. • analyzing water on offshore oil rigs • on-site oil in water analysis • monitoring of oil & water separation systems • TPH in soil at clean up sites or around underground oil tanks • measurement of oil residue in solvent from metal parts cleaning • Testing hydrocarbon levels in recycled solvents
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