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Manufacturing / Industrial • Inspections

AMI OXYGEN ANALYZER CALIBRATION USING SPAN GAS

REQUIRED COMPONENTS: • Certified span gas with approximately 80 ppm oxygen in background of nitrogen • Stainless-steel or brass body pressure-reducing regulator that is outfitted with inlet/outlet pressure gauges, with the outlet port being a compression fitting for ¼” tube (note: the regulator must have a diaphragm, made from one of the following materials – best option: stainless steel, secondary option: aluminum, or tertiary option: brass) • AMI-supplied flexible (non-diffusive) tubing or a length of stainless steel tubing • Tank wrench
TULS Dairy
02/29/2024

AMI OXYGEN ANALYZER CALIBRATION USING SPAN GAS

REQUIRED COMPONENTS: • Certified span gas with approximately 80 ppm oxygen in background of nitrogen • Stainless-steel or brass body pressure-reducing regulator that is outfitted with inlet/outlet pressure gauges, with the outlet port being a compression fitting for ¼” tube (note: the regulator must have a diaphragm, made from one of the following materials – best option: stainless steel, secondary option: aluminum, or tertiary option: brass) • AMI-supplied flexible (non-diffusive) tubing or a length of stainless steel tubing • Tank wrench

    IMPORTANT: Prior to calibrating with span gas, the Analyzer and sensor should have had sample gas flowing through them for a minimum of 45 minutes!

    IS THE SPAN FACTOR BETWEEN 400-600

    IF SPAN FACTOR IS HIGHER THAN 600 RPLACE SENSOR

Source: TULS Dairy (Community Member)

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