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Siemens SIPROCESS GA700 Operating Manual
Also see for SIPROCESS GA700: Compact operating instructionsQuick startOperating instructionsOperating instructionsCompact operating instructions
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Functions6.9 [2.10] Settings > Correction of cross-interferencesOperating with the Local User InterfaceOperating Manual, 06/2017, A5E31930478-05 161With the quadratic correction of cross-interference (ULTRAMAT 7), two correctioncoefficients are determined for two distinctly different interference gas concentrations. Onecorrection coefficient operates linearly, the other as a square of the interference gasconcentration.Table 6- 36 Correction of cross-interference characteristicsFeature OXYMAT 7 ULTRAMAT 7 CALOMAT 7Linear correction coefficient Yes 1) Yes Yes 3)Quadratic temperature coefficient No Yes NoDetermination of correc-tion coefficient(s)Direct input Yes Yes NoMeasurement (wizard) Yes Yes NoReference table (firm-ware) 2)Yes No No1) With OXYMAT 7 always with regard to 100% interference gas2) Correction of cross-interference coefficients which are component-specific and defined in thefirmware.3) Depending on the application, preset at factory or service (not displayed).6.9.3 Application scenarios6.9.3.1 Applications of OXYMAT 7Table 6- 37 OXYMAT 7: Application 1DescriptionConditions • The interference gas concentration is known and is assumed to be constant.• The influence of interference gas is stored in the interference gas reference table.Sequence • Input of the interference-gas component.• Input of interference gas concentration in the selected unit.Result The interference gas constant is determined from the entered concentration and a correctiontable stored in the device.Table 6- 38 OXYMAT 7: Application 2Description of application 2Conditions • The interference gas concentration is known and is assumed to be constant.• The influence of interference gas is not stored in the interference gas reference table.Sequence • Input of interference gas concentration in the selected unit.• Input of linear correction coefficient k1 in % always based on 100 % of the interference gas.Result The interference gas constant is determined from the input concentration and the input coeffi-cient. |
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