/// <summary>
/// Get the calibration gas concentration.
/// </summary>
/// <param name="sensor">The sensor to get the concentration for.</param>
/// <param name="endPoint">The gas end point that contains the gas.</param>
protected double GetCalibrationGasConcentration(InstalledComponent installedComponent, GasEndPoint endPoint)
{
const string func = "GetCalibrationGasConcentration: ";
Sensor sensor = (Sensor)installedComponent.Component;
double availableConcentration = DomainModelConstant.NullDouble;
string gasCode = sensor.CalibrationGas.Code;
double lelMultiplier = GasType.Cache[gasCode].LELMultiplier;
MeasurementType sensorMeasurementType = ((SensorType)sensor.Type).MeasurementType;
Cylinder cylinder = endPoint.Cylinder; // Get the cylinder.
// For nitrogen cylinder's, being used for O2 bumps, we assume 0% O2.
if ((gasCode == GasCode.O2) && cylinder.ContainsOnlyGas(GasCode.N2))
{
availableConcentration = 0.0d;
}
else
{
// Determine the gas concentration of the gas to use.
foreach (GasConcentration gasCon in cylinder.GasConcentrations)
{
if (gasCon.Type.Code == gasCode)
{
availableConcentration = gasCon.Concentration;
break;
}
else if ((gasCode == GasCode.O2) && (gasCon.Type.Code == GasCode.FreshAir))
{
availableConcentration = 209000d;
break;
}
}
}
// If we didn't find anything with the gas.
if (availableConcentration == DomainModelConstant.NullDouble)
{
throw new CorrectBumpTestGasUnavailable(gasCode);
}
Log.Debug("Sensor cal gas concentration: "
+ sensor.CalibrationGasConcentration + " res: " + sensor.Resolution);
// Check the measurement type for how to multiply the concentration.
if (sensorMeasurementType == MeasurementType.LEL)
{
availableConcentration *= lelMultiplier;
availableConcentration = Master.Instance.ControllerWrapper.Round(availableConcentration, 0);
}
else if (sensorMeasurementType != MeasurementType.PPM)
{
availableConcentration /= 10000;
}
if (availableConcentration == sensor.CalibrationGasConcentration)
{
return(sensor.CalibrationGasConcentration); // Its the correct concentration.
}
availableConcentration = Master.Instance.ControllerWrapper.Round(availableConcentration, 2);
Log.Debug("gas: " + gasCode + " new conc: " + availableConcentration);
// INS- RHP v7.6 - For MX6v4.4 and above, Set the sensor's calibration gas concentration to
// match the concentration of gas end point that contains the gas.
//if (_returnEvent.DockedInstrument.Type == DeviceType.MX6 && new Version(_returnEvent.DockedInstrument.SoftwareVersion) >= _MX6_v44
// && availableConcentration > 0.0d && sensor.BumpCriterionType != CriterionType.PPMLimit)
//{
// // If sensor is %vol, and it has a zero resolution, then we want to round the concentration
// // up to the next integer value. e.g., if cylinder contains 2.1% gas, then we want to round
// // it to 3.
// if (sensorMeasurementType == MeasurementType.VOL && sensor.Resolution == 1.0)
// {
// Log.Debug(string.Format("{0}Sensor is %VOL and has resolution of zero decimals. Rounding {1} up to next integer",
// func, availableConcentration));
// availableConcentration = Math.Ceiling(availableConcentration);
// }
// Log.Debug(string.Format("{0}SETTING SENSOR FROM CONCENTRATION {1} TO {2}, (res={3})", func, sensor.CalibrationGasConcentration, availableConcentration, sensor.Resolution));
// // Set the sensor's calibration gas concentration.
// _instrumentController.SetSensorCalGasConcentration(installedComponent.Position, availableConcentration, sensor.Resolution);
// Log.Debug(string.Format("{0}NEW CONCENTRATION: {1}", func, _instrumentController.GetSensorCalGasConcentration(installedComponent.Position, sensor.Resolution)));
//}
return(availableConcentration);
}