Ametek Land LANCOM 4 - Page 80

Portable Flue Gas Analyser
User Guide
Lancom 4
16 - 2
Smoke Measurement This option is available when a heated smoke probe has been purchased
as an option with the instrument. The time period (1 - 500 seconds) is the time the instrument
draws smoke through the test paper.
T.Ambient Displayed on the gas readings screen, printouts and data logs. The ambient air
temperature from a built in temperature sensor, in either degrees Celsius or Fahrenheit.
T.Gas
Displayedonthegasreadingsscreen,printoutsanddatalogs.Theprobeisttedwitha
typeKthermocoupletogivethetemperatureoftheuegasbeingmeasured.Thisisdisplayed
as T.Gas. The High Temperature Probe has no thermocouple.
Temperature SET-UP > SYSTEM > TEMPERATURE: Celsius, Fahrenheit. The units of temperature
of all displays and data logs.
Tg - Ta Displayed on the gas readings screen, printouts and data logs. This is a calculation of
thetemperaturedierentialbetweentheuegasandambient.
Unit No SET-UP > SYSTEM > UNIT NUMBER. This unit number is used to identify a measurement
location and may be a number between 0 and 999. The unit number is recorded on printouts
and in data logs.
Units of Pressure SET-UP > SYSTEM > UNITS OF PRESSURE hPa, wgc. User selected
pressure units - hPa or wgc
Units see Display units.
Velocity
Thevelocityoftheuegasatthemeasurementpoint.Thiscanbefoundusingaow
probe.Velocityisusedinthecalculationofmassow.
Water SET-UP > SYSTEM > WATER: Value %. The percentage of water contained in the
uegaswhenmeasuring‘WET’analysis.Thismustbeenteredcorrectlywhenwetanalysisis
selected. See also Wet Analysis.
Wet Analysis SET-UP > SYSTEM > ANALYSIS. Normally the gas reading given is dry analysis.
You must enter the watercontent of the ue gas (as a percentage) if you want to use wet
analysis.
Zero Calibration Ambient air is used to calibrate the zero point for the gas sensors. Additionally
aspancalibrationmustbeperformedevery6monthsusingcertiedcalibrationgases.