MM850402-06 Gas Analysers 3000-4000 - om.gr

Instruction Manual MM850402 ed. 06Press [MENU] to display the following page:MENUMEASUREION. CORRFLOW/RETURN TEMPGAS VELOCITY–NEXTESCAPE• Use [] and [] to move the cursor symbol to “FLOW/RETURN TEMP” option• Press the [ENTER] key to display the following page:FLOW/RETURN TEMPTemper.: 40.0 °CFlow...: 40.0 °CReturn.: --.- °CDiffer.: --.- °CCOPYESCAPE–On the “Measure” field, the instrument will display the current temperature value measured using the connectedthermocouple. The error message “Tc open” will be displayed if the thermocouple is not connected or broken.Positioning the thermocouple on the flow pipe.• Use the [] and [] to move the cursor symbol to “T. Flow” field.• Press [COPY] to copy the current temperature as T. Flow value.• Press [ENTER] to manually change the temperature valuePositioning the thermocouple on the return pipe.• Use the [] and [] to move the cursor symbol to “T. Return” field.• Press [COPY] to copy the current temperature as T. Return value.• Press [ENTER] to manually change the temperature valueThe instrument will show the difference between the two values.Press [ESCAPE] (F1) to return to the previous page. The temperature values will be printed on the ticket report.7.7 Gas velocity measurementThe 3000-4000 series, is arranged for chimney speed measuring. For this measurement you need a Pitot tube tobe connected to the differential pressure inputs.Connect the “+” terminal of the tube to “P1” connector and the “-“ terminal the “P2” the instrument connector.• Press [MENU] to display the following page:MENUMEASUREION. CORRFLOW/RETURN TEMPGAS VELOCITY–NEXTESCAPE• Use the [] and [] keys to move the curser symbol to “GAS VELOCITY” Option and press [ENTER].35