what do you mean by TT impulse line hook-up??????
The impulse line is the piping or tubing used to connect the transmitter to the process. To ensure correct readings, it is essential that impulse lines be installed correctly for the type of fluid that you are measuring. Consult your transmitter installation manual.
If you are mounting the transmitter below the datum line of the tank, the transmitter signal will go above 4 mA when the High side impulse line fills up and this will give a zero error compared to the tank actual zero level.
The transmitter needs a audio cable run from the trans. input to the TVs audio line out connectors A diagram for this should be in the packaging.
1: Guage pressure measurement by supply the HIGH side and venting the LOW side to the atmosphere 2: Measurement of level of open tank by connecting the impulse line at the bottom of the tank to HIGH side and venting the LOW side 3: Measurement of level of closed tank with liquid and Gass interface by connecting the the impulse at the bottom of the tank to HIGH side and the impulse line at the top of the tank to LOW side of the transmitter capsules 4': Measurement of Vacuum by connecting the impulse line in LOW side and venting the HIGH side to the atmosphere 5: Measurement of absolute pressure by supply the HIGH side and blinding or blocking the the LOW side
1: Guage pressure measurement by supply the HIGH side and venting the LOW side to the atmosphere 2: Measurement of level of open tank by connecting the impulse line at the bottom of the tank to HIGH side and venting the LOW side 3: Measurement of level of closed tank with liquid and Gass interface by connecting the the impulse at the bottom of the tank to HIGH side and the impulse line at the top of the tank to LOW side of the transmitter capsules 4': Measurement of Vacuum by connecting the impulse line in LOW side and venting the HIGH side to the atmosphere 5: Measurement of absolute pressure by supply the HIGH side and blinding or blocking the the LOW side
the connecting units between an instrument and a process pipe or vessel, the tube is commonly referred to as an impulse tube or impulse line.
If the motion is on a straight line and the impulse reverses the direction, the impulse will follow the same direction as the final motion.
The feed line is the cable or other transmission line that connects the antenna with the radio transmitter or receiver
The pressure transmitter should only be calibrated if the individual knows what they are doing. The calibration of the pressure transmitter needs to be done on the line of pressure.
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