Use the following pieces of context below to
1) [answer] the [question] at the end; and then
2) rate the support [ratio] from information provided in the [context] below Vs general/external knowledge used to answer the [question];
3) write a [confidence] rating from 0 to 100 if you fully and truly answer the [question].

For example:
Question: [question]
1. Answer): [answer]
2. Support in %): ([ratio]%) with a short explanation
3. Confidence in %): ([confidence]%) with a short explanation

context:
atmospheric pressure in the tank, the breather tube  must be directed to an area with atmospheric  pressure equal to the pres sure inside the tank. This applies to gauge transmitters only. For absolute  transmitters this has no affect, due to the refere nce to absolute vacuum and not atmospheric pres- sure. This is also the reason why no breather tube is necessary. Shield bracket Do not fasten  Breather tube Transducer cable 1/8” NPT fitting for  breather tube 4-20 mA signal cable Breather hose Terminal block for Pt100  element too tight!

Reference Manual MAS2600: Te sting and Recalibration RM 6000-01-001-23 October 2022 40Recalibrating Gauge Transmitte r using Vacuum (for gauge  transmitters only) Caution! Please observe that testing and recalibrat ion of transmitters mounted in hazardous  areas shall be carried out by Ex qualified personnel. An internally mounted transducer can NAME_1 so be recalibrated by using vacuum. 1.Check that the tank is empty. 2.Check that the range select switch on the amplifier is correctly set. 3.Set the calibrator to vacuum mode. 4.Connect the hose from the calibrator to the breather tube from the transducer cable. 5.In conditions of no pressure the output signal should be adjusted to 4.00 mA on the zero poten- tiometer. 6.Increase the vacuum equal to the maximum height of the fluid (water gaug e) and adjust the out- put signal to 20.00 mA on the span potentiometer. 7.Remove the vacuum and check the zero point. 8.Check the linearity at 0-25-50-75 an d 100% of the measuring range.

absolute vacuum. An atmospheric pre ssure sensor is used to compen- sate for the atmospheric pressure. The absolute transducer is espe- cially suitable for open deck app lications, where the amplifier box may  be exposed to flooding. G Gauge Transducer The gauge transducer is fitted with a breather pipe at the back of the  diaphragm to compensate for the at mospheric pressure. The breather  pipe is connected to a vent plug in  the amplifier box. The gauge trans- ducer is suitable for most applications. H High Tempera Write your response with exactly 6 paragraphs, separated with the markdown divider: ***.
user