Ask about the method of drawing gauges
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If it is a digital thermometer that is inserted into the reaction vessel, and its data can be transmitted to the computer in the control room, should there be a bar or not inside the circle drawn to represent it?
There’s another option: the thermometer is installed on the reaction vessel, but instead of having a display panel, it sends out data. Next to the reaction vessel, there’s a box containing the digital display for the thermometer. Does this count as on-site installation or as an on-site panel installation?
This is considered part of the on-site work; it follows the on-site drawing method, with a circle. The first one is a combination of on-site and remote control: a circle marked on-site, with a horizontal line for the remote control version
The first one is that the gauge needs to have two circles drawn, with a horizontal line in the middle of one of them