Capillary double-flange level gauge

Since it’s already confirmed that the zero point will drift, there’s no need to worry about it – just switch to another watch. Your Yokogawa watch can be sent back to the factory for repair, if the cost is reasonable.

:Lol, it’s up to you – it’s not something you can control. The instrument itself is dumb and can’t be controlled; if it could be controlled, how would it drift? Just like during mating, it’s an instinct – a natural trait. Desire for food and sex is part of human nature.:lol Those who are overly flashy are attractive, but when the flashiness becomes excessive, it turns into something sinister; such people are porn addicts and perverts. Do you understand? Some foreign manufacturers, unable to solve the problem of excessive flashiness, resort to tricks like using fake signals or setting the display to 0.0000, making it seem as though the instrument isn’t working, in order to deceive people. Deceiving people is one thing, but they even have the audacity to claim that the device maintains a stable zero reading for 10 years – what boldness! Whenever there’s no pressure difference, if the display value doesn’t change at all, acting like a fool, then you need to be careful. A good watch doesn’t drift; rather, it drifts in a measured, controlled manner. For example, with the units place: 0, 1, 2, 3, 4……4, 3, 2, 1, 0……0, 1, 2, 1, 2, 1, 2, 1, 0…… It drifts in an orderly way, without going out of place – such is the behavior of a true gentleman.

"When the positive and negative chambers are open to the atmosphere, the current value still appears. This means that the pressure difference sensor is not subjected to a pressure difference of 0 – for example, if two flanges are at different heights, then even though the membranes of those flanges are open to the atmosphere, the pressure acting on the sensor is not 0 kPa. . . Looking further ahead, when the sensor is under pressure other than 0, using the \"zeroing\" function on the handheld controller is an incorrect approach. . . The instrument does not carry out your “zeroing” operation; this is because its program contains conditional statements that allow for intelligent decision-making – if it were to carry out your instructions, the accuracy of the instrument would be compromised. :lol. From now on, you can address all the “zero drift” issues you encounter by using the concept of “migration amount”. . If the instrument doesn’t behave properly, just try moving the seedlings around a few times, dozens of times, or even hundreds of times – and you’ll succeed. :lol You can think of it as fighting against the enemy every day; that’s also pretty good. :lol Consider those 49205455 claims to be nothing but nonsense, and I’m here to support you too. Hehehe :P

Additionally, if the instrument still shows a non-zero value after calibration, another possibility is that when you perform the \"calibration\" operation, the instrument does carry out this action, but a non-zero value is stored in the offset setting; thus, what is displayed after calibration is that offset value! You can look into this matter. . In short, due to the risk of misuse and confusion, it’s better not to use the \"zero calibration\" function in the field; using the amount of data transferred is the right approach.

I use migration: after clearing it, I record the current value as the zero point, and then adjust the range. It’s useless; the values after removing the air component are just random numbers

1. Unplug the wires of the instrument； 2. Remove the transmitter from the process pipeline or equipment ； 3. Package the transmitter ； 4. Send it back to the supplier!

There seems to be a button for forced zeroing below the label; you can give it a try

Our company also uses this type of gauge; the liquid inside the capillary is highly sensitive to ambient temperature, so drift is normal, as long as it remains within an acceptable range.