fisher 3610J and 3620J
Thread Content
Is there anyone who is proficient in this and can we exchange ideas?
It’s a mechanical positioner, right? It usually doesn’t break down for several years, and if it does, it’s difficult to adjust
The English version of the schematic manual provides a very detailed explanation, while the Chinese version only gives a general overview; there are some details that are not clear, such as the adjustment of the midpoint and the understanding of the gain spring
Moreover, the pressure amplifiers of the 3600 series operate on a principle different from that of the 3582 series, or from the principle described in textbooks for pressure amplifiers