Hydrotechnik 31JH-71-35.030 is a high‑precision aluminium turbine flow meter (HySense QT 510) for mineral oils (≤100 cSt) up to 420 bar, with 9–300 L/min range, 4–20 mA output, 1” BSP female ports, integral pressure/temperature test points and ±0.5% accuracy.
