... control, LCD display screen, touch button operation, memory function. Full-screen voltage, conductance, current, flow range, pressure and other ... Baseline drift: ≤ 2.0% FS 4. Flow System4.1 Full Flow adopts imported pressure, acid and alkali, corrosion-resistant all ... tuning PID, have the upper limit over-temperature alarm and auto power-off function. Notice: The above standard configuration for this ...