Meriam Process Technologies' M2110L Smart Level Gauge
The M2110L smart level gauge measures in linear and non-linear tanks and has an accuracy of 0.05% full-scale and ranges for 20 psi. It has a 4½-digit display, RS-232C, 4-20 mA communications and SPDT relay outputs with selectable dead band. Its features include backlight, damping selectable from 0.1 to 50 sec and selection of engineering units. It also displays minutes and hours time constants.