Dwyer DPMA-400P is an LCD digital process meter that operates at temperatures ranging from 32 to 122°F (0 to 50°C). It offers adjustable zero and span adjustments with an accuracy of ±(0.05% FS + 1 count). The meter can be powered by a control loop or 12VDC/24VDC and has snap-in panel mount or clamp mounting options. It features a 3-1/2 digit, 7 segment display with screw terminals for easy connection. The input options include 4-20mA, 0-200mVDC, 0-5VDC, or 0-10VDC with respective input impedance. The unit supports various engineering units and has a user-selectable decimal point. The conversion rate is 3 per second with a warm-up time of 10 minutes. The meter automatically displays the polarity with a backlight power supply of 24VDC @ 35mA.