Dwyer APM-221 is a dual line configurable panel meter with an operating temperature range of -40 to 149°F (-40 to 65°C). With an accuracy of ±0.03% of calibrated span ±1 count, it offers precise measurements. It has multiple power options and is enclosed in a NEMA 4X and IP65-rated casing. The meter accepts various electrical connections and provides a 4-20 mA output signal. The dual-line 6-digit display and user-selectable decimal points ensure clear and customizable readings. The meter has programmable time delays and supports both internal and external relays. It comes with free USB-based programming software.