Dwyer DPMX-3 is an extra large digital panel meter with a temperature range of 14 to 122°F (-10 to 50°C). It offers an accuracy of ±(1% F.S. + 1 count) and has a voltage range of 90 to 250 VAC @ 12 VA or 10.5 to 30 VAC/DC @ 6 VA (depending on model). It can be mounted using 180° gimbal mounting with 30° stops or bezel mount. The display has 3-1/2 digits with a height of 2.3" and uses a 7 segment LED. The input options include set voltage, adjustable voltage, and adjustable current. The input impedance varies depending on the input type. It has a sampling rate of 3 readings per second and a warm-up time of 10 minutes. The storage range is -40 to 167°F (-40 to 75°C).