Catalog > Test and Measurement > Test and Measurement Instruments > Multimeters > Digital Multimeters Panel Digital Multimeter Panel Mount Digital Multimeter HED272-T PANEL METER 31/2DIG LCM W/BACKLIGHT CHARACTER HEIGHT = 14MM Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Low Power Consumption 5 or 9 VDC Multi-turn Voltage-reference Potentiometer For Accurate Adjustment Of Display Reading. 36mm x 72mm Operating Temp: 0°C to 50°C