DuroMax 15000 Tri Fuel Watt Portable Generator you can calibrate it by

you can calibrate it by turning the screw on the front of the meter

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Its 3 MPPT architecture maximizes production on real-world roofs

fits 1/2 inch belt

Weight: unit 18 lbs boxed 20 lbs

DuroMax 15000 Tri Fuel Watt Portable Generator you can calibrate it byFuel Type Gasoline Propane Natural Gas Peak Wattage 15,000 Watts (Gas) 14,250 Watts (LP) 12,825 Watts (NG) Running Wattage 12,000 Watts (Gas) 11,400 Watts (LP) 10,260 Watts (NG) Running Amperage at 120V 100 Amps (Gas) 95 Amps (LP) 85. 5 Amps (NG) Running Amperage at 240V 50 Amps (Gas) 47. 5 Amps (LP) 42. 75 Amps (NG) Outlets 50 Amp 240V (1) 30 Amp 240V (1) 30 Amp 240V (1) 120V GFCI (10) Gasoline Runtime at 25% Load 17. 9 Hrs Gasoline Runtime at 50%