TR-250 series cooker tops are mounted on LPG cylinders. Gas appliance category is direct pressure-butane, and the power is 2.5kw. The supply pressure is 1.0 bar; ambient temperature is 24.1 degree celcius.; gross heat value is 49.47 kg/m3; measured consumption of gas is 48.6g; and the measured fuel consumption is 193.75g/h. The material of the body is made of 0.7mm chrome-plated steel, and the valve is made of brass. It is portable with it's small size and the weight is very light. It can be for both indoor and outdoor cooking in a well ventilated place.