GMF200 Series Ultrasonic Flowmeter Model GMF200-D Principle Ultrasonic time difference principle Precision ±1% Display 4x8 Chinese or 4x16 Western dot matrix backlit LCD, supporting Chinese, English, Italian and French languages Output 1 channel OCT pulse output (pulse width 6-1000ms, default 200ms) Data interface Isolating the RS-232 application interface, the flow meter can be upgraded through a PC Pipe Steel, stainless steel, cast iron, copper, PVC, aluminum, fiberglass, and other dense pipes, allowing lining Pipe inner diameter 15-6000mm Straight pipe The sensor installation point is best to meet: upstream 10D, downstream 5D, from the pump outlet 30D (D is the pipe diameter) Medium Water, sea water, sewage, acid and alkali, alcohol, beer, various oils, etc. Fluid temperature -30~+160�°C Turbidity 1000pmm bubble content is small Flow rate 0±10m/s Working environment Host: -20 ~ +60 C; flow sensor: -30 ~ +160 C Host: 85% RH; sensor protection grade: IP67 Power supply 3-cell rechargeable Ni-MH battery with 1.2V capacity of 2000mAH, which can work continuously for more than 12 hours every time. Power consumption 1W Housing material Flame retardant ABS Host weight 390g