... flow caculator,flow monitorSBL digital target flow meter is improved from traditional flow meters and can take place of them, ... 0-10V, impulse, and RS485 outputs.Easy installation and maintain. petroleum flow meter,flow caculator,flow monitor,flowmeter main technical indicesMeasured ... GB/T9115.1~9115.4-2000.b. All standard flanges from other countries (Japanese standard, USA standard and German standard ...