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Measuring principle: | Ultrasonic time difference principle |
Measuring range: | 0~±10m/s |
Accuracy: | better than±1% |
Display: | 2*10 Chinese backlit Chinese characters or 2*20 character LCD, supports Chinese, English and Italian languages |
Flow direction: | Positive and negative two-way metering, and meter positive, negative, net cumulative flow/heat |
Data interface: | RS485 serial interface, the flowmeter can be upgraded through PC computer, support Modbus and other protocols |
Data recording: | External SD card data storage, can store time, instantaneous flow, cumulative flow, etc. and can import data into the computer |
Signal output: | 4-20 mA output, OCT pulse output, relay output |
Signal input: | 3 channels of 4-20 mA analog input, accuracy of 0.1% can collect signals such as temperature, pressure and liquid level, 2 channels of three-wire PT100 platinum resistance, to achieve heat |
Power supply mode: | Built-in Ni-MH rechargeable battery, can work continuously for 15-20 hours |
Measuring medium: | Water, sea water, sewage, alcohol and other single, uniform and stable liquids that can conduct ultrasonic waves |
Medium turbidity: | ≤20000ppmand the bubble content is small |
Applicable pipe: | Carbon steel, stainless steel, cast iron, copper, PVC, aluminum,Homogeneous and dense pipes such as glass fiber reinforced plastics can be lined |
Straight pipe section: | The sensor installation point is best to meet: upstream 10D, downstream 5D, 30D from the pump outlet |