|     Category |                                                                     Performance parameters | 
|  | Working principle | Ultrasonic time difference principle | 
| Accuracy | Better than 1% | 
| Display | Can be connected to 2x10 backlit Chinese characters or 2x20 characters Western-style LCD monitors, which can support Chinese, English and Italian languages. | 
| Signal output | 1 channel 4-20Ma current output, impedance 0-1K, accuracy 0.1% (optional) | 
| 1 channel OCT pulse output (pulse width 6-1000ms, default 200ms) | 
| 1 relay output | 
| Signal input | 3 line 4-20Ma current input, accuracy 0.1%, can collect temperature, pressure, liquid level and other signals | 
| Can be connected to a three-wire PT100 platinum resistor for thermal measurement | 
| Data Interface | Isolating the RS485 serial interface, the flowmeter can be upgraded through a PC computer, and supports protocols such as MODUBUS. | 
| Data Record | Thermal printer, external SD card, capacity up to 2G | 
|  | Pipe Material | Steel, stainless steel, cast iron, copper, PVC, aluminum, fiberglass, etc. All 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) | 
| Measuring medium | Species | Water, sea water, industrial sewage, acid and alkali, alcohol, beer, various oils, etc. | 
| Turbidity | 10000ppm and Less air bubbles | 
| Flow Rate | 0-±10m/s | 
| Temperature | -30---+160℃ | 
| Working Temperature | Humidity | Host:-20--+60℃,Sensor:-30---+160℃ | 
| Humidity | Host:85%RH,sensor protection level :IP67 | 
| Power supply | DC8-36v,or AC10-30V,AC85-264V | 
| Power consumption | 1.5W |