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FUW870 Sandwich ultrasonic water meter

FUW870 ultrasonic water meter is a new type of water meter that can further calculate the water flow by detecting the time difference caused by the speed change when the ultrasonic sound beam propagates upstream and downstream in the water, and analyzes and processes the water flow rat

FUW870 ultrasonic water meter is a new type of water meter that can further calculate the water flow by detecting the time difference caused by the speed change when the ultrasonic sound beam propagates upstream and downstream in the water, and analyzes and processes the water flow rate.
Features: low initial flow rate, wide range ratio, high measurement accuracy and stable operation.
There are no moving parts inside, no blocking elements, and it is not affected by impurities in the water, and has a long service life. The output communication function is complete, meeting various communication and wireless networking requirements.
It has excellent small flow detection ability, can solve many problems of traditional water meters, is more suitable for gradient charging of water fee, more suitable for saving and rational utilization of water resources, and has broad market and application prospects.

Parameters

ItemsSpecifications
Dominal DiameterDN15-300
Pipe materialDN15 ~ DN40: Copper DN50 ~ DN150: Ductile iron temperature; DN200 ~ DN300: Carbon steel
Degree range (℃)40 ~ 150
Temperature difference range (K)3 ~ 70 (factory setting minimum temperature difference 0.2)
Minimum pairing temperature error (℃)±0.1
Maximum allowable working pressure (Mpa)1.6MPa (2.5MPa optional)
Accuracy class2
Protection classIP68 can work 2 meters underwater
Working powerBuilt-in lithium battery (3.6V, 19Ah) / external DC8 ~ 36V DC power supply / 2-wire 4-20mA power supply
Battery lifeDN15 ~ DN150 battery for more than 10 years; DN200 ~ DN300 battery for more than 6 years
Working environmenttemperature: -20 ~ 55℃; humidity ≤100% (RH)
Temperature sensor typePT100 platinum resistor
Communication and outputMBUS / RS485 / USART / photoelectric interface
Communication protocolCJ 188 / MODBUS / M-BUS / Manufacturer protocol
Local displayDual line display includes 9-digit cumulative quantity, 4-digit instantaneous flow, and various status prompts and units
Storage temperature (℃)-20 ~ + 65
Data storageUse EEPROM / FLASH storage parameters to automatically record the cumulative flow of 512 days before the first 128 months
Instrument installation positionWater supply pipe, return water pipe
Display digits8 digits

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