1. Designed strictly according to GBT 778.1-2007,ISO-4064,JJG162-2009 standard. 2. Low starting flow rate(Q1), avoid missing the small flow rate. 3. No pressure loss, IP68 of protction leve, suitable for varieties of work environment. 4. High accuracy make the water fees accurate and reliable. 5. No rotate abrasion, long service time.
Feature: Item Specification Standard ISO4064-2005, GBT778-2007 Measurement Liquid Water, sewage, seawater(other liquid need to customized) liquid should be full of pipeline Medium Temperature 0.1~30 ºC Working Environment Temperature: -10~45 ºC; Humidity ≤100%(RH) Working Pressure 1.6MPa(2.5MPa optional) The sensitivity of upstream U3 THe sensitivity of downstream D0 Climatic and mechanical C Class Electromagnetic compatibility class E2 Class Communication Interface RS485/USART/Infrared Output Signal 2 way OCT pulse output/TTL pulse output/One way 4~20mA output Power supply Built-in Lithium battery(3.6,19AhV)/DC8~36V power supply Protection Class IP68, can work 2 meters under water Digital Display Multi line 9 digital accumulative flow, 4 digital display for instantaneous flow, varies of state prompt and units. Data Storage EEPROM/FLASH, automatically record the accumulative flow of last 512 days Measurement cycle Measuring: 1 times/second; Verification: 4 times/second Power Consumption ≤2.7AH/year, 6 years battery life