Precision Class | class 2 |
Standards | MID (OIML R49, EN 14154, ISO4064) |
Volume Display Options | 1. Net (Forward less reverse) 2. Forward only 3. Forward & reverse alternating |
Temperature grade | T50(T30 optional) |
Pressure loss grade | Δp40 |
Power Source | 3.6V Li-battery: 10* years Or additional power supply 24VDC |
Environmental Protection | IP68 (Additional 24VDC power supply, IP65) |
Ambient operation temp | Class C (class B, class I optional) |
Maximum working pressure | 1.6MPa |
Range ratio (qp:qi) | 250:1 |
Data Logger | Volumes: 480 Daily data; 36 Monthly data; 16 Yearly data Alarms data: 32 |
Maximum flow reading (m3) | Forward: 99999.99999; Reverse:-9999.99999 |
Electromagnetic environment level | Class E1(class E2 optional) |
* remark | The battery must be in normal ambient temperature conditions, also depends on the data transmission frequency and correct meter battery installation (positive electrode on the top) |
Standard interface | Infra-red, M-Bus, RS485 |
Analog output | 4~20mA: The Analog Output shows the currently measured flow rate |
Wireless interface | Wireless M-Bus: T1 868MHz LoRa:470MHz NB-IoT |
Digital (pulse) Output | OC: Volume |
Nominal diameter DN(mm) | 15 | 20 | 25 | 32 | 40 |
Maximum flow Q4( m3/h) | 3.125 | 5 | 7.875 | 12.5 | 20 |
Common flow Q3( m3/h) | 2.5 | 4.0 | 6.3 | 10.0 | 16.0 |
Boundary flux Q2( m3/h) | 0.016 | 0.026 | 0.04 | 0.064 | 0.102 |
Minimum flow Q1( m3/h) | 0.01 | 0.016 | 0.025 | 0.04 | 0.064 |
Pressure loss grade Δp | 40 | 40 | 40 | 40 | 40 |