China Flange Type Cast Iron Material Ultrasonic Heat Meter DN50~DN300, Find details about China Flange Heat Meter, Ultrasonic Heat Meter from Flange Type Cast Iron Material Ultrasonic Heat Meter DN50~DN300
| Diameter | Min.Flow | Nominal Flow | Max. Flow | Length |
| qmin(m³/h) | qp(m³/h) | qmax(m³/h) | mm | |
| DN 50 | 0.6 | 15 | 30 | 200 |
| DN 65 | 1.0 | 25 | 50 | 200 |
| DN 80 | 1.6 | 40 | 80 | 225 |
| DN 100 | 2.4 | 60 | 120 | 250 |
| DN 125 | 4 | 100 | 200 | 250 |
| DN 150 | 6 | 150 | 300 | 300 |
| DN 200 | 10 | 250 | 500 | 350 |
| DN250 | 16 | 400 | 800 | 450 |
| DN300 | 24 | 600 | 1200 | 500 |
| Accuracy Class | Class 2 | |||
| Connection | Flange Connection | |||
| Pressure Loss | ≤20KPa | |||
| Max.Working Pressure | ≤1.6MPa | |||
| Temperature Sensor | 3m standard two-wire PT1000 paired temperature sensor(Wire length adjustable) | |||
| Data Storage | 24 months history data | |||
| Power outage protection | After a power failure, the accumulated flow rate recorded before the power failure and the corresponding time can be saved, and the metering function will be automatically restored after the power is restored. | |||
| Interface & Communication | Infrared,M-Bus,RS485 | |||
| Infrared,NB-IoT | ||||
| Power | Build in ER34615 Water Proof Lithium Battery /DC24V | |||
| Protection Class | IP68 | |||
| Environmental | Class B | |||
| Temperature range | (4~95)ºC | |||
| Temperature difference range | (2~90)K | |||
| Installation Method | Water inlet or return (default water inlet) | |||
| Installation | Large LCD monitor | |||
| Durability | Distribution by a magnetic field with an intensity of less than 100 kA/m, no effective to the metering and remote transmission characteristics of the heat meter | |||
| Communication line wiring instructions | M-BUS wiring: black, white (no polarity), input voltage DC24~42V RS-485 wiring: red wire to vcc, blue wire to GND, yellow wire to A, green wire to B | |||