Wide bi-directional Flow range of 0.01 m/s to 12 m/s. Repeatability is less than 0.15%.Low starting flow, super wide turndown ratio Q3:Q1 as 400:1.3.6V 76Ah battery power supply，with lifetime over 10 years (measuring cycle: 500ms).With storage function. Can storage both forward flow and backflow data 10 years (day, month, year ).Hot-tapped installation, no pipe line flow interrupted.Features
Configuration Code
FeaturesSpecificaitonsConfiguration CodeStandard output is RS485 modbus, Pulse, NB-IoT, 4G, GPRS, GSM can be optional.Specificaitons
Transmitter:| Measurement principle | Ultrasonic transit-time difference correlation principle |
| Channels number | 2 or 4 channels |
| Flow velocity range | 0.01 to 12 m/s, bi-directional |
| Accuracy | ±0.5% of reading |
| Repeatability | 0.15% of reading |
| Resolution | 0.25mm/s |
| Pipe size | DN100-DN2000 |
| Liquid Types Supported | both clean and somewhat dirty liquids with turbidity <10000 ppm |
| Installation | transmitter: wall-mounted ; sensors: insertion |
| Power Supply | DC3.6V(disposable lithium batteries) ≥ 10 years |
| Operating temperature | -20℃ to +60℃ |
| Display | 9-bit LCD display. Can display totalizer, instant flow, error alarm, flow direction, battery level and output |
| Output | Pulse, RS485 modbus, NB-IoT/4G/GPRS/GSM |
| Data Storage | Can storage the 10 years data as year, month and day |
| Measure cycle | 500ms |
| IP class | transmitter:IP65; sensors:IP68 |
| Material | transmitter: Aluminum; sensors: stainless steel |
| Temperature | standard sensor:-35℃~85℃; high tempterature:-35℃~150℃ |
| Size | transmitter: 200*150*84mm; sensors: Φ58*199mm |
| Weight | transmitter: 1.3kg; sensors: 2kg/pair |
| Cable length | standard 10m |
Two channels and four channels can be optional.