| Project |
Performance, parameters |
| Measurement of the host |
Precision |
Better than ±1% |
| Repeatability |
0.20% |
| Flow range |
0~±30 m/s |
| Measurement principles |
Time difference type, low voltage multi-pulse transmitting circuit, differential receiving circuit of double balanced signal |
| Sampling frequency |
256 times per second |
| Display |
2×20 dot matrix backlit liquid crystal display can display both instantaneous flow rate and cumulative flow rate, flow rate, time and other data |
| Operation |
4×4+2 touch keyboard |
| Output |
Data interface: RS-485 |
| Print output |
Select a 24-column character mini thermal printer |
| Other functions |
Automatic memory of traffic data for the first 64 days, the first 64 months, and the first 5 years |
| Automatic memory of the first 64 calls and power off time and flow |
| Manual or automatic replenishment to reduce user traffic losses |
| Automatic memory of the first 64 days before the flow meter working state is normal |
| Fault self-diagnosis function, network working mode, etc |
| Sensors |
|
Standard TS-1 for pipe diameter DN15~DN100mm, fluid temperature≤110ºC |
| Standard TM-1 for pipe diameter DN50~DN1000mm, fluid temperature≤110ºC |
| Standard TL-1 for pipe diameter DN300~DN6000mm, fluid temperature≤110ºC |
| Ultrasonic Special Signal Cable |
Custom twisted pair cable, generally limited to 20 meters, a specific occasion can be extended to 500 meters, not recommended; choose RS-485 communication interface, transmission distance can reach more than 1000 meters |
| Pipeline |
Pipe |
All piping of high quality, such as steel, stainless steel, cast iron, cement pipe, copper, PVC , aluminum, FRP, etc., with lining permitted |
| Inner diameter |
15~6000 mm |
| Direct Section |
Sensor installation point is best satisfied: upstream ≥10 D, downstream ≥5 D from pump outlet (D means pipe diameter) |
| Flow |
Category |
Water, seawater, industrial sewage, acid-base liquid, alcohol, beer, various oils, etc. A single uniform liquid capable of conducting ultrasonic waves |
| Body |
Turbidity |
≤10000 ppm and small bubble content |
| |
Temperature |
Standard sensor :-30~90ºC, high temperature sensor :-30~160ºC |
| |
Flow direction |
Positive and negative two-way measurement and net flow measurement |
| |
Flow velocity |
0~±30 m/s |
| Working environment |
Temperature |
Host :-20~60ºC |
| Sensor :-40ºC~110ºC(Please contact the manufacturer if the temperature range is greater than this) |
| Humidity |
Host :85 per cent RH |
| Sensor: Immersible water working, depth of water≤3 m |
| Power supply |
A nickel-hydrogen battery can work continuously for more than 20 hours or AC220V hours |
| Power consumption |
2W |
| Charging |
Adopt intelligent charging mode, direct access AC220V, after sufficient automatic stop, display green light |
| Volume |
225×180×67 mm |
| Weight |
Net weight 2.0 kg (mainframe) |
| Remarks |
Equipped with high strength protective box, can be used in the field, underground and other harsh environment |
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