| Model |
TUS-W Ultrasonic Gas Flowmeter |
| |
|
| Path Number |
2 |
| DN
Size |
DN 25 ~ DN 200 |
| Inch |
1″ ~ 8″ |
| Measurement Principle |
Ultrasonic transit-time difference method |
| Measured Medium |
Natural gas, air, alkanes, industrial inert gases, town gas, etc. |
| Accuracy |
±1.0% / ±1.5% |
| Repeatability |
±1.0%: 0.1 Qmax ≤ Q ≤ Qmax (Error < 0.2%);
Qmin ≤ Q < 0.1 Qmax (Error < 0.4%) |
| Flow Velocity Range |
0.33 m/s ~ 33 m/s |
| Overload Capacity Resolution |
120% Qmax
≤ 0.001 m/s |
| Velocity Sampling Interval
Zero Flow Reading |
≤ 1s
Each channel < 8 mm/s |
| Compressibility Factor Calculation |
AGA8-G1, AGA8-G2, SGERG-88, AGANX-19 |
| Temperature Sensor |
High-precision digital I²C temperature sensor, measurable |
| |
temperature range: -40 °C to +100 °C |
| |
Supports temperature calibration with a dedicated host computer |
| Pressure Sensor |
High-precision digital I²C pressure sensor, selectable pressure |
| |
types: 0.2 MPa, 0.5 MPa, 1.0 MPa, 2.0 MPa, 5.0 MPa, 10.0 MPa |
| Medium Temperature |
Supports pressure calibration with a dedicated host computer
-40°C ~ +80°C |
| Operating Pressure |
0 MPa ~ 10 MPa |
| Pressure Rating |
PN16, PN25, PN40, PN63, PN100
Class150, Class300, Class600 |
| IP Protection |
IP 66 |
| Environmental Conditions |
|
| Amient Temperature
Storage Temperature |
-40°C ~ +70°C
-40°C ~ +70°C |
| Relative Humidity |
≤ 95%, non-condensing |
| Material |
|
| Meter Body |
Low-temperature carbon steel, stainless steel, other materials can be customized |
| Ultrasonic Transducer |
All-metal housing made of titanium alloy, operating frequency 200 KHz |
| Interface |
|
| Electrical Interfaces 2 |
1/2 NPT(F) |
| Analog Output 1 |
4 mA ~ 20 mA, Electrical isolation |
| |
Pulse output, fmax=3 kHz |
| Digital Output 1 |
≤ 30 V DC, 50 mA |
| |
Passive, electrically isolated, open-collector |
| Communication Interface RS485 |
2 x RS485, ModBus RTU |
| External Power Supply |
24 V DC (1 ± 10%) |
| Power Consumption |
Average < 2 W |
| Data Storage |
|
|
Electrical Interfaces 2 |
Interval data archive (1,440 records) |
| |
Hourly data archive (4,464 records) |
| |
Daily data archive (744 records)
Monthly data archive (120 records) |
| Electrical Interfaces 2 |
Event log (600 records) |
