Nitto Seiko Ultrasonic Flow Meter
This is an ultrasonic flow meter of the clamp-on variety that can gauge liquid flow outside of a conduit.
This flow metre uses the propagation time difference method, whose ultrasonic propagation time differs depending on the rate of liquid flow in a pipe.
Due to the ability to measure from outside of a pipe, it is possible to measure various types of liquid without worrying about corrosion.
We have hand-held types that are appropriate for examining and inspecting the flow of various places in addition to wall-mount types that are stable for permanent standing.
Description
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- It is available for installing to the current pipe-line.
- This can show installation
- This is completely non-wetted type, and it does not influence from pressure and conductivity of measured
- It is available for applying to small size piping by changing
- This is easy operation with large ten-key
- Small size and light weight hand held type makes convenience to
- Hand held type has chargeable battery of which 10 hours
For transducer
| Article | Contents |
| Measured liquid | Homogeneity liquid of which ultrasonic can propagate.
(Water, Sea water, Industrial water, Acid, Alkali, Alcohol, etc) |
| Turbidity | 10,000ppm or less |
| LiquidTemp. | -30～+90℃ (Same as ambient Temp. of transducer) |
| Nominal size | 15～600mm (HS0：15～100mm, HM0：50～600mm) |
| Material of pipe and lining | Pipe shall be penetrated material by ultrasonic such as Copper, Stainless, PVC, Ductile iron.
Lining must adhere to original pipe. (Lining material: Tar-epoxy, Mortar, Rubber, etc.) |
| Flow rate range | 0～±10m/s |
| Nos. of traverse line | 1 line |
| Method | Propagation time difference by ultrasonic pulse |
| Accuracy
（Calibrated accuracy at factory） |
±2.0% of indicated value (In case of less than 2m/s of flow rate, accuracy is ±0.04m/s)
Note) It is required the pipe filled with liquid, and ideal velocity distribution. Note) It is required longer straight pipe than specified. |
| Protection level | IP67 |
| Length of code | 5m as standard. (Please inquiry in case more length is required) |
For transmitter
| Article | Contents | ||||
| Component | Wall mount type | Hand held type | |||
| Power | For AC： 100～220V AC±10% 50/60Hz
For DC： 24V DC±10% |
100～220V AC±10% 50/60Hz
10 Hrs operation is available at full charge. |
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| Power consumption | 1.5W or less | 2W or less | |||
| Ambient Temp. | -10～+60℃ （Humidity 85% or less） | ||||
| Atomosphere | Avoid direct sunshine, radiant heat, corrosive environment, and explosive atomosphere | ||||
|
Analog output |
Kind of signal | 4～20mADC | |||
| Converted Precision | 0.1% | ||||
| Arrowable load
resistance |
750Ω以下 | ||||
|
Open collector output |
Setting frequency | 1～9,999Hz | |||
| Current-V oltage | DC80Ｖ、100mA or less | ||||
| Voltage at ON | 1V or less | ||||
| Relay output | “Without”, “Excessive flow”, “Back flow alarm” etc. | ||||
| Communication | RS485 serial port | RS232C serial port | |||
| Indication | LCD (20 digits × 2 line), back light
Momentary flow rate, integrated flow volume, etc |
LCD (16 digits × 4 line), back light
Momentary flow rate, integrated flow volume, etc |
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