Description
Modular Ultrasonic Flow Meter | RWTT Modular
Table 1: Wall Mount Type Ultrasonic Flow Meter Technology Parameter
| Items |
Specifications |
| Accuracy |
±1% of reading at rates >0.2 mps |
| Repeatability |
0.002 |
| Principle |
Transmit time |
| Velocity |
±32m/s |
| Pipe Size |
DN15mm-DN6000mm |
| Display |
LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc. |
| Signal Output |
1-way 4-20mA output |
|
1-way OCT pulse output |
|
1-way relay output |
| Signal Input |
3-way 4-20mA input achieve to heat measurement by connecting PT100 platinum resistor |
| Other Functions |
Automatically record the positive,negative, net totalizer flow rate and heat. Automatically record the time of power-on/off and flow rate of the last 30 times. Replenish by hand or read the data through Modbus communication protocol.
|
| Pipe Material |
Carbon Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminium, FRP etc. Liner is allowed |
| Straight Pipe Section |
Upstram: 10D; Downsteam:5D; From the pump:30D (D means outer diameter) |
| Liquid Types |
Water, seawater, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
|
| Liquid Temperature |
Standard: -30℃ ~ 90℃ ,High-temperature:-30℃ ~ 160℃ |
| Liquid Turbidity |
Less than 10000ppm, with a little bubble |
| Flow Direction |
Bi-directional measuring, net flow/heat measuring |
| Environment Temperature |
Main Unit: -30℃ ~ 80℃ |
|
Transducer: -30℃ ~ 160℃, Temperature transducer: select on enquiry |
| Environment Humidity |
Main Unit: 85% RH |
|
Transducer: standard is IP65, IP68(optional) |
| Cable |
Twisted Pair Line, standard length of 5m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m
|
| Power Supply |
DC24V |
| Power Consumption |
Less than 1.5W |
| Communication |
MODBUS RTU RS485 |
Table 2: Wall Mount Type Ultrasonic Flow Meter Transducer Selection
| Type |
Specification |
Measuring range |
|
|
Clamp on type
|
Small-size |
DN15mm~DN100mm |
-30℃~90℃ |
| Middle- size |
DN50mm~DN700mm |
-30℃~90℃ |
| Large -size |
DN300mm~DN6000mm |
-30℃~90℃ |
|
High temperature
clamp on type
|
Small-size |
DN15mm~DN100mm |
-30℃~160℃ |
| Middle- size |
DN50mm~DN700mm |
-30℃~160℃ |
| Large -size |
DN300mm~DN6000mm |
-30℃~160℃ |
|
Insert type
|
standard length
type
Wall thickness
≤20mm |
DN50mm~DN6000mm |
-30℃~160℃ |
Extra-length
type
Wall thickness
≤70mm |
DN50mm~DN6000mm |
-30℃~160℃ |
Parallel type
used for narrow
installation
space |
DN80mm~DN6000mm |
-30℃~160℃ |
|
Inline type
|
π type inline |
DN15mm~DN32mm |
-30℃~160℃ |
| Flange type |
DN40mm~DN1000mm |
-30℃~160℃ |
Table 3: Wall Mount Type Ultrasonic Flow Meter Temperature Sensor Model
| PT100 |
Accuracy |
Cut Off Water |
Measuring Range |
Temperature |
| Clamp-on |
± 1% |
No |
DN50mm~DN6000mm |
-40℃~160℃ |
| Insertion Sensor |
± 1% |
Yes |
DN50mm~DN6000mm |
-40℃~160℃ |
| Insertion-type installation with pressure |
± 1% |
No |
DN50mm~DN6000mm |
-40℃~160℃ |
| Insertion type for small pipe diameter |
± 1% |
Yes |
DN15mm~DN50mm |
-40℃~160℃ |
Modular Ultrasonic Flow Meter | RWTT Modular
Brand
Royce Water Systems
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