WM series of IrriRich Plastic Irrigation Water Meter are mainly used for agricultural irrigation, to measure the total amount of water used for,irrigation water flowing through the main pipeline. The series has advanced structure design, large measuring range,high precision, large circulation capacity, small, pressure loss, stable performance curve, compact structure. The measuring movement can be adjusted, disassembled, replaced.
Technical Specification:
| Sizes | DN50 , DN80 , DN100 | |
|---|---|---|
| Port Connection | Flange Connector | |
| Material | Glass-fiber Reinforced PA66 | |
| Data Output Options | Pulse | |
| RS485 Signal | ||
| Max.Pressure Rating | bar | 10 |
| psi | 145 | |
| Max. Temperature | oC | 50 |
| oF | 122 | |
Accuracy Curve:
Performance Data:
| Accuracy | DN50 | DN80 | DN100 | ||
|---|---|---|---|---|---|
| 2” | 3” | 4” | |||
| Q1 (Minimun flow) | m³/h | ±5% | 2.50 | 3.94 | 6.25 |
| Q2 (Transitional flow) | ±2% | 4.0 | 6.3 | 10 | |
| Q3 (Normal flow） | ±2% | 40 | 63 | 100 | |
| Q4 (Peak flow, short time) | ±2% | 50 | 78.75 | 125 | |
| Min Reading | m³ | 0.001 | 0.001 | 0.001 | |
| Max Reading | 9999999 | 9999999 | 9999999 |
Dimensions (in millimetre):
| DN mm | Length L mm | Height H mm | Flange Connection | ||
|---|---|---|---|---|---|
| Flange Outer Diameter D | Center Diameter of Bolt Hole D1 | Bolt Quantity |
|||
| 50 | 200 | 257 | 200 | 125 | M16×4 |
| 80 | 225 | 277 | 200 | 160 | M16×16 |
| 100 | 250 | 287 | 220 | 180 | M16×16 |
Irrigation Water Meter Data Output (Options):
Features and Benefits:
Inductive sensor technology;
Ultra low-power microelectronics technology, single-cell power supply;
Low power wireless communication technology;
Self-diagnosis and external damage detection;
Modular design, plug and play
Funtions:
Data collection function;
Pulse output function;
Data protection function;
Data communication function;
Working life warning function;
Tamper warning function.
Interface definition:
Six cables of different colors are led at the terminal, and they are red, black, yellow, green, white and brown in order.
Red: bus power, 3.6V ≤ U ≤ 12V
Black: GND/COMMON
Yellow: 485+
Green: 485-
White: The width of a pulse generated by one pulse equivalent is 64 ms in forward flow
Brown: the width of a pulse generated by one pulse equivalent is 64 ms in reverse flow
Pulse Output Option:
| Cable Characteristics | ||
|---|---|---|
| Output Cable | Wire | Function |
| Black | GND/COMMON | |
| White | Pulse Out 1 | |
| Brown | Pulse Out 2 | |
| Pulse constant | 1 L / imp | |
| Sampling frequency | 3 Hz | |
| Pulse duration | ≥64 ms | |
RS485 Output Option:
Combines customer-defined protocol with the standard Mod-Bus protocol.
-
Communication address: broadcast 0; Slave: 1 (configurable)
-
Baud rate: 2400 (4800, and 9600 are options)
-
Data bits: 8 bits
| Cable Characteristics | ||
|---|---|---|
| Output Cable | Wire | Function |
| Red | Bus Power | |
| Black | GND/COMMON | |
| Yellow | 485+ | |
| Green | 485- | |