HLS-W312 Ultrasonic Water Meter ( battery powered )
HLS-W311 Ultrasonic water meters are widely used in the industry of urban water supply, water resource management, agricultural irrigation, garden management.
Product Description
Features
● Ultra-low power consumption, stable property
● Range ratio: R 200, Size: DN50 ~ DN300
● Built-in lithium battery, applicable for the situation power supply is not available.
● External power supply of 8- 36 V DC can be connected to support analog current output or communication.
● Weatherproof: IP68, after using glue sealing the wiring joints, the flow meter can be immersed in the water for long term to work, but the immersive depth shall not exceed 2 m.
● Capacitive sensing operation button ( not open the transmitter cover to operate buttons)
Display
Technical data
| Executive standard | ISO 4064-2005, GB/T 778-2007, JJG 162-2009 |
| Fluid | Water, waste water, sea water (meter tube must be fully filled with fluid) |
| Operation temperature | 0.1 ~ 30℃ (for cold water), 0.1 ~ 100 ℃ ( for hot water) |
| Operation pressure | 1.0 Mpa, 1.6 Mpa |
| Ambient condition | Temperature: -10 ~ 45℃; Humidity: ≤100% RH |
| Sensitivity level of upstream flow field | U3 |
| Sensitivity level of downstream flow field | D0 |
| Electromagnetic compatibility level | E2 |
| Meter tube Material | Cart Iron |
| Output signal | One-way 4-20mA, Two-way OCT or TTL (optional), |
| Communication | RS485 (optional) |
| Weather-proof | IP68, after using glue sealing the wiring joints, the flow meter can be immersed in the water for long term to work, but the immersive depth shall not exceed 2 m. |
| Local display | Double line, one line (4-digits) display instant flow rate, another line(9 digits) display accumulative flow. |
| Memory | EEPROM / FLASH storage |
| Measuring cycle | 1 time / second |
| Power supply | Built-in 3.6V 19AH Lithium battery (Standard configuration) External power supply DC 8 – 36 V (for 4-20mA output or communication) |
| Power dissipation | If the flow meter without any output, the Built-in Lithium battery can support flow meter continuously working for about 6 years. |
Flow rate range
| Size | Range ratio (R) |
Flow rate ( m3/h ) | ||||
| Startup flow | Minimum flow (Q1) | Transitional flow (Q2) | Permanent flow (Q3) | Overload Flow (Q4) | ||
| DN50 | 200 | 0.150 | 0.315 | 0.500 | 63.000 | 78.750 |
| DN65 | 200 | 0.240 | 0.500 | 0.800 | 100.000 | 125.000 |
| DN80 | 200 | 0.380 | 0.800 | 1.300 | 160.000 | 200.000 |
| DN100 | 200 | 0.600 | 1.250 | 2.000 | 250.000 | 312.500 |
| DN125 | 200 | 0.750 | 2.000 | 3.200 | 400.000 | 500.000 |
| DN150 | 200 | 1.000 | 3.150 | 5.000 | 630.000 | 787.500 |
| DN200 | 200 | 1.500 | 5.000 | 8.000 | 1000.000 | 1250.000 |
| DN250 | 200 | 1.500 | 5.000 | 8.000 | 1000.000 | 1250.000 |
| DN300 | 200 | 2.400 | 8.000 | 12.800 | 1600.000 | 2000.000 |
Error curve
Dimension ( Unit: mm )
| Size | Appearance dimension (mm) | Flange dimension (mm) | Pressure (Mpa) |
|||||||||
| L | H1 | H2 | W1 | W2 | D | D1 | d x n | Sealing face | C | |||
| D2 | f | |||||||||||
|
DN50 |
200 | 70 | 131 | 76 | 95 | 165 | 125 | 18×4 | 102 | 2 | 19 |
1.6 |
|
DN65 |
200 | 75 | 135 | 79 | 95 | 185 | 145 | 18×4 | 122 | 2 | 20 | 1.6 |
| DN80 | 225 | 94 | 132 | 94 | 95 | 200 | 160 | 18×8 | 138 | 2 | 20 |
1.6 |
|
DN100 |
250 | 104 | 140 | 104 | 104 | 220 | 180 | 18×8 | 158 | 2 | 22 | 1.6 |
| DN125 | 275 | 117 | 148 | 117 | 117 | 250 | 210 | 18×8 | 188 | 2 | 22 |
1.6 |
|
DN150 |
300 | 134 | 155 | 114 | 114 | 285 | 240 | 22×8 | 212 | 2 | 24 | 1.6 |
| DN200 | 350 | 165 | 254 | 165 | 165 | 340 | 295 | 22×12 | 268 | 2 | 26 |
1.6 |
|
DN250 |
450 | 197 | 269 | 197 | 197 | 405 | 355 | 26×12 | 320 | 2 | 29 | 1.6 |
| DN300 | 500 | 223 | 287 | 223 | 223 | 460 | 410 | 26×12 | 370 | 2 | 32 |
1.6 |
Wiring terminal of standard configuration
| 1 | 2 | 3 | 4 |
|
485 + (A) |
485 – (B) | DC8-36V |
GND of RS485 |
| Remark: There are terminal tags (1, 2, 3, 4 ) on the electrical connection box. | |||
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FAQ
Answer : Please send your question or enquiry to our email: sales@hginstrument.com, we will forward the questions to the related engineer.
Answer : Please communicate with the sales about the return procedure before returning product.
Answer : The delivery time depends on the order quantity and product specification. If the product’s specification is conventional ( not special ), delivery time is 5 or 7 working days for order quantity ≤ 10 pieces; delivery time is 2 or 3 working weeks for order quantity 15 ~ 30 pieces.
Answer : by Courier, by Sea or by Air
Answer : Yes, Generally warranty is one year.
Answer : From year 2015 to year 2021, average annual sales is RMB 350 million ( about USD 54.7 million )