Cost Effective Wireless Smart Flow Plastic/Copper Water Meter, AMR Solution, Lora-25
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Structure and Working Theory
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      Inside the counter of water meter (mechanical part), there is one magnet embedded under the wheel pointer for 0.01 m3 of water and two reed switches beside each side of the wheel. Each time the pointer goes a circle, one group of two pulses is generated to represent 0.01 m3 of water being calculated. The pulses are converted to digital signals and recorded as metering data based on pre-set program. Then the metering data can be transmitted to a concentrator or hand-held unit.
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 Product Features
Mainly applicable to new construction projects, or reconstruction projects for old residential area which are inconvenient for wiring deployment.
Wireless transmission technology is applied to realize out-door meter reading, which simplified system installation by avoiding wiring deployment.
The wireless transmission distance for hand-held unit is over 200 meters in open field.
Friendly user interface for management software of background platform. Variety of formats for data output and customized link with billing system according to customers'needs.
Total volume calculation of water flowing across the pipe and wireless meter reading.
Remote valve-control to solve arrearage problem.
Three-level automatic routing to increase transmission distance.
Real-time meter reading to realize ladder-type pricing.
Fully anti-water design, functional under the water.
ERFCU design, ultra-low power consumption.
WOR remote awaking technology to reduce power consumption.
Wamr Net routing protocol to ensure data security.
High speed transmission, data reading for single meter within 1.5 seconds.
Simple and practical structure with removable battery.
Maximum Permissible Error
From minimum flux inclusive up to transitional flux: ±5%
From transitional flux up to maximum flux both inclusive: ±2% (cold water meter)
From transitional flux up to maximum flux both inclusive: ±3% (hot water meter)
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| Model | Nominal Diameter | Metering Grade | Common Flux | Transitional Flux | Minimum Flux | Minimum Reading | Maximum Reading |
| mm | Â | m 3 /h | m 3 | ||||
| LXSK-15(cold) | 15 | B | 1.5 | 0.12 | 0.03 | 0.0001 | 99999.999 |
| LXSK-20(cold) | 20 | B | 2.5 | 0.2 | 0.05 | 0.0001 | 99999.999 |
| LXSK-25(cold) | 25 | B | 3.5 | 0.28 | 0.07 | 0.0001 | 99999.999 |
| LXSFR-15(hot) | 15 | A | 1.5 | 0.15 | 0.06 | 0.0001 | 99999.999 |
| LXSFR-20(hot) | 20 | A | 2.5 | 0.25 | 0.10 | 0.0001 | 99999.999 |
| LXSFR-25(hot) | 25 | A | 3.5 | 0.35 | 0.14 | 0.0001 | 99999.999 |
Electronic Automatic Speed Controller
The speed regulator is a professional design of the regulating board, which includes all aspects of self leveling. It is mainly used to automatically adjust the controlled parameters of the system composed of pressure, tension, speed, temperature and other parameters.
All important current can be controlled by a single external resistor. The simple motor start and stop can be set. The starting timing sequence can be completed by two capacitors by using the power supply of the circuit. The peripheral circuit simply adopts the new reverse potential commutation technology, It can provide the minimum torque without jitter, and control the maximum efficiency. It has reversing PLC, which can effectively suppress the PWM peak noise signal
Electronic Automatic Speed Controller,Engine Speed Governor,Generator Speed Control Unit,Dc Speed Electric Motor Controller
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