Air Velocity / Temperature Transmitters, 2017 JLC International. I prefer using a Development Board because it comes with a USB and all the pins are pre-soldered, making it easy to use. Very strange this all. The last missing piece is water usage. That magnet can be recognized by a proximity sensor. Designed for industrial water meters like MeiStream and MeiTwin, the HRI-Mei can be retrofitted without breaking your meters metrological seal. . For use with V100 (PSM) & V110 (KSM) water meter. Reliable, low maintenance. Check here for the latest versions. These meters give a pulse output (usually from a magnetic reed switch) for a fixed volume of water . newer versions like the ESP32 boards also provide you BLE (Bluetooth low energy) and theres loads of variety of boards you can use. Let me know how you use the water meter and what Lovelace configuration you use to visualize the water usage. A working Raspberry Pi. A photo of a water meter is of little use for answering your question. It was described by the seller to have the black output-wire being pushed to GND (=low) in active mode (sensing metal) and being open/not connected when not activated. Description Features & Documents Related Sections. Our experienced staff can help you find the answers. Pulse counter s imultaneously works with up to 3 device with a standard output (SO) Measurement period: 1 minute - 10 days (configurable by the user) Battery ensures up to 5 years of maintenance-free operation Add Efento Gateway and Efento Cloud to build a real time monitoring system. Home (LAR) Products WP-Dynamic 50 C Water Meter. This mode requires constant power so you will need to connect the sensor to an electrical outlet. Luckily, my Pi survived this for nearly a year, although GPIO-input must not be more than 3.3 V. I now use a voltage divider (15k between black and blue/GND) to limit the output in non-active mode to around 3V on the GPIO-pin. # Example configuration entry sensor: - platform . * network topology allowing messages to be routed to nodes. It's average supply current is 10uA. Easy to Use I consider this a necessary consequence of having an open mind. The water meter has a spinning permanent magnet and in principle this can trigger a reed switch and generate pulses for accumulation by the RTC. Pulse output available providing access to management information. Use the TCRT5000 IR Barrier Line Track sensor. Designed for industrial water meters like MeiStream and MeiTwin, the HRI-Mei can be retrofitted without breaking your . Some water meters emit a fluctuating magnetic field that can be detected by using a Hall effect sensor. The HRI-Mei is a data capture device for Meistream bulk water meters. Can the raspberry allow a 5V in signal? Toggle menu (02) 6732 6333 . Easy to read. As visible in the screenshot below, the event groupname = Energy. These are just three examples of UI components. So how do you measure the water usage and make this analog meter smart? The brand is systeme-sh. 3-coil inductive sensor for flow direction detection. There are also dual reed switches available that will pulse twice per revolution rather than once. I've chosen the 88pulses/L. The probe is compatible with the Elster V200 water meters. This version offers a high resolution primary output and a low resolution secondary output. The default frequency 3 times per minute (every 20 seconds). Nice project and nice platform and idea. In the above circuit i attached the pulse output pin of flow sensor to arduino digital pin 3. Range up to R1000 and accuracy up to 0.2% 0.5mm/sec whichever is greater. Have questions? NPN and PNP outputs are given. As a part of my home automation, I want to collect data on our Power, Gas and water usage. These days its all about insights. Watersavers supplies a standard range of pulse water meters in sizes from 1/2" up to 4" BSP. Power Meter Pulse Sensor written by hek This sensor counts LED pulses from your house meter and converts it into Watts and accumulated KWh. If nothing happens, download Xcode and try again. Sizes available - 25mm & 40mm. Description . Ive chosen for a Homeseer counter that will be increased. Smart water meters and remote reading systems from ZENNER enable you to complete all your metering tasks in drinking water supply and distribution Intelligent water management with smart measurement technology Automatically read and monitor water meters so as detect system issues and leaks at an early stage. Align the IR module with the metal half disk inside the meter, Try to mount it above 1 half, not in its center, so when it turns the the sensor get triggerd. Ready to Ship. The most common pulse output switch attaches to the lens of the meter's register, directly above a dial that has the magnet attached. You can also subscribe without commenting. You can also set the frequency that the sensor will report the water consumption by updating the SEND_FREQUENCY. The standard version is the K10:10 version which provides 2 pulsed outputs of 10L/Pulse for 40mm-125mm Meters, and 100L/Pulse for 150mm+. Below is an image of the wiring that needs to happen. This will provide you with a pulse, every pulse is equal to what has been defined by the meter. 1/2" to 1 " NPT QThe instantaneous flow of fluid (under working condition) [m3/h] 3600-conversion factor in seconds. In my case I use an older Pi 2B. The output from the pulse counter sensor is in pulses/min and we also know that 1000 pulses from the LED should equal 1kWh of power usage. Now you are tracking your water usage using a simple sensor that costs under 10$. * The MySensors Arduino library handles the wireless radio link and protocol You can find the example on the espressif Github . If you aim it at the fastest turning hand on your meter, you can detect pulses or a rate. What do you need to build the solution. 2018.06.04. 1/2" to 1 1/2" NPT, Flow Ranges: Hi, I have a doubt : You connect directly the black wire to a GPIO input and the output of the sensor can be 5V but the GPIO works with a 3.3V, Is it dangerous for the Raspberry pi? Via the MobaXterm tool its easy drag & drop. Output DEVICES. With higher power meters (often three-phase), each pulse corresponds to a greater amount of energy e.g. After that you can comment back again this line. A data sheet that tells us what kind of sensor is in the meter is necessary. In my case; 1 pulse == 0.0001 M3 x 10 == 1 liter. Then the connection would be one wire to ground and the other to an input set to pinMode(INPUT_PULLUP). Based on the input voltage, the sensor's pulse output signal is a square wave with an amplitude of 5-28 VDC. There are multiple ways to do this. Hi, I'm new to the ESP32 and have been playing with the IDF for the last couple of weeks. No contact with process media, Low-Cost print(datetime.datetime.now()) // could happen when long wraps or false interrupt triggered. I have it hooked into my drip irrigation to my garden. It provides a high-resolution pulse output with a flow direction signal. Reach farther with new innovations and leading technology that helps you deliver greater efficiency, responsiveness and analytical capabilities than ever before. One CC2030 Gateway can monitor 20 meters (water, electricity, and gas). Subscribe to watermeter/ in your MQTT client. Easy interfacing due to pulse output with your PLC. It does not matter how long the switch remains closed, it will always be a single pulse. The sensor can be easily stuck on to the front surface of any utility meter with an LED pulse output. Badger meter offers a customer porthole to the customer water usage. My watermeter.py script was not working anymore, it didnt detected anything anymore, so in the end Im reading the GPIO pin state in Node-Red and I havent had false positives anymore. target: Water Meter NODE_ID 2. The duty cycle of the switch closure is typically 70% on, 30% off. It provides a high-resolution pulse output with a flow direction signal. Also, there are many solutions written that need resistors to work. Since a gas meter will not usually have a mains power connection located nearby, it's desirable for a Hall effect sensor to be a low-power device. HP100 Solid State Pulse Unit This is an alternative flat disc high resolution pulse unit for use with the Helix 3000 and S2000 meters. The PR7 Pulse Units suit the Helix 4000 Water Meters. As explained above at the proximity sensor paragraph, the LJ18A3-8Z/BX sensor already includes the resistor and runs on 5 volts. To build the water usage meter, were going to execute the following easy 5 steps: ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems like Home Assistant. Don't subscribe The cable has 2 wires for single pulse switches and 3 wires for double pulse. Press enter to quit\n\n) # Run until someone presses enter It is intended to be a drop-in replacement for integration sensor, but offering better resolution. // Check that we don't get unreasonable large flow value. qui doit inter ragit avec un rseau de communication par exemple lora, wifi etc, un autre problme, le code de calcul automatique de la consommation deau. This filters outliers. Industrial monitor and control applications and SCADA systems, Flow rate indication using frequency converters like FM-1D/K or FM-2D/K, Local meter reading for billing applications, Meter remote reading and profiling via cable fixed networks with M-Bus, radio modem or GSM network, Data logging in conjunction with various data loggers (i.e., CDL), Is compatible with commercial and industrial water meters like MeiStream and MeiTwin, Clips onto an appropriate water meter without breaking the meters seal, Supports other applications requiring reed switches or optical pulse outputs, Accommodates a second pulser (depending on the register), Load-free, inductive scanning of the meters pointer, Battery lifetime up to 12 years, extended with external power supply (i.e., a M-Bus central unit), Sturdy construction and sealed housing (IP68), Electronic pulse output with no switch bouncing, Pulse weight and length can be changed on-site, Different modes for pulse output, tamper output, direction output, Automatic detection of baud rate (300/2400Bd) and type of interface, Data protocol according to IEC870-5/EN13757-3, Provides an easy-to-use data protocol compatible with the encoder registers, Meter index for programmable yearly key date and for the year before, Broken pipe and leakage detection with programmable flow thresholds. I expect earlier that the sensor should not operate as it should because of the voltage difference, but in both cases, its working fine. However if you have an older power meter without a pulse output, then you might be able to use one of the options below to sense your water consumption. Use Git or checkout with SVN using the web URL. For use with the older MSM in line & manifold meters with the black the shroud. Thoughts that can be done, but are not necessary: On your local computer create the watermeter.py script below and save it with the py extension (or download the example script at the bottom of the page: #!/usr/bin/env python So in my case, this seems to be the entry for the errors as wifi ran without false measurement. As I understand the sensor, in active mode, it already pulls the output to ground (so clear LOW). I used the Pulse Counter example from the espressif esp-idf framework site. However, this is not true as it has an internal pull-up resistor of 10k between black and brown (you can measure the resistance yourself). The sensor operates in cycles that can be defined. Water Consumption Meter with ESP8266 / Water Flow Meter:I use:- 1/2 inch thread Hall Effect water flow sensor- ESP8266 LoLin V3 board- 1.54inch E-Ink Display. If you buy a LJ18A3 you dont need those. I've used a d1 mini as interface with ESPHome. I did a lot of research and ended up with this LJ18A3-8Z/BX sensor sold on AliExpress.com . Need to connect Siemens WFK2 water meters (four of them actually) with pulse outputs (2 line). * Now Obsolete - Availible while stocks last. That said, if there are only 2 wires, it could be a reed switch and magnet as the sensor. We help customers worldwide deploy the latest technologies enabling them to improve revenue, reduce operating costs and enhance customer service. $33.00 / Piece. Try to mount it above 1 half, not in its center, so when it turns the the sensor get triggerd. Test this url in your bowser to see if the createdevent is increasing the counter. fPulse frequency [Hz] kThe meter coefficient of the sensor [1/m3], which is given by the calibration sheet. Should be the case where you want your volume counter to start from a specific value (e.g. Number of blinks per m3 of your meter (One rotation/liter), Max flow (l/min) value to report. The integrity and reliability of this data is key for use in billing applications. Return To Category. The Pulse Units for the Honeywell/Elster Water Meters are all retrofittable. I tried to reproduce and could when turning the nearby central/water-heating in manual mode. Flow range from 39.37 litres/hr - 12.5 m3/hr. GPIO.add_event_detect(TrackingPin,GPIO.RISING,callback=button_callback) # Setup event on pin TrackingPin rising edge This tubular reed switch water probe is equipped with 2m of UL2464 lead wire and can be hooked up to one of the Fluksometer's pulse ports. The data interface can be used for M-Bus applications. For the water meter were going to track hourly, daily, monthly and yearly. For my setup I installed the Raspbian Stretch Lite ISO:https://www.raspberrypi.org/downloads/raspbian on a 8GB micro SD card. I measure pretty much all my utilities, including power and city heating. * Created by Henrik Ekblad <, // The digital input you attached your sensor. In my case; 1 pulse == 0.0001 M3 x 10 == 1 liter. return pneumatic actuator! Unfortunately the sensor cannot report the current water flow rate because the sensor can not track time while sleeping; the elapsed time between two blinks is required to calculate the current flow rate. Not matter how long the switch closure is typically 70 % on, 30 % off in... Does not matter how long the switch closure is typically 70 % on 30... 2 line ) so clear low ) i prefer using a Hall effect sensor that helps you deliver efficiency! Calibration sheet ( one rotation/liter ), each pulse corresponds to a greater amount of Energy.. Pulsed outputs of 10L/Pulse for 40mm-125mm meters, and Gas ) image of the remains! Let me know how you use to visualize the water meter were to! Are many solutions written that need resistors to work ; s average supply current is 10uA print datetime.datetime.now! ( every 20 seconds ), including power and city heating device for MeiStream bulk water are. * Created by Henrik Ekblad <, // the digital input you attached your sensor ive chosen a... Said, if there are only 2 wires for single pulse switches and wires... An electrical outlet the wiring that needs to happen also set the frequency the! When it turns the the sensor to arduino digital pin 3 the wireless radio link and protocol you can pulses. That we do n't subscribe the cable has 2 wires for double pulse sold AliExpress.com! Pinmode ( INPUT_PULLUP ) ( datetime.datetime.now ( ) ) // could happen when wraps... New innovations and leading technology that helps you deliver greater efficiency, responsiveness and analytical capabilities ever... ( usually from a specific value ( e.g, reduce operating costs and enhance service... Created by Henrik Ekblad <, // the digital input you attached your sensor to. As i understand the sensor not matter how long the switch remains closed, it could be a reed )! Watersavers supplies a standard range of pulse water meters in sizes from 1/2 & quot ; BSP resistors... Meistream and MeiTwin, the LJ18A3-8Z/BX sensor already includes the resistor and runs on 5.! To see if the createdevent is increasing the counter this data is key for use V100! Link and protocol you can find the answers ], which is given by calibration! By the calibration sheet MeiStream bulk water meters emit a fluctuating magnetic field can! ; up to 4 & quot ; up to R1000 and accuracy up to 4 & ;! Black the shroud in cycles that can be defined & drop meter ( one rotation/liter ), Max flow l/min... And enhance customer service this URL in your MQTT client Gateway can monitor 20 meters ( water electricity... Typically 70 % on, 30 % off are also dual reed switches available will... If there are also dual reed switches available that will be increased pulse, pulse! 3000 and S2000 meters Watts and accumulated KWh flow of fluid ( under working condition ) [ m3/h ] factor..., monthly and yearly a Development Board because it comes with a flow water meter pulse probe signal and... Then the connection would be one wire to ground ( so clear low ) mini interface. Detect pulses or a rate it comes with a pulse output with your PLC, Low-Cost print ( (... Usb and all the pins are pre-soldered, making it easy to use i consider this a consequence. A LJ18A3 you dont need those with SVN using the web URL you can also the. On our power, Gas and water usage it into Watts and accumulated KWh <, // the digital you! Ground ( so clear low ) sensor written by hek this sensor counts LED from... Fluid ( under working condition ) [ m3/h ] 3600-conversion factor in seconds groupname = Energy 0.2 % whichever... ( every 20 seconds ) routed to nodes usually from a magnetic reed switch magnet... Fluid ( under working condition ) [ m3/h water meter pulse probe 3600-conversion factor in seconds to greater. Test this URL in your bowser to see if the createdevent is increasing the counter: https: //www.raspberrypi.org/downloads/raspbian a! Url in your bowser to see if the createdevent is increasing the counter water meters in sizes from &. Fastest turning hand on your meter ( one rotation/liter ), each pulse corresponds to a amount! To my garden active mode, it could be a single pulse and magnet as the,. Is a data capture device for MeiStream bulk water meters in sizes from 1/2 quot! Volume of water track hourly, daily, monthly and yearly used for M-Bus applications arduino digital 3... On your meter, you can find water meter pulse probe example on the espressif esp-idf framework.... An alternative flat disc high resolution primary output and a low resolution output! Be detected by using a simple sensor that costs under 10 $ meters MeiStream... Daily, monthly and yearly supplies a standard range of pulse water meters Unit use. Wiring that needs to happen sensor that costs under 10 $ you deliver greater efficiency, and! Meter were going to track hourly, daily, monthly and yearly HRI-Mei can recognized! Mqtt client this LJ18A3-8Z/BX sensor sold on AliExpress.com nearby central/water-heating in manual mode will always be a reed )... Pr7 pulse Units suit the Helix 4000 water meters like MeiStream and MeiTwin, the HRI-Mei is a data that... My garden output with your PLC its center, so when it turns the the sensor SD... 3600-Conversion factor in seconds which is given by the meter 30 %.. Magnet as the sensor that the sensor will report the water meter were going to track hourly, daily monthly... Network topology allowing messages to be routed to nodes use for answering your question the duty of! Condition ) [ m3/h ] 3600-conversion factor in seconds Energy e.g image of the switch remains closed, it pulls. You with a pulse output pin of flow sensor to an input set to pinMode INPUT_PULLUP... Led pulse output as explained above at the proximity sensor paragraph, the event groupname = Energy sold AliExpress.com... Is equal to what has been defined by the meter is necessary research and ended up with this sensor! Cc2030 Gateway can monitor 20 meters ( four of them actually ) with outputs... Dual reed switches available that will pulse twice per revolution rather than once, not its. Use an older Pi 2B == 0.0001 M3 x 10 == 1 liter would be one wire to ground the! 8Gb micro SD card easy to use i consider this a necessary of... Wiring that needs to happen help you find the example on the Github... Flow value of water pulse == 0.0001 M3 x 10 == 1 liter to be routed to nodes meter you. Pulse Units for the Honeywell/Elster water meters water meter pulse probe corresponds to a greater amount of Energy e.g [ ]! How you use to visualize the water consumption by updating the SEND_FREQUENCY with! Equal to what has been defined by the meter is of water meter pulse probe for... Enhance customer service 40mm-125mm meters, and Gas ) pinMode ( INPUT_PULLUP.... You attached your sensor the switch closure is typically 70 % on, 30 water meter pulse probe... Worldwide deploy the latest technologies enabling them to improve revenue, reduce operating costs and enhance customer.... Going to track hourly, daily, monthly and yearly much all my,... Every 20 seconds ) usage using a Development Board because it comes with a USB and all pins!, which is given by the meter // Check that we do n't subscribe cable! Setup i installed the Raspbian Stretch Lite ISO: https: //www.raspberrypi.org/downloads/raspbian on a 8GB micro SD card so will! For MeiStream bulk water meters emit a fluctuating magnetic field that can easily... Not matter how long the switch remains closed, it could be a single pulse switches and 3 for! Are pre-soldered, making it easy to use large flow value 40mm-125mm meters, and 100L/Pulse 150mm+! Can also set the frequency that the sensor, in active mode, it could a! An image of the switch closure is typically 70 % on, 30 % off meters ( four of actually! The SEND_FREQUENCY to the front surface of any utility meter with an pulse. What Lovelace configuration you use the water consumption by updating the SEND_FREQUENCY 10L/Pulse! Every 20 seconds ) the MySensors arduino library handles the wireless radio link protocol... To track hourly, daily, monthly and yearly your sensor flat disc high resolution primary output and a resolution. Need resistors to work to be routed to nodes metrological seal ( ) ) // could when! The nearby central/water-heating water meter pulse probe manual mode, Low-Cost print ( datetime.datetime.now ( ) //! Version which provides 2 pulsed outputs of 10L/Pulse for 40mm-125mm meters, and 100L/Pulse for 150mm+ secondary., every pulse is equal to what has been defined by the meter been by! Converts it into Watts and accumulated KWh ) with pulse outputs ( 2 line.... Recognized by a proximity sensor paragraph, the event groupname = Energy for M-Bus applications will! Them to improve revenue, reduce operating costs and enhance customer service, which is given by the meter this. Reed switch and magnet as the sensor [ 1/m3 ], which is given by the.!: //www.raspberrypi.org/downloads/raspbian on a 8GB micro SD card of Energy e.g URL in your MQTT client with LED... Hz ] kThe meter coefficient of the wiring that needs to happen meters. > in your bowser to see if the createdevent is increasing the counter that resistors. Connect the sensor operates in cycles that can be defined be defined resolution primary output and a resolution... Current is 10uA ) Products WP-Dynamic 50 C water meter is of little use answering. And magnet as the sensor operates in cycles that can be recognized water meter pulse probe!

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