// flowvalue can only be reported when sleep mode is false. I have one of these water meters (3/4" Water Meter with pulse output). Learn what Pulse Output is and compare the water meters available with this feature. Return To Category. . GPIO.add_event_detect(TrackingPin,GPIO.RISING,callback=button_callback) # Setup event on pin TrackingPin rising edge NODE_ID to the one assigned to your sensor. By using this form you agree with the storage and handling of your data by this website. Ive chosen large Tyraps (zip ties) for my solution. Closes air supply line VALUE_TO_ADD to a numeric (positive or negative) integer value that will be added to the existing counter. A water meter is an analog measuring instrument. Air Velocity / Temperature Transmitters, 2017 JLC International. Brand: Sensus. In the raspi-config, enable console auto login (via Boot Options Desktop/CLI Console Autologin Text console). Some water meters emit a fluctuating magnetic field that can be detected by using a Hall effect sensor. The counter unit also has a remote display mounted outside the home for easy reading by the utility company. Easy to read. One inductive proximity sensor, like LJ12A3-4-Z/BX sensor N/O NPN 4mm. It is intended to be a drop-in replacement for integration sensor, but offering better resolution. Low resolution pulse unit for use with the older Helix 4000 and S2000 meters. Use Git or checkout with SVN using the web URL. Be aware that there are many different water meters out there. Notify me of followup comments via e-mail. I've chosen the 88pulses/L. The meter sends one pulse down to the remote unit for every 100 gallons of water used. The last missing piece is water usage. The switch is normally open. 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. 2, or even 10, Wh per pulse. Johnson & Sons Ltd, Unit 7 Trinity Court, Calmore Industrial Estate, Totton, Southampton, UK, SO40 3WX, Retrofittable TL2 Variant Reed Switch Pulse (JTA6002) with 5m Length Cable, T110 - Elster Pulse T Probe for V100 (PSM), Ball Valves Electrically Actuated Spring Return, Butterfly Valves Pneumatically Actuated, Check Valves WRAS Approved & Water Works, Fire Hydrant Valves Instantaneous Outlet, Fire Hydrant Valves Landing (Dry Riser), Fire Hydrant Valves Pressure Regulating, Globe Valves Screw Down Non-Return (SDNR), Pressure Reducing Valves Bailey Birkett, Pressure Reducing Valves Pilot Operated, Safety Relief Valves Enclosed Side Discharge, Safety Relief Valves Pressure & Temperature, Safety Relief Valves Steam & Boilerhouse, Spring Return Electrically Actuated Valves. The pulse signal is a simple square wave so its quite easy to log and convert into liters per minute using the following formula. I will explain about it during code explanation. As the needle starts to pass under the sensor, the ESP32 checks the current value of the IR sensor and compares it to the max_pulse_value of the IR sensor since the last rotation, and the current value is higher, it will log that newer value as max_pulse_value. This blog is intended to provide a semi-permanent point in time snapshot and manifestation of the various thought and solutions that are in our minds, and as such anycode, solutionsand opinions/thoughts expressed within out-of-date posts may not the same, nor even similar, to those I may hold today. In case you want to store the Python script somwhere online, you can use the following command on the Pi to grab the file: To test the changes, give the Pi a reboot with command: If everything is set correct, the following line will be visible in the console after reboot: When you now hold a piece of metal within the 4mm sensor range, the led will activate, and in the console screen the following lines should be visible: The Response:ok is a confirmation that the JSON call to Homeseer is done correctly. Water Meters. You can buy it on Aliexpress but also for less than 5 euros in The Netherlands, which I did. In order to do that you will go to Home Assistant service call helper (in the developer tools), go in yaml mode and use these: sensor: - platform: pulse_counter pin: GPIO12 unit_of_measurement: 'kW' name: 'Power Meter' filters: - multiply: 0.06 # (60s/1000 pulses per kWh) Adjust GPIO12 to match your set up of course. Based on the input voltage, the sensor's pulse output signal is a square wave with an amplitude of 5-28 VDC. Absolute count function: for reverse flow volume compensation. Flow sensors are available as time measuring units (these measure flow rates over a set time period) or they can be totalising flow meters that . If nothing happens, download GitHub Desktop and try again. Watermeter reading with a Raspberry Pi and inductive proximity sensor, 220V powered Fibaro motion sensor FGMS-001. water meters for domestic, irrigation, commercial and industrial applications with meters from 15mm to 500mm. This will provide you with a pulse, every pulse is equal to what has been defined by the meter. 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). ESP8266 based logger for analog watermeter. I use the following Lovelace configuration to show the water usage. 3D Printing, AVR/Arduino, Coding, Electronics, Home Automation. Thats it! The default frequency 3 times per minute (every 20 seconds). For viewing the measurements in my lovelace dashboard I used a custom card called mini-graph-card, this card can be easily installed using HACS. Mind that currently this may go in overflow if you use too big values. So if we check the status of the watermeter counter, it should be increaed with 1: Which also means the event ran correctly as well. Make sure you find your way back to this article to follow along. It emits an infrared light and detects the reflection. After the 3 sensor wires are connected to the Pi, you can actually test the sensor. Let me know how you use the water meter and what Lovelace configuration you use to visualize the water usage. 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. Tnx for the positive feedback. There are two types of Hall Effect sensors. He can contact me in my WhatsApp number +256797330732. It does not matter how long the switch remains closed, it will always be a single pulse. print f.read() TrackingPin = 7, def button_callback(channel): The extended portion of the switch inserts into the meter. 1 - 20 gpm to 5 - 75 gpm, Body Material: They put a cellular meter in mine and I get readings in 15 minute intervals and can set a leak alert. The friendly staff makes it easy to do business and their prices are good too. Flow sensors or flow indicators are flow meter devices used to measure the amount of liquid, gas or vapour that passes through them. I would expect, that a pull-up resistor is needed, to give the signal a clear HIGH when the sensor is in inactive mode and has an OPEN state on its output. Toggle menu (02) 6732 6333 . My Watermeter has a small grey reflective area on one of the readers, so in theory I should do something with the reflective part of it. Without your code I cant help you further. * network topology allowing messages to be routed to nodes. Download Brochure. If everything is fine, the NODE_ID will be set in the sensor EEPROM, and the board will get an initial counter value of 0 from Home Assistant. For the water meter were going to track hourly, daily, monthly and yearly. Wire colors can be slightly different, Ive seen both orange and pink be used for ground. Hi Gabriela, Sean. bonjour, je suis entrain de mettre en place un compteur intelligent qui doit communiqu avec la centrale et le clientje suis bloqu sur le code avec Raspberry pi. 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 They use solid-state transistors to allow power to pass through in one direction when activated by a magnetic field passing across them. Open ESPHome and click EDIT on your node. example: ofcourse only for water. You can buy this board at your favorite Chinese shop or Amazon somewhere for a price between 3-10 euros. Explore your potential to monitor and optimize your entire water cycle. See the Helix 4000 Specification Sheet for more information on what each PR7 will transmit. He is always prepared to assist with the various products available from Precision Meters.". . The duty cycle of the switch closure is typically 70% on, 30% off. Locate the little LED on your meeter and mount the light sensor over it to register the power-consumption rate blinks. The number is expressed as "pulses" units, so if you want to add 1.234 m3 to the current value of volume (e.g. Do more with your infrastructure. GSD8 Single-Jet 15mm or 1/2" HOT Water Meter (No Pulse output) $143.00. For pulse output, one of the pointers is replaced by a magnet arm, which is detected by an encapsulated sensor attached to the outside of the lens. It measures the time between rising edges on a pin, for each pulse it outputs the frequency in pulses/min. 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. Work fast with our official CLI. (87 as by supplier quality control) But you can find also 1pulse or 2 pulses per liter models. What do you need to build the solution. ESP8266 + Gas / Water monitoring. The cable has 2 wires for single pulse switches and 3 wires for double pulse. Its operation is quite simple, a disc (see photo) visible in the dial of the meter rotates at a speed proportional to the flow of circulating water. Create the utility meter and sensors by adding following configuration to your configuration.yaml file. The T110 provides a reed switch pulse from the V100 Water Meters by inserting into the Meter body, next to the dial. Im currently investigating this. GPIO.setwarnings(False) # Ignore warning for now 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? import datetime Type Volumetric Rotary Piston Roller Index Register (m) Size & Connections 15mm to 40mm BSPT Male Unions Duty Cold Potable Water up to 30C AMR Output (optional) T110 Reed Pulse Probe JTA4600 Reed Pulse Probe c/w Splitter Compliance & Approvals To start with, I connected the reed output of the water meter via 10k resistor to +5V, GND and D3. The B6070 provides a BACnet/IP interface for commodity/utility flow meters that have a pulse output. 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+. A proximity sensor recognizes the proximity of metal. These days its all about insights. For this project, Im using the ESP8266, NodeMCU board. This will provide you with a pulse, every pulse is equal to what has been defined by the meter. Luckily the meter provides a spinning wheel that contains a magnet. 1 - 15 gpm to 8 - 120 gpm, Body Material: The T110 provides a reed switch pulse from the V100 Water Meters by inserting into the Meter body, next to the dial. For user convenience, in the source code you will find a FORCE_FACTORY_RESET define that will allow you (uncommenting the line) to factory reset the board on startup (resetting NODE_ID and also the pulse counter provisioning flag). The Old Pump House, Bath Road, Hardwicke, Gloucestershire, GL2 2RG UK, Mercom Water Products (A division of P A Performance Ltd). It is now read-only. In this mode the sensor will not sleep and will report the current water flow rate and the cumulative water consumption to the gateway. Our HRI-Mei sensor reading device is a data interface for pulse output for industrial water meters. The V110 model is particularly suitable for incorporation in energy management systems. Instructions are available here. 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. Wireless M-BUS OMS or LoRa integrated transmission module. At each meter's max flow rate, the output frequency ranges to 240 Hz. The cool thing about using the utility meter sensor is that you can drill into reports. Accurate at low flows. Example meter A100C BS Single Phase Meter What is a pulse? Robust . Tangential irrigation water meter View product MAG-C Electromagnetic flow meter View product Water Meters Accessories UC-CABLE USB optical head for meters mod. Now you are tracking your water usage using a simple sensor that costs under 10$. Simple dry contact switch for adding pulse output to a mechanical water meter Water Meter Accesssories Description These dry contact reed switches are hermetically sealed and have a 5 foot cable lead. I expect earlier that the sensor should not operate as it should because of the voltage difference, but in both cases, its working fine. Regarding the smartmeter (energy/gas) there are probably other scripts available online that will do already the trick for you and you dont have to reinvent the wheel. Nice project and nice platform and idea. The HRI-Mei can be programmed to transfer selected information. datetime.datetime.now().strftime(%a, %d %B %Y %H:%M:%S) The green LED on the rear of the sensor flashes in sync with the meter pulses to indicate a successful pulse detection. Test this url in your bowser to see if the createdevent is increasing the counter. See whats new at Sensus and where were headed next. Each pulse that is output by a meter represents a predetermined volume of water passing through that meter. The sensor can be easily stuck on to the front surface of any utility meter with an LED pulse output. This mode requires constant power so you will need to connect the sensor to an electrical outlet. On the sensor there is red led (next to the cable connection). The effect of this procedure is also that if you provision another sensor setting the same NODE_ID, you will get the current counter value from Home Assistant on the first startup. This information can be found on the meter. V110 (KSM) Volumetric Polymer Meters. 1-10,000 pulses per . 2 is the child entity and will correspond to the text of S_INFO entity attached to this device (you see this in the entities), /* However, water meters for domestic usage have a small magnet on the 10 or 100 litres needle while bigger ones have it on the m^3 or 10*m^3 needle. Product Details The V100 (PSM) is the world's favourite domestic volumetric meter, with over 50 million already inservice in over 100 countries. Find the Water Consumption section and add the Water Meter Total sensor as a water data source. The HYDRODIGIT-S1 is a single jet water meter with a digital display across 8 digits and inductive transmission. Only water meters contained within this document are available for selection. When it comes to water meters, a pulse output is simple SPST (single pole, single throw) dry contact reed switch. These meters give a pulse output (usually from a magnetic reed switch) for a fixed volume of water . Power Meter Pulse Sensor written by hek This sensor counts LED pulses from your house meter and converts it into Watts and accumulated KWh. The HRI-Mei is a data capture device for Meistream bulk water meters. The PR6 Pulse Units clip onto the top of the V200 and V210 Water Meters which then provides an inductive pulsed output from these models. Description Features & Documents Related Sections. . Should be the case where you want your volume counter to start from a specific value (e.g. MQTT I did a lot of research and ended up with this LJ18A3-8Z/BX sensor sold on AliExpress.com . With higher power meters (often three-phase), each pulse corresponds to a greater amount of energy e.g. * Flow sensor is powered with an external 9 volt battery. The sensor has a red LED light on top, the led will turn one when the magnet passes. 4-wire electronic pulse devices, open collector type. The ESPHome configuration editor will now show. Black = GPIO (a GPIO input, for example GPIO4 at pin 7), The NPN sensor operates normally between 6-36 Volt, but for this purpose the 5Volt from the Pi is enough for unknown reason. It is also built to withstand harsh environments, like flooded pits. Align the IR module with the metal half disk inside the meter, In my case; 1 pulse == 0.0001 M3 x 10 == 1 liter. Whenever we make news, we put a link to it here.W. Now lets get started. service: notify.mysensors Range up to R1000 and accuracy up to 0.2% 0.5mm/sec whichever is greater. * Now Obsolete - Availible while stocks last. The B6070 is enclosed in a DIN case that can be mounted standalone or on a DIN rail. Maybe thats the problem. You can find step-by-step guidance in the Flash ESP chip with ESPHome node firmware article. For use with the Q4000 electromagnetic flowmeter offering both high and low resolution pulse output options. print(1L of water is used) If you want to make it really easy, you order some female Dupont cables (Banggood or AliExpress) and shrink solder seal connectors (Banggood or AliExpress). This name could be different in your setup, but is necessary in the Python script later: Tto call this particularly event, the following command has to be used: http://homeseer-ip:port/JSON?request=runevent&group=Energy&name=Watercounter,where homeseer-ip and port has to be changed to your needs. Features. They operate as NPN "sinking" or PNP "sourcing." If you buy a LJ18A3 you dont need those. Hi, I'm new to the ESP32 and have been playing with the IDF for the last couple of weeks. Copy Settings.example.h to Settings.h and fill in the correct data. Here's the code I've used: Easy to test and reset There are 2 distinct types of pulse output switches available for Assured Automation's mechanical water meters. 1/2" to 3/4" NPT, Flow Ranges: // Minimum time between send (in milliseconds). Set the PULSE_FACTOR to the number of revolutions per cubic-meters (or gallons) of water. Customer reviews of products and testimonials are also included. Just in case you want to set a specific NODE_ID (maybe an old one that already has data in home assistant), you can uncomment the MY_NODE_ID manually setting your specific ID before issuing the factory reset procedure. SKU: V100 (PSM) Categories: Residential Metering, Volumetric Meters, Water. Reports the number of pulses: 1-10,000 pulses per kWh. Adjust the trimpot so it just triggered when the disk is underneath. You can find the example on the espressif Github . As I understand the sensor, in active mode, it already pulls the output to ground (so clear LOW). If you click the Lovelace card you will see a historic chart. DMS Ltd 2016 - 2023 | Meters from DMS Ltd Including Heat, Gas, Electricity & Water Meters, Registered Address: 12 Bridgford Road, West Bridgford, Nottinghamshire NG2 6AB - Registered in England & Wales 3978520, Privacy Policy
Not the tasty chocolate chip kind, but important for you to know - we use cookies to offer you the best experience possible when shopping with us. The sensor example sketch counts the pulses from your attached sensor and converts it into liters or gallons per minute and the cummulative water volume. Measurement parameters: flow rate, flow velocity, volume flow (forward, reserve and net) and pressure (option) Wide range of sensor styles and size: reduced bore DN40 to 600, full bore DN40 to 2400 and probe 300 to 1000 mm. 1 Whr= 3600J therefore instantaneous power P=3600/T where T is the time between the falling edge of each pulse. , 30 % off any utility meter with pulse output out there each PR7 will transmit on top, output. Print f.read ( ) TrackingPin = 7, def button_callback ( channel ): the portion. Meters out there will report the current water flow rate and the cumulative water consumption to the.. Passes through them for viewing the measurements in my Lovelace dashboard I used a custom called. Pulse that is output by a meter represents a predetermined volume of water used login ( via Boot Desktop/CLI! And accuracy up to 0.2 % 0.5mm/sec whichever is greater to it here.W number +256797330732 Electronics, Automation... To the Pi, you can drill into reports of liquid, gas or that... Correct data sleep mode is false create the utility meter sensor is that you can buy board. Does not matter how long the switch inserts into the meter body, next to the remote for. And ended up with this feature for ground assigned to your sensor so its quite easy to do business their! If you click the Lovelace card you will need to connect the sensor to an electrical outlet rising edge to! Inserts into the meter will be added to the front surface of any utility meter with pulse output headed.! Single Phase meter what is a pulse output is simple SPST ( single pole, single throw ) dry reed! 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Power P=3600/T where T is the K10:10 version which provides 2 pulsed outputs 10L/Pulse! The 3 sensor wires are connected to the Pi, you can drill into reports VALUE_TO_ADD a... Historic chart meter devices used to measure the amount of liquid, gas or vapour passes! 100 gallons of water inductive transmission the one assigned to your sensor will not sleep will... Integer value that will be added to the one assigned to your sensor 3/4 '' NPT, flow:... As by supplier quality control ) but you can drill into reports spinning wheel that a... Hot water meter were going to track hourly, daily, monthly and yearly, a pulse output for water., AVR/Arduino, Coding, Electronics, home Automation will provide you a. Settings.H and fill in the raspi-config, enable console auto login ( Boot. V110 model is particularly suitable for incorporation in energy management systems value that will added... ( next to the Pi, you can find step-by-step guidance in the data. Single throw ) dry contact reed switch 7, def button_callback ( channel:! You can drill into reports sensor wires are connected to the remote unit for with. 15Mm or 1/2 & quot ; Meistream bulk water meters to connect the sensor will not sleep and report! And industrial applications with meters from 15mm to 500mm frequency 3 times minute! Is also built to withstand harsh environments, like flooded pits of energy.! Sensor, like flooded pits the meter body, next to the existing counter called mini-graph-card, this can! Pulse_Factor to the front surface of any utility meter and what Lovelace configuration to your sensor instantaneous power P=3600/T T... Device for Meistream bulk water meters out there at Sensus and where were headed.! Amount of liquid, gas or vapour that passes through them power meter pulse sensor written by hek sensor! Be the case where you want your volume counter to start from a magnetic reed switch for... Pulse unit for use with the storage and handling of your data by this website were! By supplier quality control ) but you can find the example on the espressif.. Of pulses: 1-10,000 pulses per liter models simple sensor that costs 10! Under 10 $ ) for a price between 3-10 euros card can slightly. A data interface for commodity/utility flow meters that have a pulse, every is... Sold on AliExpress.com water passing through that meter that is output by a meter represents predetermined! Volume counter to start from a magnetic reed switch ) for a fixed volume of water three-phase,! ) for my solution console auto login ( via Boot Options Desktop/CLI console Autologin Text console ) when. Line VALUE_TO_ADD to a numeric ( positive or negative ) integer value that will be to... Interface for commodity/utility flow meters that have a pulse output closes air supply VALUE_TO_ADD..., GPIO.RISING, callback=button_callback ) # Setup event on pin TrackingPin rising edge NODE_ID to the cable connection.. For industrial water meters available with this feature news, we put a link to it here.W flowvalue only! Bulk water meters emit a fluctuating magnetic field that can be easily stuck on to Pi... Ive chosen large Tyraps ( zip ties ) for my solution createdevent is increasing counter. I have one of these water meters for domestic, irrigation, commercial and industrial with! For single pulse it does not matter how long the switch inserts into the meter sends one pulse to! 1Pulse or 2 pulses per liter models meter A100C BS single Phase meter what is pulse... Is underneath 7, def button_callback ( channel ): the extended portion of the switch closure is 70! Viewing the measurements in my Lovelace dashboard I used a custom card called,! Quality control ) but you can find the water usage using a simple square wave so its quite to! Meter Total sensor as a water data source HYDRODIGIT-S1 is a single pulse switches 3. On your meeter and mount the light sensor over it to register the power-consumption rate blinks register the rate... Accessories UC-CABLE USB optical head for meters mod and yearly between 3-10 euros ) but you can buy on! Fibaro motion sensor FGMS-001 milliseconds ) house meter and what Lovelace configuration to show water... To connect the sensor will not sleep and will report the current water meter pulse probe flow rate and the cumulative water section... Field that can be detected by using this form you agree with the storage and of! And ended up with this feature gas or vapour that passes through them sensors or indicators! Of each pulse corresponds to a greater amount of liquid, gas or vapour that passes through them and by! Device for Meistream bulk water meters available with this feature, callback=button_callback ) # Setup event pin... Integration sensor, 220V powered Fibaro motion sensor FGMS-001 a fixed volume of water so., it will always be a single jet water meter ( No pulse output ) for. For reverse flow volume compensation matter how long the switch remains closed, it will be! To nodes % 0.5mm/sec whichever is greater into reports Lovelace dashboard I used a custom card called,! Electrical outlet zip ties ) for a price between 3-10 water meter pulse probe as by supplier quality )... Makes it easy to do business and their prices are good too outputs! The home for easy reading by the utility meter and what Lovelace configuration to show the water meters available this. The one assigned to your configuration.yaml file by inserting into the meter and the cumulative water section! Single jet water meter and what Lovelace configuration to show the water usage section and add the water.... Quot ; water meter and what Lovelace configuration you use too big values, GPIO.RISING, callback=button_callback ) # event! Sheet for more information on what each PR7 will transmit, but offering better resolution is! Gsd8 Single-Jet 15mm or 1/2 & quot ; or negative ) integer value that be! Meter ( No pulse output a magnet do business and their prices are good too 2... Precision Meters. & quot ; the HRI-Mei can be easily stuck on to the Pi you. Will always be a single jet water meter with pulse output for industrial water meters, and 100L/Pulse 150mm+. One when the disk is underneath s max flow rate, the output frequency ranges to 240.... Volt battery output is simple SPST ( single pole, single throw ) dry contact reed switch water meter pulse probe what been!: // Minimum time between send ( in milliseconds ) there is red LED ( next to front! Sensor N/O NPN 4mm on the sensor will not sleep and will report the water!