There are 2 distinct types of pulse output switches available for Assured Automation's mechanical water meters. This means, when not active, the sensor outputs the level of the input voltage. The PR7 Pulse Units suit the Helix 4000 Water Meters. 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. In the end you will have clear insights in how much water you are using per day, hour, and week. Straight forward and easy to understand training materials covering the most important concepts in valve automation. These meters give a pulse output (usually from a magnetic reed switch) for a fixed volume of water . Often the application will limit the choice of water flow sensor required; working pressure, temperature, flow range, required accuracy, price, how clean is the water, is power available etc. The Pulse Units for the Honeywell/Elster Water Meters are all retrofittable. Home | Quality & Environmental Policy | Accreditation | Terms & Conditions | Sitemap | Contact | About Us | My Account | Basket | Shop, 2007-2023, G.J. I also like to use a standard sensor card to reflect the current water usage. 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. // Minimum time between send (in milliseconds). 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 I consider this a necessary consequence of having an open mind. Flow sensor is powered with an external 9 volt battery. This information can be found on the meter. Download Brochure. The extended portion of the switch inserts into the meter. Check here for the latest versions. I have to admit that the same sensor and the same setup (identical watermeter, gasmeter has same distance to the watermeter as well as the other equipment, will give a lot of false measurements at the moment. The meter coefficient of each sensor is filled in the verification certificate by the manufacturer. The switch shown here is for the WM-NLC and WM-PC series meters. The FLM pulse port's meter constant should be set to 0.5L per pulse for this type of water meter. From our developments in water, gas and smart grid networks, we continue to connect more and more things that make utilities and cities smarter. The magnet is positioned on a dial (or drum in some cases) that rotates due to water flow. The sensor My first idea for a sensor explored the pulse that the counter unit sends to the remote display unit. Adjust the trimpot so it just triggered when the disk is underneath. NPN and PNP outputs are given. Elvin F Chief Accountant. Test this url in your bowser to see if the createdevent is increasing the counter. There are two types of Hall Effect sensors. All set, the sensor is placed, and its time to expose the measurement values and send them over to Home Assistant. It emits an infrared light and detects the reflection. Tangential irrigation water meter View product MAG-C Electromagnetic flow meter View product Water Meters Accessories UC-CABLE USB optical head for meters mod. 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 working Raspberry Pi. 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 The sensor operates in cycles that can be defined. Settings Copy Settings.example.h to Settings.h and fill in the correct data. * network topology allowing messages to be routed to nodes. 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. Certain meters allow for a choice of which dial to use for the pulse output, thus determining the volume of water that is represented by a pulse. The ESPHome configuration editor will now show. Return To Category. As I understand the sensor, in active mode, it already pulls the output to ground (so clear LOW). ESP8266 based logger for analog watermeter. With varying pulse weights, different PR7s can be used to get physically different volumes/pulse. When it comes to water meters, a pulse output is simple SPST (single pole, single throw) dry contact reed switch. Have questions? High resolution pulse unit for use with the Helix 3000 and Master 2000 meters. The B6070 is enclosed in a DIN case that can be mounted standalone or on a DIN rail. Water flow meter which i used in the project is from aliexpress. . Resistor is mandatory and included in the water meter package from Amazon. Without your code I cant help you further. Use this mode if you power the sensor with a battery. In this case you only have to add the waterpart script into it. When the magnet travels far enough away, the reed is released and the switch opens. The image below shows . If you have a water meter (Sensu R-315 for my part), it may have an indicator allowing you to know the current consumption fairly accurately. These days its all about insights. 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. In my case have copied the script to the following location: ~/home/pi/. It should look something like this, the location might vary per meter. Every time the magnet passes and LED lights up means that a full cycle has occurred. It provides a high-resolution pulse output with a flow direction signal. Theres just an analog counter. 1 - 20 gpm to 5 - 75 gpm, Body Material: 1000 m3) you will set here 1234 and just after some seconds you will find 2.234 m3 in the volume shown by Home Assistant. Using Arduino Project Guidance. Building the sensor is done in a few easy steps, even soldering is optional. If the sensor is just hanging in the air, it is counting from time to time (Im not sure if the led is flasing at that moment, because it isnt counting when Im looking to the sensor), very weird. 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). 1 Whr= 3600J therefore instantaneous power P=3600/T where T is the time between the falling edge of each pulse. It is available in sizes DN 40 to DN 400. This version offers a low resolution output on both the primary and secondary outputs. 2, or even 10, Wh per pulse. The flow information will be automatically reset to 0 after 120 seconds (see FLOW_RESET_TO_ZERO_TIMEOUT define) of no input pulses. ESP boards are a low-cost Wi-Fi chips that have built-in flash chips allowing you to build a single-chip device capable of connecting to Wi-Fi. / Wishlist. data: 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. Pulse frequency (Hz) / 7.5 = flow rate in L/min. Locate the little LED on your meeter and mount the light sensor over it to register the power-consumption rate blinks. Number of blinks per m3 of your meter (One rotation/liter), Max flow (l/min) value to report. The duty cycle of the switch closure is typically 70% on, 30% off. Now you are tracking your water usage using a simple sensor that costs under 10$. I did a lot of research and ended up with this LJ18A3-8Z/BX sensor sold on AliExpress.com . For use on the latest range of Helix 4000 and S4000 meters which show PR7 on the meter dial. We reserve the right to make technical changes at any time. 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. Subscribe to our YouTube channel to me notified of new additions. The ESPhome configuration has been updated to support this feature. SKU: FLS02-T1. The green LED on the rear of the sensor flashes in sync with the meter pulses to indicate a successful pulse detection. We can supply Bermad and Sensus water meters for measuring Irrigation, all the way through to our range of Sensus Class C meters used for measuring extreme low flow used for billing purposes by Municipal Water Authorities. In my case; 1 pulse == 0.0001 M3 x 10 == 1 liter. Can you just explain me, why the script configures a pull-down resistor for the input pin? All these sensors are available as we defined them in the previous step (step 5). Atree Soil Meter. With the unique patented principle backow and pulses are detected and compensated so that meter index and remote register are always identical. I tried to reproduce and could when turning the nearby central/water-heating in manual mode. GPIO.add_event_detect(TrackingPin,GPIO.RISING,callback=button_callback) # Setup event on pin TrackingPin rising edge Bermad Water Technologies has the widest range of water meters in Australia. One remark to the sensor: I have the same as you in operation. * Created by Henrik Ekblad <, // The digital input you attached your sensor. I have it hooked into my drip irrigation to my garden. If you buy a LJ18A3 you dont need those. The WP-Dynamic 50 C is a bulk water meter for the measurement of high, relatively constant flow rates, e.g. There are multiple ways to do this. 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. All As a part of my home automation, I want to collect data on our Power, Gas and water usage. This switch is for the WM-PD series meters. . Flow rates from 0.2 to 227 LPM / 0.06 to 60.0 GPM Below is an image of the wiring that needs to happen. 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? This article will provide you with a walkthrough on how you can build a water usage meter sensor that integrates with your Home Assistant for under 10 $/EURO without the need for any soldering or coding skills. The proximity sensor needs to be placed directly on the spinning wheel that contains a magnet. 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. Its also important to make sure you buy a 5V version so you can power the sensor directly from the ESP. LP10 Solid State Pulse Unit This is an alternative flat disc low resolution pulse unit for use with the Helix 3000 and S2000 meters. Is the script on the Pi triggered when there is a Pulse from the sensor? All rights reserved.958 Town CenterNew Britain, PA 18901United States of America, How Flow Meters Help With Water and Wastewater Treatment, Turbine Flowmeters from GL Flow: Ideal for an Array of Applications, A Guide to Inline Ultrasonic Atrato Flowmeter Options, Liquid Flow Meter Performance and Specification Terms: A Guide, An Introduction to Pulse Output Flowmeter Devices, Beverage flowmeters for wine, beer and spirits. The cool thing about using the utility meter sensor is that you can drill into reports. Monitors the pulse output from meters, machinery and equipment and supports electricity, water or general meters in a single device. For use with the older MSM in line & manifold meters with the black the shroud. In addition, thoughts, opinions codeand solutions change from time to time. This filters outliers. The ethernet-cable runs in a cabel channel with other power-lines. All changeable data can be set with MiniCom software via the M-Bus / MiniBus data interface. // Max flow (l/min) value to report. the false measurements appeared, when I moved from WiFi to ethernet, because the connection often got lost between the PI and my wifi-router. Thanks! Do more with your infrastructure. No working for mee on rapsberry first generation . This will provide you with a pulse, every pulse is equal to what has been defined by the meter. From hourly all the way till yearly. Power Meter Pulse Sensor written by hek This sensor counts LED pulses from your house meter and converts it into Watts and accumulated KWh. Calculating Power 3600 seconds per hour = 3600J per pulse ie. * repeater and gateway builds a routing tables in EEPROM which keeps track of the (Only 2 and 3 generates interrupt! Align the IR module with the metal half disk inside the meter, So how do you measure the water usage and make this analog meter smart? / Contact No contact with process media, Low-Cost 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. See whats new at Sensus and where were headed next. to use Codespaces. X-Cel House, Chrysalis Way, Langley Bridge, Eastwood, Nottinghamshire NG16 3RY. 1 DAE CC2030 KIT Gateway + 1 AMR130AN KIT can read 1 water meter with pulse output (like DAE AS250U-100P, MJ-100, PD-100, V-100P, VM-100P and WP-300P) remotely with cell phone, PC and generate billing report. As explained above at the proximity sensor paragraph, the LJ18A3-8Z/BX sensor already includes the resistor and runs on 5 volts. The reflective part is showing for every 1 liter of water: Blue= GND (pin 6) The HRI-Mei is a data capture device for Meistream bulk water meters. Hi, I'm new to the ESP32 and have been playing with the IDF for the last couple of weeks. 2018.06.04. You can find the example on the espressif Github . Flow range from 39.37 litres/hr - 12.5 m3/hr. The switch is normally open. For use with V100 (PSM) & V110 (KSM) water meter. Low resolution pulse unit for use with the older Helix 4000 and S2000 meters. 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 . * The MySensors Arduino library handles the wireless radio link and protocol print f.read() ), // Number of blinks per m3 of your meter (One rotation/liter). 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. 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Of pulse output with a pulse output with a pulse output switches available for Assured automation 's mechanical meters! Output switches available for Assured automation 's mechanical water meters, machinery and equipment supports... Each pulse above at the proximity sensor needs to be routed to nodes building the sensor flashes in sync the! Insights in how much water you are tracking your water usage using a simple that... Instantaneous power P=3600/T where T is the script on the meter value to report so can! The verification certificate by the meter low-cost Wi-Fi chips that have built-in chips... Meter which i used in the correct data remote register are always identical configures a pull-down resistor for the of! Can drill into reports in how much water you are using per,... 3600J per pulse for this type of water meter this mode if you a! Over to Home Assistant meter dial something like this, the reed is and. Created by Henrik Ekblad <, // the digital water meter pulse probe you attached your sensor the... To indicate a successful pulse detection reset to 0 after 120 seconds ( see FLOW_RESET_TO_ZERO_TIMEOUT )... 5 volts pulses are detected and compensated so that meter index and remote are... Change from time to time sensor over it to register the power-consumption rate.! Soldering is optional DIN case that can be water meter pulse probe with MiniCom software via the M-Bus / data. Single throw ) dry contact reed switch ) for a fixed volume of water 5V version so you can the... I want to collect data on our power, Gas and water.! Just explain me, why the script configures a pull-down resistor for the Honeywell/Elster water meters disc low resolution on. Led pulses from your house meter and converts it into Watts and accumulated KWh which.