f = urllib2.urlopen(url) For use with the older MSM meters and early V200/V210 meters with the grey shroud. In a different script Im calculating daily use right now, Ill extend the existing script in near future with these feature as well. QThe instantaneous flow of fluid (under working condition) [m3/h] 3600-conversion factor in seconds. A water meter is an analog measuring instrument. 1 1/2" to 2" Flanged, Flow Ranges: See the Helix 4000 Specification Sheet for more information on what each PR7 will transmit. Extend the value of your infrastructure with new applications. Do more with your infrastructure. The sensor My first idea for a sensor explored the pulse that the counter unit sends to the remote display unit. Figure 1 * Now Obsolete - Availible while stocks last. 2023 Sensus, a Xylem brand. You can easily create your variants by using different Lovelace cards or mini-graph configurations. Please contact me if you have any questions. Its also important to make sure you buy a 5V version so you can power the sensor directly from the ESP. It is now read-only. to use Codespaces. Selection of Meters In some cases, newer water meters are equipped with a pulse output. I measure pretty much all my utilities, including power and city heating. The utility meter sensor provides functionality to track consumptions of various utilities, including water. $33.00 / Piece. It emits an infrared light and detects the reflection. // could happen when long wraps or false interrupt triggered. This is an alternative flat disc high resolution pulse unit for use with the Helix 3000 and S2000 meters. Most seen solutions are 3D printed holders, Velcro straps and tyraps (zip ties). 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. 6.6 - 660 gpm to 10.6 - 1056 gpm, Quick Deliveries of High Quality Valves and Flow Meters, 2-way Full Port Lead Free Brass Ball Valves, Ball & Butterfly Valves with Limit Switches, Low Emission Triple Offset Butterfly Valves, Stainless Steel; NPT, Tri-Clamp w/ Cavity Fillers, Carbon Steel, Stainless Steel; ANSI Flanged, CS or SS; NPT, Socket Weld, T-Clamp, Flanged, Triple Offset Low Emission Butterfly Valves, Emergency Shut-off Valves Swing Check Valves, Pneumatic & Electro-Pneumatic Valve Positioners, Emission Containment Packs for Ball Valves, Explosion Proof Heavy Duty Electric Actuators, Compare all Meters that Display Flow Rate, Lead Free Positive Displacement Water Meter/Submeter, Fire-Safe Shutoff Valves with Fusible Link, Fire-Safe Ball Valves with Thermal Shutoff. With the unique patented principle backow and pulses are detected and compensated so that meter index and remote register are always identical. Johnson & Sons Ltd, Unit 7 Trinity Court, Calmore Industrial Estate, Totton, Southampton, UK, SO40 3WX, Volumetric Rotary Piston Roller Index Register (m), MID-2004/22/EC OIML R49 EN14154 ISO4064 WRAS, V100 (PSM) - Elster Volumetric Water Meter, 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. Resistor is mandatory and included in the water meter package from Amazon. So, operating the sensor out of the box and with a higher input voltage would surely kill the GPIO-unit. example: ofcourse only for water. The FLM pulse port's meter constant should be set to 0.5L per pulse for this type of water meter. In case you need something new, you can always contact me. I already covered the power usage in a previous post, so this will describe my setup to monitor our water usage. Should be the case where you want your volume counter to start from a specific value (e.g. Can you just explain me, why the script configures a pull-down resistor for the input pin? No working for mee on rapsberry first generation . The Elster T110 probe is fitted with a 100 series resistor to protect the reed switch from a power surge. Settings Copy Settings.example.h to Settings.h and fill in the correct data. Easy to test and reset Low resolution pulse unit for use with the Helix 3000 and Mater 2000 meters. Explore your potential to monitor and optimize your entire water cycle. Assured Automation. It emits an infrared light and detects the reflection. ESP8266 based logger for analog watermeter. Open ESPHome and click EDIT on your node. 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. Here's the code I've used: The sensor can be easily stuck on to the front surface of any utility meter with an LED pulse output. Description Features & Documents Related Sections. Building the sensor is done in a few easy steps, even soldering is optional. For this project, Im using the ESP8266, NodeMCU board. The NPN sensor have 3 wires: Blue= GND (pin 6) Brown= 5V (pin 2 or 4) 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 After the 3 sensor wires are connected to the Pi, you can actually test the sensor. That magnet can be recognized by a proximity sensor. Water meters that can use pulse output switches have a magnet attached permanently to a dial or drum that is inside the meter. datetime.datetime.now().strftime(%a, %d %B %Y %H:%M:%S) Notify me of followup comments via e-mail. There are two types of Hall Effect sensors. The probe is compatible with the Kent V100 'grenade'-type water meter. Using Arduino Project Guidance. . print(1L of water is used) For the water meter were going to track hourly, daily, monthly and yearly. I want to get rid of the RFXmeter with infrared sensor, so this is a good opportunity for switching hardware. Digital pin 3 of arduino is configured as interrupt pin. Without your code I cant help you further. They operate as NPN "sinking" or PNP "sourcing." Adds Thermal Shutdown to ANY spring When the magnet travels far enough away, the reed is released and the switch opens. See whats new at Sensus and where were headed next. I use the following Lovelace configuration to show the water usage. // Check that we don't get unreasonable large flow value. The small radar will start spinning. The flow information will be automatically reset to 0 after 120 seconds (see FLOW_RESET_TO_ZERO_TIMEOUT define) of no input pulses. print(datetime.datetime.now()) There are multiple ways to do this. I see in my blogpost that Im using version 2B, which is the oldest Pi that I own. You will supply a total value of usage and the sensor will track the delta (difference) of the total between the period. For use on the latest range of Helix 4000 and S4000 meters which show PR7 on the meter dial. Each pulse that is output by a meter represents a predetermined volume of water passing through that meter. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. The sensor automatically register itself to home assistant controller which will release a NODE_ID to this sensor (through the gateway). The meter sends one pulse down to the remote unit for every 100 gallons of water used. Return To Category. This information can be found on the meter. Robust . 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. GPIO.cleanup() # Clean up. Honeywell Smart Energy is a leading provider of Intelligent Smart Metering Solutions for water utilities. The meter coefficient of each sensor is filled in the verification certificate by the manufacturer. There was a problem preparing your codespace, please try again. Pulse Counting and sleeping. 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 magnet is positioned on a dial (or drum in some cases) that rotates due to water flow. For a better experience, keep your browser up to date. Water Flow Meter Options Water is probably the easiest of all liquids to meter and consequently many flow technologies are available to accomplish the task. If you click the Lovelace card you will see a historic chart. All rights reserved. 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+. * The sensors forms a self healing radio network with optional repeaters. The friendly staff makes it easy to do business and their prices are good too. More info can be find on the Utility meter page on the Home Assistant website. GPIO.setwarnings(False) # Ignore warning for now High resolution pulse unit for use with the Helix 3000 and Master 2000 meters. In Homeseer, create a new counter via Tools Global variables, Timers & Counters, like this: Because a counter cant be controlled by JSON, nor via the RestAPI, an event is necessary to increase the counter. import urllib2 Work fast with our official CLI. Every time the magnet passes and LED lights up means that a full cycle has occurred. Don't subscribe Here are deep links to a number of stores AliExpress.com [slowest delivery and cheapest],Banggood, orAmazon [fasted delivery and more expensive] .Banggood has a great deal if you buy 10 pieces, a ESP will cost a bit more than 2$ each. HP100 Solid State Pulse Unit This is an alternative flat disc high resolution pulse unit for use with the Helix 3000 and S2000 meters. $199.10. The meter will also show the measurement of a full cycle, in my case this was liters. Flow sensors or flow indicators are flow meter devices used to measure the amount of liquid, gas or vapour that passes through them. You can also set the frequency that the sensor will report the water consumption by updating the SEND_FREQUENCY. You should have ESPHome running and your first node created, its time to compile the firmware and flash the ESP board with vanilla ESPHome firmware. In this mode the sensor will sleep most of the time and only report the cumulative water volume. View our entire library of videos. There are a few parameters that need to be tuned to your water meter. Besides this the values will be stored in MySQL each hour. This version offers a high resolution primary output and a low resolution secondary output. Inductive Pulse output . 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. 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