3/4" Stainless Steel High Definition Pulse Output Water Meter - SPWM-075-HD. This is a great stainless steel water meter that can be read locally, or can be set up to be read remotely when paired with an Omnimeter Pulse v.4 and an EKM Push gateway.
The complete system provides your water meter data in the cloud for free! No recurring fees of any kind.
Type: 3/4" Stainless Steel, High Definition Pulse Output, Water Meter
Mounting: Horizontal Inline Mount -- 3/4" Male NPT Pipe Threads
Our remote readable 3/4" Stainless Steel Pulse Output Water Meters are a great solution for remotely, or locally, monitoring water consumption.
This is a well made, industrial grade, stainless steel (304 grade) water meter. You can use it as a traditional water meter where you read the water consumption off of the face of the meter. It also has the added functionality of being able to connect the pulse output wires to a pulse counting device. This meter produces a pulse for every 0.01 cubic foot (approx. 0.075 gallon, or 0.283 liters) that flows by the meter, these pulses can then be counted by one of our pulse counting devices.
This meter is designed to generate pulses at a high rate to provide high granularity data when set up to read with a computer. This high granularity can provide better insights into usage patterns. In particular, it can tell you if you have a leak in your water system, because it only takes ~0.6 pints of water leakage to generate a pulse. In other words, if you see a pattern of pulses when you shouldn't (when you aren't intentionally using water) then you probably have a leak somewhere. The number of pulses over a given period of time will tell you how severe the leak is. Identifying and fixing water leaks can save a ton of money in water costs and overage penalties, not to mention mitigating the damage that any leak can cause.
Remote Water Reading:
This pulse output water meter can be connected to our EKM-Omnimeter Pulse v.4, which is our new pulse input meter. This is our most advanced electric meter to date. This meter can count the pulse outputs from up to 3 pulse output devices. It can also control up to 2 external relays, which allows you to turn things on and off remotely.
This water meter, when connected to a v.4 Omnimeter, can send pulse data to the cloud with our EKM Push communication system. The EKM Push sends all of your meter data to our cloud database and inserts it into your personal account, where you can access it for free. In other words, with this system you can easily monitor water use, at an unlimited number of sites around the world, for free.
Encompass.io is our free online meter management platform for monitoring data, managing meters, generating bills, and more. It is designed specifically for people who are remotely reading their meters via the EKM Push system. This platform can be used to visualize data on customizable dashboards, visualize cost, monitor trends, group meters, and a lot more. Each meter and meter group in Encompass can also be set up to email you, and/or your tenant, PDF bills. Here is a sample PDF water bill:
The EKM Widget offers another option for quickly seeing your water meter data online. It is also easy to save and share your Widget setting once you have it setup how you want. Here is an example:
Use these water submeters to meter the water consumption in your apartments, your irrigation water (which can save you in sewer costs in some areas), meter your well output, or use them to detect leaks while you are away.
Robust cast stainless steel body and fittings
Blue plastic cover protects the meter face from damage
Simple 2-wire connection between water meter and kWh meter
Can you specify the 3 wires it has and what they do?
The red and the white wires are both switch closure wires. The black wire is the common ground wire. You can use the combination of the black/white or black/red in order to count the "pulses" generated by the switch closure. For this meter the pulse output happens for every 0.01 cubic feet of water that pass through the meter. The pulse output wires can be connected to the Omnimeter Pulse v.4 and EKM Push gateway in order to read the water meter remotely over the internet.
Is this meter compatible with deionized water?
Yes, all of our water meters are compatible with deionized water.
Are there 2 Reed switches where the dial/magnet passes through?
I assume yes because I get pulses every time the dial passes either side of the switch.
Is the Reed switch or switches, normally open and if so, how does it account for a situation where the dial can sit directly in the "closed" position when the water is turned off or no longer flowing?
I am curious if there is a mechanism to account for false positive rise in voltage because the dial/magnet just so happens to sit in a direct position where the Reed switch is actuated into the close position making contact for current to pass as a "pulse".
Yes, for our high definition water meters, the pulse output module contains 2 dry contact reed switches. One reed switch is connected to the white wire and the red wire, the other reed switch is connected to the white wire and the black wire. We generally only recommend you connect your pulse counting device to the white wire (ground) and the red wire, we advise you to ignore the black wire. See section V. of the spec sheet: https://documents.ekmmetering.com/EKM-SPWM-075-HD-water-meter-spec-sheet.pdf
Yes, the reed switches are normally opened. Every time the dial with a magnet on it makes a full rotation, it closes the reed switch. The reed switch can remain closed for an infinite period of time if water stops flowing through the water meter. As long as you only count the rising edge of the pulse and account for debounce, you should not see extraneous pulses.
If you have a situation where water can flow forwards and backwards through the water meter, this could produce too many pulses. This is best solved with the use of a check valve to ensure that water only flows in one direction through the water meter.
Ideally the water would flow from the source, to a valve, then to a T-drop or filter (to clean out sand and grit), then to a check valve, then to the water meter.