However, the meter has a register called 02 that displays reverse current (as in selling energy to the power company), and it will incorrectly increment. If there is a load of significance (like a hot water tank), the red led will be flashing every second or so and you will see the decimal portion of the kWh value increment on every cycle through the seven registers. Perfect for residential metering applications regardless of whether the panel or circuit is located inside or outside. The next part is trickier. The meter below is showing 199 volts, generated by the 20A of current from the water tank. This should be about 240 volts. If you use the snap-on variety, you don't have to disconnect. The photos are of a standard Thomas Edison vintage, residential power distribution system where the 220V consists of two 110V legs and a neutral center tap that is grounded (Canada and USA). Digital LCD Display: Large clear LCD display for easy reading, the screen size is 47cm*60cm. The transformers were slid up close together for the photo, but would normally be slid down and tucked into a less crowed part of the panel. International shipment of items may be subject to customs processing and additional charges. There are 99 items available. Again, CT1 and L1 need to be monitoring the same phase. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. A: An electricity usage monitor is a small device that can help you keep a track on what and where your household is consuming energy daily. When you plug an appliance into the Etekcity Voltson (about $48) you can track … Perfect for residential applications where a breaker or distribution panel is flush-mounted in a wall. It has no effect on kWh consumed or what you pay unless you are a commercial customer that is penalized for a low power factor. These transformer wires are rather small to be clamped as they exit the panel so you will have to slide over a piece of insulation jacket (stolen from a piece of Romex perhaps). Utilising Z-Wave Plus and Gen5, Home Energy Meter offers wireless connectivity that is optimised to transmit over greater distances and even through walls. The red light is a pulse indicator that just happened to flash during the camera exposure. For additional information, see the Global Shipping Program, This amount includes applicable customs duties, taxes, brokerage and other fees. $15.85. Unfortunately, every single meter I've found is either 120v or designed for European or Australian plugs. The purpose of this is to induce a voltage that is proportional to the current flow through the wire that is threaded through the donut. Seller assumes all responsibility for this listing. When you are finished, you should get the following readings - each is displayed for a few seconds before moving onto the next: This is the total energy consumed in the forward direction. For this example, we are going to measure an individual circuit (a hot water tank) rather than the entire panel. This is a '3000W' hot water tank. For example, let's assume that the transformer that is connected to the red wire in the photo above is connected to the meter as CT1 (current transformer 1). The donut variety are more accurate but the snap together variety might save you having you to get the power company to disconnect your service so that you can safely disconnect things. If you turn on the load and don't have the wires from the current transformers connected to the kWh meter, you can get fairly high voltages on the current transformer wires -- enough for a shock. The very large black and red wires at the top are the 110V legs which we are arbitrarily calling line 1 and line 2. Something went wrong. See the seller's listing for full details. Copyright © 1995-2020 eBay Inc. All Rights Reserved. CT1 pair is around L1,and CT2 pair is around L2). Etekcity Voltson. Sellers declare the item's customs value and must comply with customs declaration laws. The item you've selected was not added to your cart. Your country's customs office can offer more details, or visit eBay's page on, This item has an extended handling time and a delivery estimate. One is around a red wire, the other is around a black wire. The short version; I am trying to find an electricity monitor (such as a "kill-a-watt" meter) that will record the energy usage of a single 240v appliance over several months. Share on Facebook - opens in a new window or tab, Share on Twitter - opens in a new window or tab, Share on Pinterest - opens in a new window or tab. However, to determine the energy consumption, we also need to know the voltage. In other words, the CT1 transformer and L1 need to connect to the same very large (red or black) wire shown in the top of the first photo. Therefore, and additional pair of wires must be connected to the meter. 199 volts is a nasty shock. In the diagram below, we show two donut shaped current transformers around the incoming 110V phases. kellylogline10 has no other items for sale. The meter below is hooked up and working correctly. AC Power Meter 110V-220V Digital Wattmeter EU Energy Meter Watt Monitor Analyzer. Also, current transformers will often buzz loudly when they are left open circuted (not connected to a load like a meter) which would damage them over time. applicable). Economy Shipping (Economy Shipping from China/Hong Kong/Taiwan to worldwide). A complete residential sub-metering kit for 120/240V systems to quickly and easily monitor a tenant, suite or shop. Each transformer has a pair of black and white wires. If you get the phases mixed up, nothing with explode. We could have also had one transformer pointing towards the breaker and one away from the breaker so that the wiring order was white/black/white/black, but for consistency pointed both towards the load. If you hear a significant buzzing sound, recheck the wires where they attach to the meter's terminal block (terminals 1 through 4). Both the red and black wires are screwed onto the terminals of a 20A 220V Siemens breaker. Please enter 5 or 9 numbers for the ZIP Code. The capital P is for Power. The white wire on the right most pair is the same wire that has a transformer connected as the left most pair (e.g. Will ship within 15 business days of receiving cleared payment. The next photo is of a Siemens electrical sub-panel, somewhat distorted by the camera's fish eye lens. Look at the next photo as a reference: You will see two transformers (donut shaped) with yellow arrows. Check your electrical codes to see how they want you to handle this. This breaker is actually a combo unit that has two 110V breakers and one 220V breaker. Free shipping . Please enter a number less than or equal to 99. $9.66. Digital Wattmeter LCD Energy Monitor Power Meter Usage Monitoring Socket EU. You then have to insure that the wire from the extra 220V breaker attached to L1 (line one on the meter) is on the same phase. This is overkill -- it could have also just plugged into a 220V outlet like an appliance. This amount is subject to change until you make payment. 220V circuits such as water tanks, air conditioners, ovens, stoves and baseboard heaters are twice the thickness and are designed to skip the net ural and connect to two 110V phases (red and black). Watts = (Amps * Voltage * Power Factor). Under load, it will likely read 1.00. Using an EKM smart kWh meter to monitor 220V circuits (North America) This is a guide to installing an EKM brand smart kWh meter to monitor a 220V load. The seller has specified an extended handling time for this item. This should not be incrementing unless you have a grid connected solar/wind system. View cart for details. For additional information, see the Global Shipping Program. $9.84 + $4.24 shipping . 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Top subscription boxes – right to your door, © 1996-2020,, Inc. or its affiliates. Interfacing the meters to a local area network. All resistive loads (stove, hot water tank, baseboard heaters) have a power factor of 1. You’re seeing this ad based on the product’s relevance to your search query. If you are monitoring an entire panel, they will vary because you may have things like a refrigerator between L1 and neutral (a 110V circuit) and only lights between L2 and neutral. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. This is the power factor of Line 1. Mini-Meter single phase 120/240V power meter installed in a UL Listed indoor flush-mount enclosure. This cannot be determined from the voltage of the current transformer, because that voltage is a proxy for current. Poniie PN2000 Plug-in Kilowatt Electricity Usage Monitor Electrical Power Consumption Watt Meter … Register 03 Voltage across terminals L1/L2. Note that the pairs of wires on the bottom left are mirror images. Earn up to 5x points when you use your eBay Mastercard. Also note that the wire pair on the bottom right is a 14 gauge wire going to a dedicated 220V circuit breaker. Be careful and hook up everything before you turn the power back on. The breaker is 20A and has never tripped. This is the power factor of line2. If you have no idea about electrical panels or are unsure how to disconnect your power -- then absolutely do not do this by yourself. All it means is that the current will be higher than you expected from basic V=IR math if the factor is less than one. - eBay Money Back Guarantee - opens in new window or tab, This amount includes applicable customs duties, taxes, brokerage and other fees. 220V AC Power Meter Digital Wattmeter Energy Meter Analyzer mu Monitor Watt Y0C3, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. The photos are of a standard Thomas Edison vintage, residential power distribution system where the 220V consists of two 110V legs and a neutral center tap that is grounded (Canada and USA). Without interference, Home Energy Meter can transmit your home’s electricity use over a distance of 492 feet / 150 metres with your data securely broadcast using AES-128 encryption.

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