It really makes you understand things - if you like me would take this and try to measure something real, and I mean not just get some numbers, but really measure current, mains frequency, play with opamps and ADCs, learn to account for bias currents and offset voltages and so on and so on. FREE delivery Aug 9 - 24 . It sounds like you may have a defective part. Features: Copyright 2023 Functional Devices, Inc. From: Customer: Creation Date: Expiration Date: This product is already in your quote request list. Each outputs 333mV or 0.333V at rated current I've tried both the Arduino energy monitor project and simply adding a 10 Ohm burden resistor and then measuring with a voltmeter. Each unit has a three position slide switch to select the most suit- able range for the application. window.__lc = window.__lc || {}; Just what I needed!" 5.0 out of 5 stars 1. Terms of Sale The Precise CT series are split-core current sensors specially designed to operate with the PQube 3 Power Analyzer series. 1.7 lb. AcuAMP sensors are cost-effective and easy to install. The SCT series can be customized with these options. Split-core magnetoelectric current sensor and wireless current Current Sensing Current Sensing Senva is the industry leader with Preset sensors that provide fan and pump proof of flow without calibration in live enclosures (Pat Pending). Am i reading it wrong? Reset From: Customer: Creation Date: Expiration Date: 1 2 3 4785 Next Revenue grade, IEC 60044-1 class 0.5s class split-core AC current transformer. verified purchaser. Wires are connected to the tip and sleeve of the 1/8" jack. Like any other transformer, a current transformer has a primary winding, a magnetic core, and a secondary winding. You'd probably need a resistor divider to get readable voltages, and that can be tuned with a pot for new maximum voltages. Output: mA or 0.333Vac to 3.53Vac CT-SP-5-800-5A | Eaton 5A split core current sensor | Eaton Split-core AC current Sensor | Onset's HOBO and InTemp Data Loggers Split Core, 1200A 0.333V Metering CT 76.2mm x 127mm I.D. I'm now playing with incorporating an AD636 true RMS to DC chip, which is working reasonably well, but still has issues at very low voltages (like a few mV). It uses a stereo plug, but i couldn't find which pin is NC. Measuring a 30 A load will yield a voltage of 151 mA. This sensor can be clamped on to the existing cable without interruption of the primary circuit. Benefits of E-Mon split core . The orientation does not matter. Works well with an automated current measurement system. PDF 1414-IN019A-EN-P, Current Sensor Installation Instructions The spec sheet uses a 10ohm load resistor to characterise the output voltage vs current curve. HCT-0036 Hall Effect Split-Core Current Transducer DC Current Sensor, 500 Amp DC, 4 Vdc or Vac Output 36 mm Opening rated at 500 Amp 0-4 Volt dc Output. I had no problem determining the pump's on/off state with a 9 A primary, 11 ohm burden resistor, and an Arduino, about 5 years ago verified purchaser. Split Core, 600A 0.333V Metering CT Square 50.8mm I.D. Haha, sorry, I know. In this scenario the current sensor core may be "split" apart (opened) and the wire may be inserted into the core to be sensed. // ]]> I believe if you wrap it twice around then it will read at 16A then divide it by 2 and you will have your value. Revenue grade, IEC 60044-1 0.5s class split-core AC current transformer. by Member #634802 look at page 5 and 17 of http://www.crmagnetics.com/Portals/0/main_cat.pdf it talks about changing the ratio and wire pass I was hopeing with my vagueness it would spur someone to do more research. I have used the CR 8348-2000 without a preamp. Hi there, it sounds like you are looking for technical assistance. We dont share data and privacy is very important to us. I was using the circuit from OpenEnergyMonitor to connect this to an arduino, but couldn't get anything but useless noise. Product Length/Depth. verified purchaser. This gave me a gain of 5mv/amp of current flowing in the circuit. by Member #773001 Suprisingly well in fact. PRODUCT LAUNCHES > It must be something to do with noise or earthing or something as it only does it when not connected to the computer. Copyright Magnelab. by Member #521013 There was no detectable phase shift and the measured amplitude of the current was the same as well! You should really write in HUGE letters that the sensor needs to be clamped on one of the wires. These transformers are particularly suitable when installed on wiring that is already in place, as it can easily snap around the existing conductor. by Robin Midgett Urgently needed. Current Sensing - Senva Inc Note: If file(s) are missing from the .zip download then the file type is not supported by bulk download. about 6 years ago I notice the datasheet said something around 660v and 3KV max, which is too low. Phase angle: Less than 2 degrees at 50% of rated current Cry. Very simple and easy, and the Photon fed the information directly to the internet, where I have a VPS server that logs the data. The rather important Calibration step is obfuscated for other boards (bit of MagicHappensHere). All materials used are UL certified. DCT Series. The center conductor on the jack is not connected to anything. The JIANGYIN SPARK series of split core current sensors are designed for fast and easy installation. I do try to be loyal. Manufacturers A Accuenergy Canada Inc. (1) Ahlborn Mess- und Regelungstechnik GmbH (1) Angst+Pfister Sensors and Power AG (4) C Contrel elettronica (1) D DENT INSTRUMENTS (2) E Electrohms (3) H HIOKI E.E. The solid core does have an advantage in terms of the low end of the sensing range: 0.25-0.5 Amp for solid core vs. 0.5-0.75 Amp for split core. I figured that I would try this product and benchmark it against the expensive current probes. 1.24 in. Split core hall effect current sensor measure DC, AC and complex current wave forms with galvanic isolation. Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first. We all are still hoping to see the 100A ones! This is a decent current sensor. passing through the center conductor. by StupidAlias SPLIT-CORE CURRENT SENSORS 800-1600 Amp Dim: 5 3/4" H x 5 3/8" W 1 3/8" D Amp Interior Dim: 5 7/16" x 7 7/8" Exterior Dim: 9 1/4" H x 7 7/8" W x 1 3/8" D All current sensors are split-core type. It may be possible to get a meaningful reading from a small load with this CT sensor, just not with the code and / or hardware I am using. All rights reserved. verified purchaser. The low voltage wiring compartment of the T Style eliminates the need for a junction box. Alas, there isnt much documentation on it or how to use it. 4 turns 32A divide by 4 etc. Split Core Current Sensor SCT-T16 HCT-0036 Hall Effect Split-Core Current Transducer - Magnelab Four sizes available, each with a safe 333mV output. (Problem presents as a new, completely different current to voltage ratio.) Turns out that testing this out with a small load isn't smart. about 3 years ago does this work with DC current.. I just got it uploaded and there's a link in the documents heading. Side note:- Would you please send me the details of connection & code. I used differential mode on the ADC to simplify the circuitry down to just a burden resistor. It was accurate to about a tenth of an amp when clipped around the hot wire of a short extension cord. I spent the better part of an afternoon staring at my wiring and code to figure out what was "wrong" with my setup. about 8 years ago Product Weight. about 8 years ago It allowed me to add my new features without interfering with the existing system. The HCT-0036-500 has a self-locking mechanism. Sense loads 15-2000A SYUAB 4Pcs 100A/50mA SCT013000 Non-invasive Split Transformer Sensor SCT-013-000 Split Core Current Sensor Transformer, Blue, 4psct100A. Accuenergy Inc. 2022 | Terms & Conditions | Privacy Policy |, AcuCT C Measurement Canada Approved CT Converters, Accuenergy Awarded ISO 9001:2015 Certification, 300A, 500A, 600A, 800A, 1000A, 1200A, 1500A, 500A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 2500A, 3000A, 800A, 1000A, 1500, 2000A, 2500A, 3000A, 3500A, 4000A, 800A, 1000A, 1500A, 2000A, 2500A, 3000A, 3500A, 4000A. Digital Fault Recorders by Member #1478484 Use on services from 5A-5000A (depending on model). Using an MCP3002/3004 analog to digital converter, I was able to get this sensor working with a Raspberry Pi. Accuracy: 1% from 5% to 120% of rated current Can you recommend what size resistors and capacitors to use in this circuit if using it with Sparkfun's current sensor. Small size, low cost Product Height. we finish ours we will correct that. verified purchaser. (Solid-core option available; specify when ordering.) Non-Invasive Current Sensor - 30A - SEN-11005 - SparkFun Electronics Connecting my multimeter directly to the sensor (with the burden resistor) still gave me inconsistent results. AC Current Transducer Sensor Split Core Transformer 0-10A,20A,50A Output 4-20mA RMS UL&CSA,CE&Rohs. The output in mV is the measured current. Amazon.com: Split Core Current Transformer Please choose to either keep your existing cart, or create a new cart with this product. First, you don't clamp this around CABLE, you clamp it around WIRE. The referenced "Arduino Energy Monitor Project" references the OpenEnergyMonitor.org and their Emon library. about 8 years ago Can this sensor do both DC and AC load currents or just AC only? Models are available with fixed or adjustable current sensing trigger points, with voltage outputs or 4-20 mA regulation. The sensor can be programed to detect . Obviously it's trivial to make your own, but if you wanted to cut things, you might as well use an invasive sensor. Split Core, 400A 0.333V Metering CT Square 50.8mm I.D. Otherwise, you will read nothing, because while current in one wire is going one direction, the other is going the other direction, canceling each other's effects out. Unfortunately, the new datasheet only lists the "Turnn ratio". On mine it appears that tip and shield are connected to the transformer and ring is open, for some very strange reason. Both the Arduino ADC and the voltmeter give me a reading of 0V (or in the case of the energy monitor project circuit, 2.5V). shopping cart, Creative Commons The wires inside the cable will cancel each other out. 4.37 in. The CT output seems to match pretty closely to what's printed in the datasheet. verified purchaser. by Member #106819 I will be purchasing many more of these and outfitting our test cells with them to have dedicated injector measurement systems. verified purchaser. All rights reserved. DC Sensors | Accuenergy Product Width. I'm fascinated by the data I'm collecting. These can be safely and simply installed to be used with most power meters, data loggers, and other instruments. I have been tinkering with this device. A split-core AC current sensor responsive over the range of 0 to 100 amps AC for use with U12 data loggers with external input channels. Am I just an idiot or does the datasheet not mention what parts of the TRS plug are what. I recently learned how to transmit this data remotely with Arudino and nRF24l01 so I want to make a complete set with remote transmission. The tip and the sleeve are used. I put a video up on youtube to show the setup needed to use this sensor. MCT Series. But it occurred to me that I would need to open some electrical boxes to place the current sensor around feed wires. Datasheet . Hi, may i know when will this item be re-stocked? Split Core Current Sensor - Sensaphone Leads: 4Foot(105cm), UL 1015, Twisted Pair, 24AWG I'll grant that this probably has lower specs than the CR part because it's a split-core transformer, but 40mV seems extremely low. about 9 years ago Split-core current sensor Wireless current measurement 1. verified purchaser. SCT-0750 - Magnelab This sensor is not designed for use with intrinsically-safe (IS) loggers . 99. I was verifying that things were working with a living room lamp, which had a 10W LED bulb; a load way too small to get a meaningful reading out of this thing. CTs come in a range of inner diameter sizes and amperages, // YHDC Hall Split core Current Sensor HSTS016L 10A/2.50.625V 1% I used the circuit emulator app at http://www.falstad.com/circuit/ to get the resistor values right, but in the actual circuit the amplification wasn't at all linear down there, so it made measuring small currents impossible. NOTE: The above split-core current sensors are supplied as standard with E-Mon D-Mon Class 1000, 2000, 2100, 3200, 3400, 5000, Green and Green Net meters. PRODUCT SUPPORT http://www.crmagnetics.com/Products/Assets/ProductPDFs/Precision%20Rectifier%20Circuit%20for%20CT%20Signal%20Conditioning.pdf. The opening of the split core current sensor can monitor a wire that is up to half an inch in diameter, which can take you into the 0-gauge wire size, depending on the wire insulation thickness. This split-core sensor records AC amperage; for use with HOBO U12, UX120-006M, MX1100, and ZW series external-channel data loggers. Works very well. UPC. I have a few from eBay and there much more use. Anyone have any tips on how to get this to work with a raspberry pi? Split Core, 200A 0.333V Metering CT Square 31.8mm I.D. To cancel out the the current threw the sensor place the neutral/return wire threw as well. All rights reserved. Phone jack, needs an analog circuit and there is no board for this? Can you post pictures and a diagram on how this was done. That is the premise of a GFCI the Neutral and Hot wire pass threw the window and the ground does not. 5.83 IN. Split core current sensor HSTS08L Rated input 10A/20A Rated output 2.5V0.625V. verified purchaser. Maximum Primary Voltage: 5000Vac(Insulated Conductor) These current transformers are the best solution for applications in energy measurement and management. I'm using a 10 ohm burden resistor, but then I'm looking at measuring amperages that go up close to the maximum capacity of the CT (the spec sheet says 60A, even though the product description says 30A). ACT Series. Alas even the official data sheet doesn't show the frequency response. This non-invasive current sensor (also known as a "split core current transformer") can be clamped around the supply line of an electrical load to tell you how much current is passing through it. Specifications: MCT-0024 Current Sensor with 4-20 mA Output - Magnelab And there will be high frequency noise, so a low pass filter of some sort is often needed if you want to digitize the 50/60Hz AC waveform. Output and leads can be customized, PV Inverters,PV monitoring,Energy storage solutions Current and Voltage Sensors (AC & DC) | AutomationDirect This may just be obvious to everybody else Is anyone successfully using this CT? And it looks like it's actually rated for up to 60 amps. Should do any 3.5mm audio jack. Here's a simple circuit to do precision rectification, amplification and averaging. JANSANE SCT-013-030 30A Non-invasive AC Current Sensor Split-Core Clamp over the black wire of an A/C circuit < 30 A. You can purchase your products in separate transactions. Eaton 5A split core current sensor. Since is is only a coil (vs. a Hall-effect IC), then yes, it is AC only. Learn everything about Split Core Current Transformer - InnovatorsGuru Our Split-core Metering CTs come in a range of inner diameter sizes and amperages to accommodate a wide variety of installations and retro-fits. gtag('config', 'UA-179506601-1'); This type of current sensor is for measuring AC current only. The sensor can be programed to detect current levels from 0 to 200 A. You could feasibly play with the resistor values to tweak the output, but it will affect the accuracy for a given range of values. The 0 to 10 V output units have a 20/100/150 Amp sensing range. Mini Split Core Current Sensor; 0.333V split core current transformer; UL 2808 Solid Core Current Transformer; Split Core Current Sensor. CE ,UL recognized, and RoHS compliant On top of that an overvoltage (transient) limiter is a good idea too. ");return i(["get",c.call(arguments)])},call:function(){i(["call",c.call(arguments)])},init:function(){var n=t.createElement("script");n.async=!0,n.type="text/javascript",n.src="https://cdn.livechatinc.com/tracking.js",t.head.appendChild(n)}};!n.__lc.asyncInit&&e.init(),n.LiveChatWidget=n.LiveChatWidget||e}(window,document,[].slice)) Enjoy:). UPC. Features: Small size, low cost High secondary turns Heres another example that uses the Particle Photon: Here's another example that uses the Tessel 2: You will not be able to use this sensor if you clamp it around a cable. What is the pinout on the audio jack for one of these? The device comes with a self-locking mechanism. window.__lc.license = 12288420; I've lost three sensors this way. Amazon.com: Split Core Current Transducer ROB-24601 I have other clamps that are spring loaded and they stay closed tight. Split Core, 300A 0.333V Metering CT Square 31.8mm I.D. verified purchaser. If you look at the picture closely in the link, you'll see this. I got one that arrived broken, and the hinge on another looks so weak that it will fail if opened and closed frequently. Product Weight. CORPORATION (1) J Jiangyin Spark Electronic Technology Co.,LTD (15) K Revenue grade, IEC 60044-1 0.5s class split-core AC current transformer with multiple window sizes & many output rating choices including 80mA, 333mV, & 5A. decent product, needs better documentation. The maximum output voltage is given by. by Member #293881 We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power today and well into the future. Model CTC Split-Core Current Transducers | Setra Systems electrical wiring by snapping around the conductor. Range: 2 to 20, 5 to 50, 10 to 100, 20 to 200, 60 to 600 AmpsAccuracy with H8: 5.0% of full scaleAccuracy with U12: 4.5% of full scaleAccuracy with UX120-006M, MX1104 and MX1105: 2.1% of full scaleResponse time (from 10% to 90% of amplitude): see tableInput current: AC current, sine wave, single phase 50 Hz or 60 Hz, load power factor 0.5 to 1.0 lead or lagVoltage rating: 600 VACConstruction and operating environment: Molded plastic housing for indoor use per UL508; pivoting leg (leg on CTV-D and CTV-E units is fully removable); UL listed.Cable length: 1.8m cable (6 foot)Dimensions: see table. 37.4 ohms would give me an output voltage of 150mV, or about 12.5 steps, but I need to know whether the transformer will saturate with this resistance. Smart energy Alas the project is for UK and tailored to their boards. With an input current of AC current sine wave single phase 50 Hz or 60 Hz load power factor 0.5 to 1.0 lead or lag. If I base myself on the product it replaces, the front and back connections are used and the center connection is NA. This works great for detecting when my 10A sump pump energizes. That's much more flexible, simple, and cheap than most any preamp circuit. Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. Current Ratio: 500:1 ,1000:1 ,2000:1 ,2500:1 ,3000: 1 A 24V DC power supply is required to power the sensor. by Member #65028 I need to build this. Split-core current transformers provide accurate measurements of AC electrical systems and feature a removeable or hinged leg for easy installation without disconnecting wires or interrupting power. Current sensor - Tagged "Type_Split core current sensor" - PowerUC I used this to add on to an old electronic system that I didn't want to modify the wiring of. Both retrofit and semi-permanent metering applications can benefit from the split-cores non-invasive design. tip and ring, i have it working for 20 amp max at the moment don't know the burden resistor out of my head but with the formula above or if you google there are calculators online to find the wright size. Made in the USA with pride and innovation. As already mentioned, bring on the 100 amp clamps. Onset Computer Corporation. You might try looking into Hall effect current sensors. Just what I needed! about 8 years ago Product Description. about 7 years ago Well under test conditions anyway. I'd like to increase this resistance by (30/8) = 3.75 times, to 37.5 ohms (realistically 37.4 ohms in the 1% E96 series). These current sensors take either a DC amperage input or an AC amperage input. Too bad it's not quite large enough to clamp on the usual residential home size power feeds or you could meter your whole house's power use. This split core current transformer is particularly suitable for DIY use and it works well with arduino and raspberry pi. Magnelabs HCT-0036-500 split-core current Onset, HOBO, InTemp, and all other names of Onset products referenced herein are trademarks or registered trademarks of Onset Computer Corporation. The CT terminates at the plug's tip and shield which appear on the Left channel terminals when using a stereo socket. And there's a catch of course. If the installation is a retrofit, I typically suggest split core. I used 'zip' ties to be sure they don't open in the panel years from now. //