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171 Threads found on edaboard.com: Hall Current
You can use hall Effect sensors Try Allegro LEM has a similar idea, but requires special attention to the PCB since the current does not pass through the IC (as it does in the Allegro case)
Hi, I am in a spot of bother with the ADC conversion of a simple resistor ladder network.What i have is a series of 150(1%) ohms resistors with every other terminal of the resistor connected to o/p of a hall sensor.Yes,the hall effect sensors and the resistors are equal in no. Sort of like this --constant current (...)
Here?s a hall effect current sensor that should do the job:
hall sensors, such as UGN3503, or similar, have analog output that is directly proportional to the strength of magnetic field .. Take a look at the attached circuit .. it shows the UGN3503 hall sensor with an amplifier based on an opamp, in this case the ?A741 .. Also, have a look at the next picture that shows how this sensor is physically mount
Hi al. I have a quick question about hall effect current sensor. The one I have found has a square hole for the primary cable. This may sound stupid, but is there any problems putting a round cable in it?. There should not be a problem with hole size. the sensor i am thinking about is www.rsaustral
I am trying to measure the current use from a household outlet and and was looking at using either a hall effect sensor, or a toroid. I am however having difficulty understanding the datasheets. I cannot seem to find either formulae or any reference to expected output from either device. If anyone has expierence using such devices or an alternate m
hi search for hall effect ct. I try to upload my search for u.
Hi, I'm using a hall effect current sensor IC mounted in a current transformer to measure AC current via a micro. It is supposed to output an AC voltage proportional to the AC current sensed. This is all working fine, but i noticed something quite strange... The output waveform is exactly double the (...)
Hi, I'm looking at using a Honeywell LOHET 1 current sensor to measure currents up to 32A. As far as i can tell from the data available, it produces an output voltage that varies as the magnetic field varies within the gauss range... I am no where near up to scratch with my physics, and I'm a bit confused as to what this actually means. In s
One option is a current transformer .. see details at: This option is safe as it ensures full isolation between the AC line and the output of the current transformer .. Other options can be based on a standard shunt resistor, hall sensors and so on .. see table below .. In all opt
Would you pls share the advantages/disadvantages of both conventional watt-hour meter and modern digital watt-hour meter? Which one is more susceptible to external magnetic field? Say a hall-effect current sensor (e.g. ACS706 from Allegro Microsystem) is exposed to a magnetic field of 12000 G. Then, the magnetic field is removed. Do you think
Can you give a more information. 1. Range ok 1 ma - 20 A 2. Type, DC or AC 3. Accuracy, in % or mA 4. Method that is a acceptable, shunt, current transformer, hall sensor ... 5. If can use the shunt what is the maximum voltage over the resistor 6. You want only one sensor for diapason or can use several sensors
These devices only thwart very crude hobby level taps. Here is an idea for a tap that these will not detect. Power the device by another line. This defeats any of the DC line parameter detection schemes. Use a hall effect current detector to determine off hook conditions. Do not record or transmit the audio when on hook. Use a pas
the best solution is hall sensors, they are manufactured in 2 types: 1. open loop sensors: their accuracy is less (up to 5% non linearity error) but is cost effective 2. closed loop sensors: they are very accurate(better than 1%) but expensive both of them ar isolated sensors(up to 5000Volts) and also can detect dc currecnts (suitable for
I'm measuring an ac motor current via hall based sensor, at the same time via resistor to make a comparison. I filter the output of the sensor via low pass rc filter. I get good enough signal when rotor is locked and the waveform of the current is sinusoidal. But when motor rotates, sinusoidal form is get deformed and there are a lot of (...)
I don't know in India but I know there is a Belgian Company who makes it hall Sensors --> visit
You have several choices. 1. A series resistor. Measure the voltage drop across it. 2. A current transformer. 3. A hall effect sensor.
One accurate and isolated solution:
You have 2 choices here: 1. hall sensor (similar to this one: ) or 2. Simple shunt resistor to convert current into voltage and just measure voltage accross this resistor.. Regards, IanP
HI guys, I am not sure that this project is any good for you. This project shows how to measure DC current (in the car) using a cheap hall effect device and a ferrite