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Circuit for Hall effect sensor

by chudiandeyu
Tags: circuit, current, hall effect, measurement, sensor
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chudiandeyu
#1
Oct26-10, 07:39 AM
P: 7
Hello
I recently bought a linear Hall effect sensor for measuring current, but I don't know how to make the circuit to measure the current, could anybody help me with this? Please tell me the circuit.
By the way, I use the linear Hall effect sensor CSLA2EL by Honeywell.
Thank you very much!
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schip666!
#2
Oct26-10, 11:55 AM
P: 595
Wow, that's not easy...the first google link I got was labeled "datasheet" but I couldn't find any electrical connection information on it.

But I found a bunch of other datasheets here:
http://www.datasheets.org.uk/CSLA2EL-datasheet.html
and one has a pinout buried deeply in the noise. Now I forget which link I clicked and followed and interpreted, but you should be able to find it too...

It looks like they take a power supply of 8-16v and put out a voltage that is proportional to the current in the loop.
Bob S
#3
Oct26-10, 12:35 PM
P: 4,663
I think this is the datasheet for the Hall effect sensor in the unit. The calibration is in terms of the Gauss field in the toroid gap.

http://sccatalog.honeywell.com/pdbdo...s/91ss12-2.pdf

See attached pdf for some info on electrical characteristics of current sensor Hall effect holder toroid.

[added] The performance specs for the Hall effect sensor are for operating with a 12 volt dc input. I suggest using a 7812 3-pin regulator. The Hall effect sensor output is an ac output for an ac current input. The null output offset voltage for zero current input is 6 volts 0.6 volts. The output appears to be an npn transistor current-sourcing emitter.

Bob S
Attached Files
File Type: pdf Honeywell_p87914_1 (1).pdf (58.4 KB, 9 views)

Charlie Scott
#4
Aug24-12, 02:32 PM
P: 1
Circuit for Hall effect sensor

This pdf (CS Series Linear Current Sensor Holder Assemblies) is really useful.
Thanx bob,
http://www.halleffectsensor.org/
berkeman
#5
Aug24-12, 04:01 PM
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berkeman's Avatar
P: 40,649
Quote Quote by Charlie Scott View Post
This pdf (CS Series Linear Current Sensor Holder Assemblies) is really useful.
Thanx bob,
http://www.halleffectsensor.org/
This is almost a necropost spam post, but the link is actually pretty useful and on-topic for this old thread.


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