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1 Replies and 147 Views DC Current Transducer transient protection  147  1 Started by  Joel Huang I am looking at the CR5200 Series datasheet and I cannot find any information on the voltage transient tolerated in the input current line. We currently use the 936 Series from AAC which specifies 500V/uS voltage tolerance. Is there a spec for the CR5200 Thank you.
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by  Tony HodgesJump to last post
04/06/2018 12:37 PM
3 Replies and 1119 Views Need Sump Pump Alarm  1119  3 Started by  Eric Corder Hello, I need an audio (preferred)/ visual current indicator from a sump pump in the basement. i would like to monitor it from upstairs. Help
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by  ALBERT BILLJump to last post
02/12/2018 1:23 AM
1 Replies and 351 Views CRD5110-300-5-M Modbus RTU  351  1 Started by  phil hughes Anybody familiar with the Modbus commands to retrieve Data (power/amps/pf) from a CRD5110-300-5-M. We have a Allen Bradley PLC Micrologix 1100.
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by  Tony HodgesJump to last post
11/08/2017 12:34 PM
2 Replies and 494 Views CR5310-200  494  2 Started by  Stephanie Girard How will this transducer behave if there is some current ripple The temperature rating is 50C. What is the maximum temperature this transducer will continue operating at
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by  Stephanie GirardJump to last post
07/21/2017 4:34 PM
1 Replies and 554 Views I need spice parameter of CT3111-3000 for simulation of CT saturation effect  554  1 Started by  YoungSik Kim Are there any spice models available for the CR3110-3000 current transformers I want to model the saturation of transformer, so I needs spice parameter such as Hc(Coercive force), Bs(Remnant flux density), Br(Remnant flux density), A(Cross sectional area), Lm(Magnetic Length,Mean Path Length), Lg(Length of gap). N(Number of turns) thank you ref. site : http://ltwiki.org/LTspiceHelp/LTspiceHelp/L_Inductor.htm http://www.ijraset.com/fileserve.phpFID=7817
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by  Tony HodgesJump to last post
06/14/2017 10:17 AM
1 Replies and 697 Views CR5210-5  697  1 Started by  Emma Liu The input range is 0-5ADC and output range is 0-5VDC, but I can get the output to go up to 14.15VDC and saturated after this. Is this normal
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by  Tony HodgesJump to last post
05/24/2017 1:47 PM
1 Replies and 841 Views CR8350-2000-F step response  841  1 Started by  David Gustavson I am considering using a CR8350-2000-F in a switching power supply. The spec sheet says frequency response to 200KHz. I need to know how the current transformer would respond to a 0 to 100 amp step in current. What would be the delay and rise time of the output signal Ideally a graph similar to what is on opamp datasheets would be great. Thanks, Dave Gustavson
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by  Tony HodgesJump to last post
03/21/2016 1:53 PM
1 Replies and 979 Views CR9580 Questions  979  1 Started by  Matt Mendenhall Question 1: I designed your CR9580-10-M into my system without realizing the product has such a long lead time for delivery, and I am still waiting on my first unit delivery to test and validate almost one month after I ordered it. The non-mounting case version CR9580-10 has a much shorter lead time. Does this part have just a smooth bottom, DIN rail, or How do people mount these Question 2: I plan to use the CR9580 with the output connected via an addressable switch that is connecte...
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by  Tony HodgesJump to last post
08/17/2015 5:11 PM
0 Replies and 970 Views Sensors for TDD,THD,PF  970  0 Started by  sufyaan AbdulHaseeb Hello, I would like to seek assistance in selecting appropriate sensors for a facility monitoring project. The requirements call for monitoring of AC and DC Voltage and Current of various equipment at 99.5 accuracy. I understand that Instantaneous voltage and current sensors would be required. If someone can guide me to the right product page, i can select one that meets site requirements. Thanks.
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02/26/2015 12:23 PM
0 Replies and 1933 Views CR5220-300  1933  0 Started by  Gabriel Isrrael Please, for part number CR5220S-300-12V we need the complete relation graph between input current and output current for input current range from -400A to 400A. Thank you!
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02/20/2015 7:15 PM
0 Replies and 986 Views CR4395 For Open Heater Application  986  0 Started by  Jim McKelvey I am interested in using the CR4395 for determining failure of a heating element in a railroad signaling environment. I have read through the relevant application document and still have a question about the operation of the output function (I am currently basing my design on use of a relay output). In my design, a PLC (installed in an instrument house in the field) receives a call for heat from a central office and in response energizes an output which turns on a heater control case (located...
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02/16/2015 5:28 PM
1 Replies and 1040 Views part information  1040  1 Started by  Shane O'Neill Hi,I am from Ireland and need a bit of information, We work on 230v ac system,I am looking for a current relay that will switch 230v ac 1 to 2 amps when 10amps or more passes throught the relay, or some thing similar.Could you please recommend 1 of your products that will handle this setup.As i will hopefully be ordering plent, regards shane
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by  Tony HodgesJump to last post
01/20/2015 2:30 PM
1 Replies and 1063 Views CR9580 - Signal Out (Volts)  1063  1 Started by  Will Charlton On the datasheet for the CR9580-&91;10,20,50&93; Current Sensor, there are two values for the Voltage on the Signal Out. - Signal Out: 0 -5 VDC - Max. Signal Out: 12VDC Is the maximum 5 or 12 V I understand that we're talking about RMS values, but I'd like to understand under which conditions would I see a 12VDC value on the output of this device. Datasheet: http://www.crmagnetics.com/Products/Assets/ProductPDFs/CR950020Series.pdf
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by  Tony HodgesJump to last post
01/06/2015 10:53 AM
1 Replies and 1208 Views CR9321-NPN current switch issue  1208  1 Started by  Jonathan Barry Hi, I have a monitoring system on my home that uses the CR9321-NPN current switch to let me know how much energy I am using in a number of areas. In this case my hot water tank is reading as if the current is constantly on (when I know it isn't). Please see the website here for my home system and the hot water tank reading at 3.5kW constant. http://welserver.com/WEL0304/ In this system I am using a monitoring device called a WEL (Web Energy Logger). It is a great little device and ...
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by  Tony HodgesJump to last post
10/22/2014 3:29 PM
3 Replies and 4310 Views CR5210-2 overcurrent questions  4310  3 Started by  first last Greetings, I have two small servo motors that I’m attempting to monitor current draw at the operators station with inexpensive panel meters. The average current draw is around 400mA with peaks in the 1.25A region, but in an overload/binding situation, the motor/drive briefly spike to approx 8A before faulting out, destroying the ammeter(s). Will the CR5210-2 tolerate overcurrent conditions with no ill effects to the transducer, and/or whatever is connected to the transducers output ...
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by  Tony HodgesJump to last post
08/08/2014 9:23 AM
1 Replies and 1196 Views CR3110 with 5ADC to 75ADC  1196  1 Started by  Bret Beringer I need to be able to detect the presence (not level) of DC current over a range of 5A to 75A with surges of up to 300A. I am having trouble finding a burden resistor that will allow enough voltage to detect the low range and stay under the Vmax rating of the part. The max is an RMS value, so how does this play in for DC Any other suggestions are welcome.
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by  Tony HodgesJump to last post
07/22/2014 2:53 PM
3 Replies and 1453 Views CR5210-100 Bidirectional IO  1453  3 Started by  Kyle Fodchuk I'm spec'ing the CR5210-100 to monitor battery bank charging and discharging. Does the 10V output indicate 100A and -10V output indicate -100A
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by  Tony HodgesJump to last post
07/17/2014 12:03 PM
3 Replies and 1218 Views CR6620-60-500  1218  3 Started by  Ryan Blackmon This transducer is being used in an application to monitor a typically 60 Hz frequency. Where can I find instructions to properly calibrate this transducer Have you heard of this transducer having an issue with drifting
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by  Tony HodgesJump to last post
07/17/2014 12:01 PM
0 Replies and 1179 Views CR8320-1600  1179  0 Started by  Horacio Estabridis Hello, I just like to know the parameters tolerances for this part Thanks
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07/09/2014 10:14 AM
0 Replies and 1195 Views Maximum Input Current  1195  0 Started by  Kristin Chew Hi, May i know what is the maximum input current for CR4850-500 Will it get burnt if i connect my aircond of 4A as a load for example Thanks Regards, Kristin
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07/07/2014 9:07 AM
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