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1 Replies and 2129 Views LEM - HTFS 800-P - CURRENT TRANSDUCER  2129  1 Started by  michael golub I need something like this one: http://www.farnell.com/datasheets/65377.pdf got anything like it
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by  Tony HodgesJump to last post
01/23/2012 2:13 PM
1 Replies and 2094 Views 5210-5 Output Measures 24 V  2094  1 Started by  scott carden I have 24 V supplied to 3 5210-5 transducers. When I measure the output of the transducer I get 24V. Can you help Thanks in advance.
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by  Tony HodgesJump to last post
12/06/2011 10:00 AM
1 Replies and 2254 Views Phase angle error  2254  1 Started by  arun T Hello Sir, I am Arun studying Bachelor of Engineering in India. For my project i have to calculate phase angle error for a CT. How to calculate phase angle error in theoretically for resistive burden (Non inductive). Example : 1:500 Turns ratio, 10A/0.02A, Burden = 50 ohms, DCR = 27 ohms. For this example how to calculate phase angle error for this CT. Pls help with formula...Advance thanks for ur help.
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by  dave forsytheJump to last post
11/14/2011 9:27 AM
1 Replies and 2074 Views CR8348-2000 - Ks sensitivity Value  2074  1 Started by  Marcus Vinicius Zanon Castelo Branco Dears, I am using the CR8348-2000 Current Sensor and and i need the Sensitivity Value &91;V/A&93;parameter. This parameter is part of a formula that is shown at table 3, on page 19 in attached. Thank you. Marcus p.s. can i calculate it by the formula in attached 'formula.jpg'
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by  Tony HodgesJump to last post
11/10/2011 9:16 AM
3 Replies and 2096 Views Question on CR 5395 current relay  2096  3 Started by  Jeff McIntosh I am looking at this current relay in the DC version to be used in a circuit to sense the current going to a 1/8hp 90 VDC permenant magnet motor. The current will be 2 amps or less and need to energize a panel lamp when the motor is running along with a future interlock to shut the system doen on a motor interruption. Will the CR 5395 do this
3 2096
by  Tony HodgesJump to last post
11/02/2011 11:27 AM
3 Replies and 2318 Views CR series current transformer bandwidth  2318  3 Started by  Matthew Beasley We are looking at an application where we would like to monitor the line frequency harmonics. The fundamental signal would be at 50Hz or 60Hz, but we are interested in the frequency response up to 3kHz. How much phase and amplitude error is there at 3kHz
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by  Tony HodgesJump to last post
10/21/2011 11:34 AM
1 Replies and 2381 Views 603 series details  2381  1 Started by  Evran Zihnioglu I am interested in 603 series split core transformer. I have some questions about the product; 1. What is the difference between 603 and 603D. 2. In the datasheet, it is mentioned that the product can work 50-400Hz frequency range. I will use this transformer where maximum frequency could be 430Hz theoratically. So I am wondering that What will be the attenuation level above 400Hz. Could I use this product in the specified frequency 3. In the datasheet of the product, ...
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by  Tony HodgesJump to last post
10/12/2011 11:25 AM
2 Replies and 2240 Views CRM 3000-50  2240  2 Started by  Gene Boren I am new to your product line,Question: Is the CRM 3000-50 a completely self contained unit for producing an Digital display of Current being produced or are other additional devices required such as a current sensing transformer
2 2240
by  Gene BorenJump to last post
10/03/2011 2:44 PM
1 Replies and 2333 Views Directional AC current measurement  2333  1 Started by  Andrew Foss We are measuring AC current to combination load/generators and want to read directionally up to 100Amps, which CT would be appropriate
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by  Tony HodgesJump to last post
09/22/2011 3:30 PM
3 Replies and 3217 Views CR8300 spec  3217  3 Started by  Thuan Truong Dear Technical, I'm looking for the Phase angle error or phase shift, ratio error, standard Accuracy class, and nominal linearity . Where can I get these info Thank you. Best regard, Thuan Truong.
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by  Tony HodgesJump to last post
09/13/2011 3:00 PM
1 Replies and 2706 Views DC Hall Effect Current Transducer frequency response  2706  1 Started by  Chris Penrose The product I am testing produces 24V switched (PWM) at 20kHz to supply 200A DC current into a 0.12ohm load in series with a 1mH inductor. The current is a 20kHz triangle wave. To calibrate this current I am currently using a 200A / 100mV shunt into a 6.5 digit DMM (mV). I would like to use the CR5210-300 however I am concerned about what it will do with the 20kHz component. (Ideally it will provide a accurate average current). Any ideas
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by  Tony HodgesJump to last post
08/10/2011 10:48 AM
1 Replies and 2677 Views Split Core Transducer Temperature Ratings  2677  1 Started by  Evran Zihnioglu What is the operating temperature limits of 603 and 610 series And also, because these transformers are split core, what is the mechanism to fix the core. I am planning to use them in a modest vibration so the one that has better mechanical integrity is the one that I looking for. Regards.
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by  Tony HodgesJump to last post
08/03/2011 9:29 AM
3 Replies and 2781 Views 200A CT - CR8459?  2781  3 Started by  Chuck Brodeur Need a revinue grade CT capable of measuring 200A with a hole size > .700'. Will the CR8459 work If so, what ratios are available Thanks.
3 2781
by  Tony HodgesJump to last post
07/25/2011 2:07 PM
1 Replies and 2638 Views Are CR3100s insulated or raw metal on the outside?  2638  1 Started by  Chris Shearer Cooper Are CR3100s insulated or raw metal on the outside I'm thinking to put a few of these inside my breaker box to monitor electrical consumption but need to plan for safety ...
1 2638
by  Tony HodgesJump to last post
07/11/2011 8:27 AM
1 Replies and 2640 Views C4411 info  2640  1 Started by  Jehan Machado Hi! I'd like to know some additional info I can't find in the C4411 datasheet. Is the informed accuracy related to the measure point or to the upper range limit What is the value of threshold Thank you!
1 2640
by  Tony HodgesJump to last post
07/05/2011 11:13 AM
1 Replies and 2968 Views CR4395 Max sensed current  2968  1 Started by  kirk kerekes Is there any issue with transient currents passing through the sensing coil significantly in excess of the nominal maximum current My application is managing inrush current on a large 240VAC transformer.
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by  Tony HodgesJump to last post
06/24/2011 10:59 AM
1 Replies and 2831 Views CR4395 on 50 Hz  2831  1 Started by  kirk kerekes Will the CR4395 function and be durable running on 50 Hz I recognize that the current threshold will probably be inaccurate, but that is not a concern. If it will work on 50 Hz, that would broaden your potential marketplace substantially.
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by  Tony HodgesJump to last post
06/24/2011 10:58 AM
1 Replies and 3237 Views CRD5170 How to calculate Power field for 3-phase  3237  1 Started by  Bud Wycoff Transducer Name: !04CRD5170-130-30 When requesting 'all data' from this DataStream transducer I receive the following data: >0.87500.50470.88110.50500.00000.00020.25430.15010.666759.973 From this data I calculate each field. Voltage1 = 130*0.8750 =113.75 Current1 = 30*0.5047 = 15.141 Voltage2 = 130*0.8811 =114.543 Current2 = 30*0.5050 = 15.15 Voltage3 = 130*0.0000 = 0.0000 Current3 = 30*0.0002 = 0.0006 Power = 30*130*0.2543 =991.77 When I calc watts ...
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by  Bud WycoffJump to last post
04/28/2011 12:27 PM
1 Replies and 3257 Views CR5210S-2-ND  3257  1 Started by  Gherson Florez What is the minimum value of DC current that can measure the Current Transducers CR5210S-2-ND Do you have a more specific data sheet for this reference Thanks, Gherson
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by  Tony HodgesJump to last post
04/01/2011 12:34 PM
1 Replies and 3307 Views CR4220 loop voltage  3307  1 Started by  Rene Huber The CR4200 devices specify a loop voltage of 24VDC. Would it be possible to operate this sensor at lower voltages, such as 12VDC. The load resistor is 75 ohm.
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by  Tony HodgesJump to last post
03/08/2011 8:08 AM
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