CKSR 6-NP LEM USA Inc, CKSR 6-NP Datasheet
CKSR 6-NP
Specifications of CKSR 6-NP
Related parts for CKSR 6-NP
CKSR 6-NP Summary of contents
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... CAS / CASR / CKSR series Current Transducers Insulated Highly Accurate Measurements from 1 RMS ...
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... This is the human nature and allows the progress of technology. With the LTS / LTSR current transducers using the Closed Loop Hall effect technology coupled with a dedicated ASIC (Application Specific Integrated Circuit) specially designed for these products, we thought we had reached the optimal performance, but this was without taking the eternal human nature into account ...
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... Loop sensitivity”. Given an equal electronic circuit, the zero output of a current transducer (traditionally called “offset” in analogy to operational amplifiers) will be less influenced by changes Fig. 1. Closed Loop Fluxgate Technology used for the CAS / CASR / CKSR current transducers Magnetic Core I P ...
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... Moreover, the same compact design is used to cover the complete current range from Transducers dimensions Fig. 2. CAS / CASR / CKSR smaller compared to the LTS / LTSR models 4 standard models ( and 50 A models) for in a very each series CAS, CASR and CKSR ...
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... ± ± ± Output voltage CASR 25-NP is used with internal reference. Fig. 4a. Different nominal current ranges possible according to the primary current circuit configuration (as example: CAS or CASR 25-NP) Variant 1 Variant 2 Expected for: Expected for (85 A max 8.33 A (28.33 A max) PN ...
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... PN 1 ± ± ± ± 1.5 * Output voltage CKSR 6-NP is used with internal reference. Fig. 5. Different nominal current ranges possible according to the primary current circuit configuration – CKSR 6-NP model as example allows nominal current measurement from 1 Ref IN/OUT Creepage secondary primary ...
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... Fig. 6: Differential current measurement ( – I2), many possibilities With that value, and PD2 and CTI of 600 V (group I), this leads to a possible rated insulation voltage of 800 V ...
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... The Ref pin has two basic functional modes: The first mode is called “Ref out mode”. In this mode, for a primary current the output voltage is equal to the 8 voltage at the Ref pin + an offset depending to the model to cover used (between the voltage output and the Ref pin). ...
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... Offset drift (25°C .. 85°C) (max) Sensitivity drift (25°C .. 85°C) (max) Linearity (max) Accuracy at +25 °C (max) Accuracy at +85 °C (max) Offset (max) Operating temperature range Nominal current Measuring range Response time Bandwidth (±1 dB) Output voltage noise, 100 Hz..10 kHz (typ.) Output ...
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... PN time, at Fig. 8. CASR 50-NP Response time to a current step Fig. 10a. Typical common mode behaviour (1200 V of voltage variation applied with /µs) Fig. 10b. CASR 50-NP ; Typical common mode behaviour ; V (1200 V of voltage variation applied with dV/ kV/µ ...
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... For example, a voltage change of 10 kV/µs in combination with coupling capacity generates a parasitic output current of 100 mA. For the CAS 25-NP for example, this would represent seven times the nominal current. Fig. 10a shows the behaviour at a voltage change of 20 kV/µs and an applied voltage of + 600 V (total voltage variation of 1200 V from – ...
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... The leakage current from the Ref pin (source) must be lower than 350 µA when the load is connected to a voltage > 2.5 V. • The leakage current from the Ref pin (sink) must be lower than 4.4 µA when the load is connected to a voltage < 2.5 V. ...
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The following graphs show how the measuring range of each transducer version depends on the external reference voltage value V : REF (V Upper limit -. 44.4 P REF REF (V Lower limit -.6 ...
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Primary conductor resistance At 25 °C, one primary conductor has a resistance of 0.72 mΩ typ °C, one primary conductor has a resistance of 0.88 mΩ typ. Number of primary Connection conductor ...
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... CKSR models for higher insulation • Measures the same given performance current as small as 1.5 A with the CKSR 6-NP model RMS • Resistant in rough environmental conditions of use such as high humidity combined with high temperature These advantages are suited for high performance drives, ...
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Absolute maximum ratings Parameter Supply voltage Primary conductor temperature ESD rating, Human Body Model (HBM) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods may degrade reliability. Isolation characteristics Parameter RMS voltage for ...
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... Electrical data CAS / CASR / CKSR 6- 25° turn kΩ, (internal reference for CASR & CKSR models) unless otherwise noted Parameter Primary nominal current rms Primary current, measuring range Number of primary turns Supply voltage Current consumption Reference voltage @ External reference voltage Output voltage ...
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... REF Temperature coefficient OUT P Theoretical sensitivity Sensitivity error Temperature coefficient of G Linearity error Magnetic offset current ( referred to primary Output current noise (spectral density) rms 100 Hz .. 100 kHz referred to primary Peak-peak output ripple at oscillator frequency f = 450 kHz (typ.) Reaction time @ Response time @ Frequency bandwidth (± ...
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... REF Temperature coefficient OUT P Theoretical sensitivity Sensitivity error Temperature coefficient of G Linearity error Magnetic offset current ( referred to primary Output current noise (spectral density) rms 100 Hz .. 100 kHz referred to primary Peak-peak output ripple at oscillator frequency f = 450 kHz (typ.) Reaction time @ Response time @ Frequency bandwidth (± ...
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... REF Temperature coefficient OUT P Theoretical sensitivity Sensitivity error Temperature coefficient of G Linearity error Magnetic offset current ( referred to primary Output current noise (spectral density) rms 100 Hz .. 100 kHz referred to primary Peak-peak output ripple at oscillator frequency f = 450 kHz (typ.) Reaction time @ Response time @ Frequency bandwidth (± ...
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PCB footprints CAS Series PCB footprint Pad design according to IPC 2222, IPC 2221 Dimensions in mm 0.034 inches Assembly on PCB Recommended PCB hole diameter 1.3 mm for primary pin 0.8 mm for secondary ...
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Dimensions (in mm. General linear tolerance ± 0.25 mm) CAS Series Connection Side view CASR Series Connection Side view CKSR Series Connection Side view 22 Bottom view Front view Bottom view Front view Bottom view Front view ...
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... We design and manufacture high quality and highly reliable products for our customers all over the world. We have delivered several million current and voltage transducers since 172 and most of them are still being used today for traction vehicles, industrial motor drives, UPS systems and many other applications requiring high quality standards. ...
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Austria Finland LEM Components ETRA Electronics Oy Am Concorde Park 2/F Lampputie 2 A-2320 Schwechat FI-00740 Helsinki Tel. +43 1 903 Tel. +358 207 65 160 Fax +43 1 903 Fax +358 207 65 ...