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EN50178 Datasheet(PDF) 1 Page - LEM |
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EN50178 Datasheet(HTML) 1 Page - LEM |
1 / 3 page LEM Components www.lem.com Page 1/3 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 050713/14 Current Transducer LTS 6-NP For the electronic measurement of currents : DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I PN Primary nominal r.m.s. current 6 At I P Primary current, measuring range 0 .. ± 19.2 At Î PDC Overload capability 250 At V OUT Analog output voltage @ I P 2.5 ± (0.625 ·I P/IPN) V I P = 0 2.5 1) V N S Number of secondary turns (± 0.1 %) 2000 R L Load resistance ≥ 2 k Ω R IM Internal measuring resistance (± 0.5 %) 208.33 Ω TCR IM Thermal drift of R IM < 50 ppm/K V C Supply voltage (± 5 %) 5 V I C Current consumption @ V C = 5 V Typ 28+I S 2) +(V OUT/RL) mA Accuracy - Dynamic performance data X Accuracy @ I PN , T A = 25°C ± 0.2 % Accuracy with R IM @ IPN , T A = 25°C ± 0.7 % ε L Linearity error < 0.1 % Typ Max TCV OUT Thermal drift of VOUT @ IP = 0 - 10°C .. + 85°C 80 200 ppm/K - 40°C .. - 10°C 250 ppm/K TC ε G Thermal drift of the gain - 40°C .. + 85°C 50 3) ppm/K V OM Residual voltage @ I P = 0,after an overload of 3 x IPN ± 0.5 mV 5 x I PN ± 2.0 mV 10 x I PN ± 2.0 mV t r a Reaction time @ 10 % of I PN < 100 ns t r Response time @ 90 % of I PN < 400 ns di/dt di/dt accurately followed > 15 A/µs f Frequency bandwidth (0 .. - 0.5 dB) DC .. 100 kHz (- 0.5 .. 1 dB) DC .. 200 kHz General data T A Ambient operating temperature - 40 .. + 85 °C T S Ambient storage temperature - 40 .. + 100 °C Insulating material group III a m Mass 10 g Standards 4) EN 50178 : 1997 IEC 60950-1 : 2001 Notes : 1) Absolute value @ T A = 25°C, 2.475 < V OUT < 2.525 2) Please see the operation principle on the other side 3) Only due to TCR IM 4) Specification according to IEC 61000-4-3 are not guaranteed between 95 and 110 MHz (value higher by 5% than the specification). Features • Closed loop (compensated) multi- range current transducer using the Hall effect • Unipolar voltage supply • Compact design for PCB mounting • Insulated plastic case recognized according to UL 94-V0 • Incorporated measuring resistance • Extended measuring range. Advantages • Excellent accuracy • Very good linearity • Very low temperature drift • Optimized response time • Wide frequency bandwidth • No insertion losses • High immunity to external interference • Current overload capability. Applications • AC variable speed drives and servo motor drives • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) • Switched Mode Power Supplies (SMPS) • Power supplies for welding applications. Application domain • Industrial. Copyright protected. I PN = 6 At Tope Co., Ltd. Tel: (02) 8228-0658 Fax: (02) 8228-0659 http://www.sensor.com.tw e-mail: tope@ms1.hinet.net |
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