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CASR15-NP Arkusz danych(PDF) 4 Page - LEM |
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CASR15-NP Arkusz danych(HTML) 4 Page - LEM |
4 / 18 page Page 4/18 8March2012/version 7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice www.lem.com CASR series Electrical data CASR 15-NP At T A = 25°C, VC = + 5 V, NP = 1 turn, RL = 10 kΩ, internal reference, unless otherwise noted. Parameter Symbol Unit Min Typ Max Comment Primary nominal current rms I PN A 15 Primary current, measuring range I PM A -51 51 Number of primary turns N P - 1,2,3 Supply voltage V C V 4.75 5 5.25 Current consumption I C mA 15 + 20 + N S = 1731 turns Reference voltage @ I P = 0 A V REF V 2.495 2.5 2.505 Internal reference External reference voltage V REF V 0 4 Output voltage V OUT V 0.375 4.625 Output voltage @ I P = 0 A V OUT V V REF Electrical offset voltage V OE mV -2.21 2.21 100% tested V OUT - VREF Electrical offset current referred to primary I OE mA -53 53 100% tested Temperature coefficient of V REF TCV REF ppm/K ±5 ±50 Internal reference Temperature coefficient of V OUT @ I P = 0 A TCV OUT ppm/K ±2.3 ±6 ppm/K of 2.5 V - 40°C .. 85°C Theoretical sensitivity Gth mV/A 41.67 625 mV/ I PN Sensitivity error ε G % -0.7 0.7 100% tested Temperature coefficient of G TCG ppm/K ±40 - 40°C .. 85°C Linearity error ε L % of I PN -0.1 0.1 Magnetic offset current (10 x I PN) referred to primary I OM A -0.1 0.1 Output current noise (spectral density) rms 100 Hz .. 100 kHz referred to primary i no µA/Hz½ 20 R L = 1 kΩ Peak-peak output ripple at oscillator frequency f = 450 kHz (typ.) - mV 15 60 R L = 1 kΩ Reaction time @ 10 % of I PN t ra µs 0.3 R L = 1 kΩ di/dt = 44 A/µs Response time @ 90 % of I PN t r µs 0.3 R L = 1 kΩ di/dt = 44 A/µs Frequency bandwidth (± 1 dB) BW kHz 200 R L = 1 kΩ Frequency bandwidth (± 3 dB) BW kHz 300 R L = 1 kΩ Overall accuracy X G % of I PN 1.2 Overall accuracy @ T A = 85°C X G % of I PN 1.5 Accuracy X % of I PN 0.8 Accuracy @ T A = 85°C X % of I PN 1.2 I P (mA) N S I P (mA) N S |
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