LEM APR200-B420L
AC Current transducer APR-B420L
FEATURES
● VFD and SCR waveforms current measurement● True RMS output
● Split core type
● Loop powered 4-20mA current output
● DIN mounting & Panel mounting
● Eliminates insertion loss
● Switch selectable ranges APR 50 B420L APR 100 B420L APR 200 B420L APR 400 B420L < 350 +24 5 < 25 Ω V DC kV mA Load resistance Supply voltage (loop powered) R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn Limitation of output current Advantages
● Large aperture for cable up to Ø18mm
● High isolation between primary and Accuracy-Dynamic performance data secondary circuits
● Easy to mount < ±1 % of IPN < ±0.5 % of IPN 4 mA ±1 µA/K ±0.1 %/K < 1000 ms 10 .. 6000 Hz ε X L IOE IOT TC ε G tr f Accuracy @ IPN, TA = 25°C (without offset) Linearity (0 .. ± IPN) Electrical offset current, TA = 25°C Thermal drift of IOE Thermal drift of the gain (% of reading) Response time @ 90% of IP Frequency bandwidth (-3 dB)
APPLICATIONS
● VFD Controlled Loads: VFD output indicates how the motor and attached load are operating.