Description

Measured Parameters
• ED-711 | Transients up to ±8000 V with max. sampling frequency 10 MHz. Minimal transient time is 650 ns.
• Voltages L1, L2, L3, N, PE (five measurement inputs) – average, minimum, maximum and instant values within the range up to
1000 V, interoperability with voltage transducers.
• Currents L1, L2, L3, N (four measurement inputs) – average, minimum, maximum and instant values, current measurement
within the range up to 6 kA (depending on applied current clamp), interoperability with current transducers.
• Measurement of control signals up to 3000 Hz.
• Crest factors for current (CFI) and voltage (CFU).
• Frequency within the range of 40 Hz – 70 Hz.
• Active power (P), reactive power (Q), distortion power (D), apparent power (S) with identification of the nature of reactive power
(capacitive, inductive).
• Calculation of reactive power using the Budeanu method and IEEE 1459 method.
• Active energy (EP), reactive energy (EQ), apparent energy (ES).
• Power factor, cosφ, tanφ.
• K factor (transformer overload caused by the harmonics).
• Up to 50th harmonics for voltage and current.
• Interharmonics measured as groups.
• Total Harmonic Distortion (THD) for voltage and current.
• Short-term (PST) and long-term (PLT) flicker (IEC 61000-4-15 class A).
• Unbalance of voltage (IEC 61000-4-30 class A) and current.
• Current events detection including waveforms recording.
• Current and voltage events recording with waveforms (up to 1 s) and RMS1/2 graphs with 30 s maximum recording time.
• Current and voltage waveforms recording after each averaging period.

Wide range of mains to analyze
• With rated frequency 50/60 Hz
• With rated voltages: 64/110 V; 110/190 V; 115/200 V; 120/208 V;
127/220 V; 133/230 V; 220/380 V; 230/400 V; 240/415 V; 254/440 V;
265/460 V; 277/480 V; 290/500 V; 400/690 V; 480/830 V (for systems with
N conductor)
• Direct current
• Systems:
» single-phase
» split-phase with common N
» three-phase – WYE with and without N conductor
» three-phase – Delta
» three-phase – 2-element WYE without N conductor (Aron/Blondel)
» three-phase – 2-element Delta (Aron/Blondel)
» with current and voltage transducers