6 TECHNICAL CHARACTERISTICS
Maximum dimensions (mm): instrument: 157,5 x 58 x 90
Power supply: from network 230 V 115 V +15% - 20% @ da 50/60 Hz (4 VA)
Display: LCD display dot matrix
Voltmeter inputs: 600V CAT. III (750V CAT. II), 35÷400 Hz
Voltmeter input impedance: 2 M
Voltage input overload : max 850 V phase-neutral
Current inputs: AL1, AL2, AL3, COM. Consumption 1 VA. external curr. transf required (see diagrams)
Measuring range: 0-120% nominal current
Sensitivity: current 20 mA ; voltage 10 V
Over current : withstand 50 amps for 1 sec.
Number of scales: 1 voltage scale, 2 current scales
Measurements: True R.M.S. up to25th harmonic = 1250Hz with fundamental @50 Hz
Sampling frequency: 2.5 kHz
Accuracy: < 0,5% for V, I and Power
Connection: Single phase or three phase star, three phase delta, or diphase systems
Weight : 0.6 Kg
Protection level: instrument IP20, front panel IP40
Temperature range: -10°C ÷ + 50°C
Relative humidity range: (R.H.): from 20% to 90%.
Condensation: non condensing
Relay output: 100VAC max, 120mA AC max
7 - RS485 SERIAL OUTPUT
Standard Rs485, max 32 instruments on each line without signal repeater, up to 247 instrument with signal repeater.