Industrial analyzer PFA8C11-12 ZEPTO 96

voltageharmonicenergy

Overview
The ZEPTO 96 PFA8C11-12 is a 96×96 multimeter and energy analyzer for industrial electrical systems. It provides over 50 measured values including neutral current, THD for voltage and current, RMS up to the 31st harmonic, rolling and maximum demand, and both partial and total active/reactive energy. The unit features RS485 (Modbus), one digital input and two isolated digital outputs, and accepts 1-5 A CT input. Nominal supply 230-240 Vac. Accuracy: 0.5% for voltage and current, Class 1 for active energy and Class 2 for reactive energy (EN62053-21).

Main measured values and functions

• Over 50 readings including neutral current
• THD-I (total harmonic distortion of current) and THD-U (voltage)
• RMS measurement up to the 31st harmonic
• Rolling demand and maximum demand
• Partial and total active energy (Ea)
• Reactive energy (Er)

Communications and I/O

• RS485 serial port (Modbus protocol)
• 1 digital input
• 2 isolated digital outputs

Display and user interface

• 3 × 3-digit high-visibility LED displays

Technical specifications

• Product code: PFA8C11-12
• Model: ZEPTO 96
• Front dimensions: 96×96 mm
• Nominal supply voltage: 230-240 Vac
• Measurement systems: single-phase, 2-phase, balanced or unbalanced 3-phase (max. 500 V phase-to-phase)
• Wiring: 2, 3 & 4 wire
• CT input: 1-5 A
• RMS harmonic measurement: up to 31st harmonic
• Voltage and current accuracy: 0.5% on V and I
• Energy accuracy: Class 1 active, Class 2 reactive (EN62053-21)
• Displays: 3 × 3-digit LED
• Digital I/O: 1 DI / 2 DO (isolated)
• Communication: RS485 (Modbus)
• Operating temperature: -10 to +50 °C
• Maximum phase-to-phase voltage: 500 V