Network analyzers (harmonic measurement 2-31, RS-485 communication, 2 relay outputs, 1 digital output)

The TPM-04SH is an advanced three-phase power analyzer designed for comprehensive monitoring of electrical systems. It allows for the real-time measurement and visualization of multiple electrical parameters, providing precise control over power consumption and quality.
This device is compatible with 3P4W (three-phase with neutral) systems and offers detailed measurements of voltage, current, active, reactive, and apparent power , as well as power factor and cosφ per phase. It also incorporates harmonic analysis up to the 31st order , allowing for the evaluation of power grid quality.
The TPM-04SH includes RS485 Modbus RTU communication, facilitating its integration into monitoring and automation systems. It also features configurable digital inputs and relay outputs , enabling control and protection functions based on electrical parameters.

Main features

• Multifunction three-phase power analyzer
• Compatible with 3P4W systems
• Measurement of voltage, current, frequency and power (P, Q, S)
• Calculation of power factor (PF) and cosφ per phase
• Active and reactive energy measurement (import/export)
• Voltage and current harmonic analysis up to the 31st order
• Record of minimum, maximum, and average values
• Energy demand measurement
• RS485 Modbus RTU Communication
• Configurable relay outputs
• Digital input (SH version only)
• Graphic LCD display with multiple parameters

Technical specifications

• Power supply: 85–240 V AC
• Frequency: 50/60 Hz
• Power consumption: < 10 VA
• Voltage measurement: up to 330 V AC (direct) / up to 330 kV (with transformer)
• Current measurement: up to 5.5 A (direct input) / up to 5,500 A (with CT)
• Precision:
  • Voltage/current: ±0.5%
  • Active energy: ±1%
  • Reactive energy: ±2%
• Relay outputs: 2 x 3A / 250V AC
• Digital input: 9–24 V DC
• Communication: RS485 Modbus RTU
• Protection: IP41 (front), IP20 (body)
• Mounting: Panel
• Display: Graphic LCD

Applications

• Energy monitoring in industrial facilities
• Three-phase electrical panels
• Network quality control (harmonics)
• Reactive power compensation systems
• Energy monitoring and management
• Integration into SCADA or BMS systems

The TPM-04SH is a complete solution for energy measurement and analysis, ideal for optimizing consumption, detecting network anomalies and improving efficiency in advanced electrical installations.