Total Harmonic Distortion (THD) Power Quality Analyzers and Monitors Datasheets

Meter of Power Network Parameters -- ND30
from Sifam Tinsley UK

The ND30 meter is a programmable digital instrument designed for the measurement of 1-phase 2-wire and 3-phase 3 and 4-wire power network parameters in balanced or unbalanced systems. The measured values are displayed on a 3.5? TFT full-colour screen, resolution: 320 (240 pixels). The meter enables... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Harmonics; Total Harmonic Distortion (THD); Power Factor
  • Voltage Range: 57 to 480
  • Phase: Single Phase; Three Phase
  • Current Range: 1 to 5
Compact Multifunction Instrument with Touch Screen LCD -- Alpha 50
from Tinsley Precision Instruments

Alpha 50 is a compact multifunction instrument with touch screen LCD utility which measures parameters in 3 phase and single phase Network & replaces the multiple. Alpha 50 measures important electrical parameters in 3 phase and single phase Network & replaces the multiple analog panel... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; Harmonics; Total Harmonic Distortion (THD); Power Factor
  • Electrical Parameters: AC Voltage; AC Current
  • Phase: Single Phase; Three Phase
PA900 Precision Multi-Channel Harmonic Power Analyzer
from Vitrek Corporation

Introducing the new Vitrek PA900 Precision Harmonic Power Analyzer, a refreshingly easy-to-use high performance power analyzer that won ’t break your budget. The PA900 delivers multi-channel, high-accuracy, wideband performance – to tackle the toughest energy measurement applications. [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Harmonics; Total Harmonic Distortion (THD); Power Factor
  • Number of Channels: 4
  • Phase: Single Phase (optional feature); Three Phase (optional feature)
  • Voltage Range: 0 to 1000
Digital Energy and Harmonics Analyzer -- STAR3
from Duncan Instruments Canada, Ltd.

Superior Performance. This high quality 96x96 panel energy analyser provides brilliant features at a price never reached before. The new bright red LCD display, the harmonic analysis , the wide set of measured parameters including the THD available in all the models, the multi-protocol capability of... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Harmonics; Total Harmonic Distortion (THD); Power Factor
  • Voltage Range: 0 to 750
  • Phase: Single Phase; Three Phase
  • Electrical Parameters: AC Voltage; AC Current; Frequency
Protection & Control -- PQMII Meter
from GE Digital Energy

The PQM II is an ideal choice when continuous monitoring of a three phase system is required. It provides metering for current, voltage, real and reactive power, energy use, cost of power, power factor and frequency. Programmable setpoints and 4 assignable output relays allow control functions to be... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Harmonics; Total Harmonic Distortion (THD)
  • Frequency Range: 20 to 70
  • Phase: Three Phase
  • Electrical Parameters: AC Voltage; AC Current; Frequency
On-Line Electric Motor Analyzer -- EMAX
from PdMA Corporation

The EMAX tester allows for proactive predictive maintenance without requiring a shutdown of the motors for access. The power and convenience of dynamic testing collects data without interrupting production processes. The EMAX can be used for process analysis with motor current signature analysis and... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Total Harmonic Distortion (THD); Power Factor
  • Number of Channels: 6
  • Phase: Three Phase
  • Voltage Range: 0 to 600
Clamp On Power Monitor -- CW240
from Yokogawa Corporation of America

Electric power analysis and power supply quality control in a single unit. Simultaneous measurment of loads in four systems(common to voltage). Wide measument range. Leakage current measument in four chanels. Wiring and Setting check function. A large amount of data can be saved. Analog input-output... [See More]

  • Power Quality Parameters: True RMS Voltage Measurement; True RMS Current Measurement; Harmonics; Total Harmonic Distortion (THD)
  • Number of Channels: 2 to 6
  • Phase: Single Phase; Three Phase
  • Voltage Range: 150 to 1000