Class A, Single Phase Power Quality / Flicker Recorder

LM-5500 Series PowerNode™ Recorder / Analyzer

Energy and Power Quality Analyzer/Recorders

  • Three phase energy, power quality, and flicker monitoring/recording
  • Demand tracking with load control capability
  • Records harmonics and sag/swell events
  • Dynamic waveform capture
  • Cellular CDMA or GSM data modem communications
  • Automatic remote alarm notifications 
  • MODBUS RTU open communication protocol
  • High accuracy via SmartCT™ technology
  • Weatherproof enclosure: IP65 and NEMA4X
  • SQL database and analysis software included
  • 18 month Warranty
  • CE certified

The LM-5510 PowerNode Energy Analyzer/Recorder

Provides 600VAC energy monitoring, recording, and demand tracking capability with remote alarm exceedance notifications. The instrument records four voltage and four current channels simultaneously, detecting over 30 power parameters including kW, kVAR, kVA, true and displacement power factors and line frequency. The fourth voltage and current channels can be used to record neutral-ground voltage and neutral or ground currents. Recorded data is stored in non-volatile flash memory and transferred to the SQL database via cellular data modem. Real-time readings and recorder firmware updates or configuration changes can be accomplished over the air, reducing the number of on-site visits. Local RS-485 or optional Bluetooth serial communication is also available for on-site set-up, operational verification or configuration/firmware updates.  

The LM-5515

Includes Power Quality Analysis features including real time and trended harmonic data, sag/swell events, and flicker meter analysis per IEC 61000-4-15 standards. 

The LM-5520

Adds automatic user-programmable load control features, KYZ relay outputs and local alarm annunciators for demand side management (DSM) in addition to energy and power quality analysis features. 

The LM-5515 and LM-5520 calculate single cycle RMS voltage and current while saving time-stamped event data if beyond user-specified limits, thus, swell and sag data is available for every event with one cycle resolution.  Minimum, maximum, and average RMS values are stored for every storage interval.  
The LM-5515 and LM-5420 provide waveform capture (on event or time trigger), and harmonic recording.  Dynamically recorded waveform captures include two pre-trigger and six post-trigger cycles.  Voltage and current harmonic recording is accomplished with a sample rate of 128 samples/cycle and harmonics through the 25th are recorded for trending and analysis. 
Twelve conditions or thresholds can be programmed to trigger automatic text messaging to a programmable array of cell phone users for information or additional user action. The same triggers can be used to activate relay outputs to local enunciators or load control contactors.  (Remote communication option required.) 
The LM-5400 series use SmartCT™ technology. Calibration data is stored in the CT for high end-to-end accuracy. Dual range, self-powered flexible CT's and split core CT's are also available.
The LM-5500 series software contains:
  • PowerScape Software - for management of all recorders in the field; data is automatically retrieved from designated sites via cellular data communications.
  • The SQL Database - user queries from within Excel are used to generate graphical and tabular data reports.
  • Excel Macros - charting / reporting routines including zooming and panning features to simplify and enhance visual presentation of collected data.
  • The combination of an SQL database and Excel spreadsheet data allows simple, well-understood navigation of the data and facilitates simple data sharing among a wide range of users on this open platform.