LM-3111 Class A, Single Phase Energy and Power Quality Meter Adapter Recorder
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LM-3111 Meter Adapter Recorder

Single Phase Energy and Power Quality Meter Adapter Recorder


  • IEC 61000-4-30 Class A certified
  • IEC 61000-4-15 Flicker certified
  • Record energy and power quality parameters
  • Safely record data at the meter
  • Analysis software included with SQL database support
  • Local communication via USB serial
  • Optional communication via LTE 4G cellular telemetry or Bluetooth 4.2
  • Automatic alarm notifications via SMS to your cell phone with cellular communication option
  • Portable three phase version available in rugged NEMA 4X weatherproof enclosure

The LM-3111 is a Form 2S/12S residential energy and power quality meter adapter recorder that simply plugs into a meter base to record more than 30 energy parameters along with harmonics, disturbance events, and flicker analysis. Captive internal CTs make installation and current measurement easy. The unit can be programmed to send real time cellular notifications when a measured condition exceeds user-defined thresholds. Data is stored in non-volatile flash memory or SD data card format so that no data is ever lost. No battery maintenance required to preserve recorded data.


The unit records more than 30 energy parameters including voltage, current, kW, kVAR, kVA, line frequency, true and displacement power factors, for each leg, total, and both the single-cycle minimum and maximum values for each user defined averaging interval. Time stamps can be Internet synchronized.
The LM-3111 is fully IEC 61000-4-30 Class A certified. Attributes recorded include voltage and current RMS magnitudes, watts, VARS, PF, frequency, dip and swell events, individual phase harmonics, interharmonics, total harmonic distortion and IEC 61000-4-15 flicker analysis. Easy-to-use software generates charts and reports in Excel format, eliminating software compatibility issues. CSV file export capability provides the user further flexibility for post processing and data analysis.
When in flickermeter mode, the LM-3111 samples and calculates Vrms values, implements the proper filtering and processing per IEC 61000-4-15 standards to provide the requisite Pst, Plt, and Pinst perceptibility parameters for each phase of the line. These parameters provide a standardized, well adopted measure of flicker to assist in troubleshooting customer complaints.
The LM-3111 software contains:
  • PowerScapeTM Software - Configuration and management of all recorders in the field; data is automatically retrieved remotely from designated sites via cellular data communication or locally via laptop serial USB connection or 32Gb SD memory card.
  • The SQL Database - User queries from within Excel are used to generate graphical and tabular data reports.
  • Excel Macros - Built-in user query dialogues for file-based data archives available from within Excel are used to generate graphical and tabular data reports. Charting and reporting routines including drag, zoom and panning features to simplify and enhance visual presentation of collected data.
  • The combination of a SQL database and Excel spreadsheet capabilities allows simple, well understood navigation of the data and provides simple data sharing among a wide rage of users.