R.S. Engineering Corp
Indira Nagar, Lucknow, Uttar Pradesh
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Energy Management Service

Offering you a complete choice of products which include pro q-100 power quantity features and three-phase, dual-register, switched electricity meter.

Pro Q-100 Power Quantity Features

Pro Q-100 Power Quantity Features
  • Pro Q-100 Power Quantity Features
  • Pro Q-100 Power Quantity Features
  • Pro Q-100 Power Quantity Features
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Approx. Price: Rs 3.75 Lakh / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
Model Name/NumberProQ 100
Voltage240 V
Version Of CommunicationOptical Port For Local Communication
CurrentUpto 10 A
Country of OriginMade in India
Harmonics and inter-harmonicsUp to 50th Order
PQ measurements certifiedIEC 61000-4-30
Power quality eventsLogging For Sag, Swell, Interruption And Rapid Voltage Change
Distortion factorsTHD, TDD And Waveform Quality Indices
Unbalance includingPositive, Negative and Zero Sequence Measurements

  • PQ measurements certified to IEC 61000-4-30 class A and instrument to IEC 62586-2
  • Power quality events logging for sag, swell, interruption and rapid voltage change 
  • Harmonics and inter-harmonics up to 50th order
  • Distortion factors THD, TDD and waveform quality indices 
  • e.g. K factor and crest factor
  • Unbalance including positive, negative and zero sequence measurements
  • Comprehensive logging of instantaneous, energy and power quality parameters (dual loggers)
  • Voltage and current recording for pre and post event analysis with RMS value (half-cycle) capture
  • Built-in web server to access real-time values and powerful analytical capability through ProQ View.


  • High precision revenue metering
  • Contracts requiring compliance with latest power quality standards e.g. IEC 61000-4-30 Class A 
  • Installations requiring compliance verification with voltage supply standards, e.g. EN 50160
  • Harmonic analysis for power quality problems.
  • Integrated power quality monitoring and analysis solution for utility supply and industrial networks
  • Providing metering and power quality (PQ) data to substation and industrial automation systems.


  • Accurate measurements for energy contracts 
  • Power quality measurements in accordance with latest standards
  • Multiple industry standard communications ports 
  • Multiple protocols for integration with SCADA and other automation systems (e.g. IEC 61850)
  • Easy retrofit for all rack-mounting meters
  • Large, high-resolution graphical display with intuitive interface 
  • Comprehensive power quality monitoring and analytics, using ProQ View® software (supplied).

Advance Features:

  • 1 Gb/s fibre/copper for high-speed data exchange between meter and system
  • DLMS (serial and TCP), Modbus (RTU and TCP), with optional IEC 61850 protocol support
  • Optical port for IEC1107 and ANSI C12.18 communications
  • Simultaneous communication on all ports, including multiple sessions on ethernet
  • Independent pulse input and output for integration with other devices/systems
  • Time synchronization options through SNTP. 
  • Large intuitive colour graphical display for real-time data viewing, vector diagrams, waveforms, harmonic spectrum analysis and configuration settings
  • Two LEDs for status/event indication.
  • Auto SMS and email notification for events and reporting, via external modem.

Some Other Features:

  • High precision revenue metering.
  • Power quality monitoring and analytics.
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Three-Phase, Dual-Register, Switched Electricity Meter

Three-Phase, Dual-Register, Switched Electricity Meter
  • Three-Phase, Dual-Register, Switched Electricity Meter
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Approx. Price: Rs 6,000 / PieceGet Latest Price
Product Brochure

Product Details:

Model Name/NumberLiberty 370
Voltage240/230 V (L-N)
Version Of CommunicationBLE comms enable remote access
Current10-100 A
Weight~ 1.5 kg, ~ 1.64 kg
Operating Temperature-10 DegreeC to +60 DegreeC
Country of OriginMade in India

Liberty 370 is an intelligent, three-phase switched electricity meter that provides information of both mains and DG electricity consumption separately, which makes it an ideal sub-metering solution. It uses a unique and innovative technique to detect the supply source, without employing any wiring and additional hardware. It is developed on a highly reliable and secure metering platform which follows the international ISO 27001 standard. Liberty 370 has a dual-mode capability, pay-as-you-go and accounting mode.
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Vivek Tiwari (Owner)
R.S. Engineering Corp
C-1359/2, RSM Nagar, Indira Nagar
Lucknow - 226016, Uttar Pradesh, India
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