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SECURE Brand Multi-function Panel Meter Elite 500


High-Precision, Multiple Communication, TFT Display

The Elite 500 Multi-function Meter from SECURE is a state-of-the-art power monitoring solution, engineered to cater to a diverse range of applications. Whether used as a standalone device or integrated into Building Management Systems (BMS), process industrial controls, or SCADA systems, the Elite 500 stands out with its advanced functionalities. It boasts capabilities such as data logging, control IOs, and modular communication that supports multiple protocols for seamless third-party system integration.

Versatile Applications

  • Energy Transfer Measurement and Reconciliation: Ideal for tracking energy transfers in power plants, feeder monitoring, grid substations, and renewables.
  • Industrial and Commercial Premises: Suitable for online monitoring of energy exchange at various interface points.
  • Automation and System Integration: Perfect for process and factory automation, supporting retrofit applications up to 4000A using Rogowski coils.
  • Field Add-on Modules: Supports various applications with modules for Modbus, BACnet, Profinet, IEC 61850 protocol, analogue output, and control IOs.
  • Diverse Industries: Reliable for use in oil and gas, mining, hospitals, malls, data centres, and more.
  • Switchgear Compatibility: Compatible with LV, MV, and HV switchgear systems.

Key Features

  • TFT Colour Display: Displays vector diagrams, bar charts, and energy consumption comparisons (weekly/monthly).
  • Extensive Measurement Support: Measures 17 energy parameters, including net and absolute energy parameters.
  • High Resolution and Accuracy: Energy resolution up to 7+3-digit and instantaneous parameters up to 4+3-digit. High-resolution page for energy measurement with Class 0.2S / 0.5S accuracy.
  • Configurable Display: Customizable favourite parameter on the display page.
  • Time Synchronisation: Options through SNTP.
  • Power Quality Monitoring: Tracks individual harmonics, THD, sag, swell, voltage unbalance, and interruption counters.
  • Advanced Quality Indices: Includes total demand distortion (TDD) factors, waveform quality indices like K factor and crest factor.
  • Sequence Components: Measures positive, negative, and zero sequence components.
  • Flexible Tariff and Demand Support: Includes time-of-day tariff, maximum demand, DST (daylight saving time).
  • Comprehensive Alerts and Events: Alerts on configured parameters, with dual loggers for instantaneous and energy parameters.
  • Dual Socket Support: Ethernet TCP IP module supports simultaneous communication over Modbus.
  • Extensive Communication Protocols: Supports RS485 Modbus and chosen Ethernet protocols.


  • Cost-Effective Integration: Minimizes integration costs with hot-pluggable modular options for multiple communication ports.
  • Protocol Support: Compatible with multiple industry-standard protocols like MODBUS RTU / TCP, Profinet, BACnet, and IEC 61850 for integration with SCADA and other automation systems.
  • Field Replaceable Modules: Hot-pluggable communication, PIPO, alarm, and analogue output modules for easy field replacement.
  • Energy Efficiency and Certification: Supports energy efficiency measurements and LEED certification.
  • High-Resolution Display: Offers a large, high-resolution colour display for detailed analytical and graphical views.
  • Input Options: Flexibility to use conventional CT or Rogowski coil inputs directly connected to the meter without the need for additional integrators.

The Elite 500 Multi-function Meter is designed to deliver precise energy monitoring and comprehensive system integration capabilities, making it an indispensable tool for modern power management needs.

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Conventional Rogowski
Connection type LV 3P4W / HV 3P4W / 1CT 3PT / LV 3CT / HV 3P3W / 3CT 2PT / 2CT 2PT / 1P 2W
Measurement voltage range 35 V to 500 V (L-L) max, 20 V to 300 V (L-N) max
Measurement current range 10mA – 6 A (configurable) 5% Ipr -Ipr (Ipr -1000 A or 4000 A)
Starting current range 1mA 1 A for 1000 A / 4 A for 4000 A
Frequency 50 / 60 Hz
Burden Current circuit: < 0.2 VA/phase @ 1A & @ 5A
Voltage circuit: < 0.2 VA/phase
Sampling rate 156 samples / cycle / channel
Active energy Class 0.2S / class 0.5S Class 0.5S
Reactive energy Class 0.5S
Voltage, Current, Power 0.2% for measurement range
Frequency ±0.05 Hz
Power factor ±0.005 (0.5 lag to 0.5 lead)
Maximum withstand Voltage 2 times of nominal voltage value for 1 Sec repeated 10 times at 10 second interval
Maximum withstand current 1.2 times of Ib continuously
Short time over current 20 times Imax for 1 second
Overload (continuous) 1.5 times of Ib, Up to 7.5A (only measurement)
Standards IEC 62052-11, IEC 62053-22, IEC 62053-24, IEC61557-12, IEC 62053-31,

IEC 60529, IEC 61010-1, IEC 61010-2-030, IEC 61326-1, IS14697, CE, UKCA

IEC 61850-6, 7-1, 7-2, 7-3, 7-4, 8-1, (as per edition 1 and 2)
Ingress protection IP 54 (front fascia); IP20 (at terminals), IP 65 with gasket (Optional)
Insulation 3.5 kV RMS 50 Hz, 5 seconds
Impulse withstand 6.4 kV
Operating temperature -10°C to + 60°C
Storage temperature -25°C to + 70°C
Temperature coefficient 0.02% / °C 0.1% / °C
Mechanical dimension (H x W x D) 96 x 96 x 57.6 mm (± 0.5 mm), 96 x 96 x 111.5 mm (± 0.5 mm) with module
Weight 365 g 280 g
Software – Two data loggers (16 MB memory):
Primary data logger
Logging of up to 20 energy channels values, with integration
period 5, 15, 30 & 60 minutes
~12500 parameter-days capacity at 30-minute interval
Secondary data logger
Logging of up to 20 instantaneous values with integration period
1, 2, 5, 10, 15 & 30 minutes
~40000 parameter-days capacity at 30-minute interval
– Configurable parameters:
  • 8 time-of-use tariffs (TOU), 8 Seasons, 8 day types, DST dates, 6 billing history
  • Logging daily energy snapshots values up to 90 days
  • Alarms and event logging
  • Up to 31st individual harmonic component measurement
  • Up to 63rd total harmonic distortion (THD) measurement
  • K-factor, Crest Factor, TDD, sequence components
  • Power quality features including voltage sag, swell
Power supply Range: 48-300VDC / 85-300VAC
Burden Base product: <3W, < 6.5VA at 240V AC. With all modules: <6.5W, <16VA
Display TFT for graphical and analytics (3.5 inch)
Size: 53 x 70 mm (H x W), 320×240 pixels. Pixel size: 0.22 mm²
Battery Battery for RTC backup
Connector Ring type for current terminal, combicon for

voltage, Aux and modbus RTU

all are combicon
Inputs and Outputs 2 configurable pulse inputs / outputs, 1 fixed pulse output, 1 Alarm output
  • Pulse outputs:
            24-230V DC or 48-230 V AC @ 100mA
             Type: volt-free, pulse width: 20 – 300 ms (for 50Hz); 16 – 300 ms (for 60Hz)
  • Pulse Input: 24-60 V AC/DC @ 100mA
  • 3 Alarm output: Type: volt-free, 230 V AC/ 30V DC at 2 A
  • Analogue output (self-powered): 4 configurable AO, 0-20mA, 4-20mA
  • Indicator – 2 LEDs: one for metrology (red), one for alarms / events (amber)
RS485 port Protocol: Modbus RTU
Baud rate: 1200 – 38400 bps, parity- none, even, odd
Ethernet port Ethernet over RJ-45, 10 / 100 Mbit / s, SNTP time sync
Optional: Modbus TCP / IP, Modbus Gateway, BACnet IP, ProfiNET, IEC61850
Software support Configview (for configuration / reading), Optional eWatch 100 / eWatch Online
Time synchronization Through SNTP protocol /through pulse input