Demand Controllers & Data Loggers

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Xpert Lite

  • Compact 96 X 96 X 55 mm
  • Graphical Display 128 X 64
  • Accuracy: Class 1.0 & Class 0.5 (Optional)
  • Odd Harmonics up to 15th of individual Voltage and Current waveforms including THD
  • RS485 port for Communication EMS/ PLC/ SCADA (Optional)
  • Dual Source Measurement (Optional)
  • Two Relays - individually programmable for Alarm/ Trip (Optional)
  • Histogram & Tabular display of Harmonic content
  • Wave shape display for all voltages & currents
Specification
Type Name Statistics
Input Supply Three Phases and Neutral of a 3P4W system / ThreePhases of a 3P3W system
Voltage Direct Voltage Input : 25 to 500V L-L, 20 to 300V L-N
PT Ratio : Site Selectable
Burden : 0.5VA
Current Secondary Current Input : 5A or 1A (Site Selectable)
CT Ratio : Site Selectable
Range of Reading : 5 – 5000A
Burden : < 1.0VA
Overload : 5A CT = 6A RMS Continuous
1A CT — 1.2A RMS Continuous
PowerSupply Auxiliary Supply : 80 - 480 VAC, 50-60 Hz.
 
Output Relay Two. Individually Field Programmable.5A @ 250 VAC, Resistive Load
MEASUREMENT True RMSBasicParameters Voltage(Volts L-N & L-L) VL-N - Accuracy : 0.5% of ReadingVL-L - Accuracy : 1.0% of Reading
Current(Amps IR, IY, IB) Accuracy : 0.25% of Reading
Line Frequency 45 to 55 Hz, Accuracy : 0.3% of Reading
Power Active Power (P) Accuracy : 1% of Reading(For IPFI>0.5)
Reactive Power (Q) Accuracy : 1.5% of Reading(Between 0.5 Lag to 0.8 Lead)
Apparent Power (S) Accuracy : 1% of Reading
Power Factor For Individual phases and System
Accuracy : 1.0% of Reading (IPFI=0.5)
Range of Reading : 0.05 to 1.00 Lag/Lead
Energy Total Active Energy (KWh) Range of Reading : 0 to 9999999.9
Accuracy : class 1.0S
Total Apparent Energy (KVAh) Range of Reading : 0 to 9999999.9
Accuracy : 1.0% of Reading
Total Apparent Energy (KVARh) Range of Reading : 0 to 9999999.9
Accuracy : 1.5% of Reading
PowerQuality Individual Wave form for each voltage and current
THD for each current and voltage in three phases
MISC. Dimensions Bezel 96 X 96 mm
Panel Cutout 90 X 90 mm
Depth of installation 55 mm
Display 128X64 LCD
Operating temp 10°C to 50°C
Weight 0.35 Kgs (Approx.)
Min. Operating Current 0.4% to 120% of CT primary
Comm RS485 Modbus-RTU protocol
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Xpert Pro

  • Compact 96 X 96 X 55 mm
  • Graphical Display 128 X 64
  • Accuracy: Class 1.0 & Class 0.5 (Optional)
  • Odd Harmonics up to 15th of individual Voltage and Current waveforms including THD
  • RS485 port for Communication EMS/ PLC/ SCADA (Optional)
  • Dual Source Measurement (Optional)
  • Two Relays - individually programmable for Alarm/ Trip (Optional)
  • Histogram & Tabular display of Harmonic content
  • Wave shape display for all voltages & currents
Specification
Type Name Statistics
Input Supply Three Phases and Neutral of a 3P4W system / ThreePhases of a 3P3W system
Voltage Direct Voltage Input : 25 to 500V L-L, 20 to 300V L-N
PT Ratio : Site Selectable
Burden : 0.5VA
Current Secondary Current Input : 5A or 1A (Site Selectable)
CT Ratio : Site Selectable
Range of Reading : 5 – 5000A
Burden : < 1.0VA
Overload : 5A CT = 6A RMS Continuous
1A CT — 1.2A RMS Continuous
PowerSupply Auxiliary Supply : 80 - 480 VAC, 50-60 Hz.
 
Output Relay Two. Individually Field Programmable.5A @ 250 VAC, Resistive Load
MEASUREMENT True RMSBasicParameters Voltage(Volts L-N & L-L) VL-N - Accuracy : 0.5% of ReadingVL-L - Accuracy : 1.0% of Reading
Current(Amps IR, IY, IB) Accuracy : 0.25% of Reading
Line Frequency 45 to 55 Hz, Accuracy : 0.3% of Reading
Power Active Power (P) Accuracy : 1% of Reading(For IPFI>0.5)
Reactive Power (Q) Accuracy : 1.5% of Reading(Between 0.5 Lag to 0.8 Lead)
Apparent Power (S) Accuracy : 1% of Reading
Power Factor For Individual phases and System
Accuracy : 1.0% of Reading (IPFI=0.5)
Range of Reading : 0.05 to 1.00 Lag/Lead
Energy Total Active Energy (KWh) Range of Reading : 0 to 9999999.9
Accuracy : class 1.0S
Total Apparent Energy (KVAh) Range of Reading : 0 to 9999999.9
Accuracy : 1.0% of Reading
Total Apparent Energy (KVARh) Range of Reading : 0 to 9999999.9
Accuracy : 1.5% of Reading
PowerQuality Individual Wave form for each voltage and current
THD for each current and voltage in three phases
MISC. Dimensions Bezel 96 X 96 mm
Panel Cutout 90 X 90 mm
Depth of installation 55 mm
Display 128X64 LCD
Operating temp 10°C to 50°C
Weight 0.35 Kgs (Approx.)
Min. Operating Current 0.4% to 120% of CT primary
Comm RS485 Modbus-RTU protocol
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Xpert Plus

  • Class 0.5s accuracy for Active energy as per the IS14697.
  • Graphical Display 128x64.
  • Compact 96 X 96 DIN Enclosure.
  • Computed Neutral Current.
  • Measurement of all three types of Power Factors – True, Displacement and Distortion.
  • Harmonic measurement: All six waveforms up to 30th order, even and odd, including THD
  • Histogram and Tabular display of Harmonic content.
  • Wave shape display for all voltage and currents.
  • Two Relays-individually programmable for Alarm/Trip.
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Goblin Plus

  • 480 x 272 (RGB) smart colour TFT display (Touch)
  • Accuracy Class 0.5 (as per IS14697)
  • Four Relay contacts, individually field programmable for alarm parameter
  • RS485 MODBUS-RTU Connectivity
  • On board 16 MB of non-volatile memory for data logging design.
  • Phase Wise Distortion and Displacement PF
  • Demand Measurement: Fixed or Sliding for KW, KVA, KVAR and IAVG
  • Individual Harmonics up to 30th for voltage and current with THD
  • Measures Neutral current
  • Interruption Date and Time for 180 Events
  • Sag and Swell Value, Date and Time for 180 Events
  • Min – Max Data with Date and Time
  • USB port for downloading data (Device Mode). Directly accepts pen-drive to transfer logged data (Host mode)
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