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CIN NO. U31904MH1991PTC060890
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AMMETER / VOLMETER - 1PH & 3PH - Alpha Series
Alpha Plus / Micro Alpha Plus Series TRUE RMS measurement with Reliability, Service life & Quality assurance are the attributes of meters in this series. Models Available : * 3 phase Combined Volts,Amps,Frequency Meter. * Ammeter (Single phase / 3 phase with inbuilt selectors switch) * Voltmeter (Single phase / 3 phase with inbuilt selectors switch) * RPM Meter * MPM Meter (0 to 20mA or 4-20mA input) * DC Voltmeter (12V,24V,50V,100V,300V, 600V input) * DC Ammeter (75mV,0 to 20mA, 4 to 20mA,0 to 1V, 0 to10V, 0 to 20V input input)
  • Microcontroller based with four digit resolution.
  • Single phase / Star / Delta Wiring type programmable.
  • DC auxiliary of 20 to 50V available.
  • Current Secondary /1A to /6A (Default /5A)
  • Average and phase-wise information in three phase meters.
  • Current primary up to 99kAmps & Voltage primary up to 999kVolts.
  • Terminal block suitable for Fork type lugs, for better contact.
  • "Manual” / “Auto Scrolling” for 3phase meters.
 
TECHNICAL SPECIFICATION :
  • Accuracy : Class 1 (Default) IEC 61036, CBIP 88, Class 0.5 (Option).
  • Sensing/Measurement : True RMS, 1 Sec update time
  • Input voltage : 4 Voltage inputs (VR, VY, VB, VN); Programmable 110 or 415V LL Nominal (Range 80 to 550V LL), Primary Programmable up to 999 kV, Burden: 0.2VA Max. per phase.
  • Input current : Current inputs (AR, AY, AB) 50mA- 6A (Field Programmable 1A or 5A), Primary Programmable up to 99 kA.Overload : 10A max continous, 50A max for 3 sec, Burden : 0.2VA Max. per phase
  • Aux Supply : (Control Power) 80 - 300V AC, 40-70Hz (40V-300V DC Optional), Burden : 4VA Max
  • Display : 4 digits display with 14mm height for Alpha Plus, 10mm height for OMEGA series, micro Alpha Plus series and DinRail
  • Communication : RS485 serail channel connection, Industry standard Modbus RTU protocol (RS232 optional), Baud rate: 2400 bps to 19200 bps. (Preferred 9600 bps), Isolation : 2000 volts AC isolation for 1 minute between communication and other circuits.
  • Weight : Unpacked: 300 gms, Packed: 400 gms
  • Mechanical Specification : Dimension Bezel: 96 × 96 mm (Depth 50mm behind bezel), 96 × 48 mm (Depth 45mm behind bezel).