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AVR Electronics Private Limited

Ganga Nagar, Bengaluru, Karnataka

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Transducers

Measuring Transducers

Measuring transducers are instruments used for conversion of electrical quantities in single and three phase electrical systems. Input-output characteristics can be created with five breaking points for unipolar and bipolar output signals. They can be used in places where you need analogue output quantities as input into another device. They are able to do permanent analysis of electricity supply quality in compliance with the SIST EN 50160 standard. Records can be stored in the internal memory for the period of the last three years. Except for »classical« analogue outputs, our measuring transducers can also provide you with tariff, alarm and pulse outputs for monitoring different tariffs or as PLC inputs. Together they can have up to four outputs. They can have also tariff inputs. Communication, outputs and auxiliary power supply are electrically insulated from other system. Transducers can be programmed via serial port. Data used for system analyses can be send to a PC. They can measure single or multiple electrical parameters. Their input can be AC or DC. Our transducers are the answer for practically your every need.

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Measuring Transducers
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Digital technology, on which measuring transducers are built, enables them, with corresponding software, to adapt to different input and output quantities. Input quantities, for energy measuring transducers, of phase voltage can be set within the range from 50 to 500 V and currents from 0.2 to 5 A. Values of analogue outputs can also be set within the range from 1 to 20 mA for current and from 1 to 10 V for voltage. Input-output characteristics can be created with five breaking spots for unipolar and bipolar output signals. The accuracy class of measuring transducers is 0.5, except for frequency, where accuracy class is 0.2.
The above stated versions of measuring transducers can be provided with the RS232 or RS485 communication for connection to the network. The MODBUS communication protocol is used with bit rate from 1,200 to 115,200 bit/s. A measuring transducer with three electrically isolated bipolar analogue outputs (MI400) is the most capable version. Outputs can be software adapted to any measured quantity (voltage, current, power, power factor, frequency) for a phase or for a complete system value. The transducer is supplied with a universal supply module within the range from 24 to 300 V DC or 40 to 276 V AC voltage.
Beside AC measuring transducers we produce also DC programmable measuring transducers for conversion of DC current and voltage, resistance and temperature into appropirate DC current or voltage signals. Their analogue output signal is proportional to the measured value and it is appropriate for regulation of analogue and digital devices. Input quantities for DC measuring transducers can vary from 50 mV to 300 V for voltage and from 1 mA to 1 A (up to 7.5 A as special version) for current. Output values are similar to output values of AC measuring transducers. Accuracy class for both (current and voltage) DC measuring transducer is 0.5.

Features:


Ac, Dc Power System Measurement
  • Microprocessor Control
  • Housing for Din Rail Mounting in Compliance with En 50022
  • Programmable Voltage Input Range
  • Programmable Current Input Range
  • Programmable Analogue Output
  • Serial Communication Rs232/Rs485 (Option)
  • Up to Three Electrically Isolated Analogue Outputs
  • Universal Auxiliary Power Supply (Option)
  • Accuracy Class 0.5 (Frequency Transducer 0.2)
  • Current Inputs Electrically Isolated from the System
  • Outputs, Serial Communication, Auxiliary Power Supply, Current and Voltage Inputs Galvanically Separated (Some Models)
MISET Software / Application:-

MISET software is created for configuring and setting of all the instruments with serial communication port (RS232 or RS485) connected in your power network. Devices must be connected to the computer via RS232 communication port (one device, or up to 32 devices connected in network via RS485/RS232 communication converter). With MISET software you can set any parameter of your device, such as input values and transformer ratios, type and value of output and its characteristic, address, communication speed. It also displays measured values in numerical format and in table form. PC software MISET is user friendly and involves help function to simplify the work.

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Transducer & Analyzers
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Measuring transducers MT/UMT 5x0 are intended for measuring, analysing and monitoring single-phase or three-phase electrical power network. They measure RMS value by means of fast sampling of voltage and current signals, which makes instruments suitable for acquisition of transient events. A built-in microcontroller calculates measurands (voltage, current, frequency, energy, power, power factor, THD phase angles, etc.) from the measured signals.

Features:

  • Evaluation of the electricity supply quality in compliance with SIST EN 50160
  • Measurements of instantaneous values of more than 140 quantities (U, I, P, Q, S, PF, PA, f, φ, THD, MD, energy, energy cost by tariffs, etc.)
  • Power accuracy class 0.2
  • Harmonic analysis of phase, phase-to-phase voltages and currents up to the 63rd harmonic
  • Recording up to 32 measurands and 32 alarms in the internal memory (8 MB flash)
  • Measurements of 40 minimal and maximal values in different time periods
  • 32 adjustable alarms
  • Frequency range from 16 Hz to 400 Hz
  • Up to three independent communication ports (RS 232/485 up to 115,200 bit/s, Ethernet and USB communication possible)
  • MODBUS and DNP3 communication protocols
  • Remote display connection
  • Up to 4 inputs or outputs (analogue outputs, pulse outputs, alarm outputs, tariff inputs)
  • Additional communication port (COM2)
  • Universal power supply (two voltage ranges)
  • Automatic range of nominal current and voltage (max. 12.5 A and 600 VL-N)
  • Adjustable tariff clock, display of electric energy consumption in selected currency
  • Housing for DIN rail mounting
  • User-friendly PC MiQen software.

Types of measuring transducers:

MT/UMT 560 - multifunctional transducer & analyzer
MT/UMT 550 - multifunctional transducer & recorder
MT/UMT 540 - multifunctional transducer



    Additional Information:

    • Item Code: MT-UMT-5x0

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    Measuring Transducers
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    Measuring transducers
    Measuring transducers MT 51x are intended for measuring and monitoring single-phase electrical power network. Voltage inputs and current inputs are electrically isolated from the system by means of high resistive input chain and current transformer respectively. It measures true RMS values by means of fast sampling of voltage and current signals, which makes instruments suitable for acquisition of transient events. A built-in microcontroller calculates measurands (voltage, current, frequency, energy, power, power factor, power angles, THD U, THD I, MD) from the measured signals.

    Features

    • Measurements of instantaneous values of all single phase values; U, I, P, Q, S, f, φ, energy, THD U, THD I, MD
    • Power accuracy class 0.2
    • 16 adjustable alarms
    • Wide frequency range from 16 Hz to 400 Hz
    • RS 232/RS 485 communication up to 115,200 bit/s or USB communication or Ethernet and USB communication simultaneously
    • MODBUS communication protocol
    • Up to 2 inputs or outputs (analogue outputs, digital inputs, alarm (digital) outputs, pulse outputs)
    • Universal power supply (two voltage ranges)
    • Automatic range of nominal current and voltage (max. 12.5 A and 600 VL-N)
    • Housing for DIN rail mounting
    • User-friendly PC MiQen software


    Additional Information:

    • Item Code: MT-51x

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    Measuring Transducers with Remote Display
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    Remote display is very useful for a quick look-up to all measured parameters or to set up the (U)MT5xx measuring transducers without the PC. Navigation keys and graphical LCD display enable remote application and remote display settings. By choosing different RD500 target communication addresses is possible to track measurements and change settings for up to 32 (U)MT5x0 measuring transducers.


    Features:

    • Remote application for measuring transducers (U)MT560, (U)MT550, (U) MT540
    • Network connection for up to 32 transducers
    • RS485 communication
    • Universal power supply 48-276V AC, 20-300V DC
    • Graphical LCD 128 x 64 dots
    • Multilingual support

     



    Additional Information:

    • Item Code: RD-500

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    Programmable Multifunctional Measuring Transducer
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    Measuring transducers MT 4xx are intended for measuring and monitoring single phase or three-phase electrical power network.


    Features:

    • Measurements of instantaneous values of more than 50 quantities (V, A, kW, kVA, kvar, kWh, kvarh, PF, Hz, MD thermal, THD, etc)
    • Power accuracy class 0.5
    • 16 adjustable alarms
    • Input frequency: 50/60 Hz, 400 Hz
    • Serial communication (RS232 or RS485 up to 115,200 bit/s) and USB 2.0
    • MODBUS RTU communication protocol
    • Up to 4 I/O (analogue outputs, alarm outputs, pulse outputs, general purpose relay output, general purpose solid-state output)
    • Single wide auxiliary power supply range 24 –300 V DC, 40 – 276 V AC
    • Automatic range of current and voltage (max. 12.5 A and 600 VL-N)
    • Housing for DIN rail mounting
    • User-friendly setting software, MiQen


    Types of measuring transducers:

    MT 440 - programmable multifunctional transducer

    MT 418 - programmable current transducer

    MT 416 - programmable voltage transducer

    MT 408 - voltage self powered measuring transducer

    MT 406 - current self powered measuring transducer




      Additional Information:

      • Item Code: MT4xx

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      AVR Electronics Private LimitedUnit II, 15, 7th Cross, 5th Main, Near CBI Office, Ganga Nagar, Bengaluru-560032, Karnataka, India

      Vijay S. Hubli (Director)

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