Watt meter

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Analog Panel Wattmeter/Varmeter

LM Analog Panel Wattmeter/Varmeter , available in 96x96 & 144x144mm , are suitable to indicate export and import , active and reactive power on sinusoidal and non-sinusoidal current . The Watt meters, LM96 are offered for the AC systems single phase , 3 phase balanced load 3 or 4 wire , 3 phase unbalanced load 3 or 4 wire .

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Analog panel wattmeter/varmetter

The Watt and Var meters , LML are offered for the following AC systems , single phase , 3 phase balanced load 3 or 4 wire , 3 phase unbalanced load 3 or 4 wire . LML 96 | 144 housed in moulded polycarbonate cases are suitable for the measurement of active and reactive power . They can be used both on sinusoidal and non-sinusoidal current .

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Digital Panel Meters

Digital Panel Meter are using to read measured values of DC and AC parameters of current, voltage, frequency, Watt, Var,power factor and temperature. The meters are displaying values on Seven segments .

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Varmeter

DPM 96x96 Series measures system active power (Import / Export) , Reactive power(Import / Export) , Apparent Power & Power Factor of three phase & single phase network . IT has 4 digit single line auto ranging LED display with polarity Indication .

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Power Meter

Digital multifunction meters from Ziegler instruments with multiple parameter measurement is world renowned in the power and energy sector . Ziegler Delta Power Meter measures important electrical parameters in 3 phase and single phase Network & replaces the multiple analog panel meters .

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DC Multifunction meter

Ziegler EM DC series is specially designed to measure, display and communicate DC Voltage, Current, Power and Energy to monitor and control the target system. It can be mentioned as its applications in below : -Solar Photovoltaic Systems -Battery chargers and systems -Wind Power Generation -Electroplating Industries -Power Distribution for Telecommunication -Industrial DC control Systems

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Multi differential protection relay

The MDR-2 differential protection relay is a micro processor based control unit containing all necessary functions for monitoring of the differential currents for a synchronous/asynchronous generator or motor (the object). Via current transformers the MDR-2 measures each phase current on both sides of the object. The current transformers determine the limits of the protection area. Any failure within these limits (2- or 3-phase short circuits or earth leaks) will be detected as an error Id: Differential currents, the currents flowing through the two current transformers of the phase in question differ, and, if a preset limit value is exceeded, a warning will be given or a tripping signal transmitted. The MDR-2 dynamic compensation curves for warning and tripping are defined by the user.

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DC Signal Meter

The moving coil meters are applied to measure low power DC signals, for example 0 to 1 mA/4 to 20 mA/0 to 10V DC etc. DQ is available in four different sizes, in other words 48 mm, 72 mm, 96 mm and 144 mm.

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Single frequency meter

Pointer frequency meter consisting of a moving coil instrument with built-in electronics for converting the frequency to a voltage signal. Also , Reed frequency meter with one row of metal reeds vibrating at the applied frequency (resolution: 1/4 Hz). With high immunity to 3rd harmonics, DEIF Pointer frequency meter is suitable for all applications.

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Watt and VAr meter

The WQ measures power or reactive power using a moving coil movement and a built-in electronic Watt or VAr transducer. Measuring power in a single-phase or 3-phase network, the transducer P.C.B. converts the signal into a DC current which is then fed to the moving coil instrument.

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Power factor meter

The PFQ power factor meter measures cos phi with a moving coil movement and an electronic transducer. The transducer measures the phase angle between an AC voltage and the corresponding AC current, converting the signal into a proportional DC current which is then fed to the moving coil instrument.

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Voltmeters and ammeters

DEIF voltmeter and ammeter types have been designed to save switchboard builders space and installation time and do not require installation of normal selector switch. The instruments measure AC voltages and currents and the switch type is available in 96 mm size only.

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