Energy Meter Testing Equipment

Ensures to validate the accuracy, reliability, and compliance of electricity meters used in residential, commercial, and industrial applications as per IEC 62052, IEC 62053, and IS 13779 covering both active and reactive energy measurement.

Short Time Over Current Tester

The Short-time Over-current Test Equipment is suitable for testing the influence of Short-time over-current on all types of energy meters that should confirm to or exceed the requirements of national and international standards. This test is described in various standards such as IEC 62053, IS 13779 etc.

As per CEI / IEC 62053, short-time over-current shall not damage the meter. The meter shall perform correctly when back to its initial working condition and the variation of error shall not exceed particular values specified on basis of the class of the energy meter.

STOC is appropriate for use by test laboratories, research & development centres & manufacturers for conformity assessment services, research and type testing.

Smart and user friendly phase control module
Transient Recording Meter to display the Maximum value attained by the test current during testing
Output Current termination on bus bars to facilitate easy connection with energy meter Current circuit terminals.
A suitable connection facility is provided to connect oscilloscope to measure & set the desired output current.
Fuse protection on primary side, Electronic Over Current Protection in Primary Circuit, Additional Time Limit for Test ON time
Lamp Indications for Input Supply, Test ON, Overload Trip Reset, Selected Test.
Emergency OFF facility.
Can also customized with PC Based Variant

Input Supply: Three phase, 415 V, +/ - 10%, 50 Hz (100A max).
Auxiliary Voltage: Three phase output with different ranges 240V AC ,110V AC, 63.5V AC.
Output Current Range: 50 to 3000 Amps Variable controlled, settable & isolated from Mains.
Three Ranges :
(a) 50-250 Amps. (b) 250 -500 Amps. (c) 500 -3000 Amps.
Output Current Setting:
a) 500 Amp To 3000 Amp for 10 ms
b) Less than 500 A for 500 ms we have checked with our design team
Compliance Voltage: 15 V ( Open Circuit)
Current Sensing:
(a) 0-500 mV for 0 -500 Amps. Output.
(b). 0-500 mV for 0 -3000 Amps. Output.
Digital Voltmeter: 3 & ½ digit meter to indicate the output voltage of Variac.

Following Variants are available:

Short Time Over Current Test Setup (STOC-01)- 50 to 3000A
Short Time Over Current Test Setup (STOC-02)- 50 to 5000A
Short Time Over Current Test Setup (STOC-03)- 100 to 10000A

Short-time Overcurrent Test Equipment is used to measure and analyze the influence of short-time overcurrents on energy meter.

Voltage Dip Measurement for Energy Meters

The setup is used to measure and analyse the influence of supply voltage on energy meter. This test is described in various standards for energy meters such as IS 13779, IEC 62053 etc.

The test shall be carried out under the following conditions as per IEC 62053-21, IS 13779 clauses 12.7.2:

Meter in operating condition
Voltage and auxiliary circuits energized with reference voltage
Without any current in the current circuits.

The standard suggests three tests that are pre-programmed:

Voltage Interruption of 100 %: (When test 1 is selected)
Voltage Interruption of 100 %: (When Test 2 is selected
Voltage Dips of 50 %: (When Test 3 is selected)

Micro-controller based digital timer Controller to set the test time.
Lamps Indication for Test ON.
Output terminals for connecting the oscilloscope for observing the output voltage waveform.
Output Terminals for connecting the product under test.
MCB connected to the output terminal for any kind of short circuit protection.
It is bench-top equipment housed in extruded aluminium channels and aluminium chassis; duly powder coated for better aesthetics.

The product is mostly offered as a standard issue; however, we can customize it further if required.

Input Supply: AC 230V +/-10%, 50 Hz
Output Current: 1A AC
Output voltage: 300V max. (Adjustable manually with variac)
Line regulation (200V to 250 V): 0.2%
Load regulation (10-100% change): 0.2%
Measurement accuracy (current): 0.5%

The test kit is used to test the influence of supply dip on energy meter, after which the meter is tested for usual tests and the results are compared with previous one

Energy meter test setup for DC component error in AC circuits.

The setup is designed to carry out the test as per IS 13779 Clause No. 11.2 for DC components in AC current circuit. For balancing the circuit meter similar to (identical) to meter Under Test is used and swamping load is used for better accuracy.

Voltage supply for both the meters and reference standard meters are also available on the panel. The reference standard meter to be connected externally.

Digital ammeter is provided with selector switch to monitor the current through meter under test, dummy meter and reference standard meter.

Smartly designed scheme of testing and measurement
Input Supply: 230 VAC, 50 Hz single phase.
270 V / 4 A adjustable variac for fine adjustment of voltage and current
Ammeter 1, Ammeter 2 and Ammeter 3 True RMS Current Meters for current measurement of Standard Meter, Equipment Under Test and Balancing Impedance respectively

Short Circuit Test Setup for Prepayment Energy Meters

The test setup is designed to carry out following test on Prepaid Energy Meter as per IS 15884 & IEC 62052-31:

Short Time Over Current Test
Fault Current Making Capacity Test
Short Circuit current Carrying Capacity test

Endurance Test

The system comprises of power source, resistive & inductive load bank and control unit with inbuilt PC arrangement and PC software to carry out the tests as per IS 15884

The setup is suitable to carry out the tests on single phase and three phase meters. Three phase meters will be tested phase wise.
Suitable bus-bar terminals will be provided for meter under test for easy connection and for current and voltage tap selection.
A suitable connection facility is provided to connect oscilloscope to measure & set the de-sired output current
PC based System with LabVIEW based TestWare® Suite for Operation, Configuration, Control & Measurement including report generation.
Control Unit with inbuilt PC arrangement
Safety Factors:
a.Over current protection with MCCB for primary circuit.
b.Provision for emergency switch OFF button will be provided.

Input Supply (Control Unit ): Single phase, 240 V, +/ - 10%, 50 Hz. This supply is given to control unit & PC unit.
Input Supply(Power Source): Two phase, 415 V/6000A +/ - 10%
Output Current: 50 to 6000 Amps current source (10 mSec) Three ranges are provided: (A) 50-100 Amps. (B) 100 -600 Amps.(C) 600 -6000 Amps.
Output Current Setting: 50 Amp to 6000 Amp: 10 ms. If user required below 200A, then connect external Load below 200A. (Inductive & Resistance).
Output Measurement: Three ranges are provided: A) 100A -500 mV, 600A – 600 mV & 6000A – 600 mV respectively.
Operating Temperature: 5ºC to 40ºC.

Energy Meter Testing Equipment

Energy Meter Testing Equipment is engineered to validate the accuracy, reliability, and compliance of electricity meters used in residential, commercial, and industrial applications. These systems ensure that meters meet international standards such as IEC 62052, IEC 62053, and IS 13779, covering both active and reactive energy measurement.

Energy Meter Testing Equipment

Ensures to validate the accuracy, reliability, and compliance of electricity meters used in residential, commercial, and industrial applications as per IEC 62052, IEC 62053, and IS 13779 covering both active and reactive energy measurement.

Short Time Over Current Tester

Salient Features

Specification

Variants & Customization

Application

Voltage Dip Measurement for Energy Meters

Salient Features

Variants

Specification

Application

Energy meter test setup for DC component error in AC circuits.

Features & Specification

Short Circuit Test Setup for Prepayment Energy Meters

Salient Features

Specification

Energy Meter Testing Equipment

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