Single Phase
A single alternating voltage.
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High Performance Power Analyzer
AFM-8A
AFM-8A has Developed for AFC*(Auto Frequency Control) high performance measurement and frequency update, its update up quickeer than 100mSec. multifunction power analyzer provides high-accuracy measurement and is designed for single phase and three phase application. It includes 4 Digital inputs, 4 Relay outputs, and a RS-485 Modbus RTU Communication port. The user can choose one more communication port, and 2 Analog outputs for output expansion.It provides measure voltage and current of the 2~63 harmonic, and it shows CO2 emissions, which is suitable for power monitoring, management and analyze power quality. It has TOU (time-of-use) function and 4MB Flash memory capacity, allowing users to record data for a long time. It also has a software line adjustment function to reduce the on-site line adjustment work.It has the functions of waveform capture and recording, power record, and event record, which can be used for multifunction power analyzer.
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Electricity Meters Tester
Caltest 10
Calmet Smart Calibration Devices
Single phase portable electricity meters tester class 0.5% powered from tested circuit with load force possibility apart from tested object. There is no need to disconnect the users during measurement
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Transformers
Chengdu Mengsheng Electronics Co., Ltd.
As a leading transformer manufacturer, DOREXS is committed to providing a variety of high-performance standard and customized transformers to meet the power needs of various industries.DOREXS has a professional R&D design team and advanced production technology to ensure that our transformers are at the forefront of the industry. At the same time, they are strictly produced in accordance with international standards to ensure that the performance and stability of each transformer are maximized.Our products cover dry type transformers, single phase transformers, three phase transformers, high frequency transformers, toroidal transformers, R core transformers, EI core transformers, isolation transformers and special transformers.If you need to know more about our products and services, please feel free to contact us.
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Three-Phase Transformer Demagnetizer
DEM60C
After a DC current test, such as winding resistance measurement, the magnetic core of a power or instrument transformer may be magnetized (remnant magnetism). It can cause various problems such as wrong diagnostics, inaccurate measurements on a transformer, inrush current at the start-up of a power transformer, or incorrect operation of protective relays due to magnetized CT cores. The best way to eliminate this source of potential problems is to use demagnetizer on the power or instrument transformer.The DEM60C is a fully automatic test instrument which performs three-phase transformer demagnetization. Transformer magnetic core demagnetization requires the application of AC current with magnitude decreasing to zero. DEM60C provides this AC current by internally changing the polarity of a controlled DC current. During the demagnetization process, the instrument supplies the current at decreasing magnitude for each step, following a proprietary algorithm. It can demagnetize single-phase and three-phase power transformers.The instrument can be connected to all three phases of a power transformer to be demagnetized, on either the primary or the secondary side. If a user selects specific vector diagrams for different types of transformers, DEM60C will run a specific demagnetization procedure for each transformer type (i.e., single phase, delta, wye/star, zig-zag.) without switching the test leads.DEM60C enables safe and efficient power transformer demagnetization. The instrument automatically regulates the injection of current and discharging energy from the inductance. During and after the operation, an intrinsically safe discharge circuit with an indicator rapidly dissipates the stored magnetic energy. The discharging circuit is independent of the power supply, which improves its reliability in case of loss of power.Test currents of up to 60 A DC enable efficient demagnetization of even the largest power transformers. Using a DV Win software, it is possible to control DEM60C externally.
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Secondary Current Injection Test Sets
Our range of units covers applications up to 200A and includes single phase and three phase units with applications for testing and timing of IDMT relays, thermal overloads, MCB’s and auto-reclosers.
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Single-Phase Transformer Winding Resistance Meters
RMO-TD Series
Using the most advanced switch-mode technology available today, the RMO-TD series is ideal for winding resistance measurements of inductive objects. Transformer resistance meters and tap changer analyzers are perfect for testing:transformer windings (power transformers, distribution, autotransformers),all types of tap changers,generators,electrical motors,high-current busbar joints,cable splices,and welding joints.In addition, transformer demagnetization can also be done with all RMO-TD instruments.The RMO-TD series contains 3 models, with maximal test currents from 25 A (RMO25TD) to 60 A (RMO60TD).The three independent voltage sense channels enable testing of three windings in series. This enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests.All RMO-TD transformer resistance meters have a built-in tap changer control unit. It enables remote control of on-load tap changer (OLTC) directly from the device. In order to make the most out of this feature, DV-Win software is included which can be programmed to do everything automatically – running winding resistance tests and changing OLTC tap positions.The DV-Win software also enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test.All results can be exported in the report format.
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Three Phase AC Voltage Source
EAC-TAVS
Electronic Test & Power Systems
The EAC-TAVS is a series of programmable high power AC voltage sources. Each system provides a three phase true sinewave output as standard. Each unit is built in a freestanding cabinet. The output frequency is adjustable in the range of 45 - 105Hz. Different frequency ranges are optional, with up to 805Hz possible. An RS-232 and CAN interface are provided as standard. The high resolution TFT front panel displays a host of measurement and setting functions. Besides standard models, other nominal power levels and voltages can be user specified. Single phase and bidirectional versions are available on request.
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Energy Analyzer
EP600i
The EnergyPro EP600i is portable and easy to use. Perfect for single phase or three phase energy consumption analysis and basic power quality monitoring. It supports standard wiring configurations and comes with a set of 1A - 2500A WideRangeFlexCT ™. The graphics display makes setup very easy and intuitive - you can setup and record data without looking at the manual!
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Three Phase Electronic Meter DTS999
Bofa Instrument & Equipment Co., Ltd
DTS999 series Single Phase energy Meter are new and high-tech products adopting special large-scale IC, latest micro-electronic technology and SMT production crafts. It is designed for rough working condition and components selection as foundation, so it can ensure the long-term stable operation. DTS999 series Electronic Single Phase Watt-hour Meter features long life, high accuracy, high reliability, high allowable overload, little power consumption, small size & light weight, etc.
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Portable Single-Phase Energy Standard
PEWM-3C-1
The single-phase energy standard PEWM-3C-1-1 is used for a quick check on site of all types single-phase electricity meters – for active, reactive or apparent energy, electromechanical and electronic. The voltage and the current are measured at the same time. The current can be measured directly within 10A or 100A range or with current clamp to 100A. The current clamp is electronically compensated.
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Multifunctional Meter
CPM-12
CPM-12 multifunction power meter provide high accuracy single phase and three-phase measuring and displaying, energy accumulating, power quality analysis, and data communication.Hardware can be option a a RS485 Modbus communication port.Auto wiring change (Note) via softwareCE and FCC approved
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Single Phase Reference Standard Meter
Signals & Systems India Private Limited
The Single Phase Portable Reference Standard (SPRS-1102) from SANDS is a portable meter test equipment that helps to calibrate the error present in the single-phase energy meter i.e. the meter under test (MUT). The SPRS supports both static and electro-mechanical types of meters. It can also be used to compute the voltage, current, energy, phase angle etc of the meter under test. It has an LCD display and an alphanumeric keypad to suit the user. It can be interfaced with the PC for analysis. It has the capability of storing 1000 test results.
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Single Phase Din Rail Energy Meter Type DDS999D
Bofa Instrument & Equipment Co., Ltd
Single phase DIN Rail energy meter is a new type of single phase electronic energy meters, which completely accords with international standard IEC61036. It can display energy consumption by stepping-motor counter or LCD. It features good reliability, small volume, light weight and convenient installation.
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Variable Transformer DC Power Supplies
Variable DC power supplies are AC to DC power supplies with a variable DC output. The output can be varied with a Variable Transformer (also known as variac). The Variable Transformer can be adjusted manually or with a motorized control. The AC input power can be single phase or three phases. With single phase AC input, the DC output ripple is very high (50%). With three phase AC input, the DC output ripple is low (5%). This would be a key benefit for selecting three phase AC input instead of single phase.
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Epoxy Resin Silicon Rubber Outdoor Voltage Transformer
JDZW-10RG
Beijing GFUVE Electronics Co.,Ltd.
Outdoor voltage transformer of the type JDZW-10 is single phase and epoxy resin silicon rubber insulated product, it's used for metering electric energy, voltage control and relay protection in 50/60HZ rated voltage less than 12kV electric system. It can be used for medial voltage AIS, or can be used for medial voltage switchgears. They can operate in all kinds of environments (such as wide range temperature (-50~70℃), high altitude, high humidity, high pollution or salt). This model JDZW-10 outdoor voltage transformer is also as voltage source to supply 220V voltage.
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Primary Injection Testing
For primary injection testings, PONOVO has been providing users, various testing equipment, including CT/PT test set, Single phase universal test test upto 250A and 1000A, etc. CT/PT tester could be used for testing all kinds of CT testing, with additional PT testing functions.
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Servo Stabilizers
We are a leading Manufacturer of Single Phase Servo Voltage Stabilizer, 3 Phase Air Cooled Voltage Servo Stabilizer and Oil Cooled Servo Stabilizer from Vadodara, India.
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Transformer Turns Ratio Meter
TTRM 102
SCOPE introduces state of the art precision single phase Transformer Turns Ratio Meter (TTRM ) designed for field testing as well as factory testing of power transformers, instrument transformers and distribution transformers of all types. TTRM 102 along with turns ratio, measures ratio deviation, phase angle deviation, magnetizing current and detects tap-position of single phase transformer in charged switchyard condition. The range of AC voltage selection offers high accuracy in measurement.Both the instrument have in-built TFT display with touch screen and thermal printer. The user friendly, simple instrument makes the testing more easy. With the touch keypad it is possible to enter required DUT information.The ratio results are displayed with % error. Internal non-volatile memory gives the provision of storing test results.Further data can be downloaded to PC or copied to memory stick through USB port provided.
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Fully Automatic Transformer Winding Resistance Tester
Measure DC resistance of transformers windings etc. Introduction: The NMC ''TDR'' is a high precision, new generation, light weight large output current and micro-processor controlled tester. This replaces old DC wheat stone bridge and double arm bridge for measurement of DC resistance. ''TDR'' adopts new advanced test current power supply technology, four terminal measurement, digital display of resistance value and test current. ''TDR'' is powered by 220V AC mains single phase supply. The measurements are accurate as the test current is highly stable. High automation is achieved with automatic discharge warning.Principle: The constant current generated is fed to the resistance under test through the current terminals and the voltage drop across the resistance under test is measured and displayed in ohms. A true four terminal measurement is used to eliminate the need for lead resistance compensation.
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Regenerative Grid Simulator
61800
Chroma Systems Solutions, Inc.
Power rating: Up to 300kVA, single or three phase outputOutput Voltage: 0~330V L-N / 0~570V L-L0~400V L-N / 0~692V L-L opt. without using a transformerOutput Frequency: DC, 30Hz~100HzMaximum power delivered down to 200VAC L-NFull 4 quadrant, fully regenerative up to 100% of output current ratingSpecifically designed for PV inverter, Smart Grid and EV related test applicationsProgrammable slew rate settings for voltage and frequencyProgrammable voltage and current limitsTurn on, turn off phase angle controlLIST, PULSE, STEP mode functions for testing Power Line Disturbance (PLD) simulationVoltage dips, short interruption and voltage variation simulationHarmonics, inter-harmonics waveform synthesizerComprehensive measurement capability, including current harmonicsAnalog programmable interfacesRemote interface: GPIB, RS-232, USB and EthernetParallel output for higher power applications (three phase only)
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Single-Phase Transformer Winding Resistance Meters
RMO-TW Series
RMO-TW series is perfect for winding resistance measurements of inductive objects. It is ideal for testing transformer windings (power transformers, distribution, autotransformers) and for on-load tap changer verification. In addition, any RMO-TW transformer ohmmeter & tap changer analyzer can also perform transformer demagnetization.The series contains 4 models, with maximal test currents from 10 A (RMO10TW) to 50 A (RMO50TW). They are fitted in a portable and lightweight metal housing.All transformer ohmmeters from RMO-TW series generate a true DC ripple-free current with automatically regulated measurement and discharging circuit. The injection of current and discharge of energy from the test object are automatically regulated.Three independent channels enable testing of three windings in series. Consequently, this enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests.DV-Win software enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test. Finally, a user can export all results in the form of a report.
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Three Phase Meter Test Bench
Supreme Instrument Laboratories
Three phase meter test bench suitable for calibration & testing of AC Ammeters, Voltmeters, Single phase Energy Meters, Watt Meters, Power Factor Meters, Three Phase Two Wire & Three Phase Four Wire Energy Meters Trivector Meters, Maximum demand indicators, of active & reactive systems, Three phase 3 wire & 4 wire watt meters, Var Meters, Power Factor Meters etc.
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Single Phase Double Channel Energy Meter Test Equipment
SY8126
Hong Kong Songyang Industrial Ltd.
SY8126 single phase Energy Meter Test Equipment is a new generation, high precision, energy meter calibration equipment. It uses the international’s most advanced technology and components available in 90 decade. The equipment works under the control of keyboard or remote computer.
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One Phase Electric Power/Energy Calibrator
MC133
The MC133 master unit model is a one phase electric power/energy calibrator. It can supply the device under test with single phase precise voltage and current with calibrated phase shift along with DC voltage and current capability. Output voltage can be set in five ranges up to 280V and output current in six ranges up to 30A. Simulated electric power can be set independently for each phase. Frequency can be set from 15Hz to 1 kHz with resolution 0.001Hz to 0.01Hz. The MC133 Calibrator is equipped with 5 1/2 digital DC meter with DC ranges 20mA or 10V for direct calibration of various types of power transducers and wattmeters.
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Automatic Asphalt Content Tester
4000g sample capacity, integrated +0.1gm accuracy weighing scale, High temperature ceramic filtration system and afterburner for accurate measurement of bitumen content in asphalt mixes. Automatic operation through user defined automatic end point detection and 24 hour start timer. User defined control of furnace chamber temperature from 200 – 650oC, Digital display and printing of test data through bright LED displays and integrated printer, Software activated mechanical door lock to prevent door from opening during test process and cutting off power from the heating elements upon opening the door. Operates on Single Phase, 220V, 50 Hz, 20 Amp and consumes less than 5000 W.
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Portable Wattmeter (Unity Power Factor)
Supreme Instrument Laboratories
The Principle of working is Electo-dynamometer type for Wattmeters. Portable dynamometer type single phase Single element Wattmeter housed in laminated wooden cabinet size 235 mm length x 200 mm width x 180 mm height, with detachable lid, black bakelite panel fitted with anti-parallax mirror scale, knife edge pointer, rubber footings, carrying handles, locking arrangements.
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Four Position Meter Test Bench
TB41
Calmet Smart Calibration Devices
The Calmet TB41 Four Position Meter Test Bench is used for calibration and simultaneously testing up to four single and three phase electromechanical and electronic acitve and reactive electricity meters with accuracy referenced to an internal reference meter (class 0.02% or 0.04%).
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Electricity Metering Device- Residential
Mk32H
Designed for residential use, Mk32H is a DIN Rail single phase meter with integrated 100A UC3 compliant relay. It is able to operate in either STS compliant prepaid mode or post-paid mode.Mk32H can operate with the EDMI CIU (Customer Interface Unit) – HD18 wirelessly as a split meter as well as operate with EDMI gateway – GW30 and the EDMI Head End System – MultiDrive as a complete AMI system.
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Multifunctional Meter
CPM-20
CPM-20 multifunction power meter provide high accuracy single phase and three-phase measuring and displaying, energy accumulating, power quality analysis, and data communication.It provides maximum/minimum records for power usage and power demand parameters.Hardware standard built in a RS485 Modbus communication port.FCC and CE Approved
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Portable Single Phase Power Factor Meter
Supreme Instrument Laboratories
Portable Electro-dynamometer type single phase single element Power Factor Meter laboratory type for horizontal use, housed in laminated wooden cabinet size 235 mm length x 200 mm width x 180 mm height, with detachable lid, black bakelite panel fitted with anti-parallax mirror scale, knife edge pointer, rubber footings, carrying handles, locking arrangements. The power Factor Meters are fitted with an iron shielded Electro-dynamometer type cross coil system.
