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Electrical & Electronics › Electronic Testing › Measuring Instruments › Showa Electronics Co., Ltd
 
Product Category

Power monitoring system
Power monitoring system

AC current/voltage converters
AC current/voltage converters

Electronic watt-hour meter
Electronic watt-hour meter
Load Control and Measurement - EA/WA/EAF: The measuring instruments EA/WA/ EAF transmit and record information on the loads and accidents at AC substations and in AC systems of DC substations. They also store the information for 45 days and can record/reproduce it when necessary ES: The measuring instruments ES transmits voltage, current, and accident signals of power receiving and feeding systems at DC substations. They also store the information for 45 days and record/ reproduce it when necessary. Load Control and Measurement
Power tester 106A - The power tester 106A, which is compact and inexpensive, uses a clamp CT to measure and display the single-and three-phase voltage, current, power factor, and electrical energy. In addition, it records the data when combined with the recorder 106R. Power tester 106A
Data loggers 108/109A/109C - Data logger 108: The data logger 108 uses a microcomputer to process inputs that correspond to various measurements, and stores the data in a memory card,displays the data on a personal computer, and tabulates or outputs to a page printer. Data loggers 109A/109C: The data loggers 109A/109C have more elements and functions than the data logger 108. They store data in a memory card and transmit it to the host computer or remote places. Data loggers 108/109A/109C
Electronic watt-hour meter - Showa Electronics offers an electronic watthour meter and peripheral devices that have high precision and high durability compared to conventional mechanical instruments. The electronic watt-hour meter has a variety of high-level functions that serve the purposes of power control and, combined with peripheral devices, saves manpower in power control duties. Because of these useful features, the watt-hour meter is used at dormitories, small buildings, and other places including substations for industrial facilities. Showa Electronics accepts the requirement of users to optimize their power control system and devices according to their needs. The electronic watt-hour 102B calculates single-and three-phase electrical energy and separately displays voltage, current, active power, reactive power, and power factor. Electronic watt-hour meter
Pulse converter SPT-2KA - The pulse converter SPT-2KA receives pulse signals from the K1, make and make-break contacts of watt-hour meters, and outputs to power control terminal devices through a contact. This output is first converted into a 1- to 1/9999-pulse signal used by the terminal devices. The power source voltage is DC 100V. Pulse converter SPT-2KA
WH transmitter SDF - The WH transmitter SDF continuously calculates and displays the pulses of electrical energy recorded at maximum eight watt-hour meters, transmits the data to terminal devices on a regular basis and outputs time-series index values for the past 12 hours. It also has a built-in pulse conversion function. WH transmitter SDF
Power monitoring system - The power monitoring system can simultaneously measure the electrical energy recorded at up to 30 watt-hour meters of the three-phase/three-wire and single- phase/two- to three-wire types, and pulses sent from a maximum of 16-channel watt-hour meters attached with transmitters. This is suitable for the instrumentation for systematic power control at large plants. The data collected is stored in a memory card, CSV-converted by a personal computer and output on a record book. Power monitoring system
Memory recorders 107/117/114 - When an accident occurs, the memory recorders 107/117S/117H are triggered by a contact output to catch the waveforms before and after the accident, which are sent to the control office for recording through telephone lines. Showa Electronics offers a line-up of memory recorders that cover 4 to 88 channels to catch and record the waveforms before and after accidents at the site of accident. Memory recorders 107/117/114
Harmonic power recorder - The harmonic power recorder PR-300 is a portable logger to control single- and three-phase loads with a clamp CT. It analyzes harmonics and stores measurements in a memory card, from which the data is read out onto a personal computer for entry into various load control record books. It’s used to reproducevoltage/current waveforms and analyze their orders. Harmonic power recorder
Detection, conversion and control Instruments - Showa Electronics has other instruments that detect the state of the object to be measured or controlled as an electric signal, converts it into a necessary quantity for analysis, and controls or outputs to media. Detection, conversion and control Instruments
Input conversion unit - The input conversion unit SSC-U3 has a multi-transducer function to convert three-/single-phase voltage and input current and outputs their effective values, active power, reactive power, power factor, and frequency. The unit can be directly connected to data recorders, pen recorders, and other measuring instruments. Input conversion unit
AC current/voltage converters - The AC current/voltage converters are current transformers to convert AC current of 0 to 40A(IT) into voltage of 0 to 5V. They are also a power transformer to convert AC voltage of 0 to 200V into voltage of 0 to 10V. All are lightweight and have excellent frequency characteristics. They can be manufactured separately or as a single unit. AC current/voltage converters
Synchronization testers - The synchronization testers S25P/S25N monitor the synchronization between different power sources based on the voltage phase and voltage difference(vector difference). They then output these quantities to external contacts when the quantities are within the set ranges, and transmit and display the phase difference at terminals. The synchronization tester S25N is a compact and inexpensive version of S25P that selectively displays the phase difference, voltage difference, and voltage of each power source. Synchronization testers
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Showa Electronics Co., Ltd
2-9-9 Kitazato, Sagamihara Kanagawa, Japan, 228-0829
Content is owned and copyrighted to Showa Electronics Co., Ltd

Products & Services

Input conversion unit
 Input conversion unit
Model: SSC-U3
Description: The input conversion unit SSC-U3 has a multi-transducer function to convert three-/single-phase voltage and input current and outputs their effective values, active power, reactive power, power factor, and frequency. The unit can be directly connected to data recorders, pen recorders, and other measuring instruments.

AC current/voltage converters
 AC current/voltage converters
Model:
Description: The AC current/voltage converters are current transformers to convert AC current of 0 to 40A(IT) into voltage of 0 to 5V. They are also a power transformer to convert AC voltage of 0 to 200V into voltage of 0 to 10V. All are lightweight and have excellent frequency characteristics. They can be manufactured separately or as a single unit.

Synchronization testers
 Synchronization testers
Model: S25P/S25N
Description: The synchronization testers S25P/S25N monitor the synchronization between different power sources based on the voltage phase and voltage difference(vector difference). They then output these quantities to external contacts when the quantities are within the set ranges, and transmit and display the phase difference at terminals. The synchronization tester S25N is a compact and inexpensive version of S25P that selectively displays the phase difference, voltage difference, and voltage of each power source.

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