Watanabe Electric Industry Co. Ltd. Product Lineup

The "WMS-HE2" is an advanced version of an electric power meter that can measure 440V circuits without the need for a VT. It can connect 4 CTs, allowing measurement of 4 circuits for single-phase 2-wire, 2 circuits for single-phase 3-wire and three-phase 3-wire, and 1 circuit for three-phase 4-wire. It easily integrates with upper systems via Modbus RTU. It is equipped with 2 points of DI or DO, supporting the capture of abnormal signals and threshold comparison outputs. This model is compact and suitable for field use. 【Features】 ■ Direct input for 440V systems ■ Slim design of 28.5mm ■ Supports three-phase 4-wire ■ Compatible with Modbus RTU ■ Voltage-less measurement support ■ Equipped with 2 points of DI or DO *For more details, please download the PDF or feel free to contact us.

• Other electronic measuring instruments

We would like to introduce a case study of our power monitoring system implementation. There was a challenge in that the power consumption of substations and various equipment could not be monitored in real-time, leading to difficulties in confirming which equipment was operational and obtaining data for cost calculation, requiring on-site verification. After implementation, we installed the "WMS-PE6" at the substation to measure the power of each circuit, wired the RS485 communication line to the monitoring room, and built a system to connect and aggregate it to the "WGWB on-premises model," achieving visualization of machine operating status and labor savings. [Case Overview] ■ Previous Specification: There was no energy monitoring system in place for factory equipment. ■ Challenge: We wanted to achieve energy monitoring in the factory to reduce unnecessary power consumption. ■ Solution: Implementation of IoT gateway "WGWB on-premises model" and others. ■ Customer Feedback: The ability to implement it at a low cost with an on-premises configuration was highly valued. *For more details, please feel free to contact us.

• Power Monitoring Equipment

We would like to introduce a case where a manufacturer of multi-story parking lots has implemented our EV charging equipment's individual billing and remote monitoring system. Since the EV charging equipment is part of the common areas of the condominium, it was necessary to track who used how much electricity and bill them individually. However, the conventional equipment was discontinued, and a new system was required. After implementation, we proposed a configuration that collects data from multiple locations through the "Mibunroku Cloud" and stops charging when the current value falls below a certain threshold. This allows for the processing of usage statements to be submitted to facility managers, contributing to improved operational efficiency. [Case Overview] ■ Previous Specification: Old-type measuring terminal ■ Challenge: To remotely measure and centrally manage the electricity usage of EV charging equipment ■ Solution: Implementation of "Mibunroku Cloud," the wattmeter "WMS-PE2DO," and an IoT gateway ■ Customer Feedback: The ability to centrally manage multiple locations via the cloud was highly valued. *For more details, please feel free to contact us.

• Power Monitoring Equipment

We would like to introduce a case where our remote data collection system for subsidies and energy-saving pre-diagnosis was implemented. In the conventional operation of portable loggers, it was necessary to visit the site each time for data collection, which made real-time situation understanding impossible, leading to the challenge of wanting to reduce the effort involved in data collection. After implementation, we provided a configuration where a SIM card is inserted into the "WGWB Web Logger Model," allowing remote access to download and collect measurement data, enabling the collection of necessary power data while remaining in the office. [Case Overview] ■ Conventional Specification: Installation of wireless loggers from other companies on-site with manual collection ■ Challenge: Desire to reduce the effort of data collection ■ Solution: Introduction of IoT gateway and multi-circuit power meters ■ Customer Feedback: The low-cost implementation and significant reduction in travel and movement labor were highly appreciated. *For more details, please feel free to contact us.

• Power Monitoring Equipment

We would like to introduce a case where our manufacturing line equipment's idling power waste reduction and preventive maintenance system were implemented for a customer operating a factory. In the factory, there were various heat-generating furnaces, and wired connections led to significant cable degradation and wear due to heat, making data collection via wired methods difficult and resulting in individual management for each site. After implementation, we utilized the wireless capabilities of the IoT gateway to gradually start data collection from areas within range of the office. This allowed us to identify devices in idling states, contributing to the reduction of unnecessary power consumption. 【Case Summary】 ■ Previous Specification: Individual management of equipment power panel data for each site ■ Challenge: Desire to promote energy conservation and preventive maintenance ■ Solution: Implementation of IoT gateway and multi-circuit power meters ■ Customer Feedback: The ability to build a system wirelessly and cost-effectively in an environment where wired connections were difficult was highly valued. *For more details, please feel free to contact us.

• Power Monitoring Equipment

We would like to introduce a case where our power monitoring system was implemented by an environmental and energy consulting company. The in-house developed gateway and cloud system that were previously used had aged, and the other company's measuring devices that were being used were discontinued, necessitating the need for alternative products to handle new projects. After implementation, we applied our own power meters along with the "WGWB" and "Mibunroku Cloud" to new projects. In locations where existing products from other companies were installed, we successfully built a hybrid configuration, establishing a flexible monitoring system. [Case Overview] ■ Previous Specifications: Other company's power meters and in-house developed gateway/cloud system ■ Challenge: Need for alternatives due to aging and discontinuation ■ Solution: Introduction of multi-circuit power meters and IoT gateway "WGWB" ■ Customer Feedback: The flexibility to connect and integrate other company's devices into the same gateway was highly valued. *For more details, please feel free to contact us.

• Power Monitoring Equipment

We would like to introduce a case where a pump manufacturer implemented our predictive maintenance and fault location identification system for remote installation pumps. Previously, regular on-site inspections and reactive maintenance were conducted, but there were inefficiencies such as having to return without identifying fault locations before going on-site, or returning from regular inspections without any abnormalities. After implementation, we utilized a group of sensors, including "Mibunroku Cloud" and IoT gateways, to measure water levels and current values, and established a system that sends alarm emails when threshold anomalies occur, progressing towards reducing unnecessary on-site visits. 【Case Overview】 ■ Previous Specifications: Regular on-site inspections and visual checks, reactive maintenance ■ Challenges: Inefficiencies arose due to staff shortages ■ Solution: Implementation of a group of sensors such as "Mibunroku Cloud" and IoT gateways ■ Customer Feedback: The ability to collect diverse measurement data from a single company was highly valued *For more details, please feel free to contact us.

• Other services

We would like to introduce a case where our on-premises immediate notification system for equipment failure anomalies was implemented by an aquaculture business. In the event that equipment anomalies or failures go unnoticed for an hour, it could lead to the death of juvenile fish and result in damages amounting to hundreds of millions of yen. Therefore, there was a request to issue immediate alarms upon the occurrence of equipment anomalies. After implementation, we established a system that sends email alerts using an on-premises configuration with a SIM card that has a global IP, tailored to prioritize cost. We confirmed normal operation during test runs and have completed preparations for full-scale operation. 【Case Summary】 ■ Challenge: To issue immediate alarms upon the occurrence of equipment anomalies ■ Solution: Introduction of an IoT gateway and contact input node "WMB-DI16" ■ Customer Feedback: The ability to significantly reduce monthly operational costs by using an on-premises configuration was highly valued. *For more details, please feel free to contact us.

• Other process controls

We would like to introduce a case where a power company implemented a low-cost power visualization system to reduce our server update costs. The server update costs for the previously used system were enormous, making it difficult to continue the contract, so they were considering a successor system for the power visualization service. After implementation, while maintaining the configuration of the existing system, we designed and proposed a solution that utilized the battery-operated pulse measurement terminal "WLM-PC1" and "Mibunroku Cloud," ensuring that costs fit within the expected service fees. [Case Overview] ■ Previous Specification: Power visualization system using third-party cloud and servers ■ Challenge: Server update costs were enormous, making contract continuation difficult ■ Solution: Implementation of the battery-operated pulse measurement terminal "WLM-PC1" and "Mibunroku Cloud" ■ Customer Feedback: The ability to maintain operations similar to the existing system's configuration was highly valued ■ Implementation Effect: Reduction of initial and running costs *For more details, please feel free to contact us.

• Power meter
• Power Monitoring Equipment

We would like to introduce a case where our automatic meter reading and remote monitoring system was implemented for a customer managing sewer meter readings across the country. Previously, regular on-site visits and visual meter readings were conducted, but the costs and labor associated with traveling for remote meter reading were significant, leading to the challenge of wanting to conduct remote monitoring at a lower cost. After implementation, we built a system that counts the flow accumulation pulses from the sewer meters using the "WMB-DI16" and accumulates data in an IoT gateway. By collecting data remotely via a fixed IP SIM, we successfully reduced travel expenses. [Case Overview] ■ Previous Specifications: Regular on-site visits and visual meter readings ■ Challenge: Desire to conduct remote monitoring at a lower cost to reduce travel expenses ■ Solution: Implementation of the IoT gateway and pulse input node "WMB-DI16" ■ Customer Feedback: The ease of setting up and implementing the system without programming was highly valued. *For more details, please feel free to contact us.

• Other security and surveillance systems

We would like to introduce a case where our existing flow meter's data collection and API integration for leak and equipment anomaly detection systems were implemented for a customer with nationwide stores. Previously, water usage was measured using data from existing flow meters, but there were significant discrepancies in the measurements. The customer faced the challenge of wanting to visualize water usage across their nationwide stores and detect and understand leaks and equipment anomalies. After implementation, the flow meter pulses were collected using "WMB-DI" and a gateway, centralizing the data in the cloud and passing it to the customer's system via API. This has contributed to understanding equipment anomalies and detecting leaks. [Case Overview] ■ Previous Specification: Measurement using data from existing flow meters ■ Challenge: Detect and understand leaks and equipment anomalies from water usage by time period ■ Solution: Cloud centralization using IoT gateway and pulse input nodes, along with API integration *For more details, please feel free to contact us.

• Other flow meters

We would like to introduce a case where our temperature-controlled warehouse's temperature and humidity remote monitoring and anomaly notification system was implemented for customers in the warehouse and logistics industry. Previously, anomalies could not be detected immediately due to only a few visual checks per day, and confirmation was done via phone during trouble occurrences. Additionally, there was a challenge that immediate alarms triggered by the loading and unloading of goods would disrupt operations. After the introduction of this system, real-time anomaly detection became possible, allowing personnel at headquarters to monitor from a distance. A delay function to accommodate temperature fluctuations caused by door openings and closings has also been incorporated, contributing to improved temperature management levels. 【Case Overview】 ■ Previous Specifications: Temperature checks through visual inspection several times a day and paper records ■ Challenge: Wanted to grasp the temperature of warehouses dispersed across the site in real-time and detect anomalies ■ Solution: Proposed a system configuration that sends and records the analog output signal from the control panel temperature controller to the cloud and notifies via email in case of deviations ■ Implementation Effect: Real-time anomaly detection is possible, and the elimination of paper records *For more details, please feel free to contact us.

• Other security and surveillance systems

This document summarizes power meters and their applications that are useful for energy conservation and power saving at the site. It provides detailed information on the main types of power meters, the benefits of their introduction, and examples such as monitoring utility and equipment data in factories. Additionally, it introduces Watanabe Electric Industry's lineup of power meters, so please take a moment to read it. 【Contents (partial)】 ■ What is a power meter ■ Main types ■ Benefits of introduction ■ Case studies ■ Watanabe power meters ■ Product lineup of Watanabe Electric Industry *For more details, please download the PDF or feel free to contact us.

• Power meter

This document is a basic explanatory material summarizing "Essential Knowledge about Digital Panel Meters." It includes fundamental knowledge such as what measurement is and international units, as well as detailed information about the features and types of digital panel meters. Additionally, it introduces scaling functions and comparison outputs, so please make use of this information when selecting products. 【Contents (partial)】 ■ What is measurement? ■ What are international units? ■ What is a digital panel meter? ■ Features and types of digital panel meters ■ Configuration image *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

This document is a selection catalog of temperature sensors that can accommodate everything from general products to custom and special applications. It provides detailed information about temperature measuring resistance thermometers that fully support both standard and special shapes. Additionally, we also introduce thermocouples that cover a wide range up to +1700°C, so please take a moment to read through it. 【Featured Products】 ■ Temperature Measuring Resistance Thermometers ■ Thermocouples *For more details, please download the PDF or feel free to contact us.

• Other Thermometers

This document is a handbook that summarizes the basic know-how and specialized knowledge of temperature measurement. It provides detailed descriptions of the structure and features of sheath thermoresistive sensors, as well as the causes of errors in thermoresistive sensors. Additionally, it includes information on the principles and characteristics of thermocouples, so please take a moment to read it. [Contents] ■ Thermoresistive Sensors ■ Thermocouples ■ Protective Tubes ■ Connection Types ■ Measurement ■ Reference Materials *For more details, please download the PDF or feel free to contact us.

• Other Thermometers

This document summarizes the construction of BACnet systems. It provides detailed information on the basics of BACnet and the differences between BACnet IP and BACnet MS/TP. Additionally, it introduces objects and properties, so please take a moment to read it. 【Contents】 ■ About BACnet ■ Objects and Properties ■ BACnet Services ■ Product Introduction ■ MEMO *For more details, please download the PDF or feel free to contact us.

• Communications

This document is a handbook that introduces examples of utilization towards the realization of a decarbonized society. It provides detailed information on the basics of carbon neutrality, the rising momentum, and the background behind it. Additionally, it also introduces energy management, so please take a moment to read it. 【Contents (partial)】 ■ What is Carbon Neutrality ■ Rising Momentum and Background ■ Initiatives as Growth Opportunities ■ Is Realization Possible? ■ Energy Management ■ Energy Management System (EMS) *For more details, please download the PDF or feel free to contact us.

• EMS

This document is a guide on utilizing Energy Management Systems (EMS) for energy conservation in factories. It provides detailed information on basic knowledge such as what carbon neutrality is and the benefits of energy conservation. Additionally, it introduces energy management and the PDCA cycle, so please take a moment to read it. 【Contents (partial)】 ■ What is carbon neutrality ■ Start with energy conservation activities ■ Benefits of energy conservation ■ Energy management and PDCA ■ Energy conservation checklist ■ Energy Management System (EMS) *For more details, please download the PDF or feel free to contact us.

• EMS

We would like to introduce the "Signal Converters" that we handle. These devices convert and isolate electrical signals from various sensors such as temperature and humidity sensors and rotary encoders, transforming them into a unified signal that can be processed by the intended equipment. We proudly offer a total of 301 product models, accommodating a wide range of functions and sizes to suit various operating environments and conditions. We provide both a plug-in type with detachable main unit and terminal block, and an integrated terminal block type. 【Product Lineup (Partial)】 ■ Plug-in Small Signal Converter WSP Series ■ Plug-in Free-Spec Small Signal Converter WSPA Series ■ Terminal Block Small Signal Converter TZ Series ■ Plug-in Slim Signal Converter WGP Series ■ Terminal Block Signal Converter TW Series ■ Plug-in General-Purpose Signal Converter WVP Series *For more details, please download the PDF or feel free to contact us.

• Converters and Transducers

The "WPC Series" is a product that measures electrical power in various locations. The measured electrical power can be output as a pulse signal, with the ability to set the weighting of each pulse and the pulse width. Additionally, by using the free management software "WRS-SD," you can manage and analyze the measured electrical power data. 【Features】 ■Low cost ■Ease of use ■Pulse output ■High precision ■Short delivery time of 3 days *For more details, please download the PDF or feel free to contact us.

• Power meter

The "WPM" is a digital panel meter that thoroughly reexamines six basic performance features. The main body has a depth dimension of 85.9mm, and the protrusion dimension when embedded is an impressive 76.4mm, making it one of the industry's top-level compact designs. Additionally, the auxiliary power supply for sensors is available in DC12V and DC24V with a large capacity, allowing compatibility with various sensor power supplies. 【Features】 ■ Equipped with a comparison function and auto-ranging ■ Unique to our company, a screw terminal block with a dropout prevention feature ■ Allows for changes to alarm setting values ■ A first in its class, a dedicated display model with a standard simple comparison alarm function ■ Easy-to-use "setup" function included ■ Main body depth dimension of 85.9mm (display only) *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

The "WKM Series" is a product that measures and displays various power data on an LCD screen. Returning to the fundamental question of "What is truly required from a meter?", we are committed to ensuring that even a simple meter can display information in a highly visible manner. It is equipped with various features such as selectable output options, a setting copy function, and a simulated input/output test function. 【Features】 ■ Exceptional visibility with white LED backlight ■ Safety range is clearly indicated by a guideline (safety point setting) ■ Even easier to read with a large approximately 4.2-inch LCD displaying four elements simultaneously ■ Multi-range compatible, allowing for free setting of voltage and phase line classification ■ LED backlight blinks when an alarm is triggered *For more details, please download the PDF or feel free to contact us.

• Power meter

We would like to introduce our "IoT Remote Monitoring Solution." By implementing the system, data from sensors and measuring instruments at each location can be aggregated, visualized, analyzed, and recorded. The cloud measurement data is compiled and displayed in a format suitable for user operations, enabling various applications to be utilized. 【System Features】 ■ A total solution provided from measuring instruments to gateways and the cloud ■ Quick implementation, with operations starting in as little as one day ■ Seamless connection between devices and the cloud ■ Management and monitoring of device settings and statuses can be done from the cloud ■ Capable of handling diverse data that matches the applications required by users *For more details, please download the PDF or feel free to contact us.

• Other security and surveillance systems

The "WPMZ Series" is a product that thoroughly pursues digital panels that can be used on-site. It features a 2.4-inch high-brightness TFT full-dot color LCD, allowing for instant recognition of small numbers and characters. With a standard time setting, it is designed to be easily readable by adjusting the brightness in five levels to match indoor and outdoor lighting conditions. 【Features】 ■ High brightness for clear information, allowing for instant recognition of small numbers and characters ■ 90° rotation display function effectively utilizes narrow spaces on the panel ■ Equipped with various numerical and graph display functions that can be selected according to measurement purposes ■ Includes a 2-channel input calculation function that allows selection from 10 types of calculation formulas *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce the I/O modules 'WBI/WRBI Series' that we handle. These products comply with the open protocol "BACnet," which standardizes the communication specifications for building automation control systems. The "WBI Series" features a compact and slim housing with a detachable terminal block, while the "WRBI Series" is a plug-in type. 【Features of the WBI Series】 ■ Integrated design eliminates the need for a mounting base, making it suitable for distributed installation ■ Easy initial setup ■ No complicated tools required to build the system *For more details, please download the PDF or feel free to contact us.

• Communications

Watanabe Electric Industry has consistently accumulated advanced technology and know-how in the development and manufacturing of electrical and electronic measuring instruments since its founding in 1940. Through manufacturing centered on measurement, we have steadily achieved improvements in our customers' on-site environments, enhanced convenience, and reduced implementation costs. Moving forward, we will continue to draw on the technology, know-how, and spirit we have cultivated to dedicate ourselves to manufacturing. 【Business Activities】 ■ Development and sales of measurement and control devices *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments
• Sensors
• Tester

In commercial facilities, it is essential to accurately grasp the power usage of each tenant and conduct efficient energy management. In particular, visualizing the power consumption of each tenant is crucial for promoting energy conservation, reducing costs, and ensuring proper billing management for tenants. Inadequate power management can lead to unnecessary energy consumption and compromise fairness among tenants. Our slim power meter, the 'WMS-LE2/PE2 series,' features a slim design that can be installed in existing distribution boards while achieving high-precision power measurement, supporting the visualization of energy usage for each tenant. 【Usage Scenarios】 - Real-time monitoring of each tenant's power usage - Data analysis aimed at achieving energy-saving goals - Accurate billing of electricity charges to tenants - Early detection of abnormal power usage 【Benefits of Implementation】 - Increased energy-saving awareness among tenants - Reduction of overall energy costs for the facility - Streamlining of power management operations - Improved tenant satisfaction

• Power meter

The "WMS-LE2/PE2 series" is an advanced version of a slim power meter that achieves high-precision measurement. It can connect up to four CTs and supports single-phase two-wire to three-phase four-wire configurations. Additionally, it is equipped with digital input and output functions, allowing for full utilization in flow measurement, anomaly detection, alarm output, and control. Settings and confirmations can be made from the main unit monitor, making it a top candidate for a compact and slim power meter suitable for on-site use. 【Features】 ■ Slim design that fits existing distribution boards ■ Detachable terminal block for improved maintenance efficiency ■ Supports voltage-free virtual measurement ■ Equipped with 2 DI points compatible with pulse counting ■ Includes 2 DO points capable of start-stop control ■ Can also be used as a remote I/O *For more details, please download the PDF or feel free to contact us.

• Power meter

The IoT gateway "WGWB Series (Econo･DataChef)" is an IoT edge device that processes and handles various types of data. It enables the visualization and analysis of equipment monitoring and demand energy usage, regardless of whether it is operated in the cloud or on-premises. It supports management and analysis that help solve various challenges such as labor reduction, productivity improvement, and decarbonization. ■Modbus RTU register collection ■Built-in 920MHz wireless module

• Power Monitoring Equipment

The LTE-M compatible energy measurement unit "WLM" series is ideal for monitoring the status of equipment and devices scattered across widely deployed locations and fields, as well as for building remote monitoring systems for various types of energy, including electricity. It is a groundbreaking IoT device that transmits data to the cloud via LTE-M communication and achieves approximately five years of battery operation. It offers a lineup of power pulse measurement units and CT measurement units, allowing us to make proposals tailored to customer needs.

• Demand Monitoring

This is a cloud service that maximally utilizes the know-how of a measurement device manufacturer. It visualizes, analyzes, and records various sensor data. Equipped with functions for data judgment, comparison, and analysis, it is a specialized yet broadly versatile service as a cloud-based platform. It features an efficient system with excellent scalability, allowing for operations that start small and grow large.

• Demand Monitoring

Remote I/O is an electronic device used in various fields such as FA, PA, and BA, which transfers input and output to measurement and control devices like PLCs and computers using communication. By transmitting multiple I/O data over communication lines, it contributes to the construction of systems that reduce wiring and costs. Communication is conducted over a standardized open network called fieldbus, and the "WMB series" is a remote I/O compatible with Modbus RTU.

• others

In power plant monitoring, it is essential to accurately and quickly grasp the operational status of widely distributed equipment. In particular, the ability to efficiently collect input and output data from numerous sensors and devices and transmit it to a central control system is crucial. Delays or losses in data can hinder the detection of equipment anomalies and prompt responses. Our Modbus RTU-compatible I/O modules contribute to solving these challenges by aggregating multiple I/O data over communication lines, supporting system construction with reduced wiring and costs. 【Usage Scenarios】 - Collection of sensor data (temperature, pressure, flow rate, etc.) from various equipment in the power plant - Monitoring the status of devices such as switches and pumps - Data integration with remote monitoring systems 【Benefits of Implementation】 - Cost reduction and shortened construction period due to reduced wiring work - Efficient aggregation and transmission of numerous I/O data - Improved flexibility in system construction

• others

In manufacturing production line monitoring, it is essential to efficiently collect and transmit input and output data from numerous devices and sensors. In particular, real-time status understanding and anomaly detection are crucial for maintaining and improving productivity. As wiring becomes more complex, installation and maintenance become more labor-intensive, leading to increased costs. Our "WMB Series" is a remote I/O module compatible with Modbus RTU, supporting the transmission of I/O data via communication, which helps build a system with reduced wiring and costs, contributing to the efficiency of production line monitoring. 【Use Cases】 - Monitoring the operational status of production lines - Collecting sensor data from each process - Early detection of anomalies 【Benefits of Implementation】 - Simplification of wiring work and cost reduction - Shortening of system construction time - Improvement in productivity through efficient data collection

• others

The A5000 series is a general-purpose, highly reliable digital panel meter that has a long track record in monitoring and measurement applications for industrial machinery and control panels. Diverse input lineup: Models are available to accommodate a wide range of sensors and measurement targets, including direct current (DC) voltage and current, alternating current (AC) voltage and current, process signals (4-20mA/1-5V, etc.), temperature (thermocouples and resistance temperature detectors Pt100), load cells (strain gauges), frequency, and rotational pulse signals. High visibility and operability: Featuring large, high-brightness LED displays, the values can be clearly read from a distance, even in control panels or dimly lit factory environments. It also supports arbitrary scaling settings. Flexible system integration: It can be equipped with a variety of options tailored to specific applications, such as "comparator output (relay contacts/photo couplers)" for upper and lower limit alarms, "analog output" for sending data to PLCs or recorders, and "RS-485 communication output" for remote monitoring and data logging.

• Other electronic measuring instruments