山本電機 List of Products and Services

The 'Moisture Power Holder' is a plant weight monitoring type irrigation control controller that realizes 'liquid supply control according to moisture stress,' considered a 'master's technique.' Using a load cell, it continuously measures the weight of representative plants (plant + growing medium) and, based on the maximum plant weight after irrigation in the early morning as a reference value, it starts irrigation when the relative value falls below a set threshold. The appropriate irrigation amount for each irrigation is also automatically determined based on weight measurements. It can be applied not only to high-sugar tomatoes but also to other vegetables (regular tomatoes, strawberries, etc.) and ornamental plants (gerberas, etc.). 【Implementation Effects】 ■ Stabilization of drainage rate (drainage amount/irrigation amount × 100) is possible. ■ In the cultivation of mini tomatoes, an average sugar content of 9 degrees and an average fruit weight of over 15 kg were achieved with 7-tier pinching cultivation, with functional components (GABA) increasing to more than three times the usual level. ■ By setting irrigation conditions such as thresholds according to production goals, irrigation management can be entrusted throughout the cultivation period. *For more details, please download the PDF or feel free to contact us.

Our company offers a wide range of automatic irrigation control controllers that can automate the irrigation of crops such as tomatoes. The "Uruoi Chikara Mochi" adjusts the irrigation amount and frequency automatically based on the weight of the plants, while the "Uruoi I-ra" does so based on the evaporation rate. This is expected to increase the yield and improve the quality of crops like tomatoes, significantly reducing the labor and personnel costs for workers. 【Features】 ■ Significantly reduces working time and costs ■ Contributes to increased yield and improved quality in terms of sugar content and nutrients ■ Simplifies data acquisition and management ■ Customizable original functions available as options *Our company also offers design, manufacturing, repair, and modification of electrical control panels. Please refer to the materials for more details. Feel free to contact us with any inquiries.

Have you ever thought about being able to check the status of your autonomous devices at home or while out? In response to our customers' requests, we propose a 'Monitoring and Management System' utilizing a Web Server PLC. This system uses two types of signal acquisition units to manage and monitor devices. We will create control panels and install sensors according to your requirements. 【Features】 ■ Management and monitoring of devices using two types of signal acquisition units ■ Control of devices possible from mobile phones or the web ■ We will create control panels and install sensors according to your requirements *For more details, please refer to the external link page or feel free to contact us.

The "Nighttime Lighting System" is an independent lighting system that uses solar panels. During normal times, it illuminates the stairs leading to the rooftop when it gets dark and automatically turns off when it gets bright. With a full battery charge, it can stay lit even if it rains for five consecutive days. It lights up an area of 100m² with two 10W LED lights. Additionally, during disasters such as earthquakes, turning on the switch on the rooftop activates two 40W LED lights to illuminate the rooftop. With a full battery charge, it can stay lit for about two days. 【Features】 <Normal Use> - Illuminates the stairs leading to the rooftop when it gets dark and automatically turns off when it gets bright. - Lights up an area of 100m² with two 10W LED lights. - Can stay lit for five consecutive rainy days with a full battery charge. <During Disasters such as Earthquakes> - When the switch on the rooftop is turned on, two 40W LED lights illuminate the rooftop. - Can stay lit for about two days with a full battery charge. *Based on 10 hours of lighting per day. It can be lit for longer with battery replacement. *For more details, please refer to the external link page or feel free to contact us.

The "Data Logger System" is a system that allows for the monitoring of multiple devices installed at water supply facilities via a computer. It communicates with each measuring instrument in real-time, managing the monitoring of operational status as well as daily, monthly, and annual reports. For communication, a VPN network is employed. A continuously connected server monitors the status of the water supply equipment and will notify various parties via email in the event of any abnormalities. This system can be confidently implemented as it allows for the confirmation of abnormalities and recovery even during holidays and nighttime hours when it is difficult for water supply management personnel to cover. 【Features】 ■ Safety 　・The use of a VPN (Virtual Private Network) for communication prevents unauthorized access and data tampering from external sources. 　・Each location operates in a standalone manner (i.e., each location functions independently), so even if communication is interrupted due to an accident, the operation of the measuring instruments will not stop. *For more details, please refer to the PDF document or feel free to contact us.

The "Temperature Control Compatible Heat Pump Controller" controls temperature and humidity with a heat pump. It uses a digital high-precision humidity sensor, and thanks to our unique digital communication technology, it can measure accurately even over long distances. A 5-period timer allows for optimal humidity management. 【Features】 ■ Controls temperature and humidity with a heat pump ■ Utilizes a digital high-precision humidity sensor ■ Accurate measurement over long distances ■ Enables optimal humidity management with a 5-period timer *For more details, please refer to the PDF document or feel free to contact us.

The "Supplemental Lighting System" provides lighting at desired times and sunlight values using a 5-period timer. It is equipped with a built-in circuit breaker for safety in case of electrical leakage. Additionally, it automatically resumes operation when power is restored. 【Features】 ■ Recommended for flower cultivation ■ Allows supplemental lighting at desired times and sunlight values with a 5-period timer ■ Safe and secure even in emergencies *For more details, please refer to the PDF document or feel free to contact us.

"Mamoru-nja" automatically manages temperature and light shielding to create a stable environment. In addition to the conventional combination of temperature sensors and house humidifiers, it can control skylight openers, cold mesh roll-up machines, and blackout curtains in conjunction with rain sensors and sunlight sensors, enabling more energy-efficient and stable temperature management. Additionally, we offer options to notify you via email of any unauthorized intrusions into the house. 【Features】 ■ Controls skylights, circulation fans, blackout curtains, and heating devices ■ Easy bulk management via a touch panel ■ Notifies you via email of any unauthorized intrusions into the house (optional) ■ Enables stable cultivation without variability in growth ■ Achieves high-quality crop cultivation through stable management *For more details, please refer to the PDF materials or feel free to contact us.

The "Uruoi 50 Series" can control three types of groups and 50 systems all at once with a single control panel, allowing for irrigation not only daily but also at intervals such as every two days. Changes to the number of groups and systems can also be accommodated. It can perform automatic irrigation up to 20 times a day. Additionally, it records the irrigation amounts for each system over the past week, and the liquid supply device is compatible with your current equipment. 【Features】 ■ Recommended interval irrigation for fruit tree cultivation ■ Records irrigation history ■ Centralized control of three types of groups and 50 systems ■ System names can be changed to the names of the varieties being cultivated *For more details, please refer to the PDF document or feel free to contact us.

The 'Moisture Notification System' is a system that informs you via email about abnormal situations such as power outages in the fields, high temperature anomalies, and intruders in the greenhouse. It is compatible with existing heating devices, window control systems, and liquid supply systems. This system is recommended for those who feel that 'a security company is not quite necessary, but I am worried about the fields...'. 【Features】 ■ Can be connected to red lights, buzzers, etc. ■ Compatible with various sensors such as motion and vehicle sensors ■ Individual emails are sent for situations like 'greenhouse power outage', 'greenhouse high temperature anomaly', and 'intruder in the greenhouse', allowing for preparations before arrival ■ No computer is needed for setting changes *For more details, please refer to the PDF document or feel free to contact us.

Do you have any of these concerns? - The temperature changes significantly inside the greenhouse, making it hard to manage... - The heat pump malfunctions soon after being new... - The electricity bill is not as low as expected... The "Complex Control Panel for Facility Cultivation" is a control system that can maintain the set temperature during cold days or extreme heat. Since it is not a cloud server, the maintenance costs are low, and even if the server fails, the field controller continues to operate independently. Additionally, by installing a commercially available Wi-Fi access point, you can check the status of each greenhouse from your smartphone, tablet, or PC, no matter where you are. 【Features】 - No cloud usage fees; only monthly line usage fees (for remote control) - Fully compatible with inverter air conditioners - Existing equipment can be used as is - Customization available after installation (for a fee) - Minimum of 16 channels to 50 channels *For more details, please refer to the PDF document or feel free to contact us.

"Chabatake Mizu Yari-kun" is an automatic irrigation device that waters plants when the temperature falls below the set level at night, making it suitable for preventing late frost. It uses a readily available 6V sealed battery and can operate on solar power, eliminating the need for electrical work and electricity costs. It is equipped with a low-temperature compatible temperature sensor suitable for tea fields and features an 8-hour manual irrigation mode for managing seawater during summer. [Features] - No electrical work required - High-precision temperature sensor - Manual irrigation mode included - Automatic irrigation below the set temperature at night - Easy to install *For more details, please refer to the PDF document or feel free to contact us.

"Uruoi Otenki 50" is a watering device that allows for different watering settings for sunny days, cloudy days, and rainy days. It can accommodate slightly different growing environments, allowing for up to 50 times a day, with the option to execute individually from 1 to 6 systems, and the watering duration can be adjusted. It features a history confirmation function that allows you to check the operating frequency and operating time for each system over the past seven days, and if you consult with us at the time of your order, it can be compatible with existing equipment. [Features] ■ Settings for different weather conditions ■ Sequential and simultaneous watering functions ■ Up to 50 times/day with individual settings ■ History confirmation function ■ Compatible with existing equipment (such as solenoid valves and water pumps) *For more details, please refer to the PDF document or feel free to contact us.

"Uruoi Hyakutaro" is a liquid supply control system controller suitable for small-volume, frequent irrigation. It can accommodate slightly different growing environments, allowing for individual time and system settings for each of the 100 cycles. You can also manage growth stages using the 100 patterns. Additionally, you can check the number of operations and operating time for each system over the past seven days, making it useful for liquid supply and fertilization management. [Features] - Ideal for small-volume, frequent irrigation - Produces very neat netting on melons - Individual time and system settings possible for each of the 100 cycles - Clear visibility of whether each of the 100 cycles is executed or not - Easy for anyone to change settings *For more details, please refer to the PDF document or feel free to contact us.

"Uruoi I-ra" is an evapotranspiration estimation irrigation system that can automatically supply liquid according to weather conditions and the growth level of plants. Sensors are installed on the upper part of the plants and at the base, visualizing evapotranspiration rates and Leaf Area Index (LAI). By pre-setting irrigation capacity and irrigation ratios, it allows for irrigation according to evapotranspiration rates. It is also possible to automatically change the frequency of irrigation based on increases in leaf area or weather conditions. Compared to solar radiation proportional methods, it enables high-precision irrigation management, which is expected to significantly reduce the incidence of "defective products" and labor costs for field management. 【Features】 ■ Visualizes plant conditions and controls quality ■ Automatically changes irrigation frequency in response to increases in leaf area and weather ■ Diverse graph display functions ■ Includes a "Timer Mode" that only requires setting irrigation timing and duration *For more details, please refer to the materials. Feel free to contact us with any inquiries.

Yamamoto Electric Co., Ltd. manufactures control panels for food packaging machines, medical machinery, machine tools, tea harvesting machines, painting machines, and more. To realize your requests, we carry out everything from concept and design to prototype manufacturing and production in-house with a consistent system. We are active in various industrial fields, not only in the industrial sector but also in data management through communication systems and automation of agricultural facilities. 【Business Introduction】 ■ Manufacturing of control panels for food packaging machines, medical machinery, machine tools, tea harvesting machines, painting machines, etc. ■ Control installation and maintenance of control lines ■ Manufacturing and sales of irrigation systems *For more details, please refer to the PDF materials or feel free to contact us.

The "Agricultural Support Series" is the comprehensive catalog of Yamamoto Electric Co., Ltd., which manufactures control panels for food packaging machines, medical machinery, tea harvesting machines, painting machines, and more. It features an automatic irrigation system "Uruoi I-ra" that adjusts to weather and plant growth, as well as easy weather settings with "Uruoi Otenki 50" and an "Integrated Control Panel for Facility Cultivation" compatible with inverter air conditioners. [Featured Products] ■ Uruoi I-ra ■ Uruoi Hyakutaro ■ Uruoi Otenki 50 ■ Uruoi 50 Series ■ Chabatake Mizuyarikun, etc. *For more details, please refer to the PDF materials or feel free to contact us.

The "CO2 Controller" is a device that allows you to set the operating CO2 concentration to a specified value at a predetermined time each day. The 24-hour 5-period timer is a standard feature, allowing individual concentration settings for each of the 5 time periods. The cut timer is also a standard feature, stopping the operation after the set time has elapsed. Additionally, the adoption of a high-precision dual NDIR (non-dispersive infrared) sensor means that long-term calibration is unnecessary. 【Features】 ■ Current concentration and set concentration are both in 1ppm increments ■ Measurement and setting range is from 0 to 5000ppm (custom orders can be made up to a maximum of 9999ppm) ■ Compatible with both combustion-type and cylinder-type systems ■ The main unit and sensor can be installed at a distance without error (up to 200m) ■ Current concentration output function (0-10V) *For more details, please download the PDF or feel free to contact us.

The "Photosynthesis Maximization Support Tool" is a device that can continuously measure leaf area in a non-destructive and non-contact manner. The sensor itself is simply placed between the plants. It measures the ratio of near-infrared light and visible light that passes through the leaves and automatically calculates it using a unique method. Additionally, by utilizing a simple simulation, you can check for deficiencies in the field (such as temperature and humidity). It assists in making cultivation management decisions. 【Features】 ■ Continuous measurement of leaf area in a non-destructive and non-contact manner ■ Equipped with a program for estimating photosynthesis and transpiration rates ■ Can be installed using only a 100V or 200V power supply ■ No dedicated app required ■ Assists cultivation management with a simple simulation function *For more details, please feel free to contact us.