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About Us

Who we are

YOSHINE is from China.
YOSHINE is a relay manufacturer.

Wenzhou Derrek Electric Co., Ltd. is a China Ten-Function Liquid Level Relay Manufacturer and Sale Ten-Function Liquid Level Relay . YOSHINE’s products can be divided into two categories:
1. Products that manage electronic control processes (Step Relay, Time Relay, Switching Power Supply, Floatless Level Switch, etc.).
2. Products that protect equipment (e.g. motors) from voltage and current failures (Voltage Protection Relay, Current Monitoring Relay). OEM service is offered according to the client’s requirements.
Application of YOSHINE’s products is mainly in reset control (small hospitals, nursing homes, community houses), Lighting Control, Pump Control, Generator Control, etc. Considering the important role of our products, we keep developing new products and improving quality standards. YOSHINE not only involves all aspects of the industrial field but also intelligent control of offices and residences. We strive to provide clients with more efficient and intelligent products.
YOSHINE has gained a reputation for short lead time, flexible design, and excellent technical support.
YOSHINE has made its contribution to the development of our society and the global intelligence industry with the mission of “Made for Connection”.

YOSHINE

  • Current employees
    0+

    The company currently has more than 50 employees, including 7 professional technicians and 2 engineers.

  • Factory area
    0

    We have our own manufacturing plant which covers an area of ​​12000 square meters.

  • Monthly production capacity
    0+

    Our monthly production capacity is over 100,000 pcs, which can meet the needs of different clients.

Honor

Our Certificate

  • 2022 CE Certificate 2022 CE Certificate
    2022 CE Certificate
  • YX7 (30826-30827) M.2021.206.C64486_00 YX7 (30826-30827) M.2021.206.C64486_00
    YX7 (30826-30827) M.2021.206.C64486_00
  • CB Certificate CB Certificate
    CB Certificate
  • CE-EMC CERTIFICATE YX189 CE-EMC CERTIFICATE YX189
    CE-EMC CERTIFICATE YX189
  • CE-EMC CERTIFICATE YX190  YX192  YX805  YX810 CE-EMC CERTIFICATE YX190  YX192  YX805  YX810
    CE-EMC CERTIFICATE YX190 YX192 YX805 YX810
  • CE-LVD CERTIFICATE YX189 CE-LVD CERTIFICATE YX189
    CE-LVD CERTIFICATE YX189
  • CE-LVD CERTIFICATE YX190  YX192  YX805  YX810 CE-LVD CERTIFICATE YX190  YX192  YX805  YX810
    CE-LVD CERTIFICATE YX190 YX192 YX805 YX810
  • CE-EMC CERTIFICATE YX-222 CE-EMC CERTIFICATE YX-222
    CE-EMC CERTIFICATE YX-222
  • CE-LVD CERTIFICATE YX-222 CE-LVD CERTIFICATE YX-222
    CE-LVD CERTIFICATE YX-222
  • CE-ROHS CERTIFICATE YX-222 CE-ROHS CERTIFICATE YX-222
    CE-ROHS CERTIFICATE YX-222
  • Software Certificate Software Certificate
    Software Certificate
  • Over-current and under-current relay Over-current and under-current relay
    Over-current and under-current relay
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Industry Knowledge Extension

Liquid level detection is a critical component in various industries, from water treatment plants to industrial manufacturing. To achieve optimal performance in monitoring and controlling liquid levels, several devices are available on the market, including the Ten-Function Liquid Level Relay, Floatless Relay, and Floatless Level Controller. Each of these tools serves a specific purpose, but they all share a common goal: ensuring the proper management of liquid levels.

Ten-Function Liquid Level Relay: Versatility in Monitoring

A Ten-Function Liquid Level Relay is a versatile and advanced device that provides multiple capabilities for monitoring and controlling liquid levels. As the name suggests, this relay typically offers ten distinct functions, enabling it to be used in a variety of applications. These functions can include high and low-level alarms, dry-run protection, pump control, and more. This multi-functional nature makes the relay highly adaptable, as it can be configured to suit the specific needs of different liquid level monitoring scenarios.

The relay is generally employed in industries where precise liquid level control is necessary, such as in chemical plants, water treatment facilities, and manufacturing processes. By connecting with sensors placed at various levels in a tank or vessel, the relay can continuously monitor the liquid’s status and activate alarms or control pumps when needed. Its flexibility and wide range of functions help reduce the risk of equipment damage due to improper liquid levels, making it an essential tool for maintenance and process optimization.

Floatless Relay Price: Finding the Right Balance

The price of a Floatless Relay can vary significantly depending on factors such as brand, functionality, and the specific application requirements. A floatless relay is designed to detect and control the liquid levels in tanks or vessels without relying on mechanical floats, which can wear out or malfunction over time. Instead, it uses electronic sensors or probes to detect the liquid level, making it more durable and reliable.

In terms of pricing, floatless relays tend to be slightly more expensive than traditional float-based relays due to their advanced electronic components and features. However, the higher initial cost is often offset by the relay's longer lifespan, reduced maintenance needs, and improved accuracy in level detection. Basic floatless relays can start at relatively affordable prices, especially for simpler models with fewer features. On the other hand, more advanced models with enhanced functionalities or higher durability might carry a higher price tag.

Floatless Level Controller: Precision Without Moving Parts

A Floatless Level Controller is a highly efficient device used for maintaining and controlling liquid levels without the need for moving parts, such as traditional floats. This controller operates based on the principles of capacitance, ultrasonic, or conductive sensors, which can accurately detect the level of liquid in a tank or vessel.

The primary advantage of a floatless level controller is its reliability and long lifespan. Since it doesn’t rely on mechanical components, such as floats that can wear out or get stuck, the floatless system is less prone to failure. These controllers are typically used in applications where high precision is required, and where float-based systems might be too cumbersome or prone to malfunctioning. Industries that frequently use floatless controllers include wastewater treatment, food and beverage, and chemical processing.

One of the key benefits of using a floatless level controller is that it provides a more consistent and accurate measurement of liquid levels. By eliminating moving parts, these controllers can withstand harsh environments and reduce the risk of mechanical failure. Additionally, they are often more compact and easier to install, making them a popular choice in situations where space is limited.

Floatless level controllers come in a variety of models, with varying price points depending on their features and capabilities. Advanced models with additional functions, such as remote monitoring or integration with other control systems, may be priced higher. However, their increased functionality can justify the higher cost, particularly in specialized or demanding applications. For businesses, investing in a floatless level controller can lead to fewer maintenance issues, improved accuracy, and enhanced system reliability.