Company Profile

1. CLW-DR-2 related information

Weihai Haihe Technology Co., Ltd., as a high-tech enterprise in Shandong Province, specializes in the development and application of specialized instruments and meters for industries such as power, petrochemicals, and metallurgy. They have passed the ISO9001:2000 quality management system certification and won honors such as "2005 Advanced Enterprise in Independent Innovation". At the same time, they have been recognized as "China Patent Shandong Star Enterprise" by the Department of Science and Technology and the Intellectual Property Office. Haihe Technology focuses on innovation and has accumulated over 20 invention and utility model patents, as well as two software copyrights, through its profound expertise in the fields of instrumentation and automatic control. The CLW-DR series level monitoring instrument is the companys star product, suitable for measuring the level of granular and powder material warehouses, as well as acid-base tanks and other scenarios, providing high-precision real-time monitoring. This series of instruments adopts intelligent design and automatic calibration function, which eliminates the need for debugging and maintenance, ensuring long-lasting and stable operation. It has won multiple national patents and been certified as a national level new product. There are many loyal users in the field of power systems. The HDW multiphase level real-time monitoring system has outstanding performance in crude oil storage tanks and other occasions, and can continuously monitor parameters such as liquid level and oil-water interface in real time. It has passed the comprehensive inspection and explosion-proof certification of national authoritative institutions, reached the international advanced level, and has also been rated as a national level new product, filling the gap in related fields. The CLW-HHU series ultrasonic level gauge, HHUF series ultrasonic flowmeter, and HH-LUGE capacitive vortex flowmeter are all innovative achievements of the company in solving the problem of habitual products, and are in a leading position in the industry. Haihe Technology provides users with abundant R&D experience and comprehensive solutions, offering a full range of services including technical support and after-sales service to ensure worry free use. It is worth mentioning that the CLW-DR series continuous level gauge, with its unique automatic calibration function, has become the only efficient choice in the market that requires no debugging and maintenance.

2. Wiring diagram for ultrasonic flowmeter

Ultrasonic flowmeter wiring is mainly divided into two parts: host wiring and probe wiring. There are differences between different brands and models, so it is necessary to follow the product manual for accuracy.

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2. Terminal 3 (GND, DN -, DN+), usually only need to be connected to DN - and DN+(terminals 2 and 3) - Upstream probe connected

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5. Terminal 6 (GND, UP -, UP+), usually only need to be connected to UP - and UP+(terminals 5 and 6) 4-20mA output: AO terminal connected to signal positive pole, 24V - terminal connected to signal negative pole 485 communication: connect 485 OUT A and 485 OUT B terminals Heat meter function: - Water supply terminal connected to TX