ZThe GL product discards traditional interface and level measurement technologies that rely on capacitive, radio frequency admittance, float ball, and other principles. It has successfully developed a new generation of professional measurement equipment for interface level in oil field and petrochemical industry oil settling tanks, separation tanks, wastewater tanks, and storage tanks by adopting advanced matrix high-precision sensing structures, combined with unique lateral quantitative magnetic field scanning and directional weak magnetic field reception technology with error correction function featuring identification codes. It fundamentally solves the drawbacks of capacitive and radio frequency admittance measurement methods, which are prone to material adherence, significantly affected by temperature and humidity, with large drift and instability, as well as the issues of float ball measurement methods, which are susceptible to viscosity and easy to get stuck. Special probe protection materials and advanced measurement technology make the ZGL product durable against corrosion, high temperature resistance, not afraid of steam, non-adhesive to material, with a long lifespan due to the absence of mechanical moving parts, and傻瓜式 design for easy operation and troubleshooting.(Field test interface, correct wiring and power on will output the correct interface position.)Eliminates the cumbersome processes of repeatedly emptying and refilling liquids for capacitive and admittance products during on-site adjustments (usually not allowed in industrial sites).
Hundreds of ZGL products have been in use at oil fields for 10 to 15 years, including high-temperature and high-humidity regions in southern China as well as the extreme cold and hot temperatures in the northwestern and northeastern parts of China. Their continuous, stable, and reliable operation has fully demonstrated the superiority and practicality of the ZGL series. The ZGL series interface measurement products represent a revolutionary breakthrough in oil-water interface measurement for the oil and petrochemical industries. With technology focusing on people, their successful application will greatly facilitate the control of the oil production process in oil fields.Say goodbye to daily manual "尺捞" in large drumsIn the era, oilfield workers no longer have to risk their lives in dangerous weather conditions, climbing the large tanks during the mandatory day and night shifts.Measure tapeDocumenting, the control room can clearly understand the interface condition inside the tank, thus allowing for more targeted control of valve opening and liquid discharge/inflow, no longer relying on repeated experience. Its use not only reduces the labor intensity of workers and saves energy but also significantly improves the storage tank's operational efficiency and production effectiveness.
Beijing Zhenggong Electronics Technology Co., Ltd. 186-1036-9813
ZGL-S: Intelligent Self-Calibrating Oil-Water Interface Gauge
Function: Measures interface (between oil and water, as well as between other layered liquids)
Power Supply: 24VDC / 0.2A
Output: 4-20mA
Range: Selected based on actual site conditions
Ex ia II BT 4
Ex-proof Certificate No.: CE082172
Protection Rating: IP65
Standard: Q/CPZGL 02-2008
Operating Temperature: -40~150℃
Operating Pressure: 1 atmosphere (pressurized upon special order)
Field of Use:
Measurement of oil-water interface in settling tanks, separation tanks, waste water tanks, oil storage tanks, and well service tanks at oilfield joint stations; interface measurement between tar and water in tar storage tanks at coking plants, steelworks, and carbon black plants; measurement of oil-water interface in oil product storage tanks of transport oil tankers; measurement of oil-water interface in waste oil storage tanks of marine environmental oil removal vessels.
Product Advantages:
※ Ultra-industrial grade design, stable and reliable, able to stand the test of time, truly practical and usable.
No adhesion or material hang-up; no mechanical moving parts, no jamming occurs.
Simple design for on-site use, no need for complex adjustment process; just connect the wires and turn on the power.
Product is durable and maintenance-free, offering long-term peace of mind with a one-time installation for a worry-free experience.
Technologically mature, products stable and reliable, with extensive field experience in oilfields, worry-free purchase, mutual benefits and win-win situation!



































