Home > Products > double-layer leakage detector > Gas/fueling station double layer oil tank leak detector/gas leakage detector/water leakage detector
Gas/fueling station double layer oil tank leak detector/gas leakage detector/water leakage detector
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Product Details
Place of Origin: | Shandong, China | Brand Name: | GUIHE | Model Number: | SYW-E+GH-SLI |
Usage: | Other, tank leakage detector |
Product Description
Gas/fueling station double layer oil tank leak detector/gas leakage detector/water leakage detector
I. Working principle
SYW-E leak detection sensor consists of piezoelectric crystal, oscillating circuit, rectifier circuit and microprocessor etc. Piezoelectric crystal and oscillating circuit generate square wave with a certain frequency, and the square wave frequency is the natural frequency of vibration of piezoelectric crystal, belonging to the physical property of sensor. When oscillator plate of sensor gets in touch with liquid, vibration frequency will change significantly; this frequency change is collected and perceived by microprocessor inside the shell, and the microprocessor and peripheral circuit judge that the contact liquid is oil or water according to the change of frequency, and hereby infer that inner leakage or outer leakage happens to double-compartment tank. This sensor is not disturbed by the liquid structure, turbulence, agitation, vibration and other circumstances, and not limited by the light, with impact resistance, which can adapt to more complex scene environment. In addition, compared with leak detection sensors with other principles, this sensor is featured by stronger anti-interference ability.
II. Range of application
SYW-E leak detection sensor is applicable to leakage test of oil and water of interlayer chamber of double-compartment (wall) oil tank and surface borehole, and can also be used as high liquid level alarm of gas station and oil depot.
III. Performance
1. This sensor is equipped with fault self-checking function, free from artificial fault test;
2. This sensor is equipped with oil-water differentiation function, which can provide basis for judging leakage of inner tank or leakage of outer tank;
3. This sensor is equipped with flange, placed firmly and installed easily;
4. This sensor adopts RS485 communication and reduces wiring cost;
5. This sensor adopts oil resistant and corrosion resistant cable, which is durable in use.
IV. Technical parameters
1. Response time<1S
2. Working voltage: +12~14VDC
3. Working current: 25~30mA
4. Working temperature: -40℃~+60℃
5. Precision of leakage liquid level detection: <3mm
6. Explosion-proof sign: ExiaIIBT4Ga
V. Wiring and installation
1. Wiring manner of this sensor is 485 bus-based. For site wiring and installation, please refer to “Attachment I Explanations of Site Wiring and Installation”.
2. Electrical connection: for electrical connection manner, please refer to “Attachment II Schematic Diagram of Electrical Connection Manner”.
This sensor adopts RS485 communication mode, so dial switch addressing is used. For setting model, please refer to “Attachment III Instructions of Dial Switch”.
VI. Precautions for use
1. SYW-E leak detection sensor and GH-SLI double-layer tank leak detector shall be used together composed of intrinsically safe explosion-proof system, which can be applicable to hazardous area.
2. GH-SLI double-layer tank leak detector must be placed in non-hazardous area without any explosive gas mixture. SYW-E leak detection sensor belongs to intrinsically safe products and guard grating of associated apparatus shall be installed when connected with GH-SLI double-layer tank leak detector; its connecting cable is four-core shielded wire (with insulating sheath), and its shielding layer and ground terminal of GH-SLI double-layer tank leak detector are earthed in safe location.
3. Influence of electromagnetic interference shall be eliminated as far as possible during cable wiring and distributed capacitance of cable shall be less than 1.0µF and distributed inductance less than 1mH.
4. User shall not arbitrarily replace components and parts of sensor, which will affect explosion-proof performance of product, and shall solve fault in operation together with product manufacture so as to completely eradicate accident.
5. Installation, use and maintenance of product shall be in conformity with product manual, GB3836-2010 explosion-proof criteria, gasoline station design and construction specification and national standards; in addition, the product must be equipped with electrical apparatus for explosive atmospheres and installed by unit with use and maintenance qualification.
Qingdao guihe measurement & control technology co.,ltd (guihe measurement & control) is one famous factory that produce word’s advanced Magnetostrictive liquid level meter series products and oil jars of the calibration system; and supply the professional services . we specialized in the research & development , production sales for Gas station liquid level meter,Double-layer tank leakage detector,Double-layer pipeline leakage detector ,Tank car cehicle-mounted liquid level meter,Tank volume table calibration system ,High level alarm ,Human body electrostatic discharge alarm and other new products.
Our products are independent R&D production,and achieved many national invention patents ,Implement the concept of customer needs first. Cost-effective products and good service win the customs trust and support. In future ,we will continuously make exploration and innovations,and focus on the product development and the utilization of the technology to improve our quality and offer a compete range of new products for the customers.
We are willing to conduct extensive cooperation with companies ,we sincerely hope to become your trustworthy partner!
Contact Us
- Qingdao Guihe Measurement & Control Technology Co., Ltd.
- Contact nameANNA ANNA
- Phone86-532-88193877
- Address(No. 108, Original Changcheng Road) Tangdaowan Road, Huangdao Dist.
double-layer leakage detector | Gas alarm | High level alarm | Human body electrostatic discharge alarm |
liquid level guage (ATG) | New Products | Tank volume table calibration system |
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