Chemical, Acidity and Corrosive Liquid Level Sensor (JC621R-11)¹

Product Description JC621R-11 Chemical, Acidity and Corrosive Liquid Level Sensor IntroductionAs a new liquid level measurement series product, JC621R-11 chemical, acidity and corrosive liquid level sensor is specially designed for measuring sea water level and viscous & corrosive liquid level by completely using foreign state-of-the-art technology. The use of titanium alloy large flush-diaphragm sensors, advanced manufacturing and encapsulating techniques, as well as high-accuracy electronic elements has greatly enhanced service life and comprehensive performance of the product. The use of internationally state-of-the-art ceramic capacitive sensors, dry pressure measuring technology with intermediate liquid, thick-film electronic technology, surface mount technology (SMT) and PFM signal transmission technology has given full play to technical advantages of ceramic capacitive sensors, with strong corrosion, overloading and impact resistance capabilities, high stability, and quite high measuring accuracy. This series product can be extensively used in many measurement and control fields of such corrosive and viscous liquid levels as sea water level.Field Installation DiagramJC621R-11 Chemical, Acidity and Corrosive Liquid Level Sensor Features* Strong corrosive resistance* Large flush-diaphragm design and good block resistance* A wide range of measurement from micro pressure 0.5m to high pressure 200m.* Strong overloading and impact resistance capacity, with overpressure up to dozens of times to hundreds of times of the measuring range.* Adoption of imported ceramic capacitive sensors, with strong signal output, high overall accuracy and good stability.* Small temperature drift due to intermediate liquid canceled for measuring elements.As shown in Figure 1, for installation in the water tank, water tower and other static water, generally the sensing end is directly thrown into the bottom of the water tank as far away from the pump and valve position as possible. The wiring section of the transducer is provided within the junction box, with the outgoing line pointing downward, to prevent water from penetrating into the airway tube of the air-guiding cable. Meanwhile, remember not to block the airway tube.As shown in Figure 2, for installation in the water dam, water well and other flowing water, a steel tube with an inner diameter of approximately φ45mm is generally inserted into the water channel, where some small holes shall be drilled at the same height opposite to the water flow direction so that water can smoothly flow into the tube. The wiring section of the transducer is provided within the junction box, with the outgoing line pointing downward, to prevent water from penetrating into the airway tube of the air-guiding cable. Meanwhile, remember not to block the airway tube.Figure 3 shows threaded or flanged connection of the split liquid level transducer in the open-hole vessel, wherein thread size or flange size are G 1 / 2 and DN20 respectively or customized.Technical ParametersMeasuring range0~0.5m...200mOverload capacityThree times of the maximum rated pressureMeasuring mediaCorrosive liquid (the medium compatible with AL2O3)Overall accuracy±0.25%FS±0.5%FS±1%FSLong-term stabilityTypical:±0.1%FS/yearMaximum:±0.2%FS/yearOperating temperature rangeIntegrated:-20oC~70oCSplit (plug-in):-20oC~80oCCompensation temperature rangeIntegrated:-10oC~55oCSplit (plug-in):-10oC~70oCZero-point temperature driftTypical:±0.02%FS/oCMaximum:±0.05%FS/oCSensitivity temperature driftTypical:±0.02%FS/oCMaximum:±0.05%FS/oCRange of power supply12~36VDC(generally 24VDC)Signal output4~20mA/1~5VDC/O~5VDCLoad resistance≤(U-12)/0.02  ΩStructural materiaEnclosure:316L(optional)Diaphragm:titanium alloySealing:fluorosilicone rubber(optionalCable:Φ7.2mm special PE cable(optional)Insulation resistance100MQ,500VDCProtection classEnclosure protection class IP68Safety and explosion protectionEx ia ll CT5Response time≤2 msResolutionInfinitely small (theoretic),1/100000 (normal)WeightApprox.250gOrdering InformationTips for Type Selection1. The medium to be measured shall be compatible with the material contacting with the product. Meanwhile, the density of the medium to be measured during measurement shall be indicated (except for water).2. As an additional function code for type selection, the code "E" for intrinsically safe explosion-proof type Ex ia II CT5 denotes that power source must be supplied via safety barrier.3. The length of cables shall be L = X m + 1m. Please indicate any extension (if needed) when placing an order. There are two kinds of cable materials. By virtue of its more flexibility and good wear resistance, polyurethane material can be selectively used. Where no special requirement is indicated, cables to be supplied shall be made of PVC material.4. The corresponding relationship of 1m water columns with pressure under standard conditions ( i.e. 4oC, g = 9.80665 m / S2):1mH2O=0.1kgf/cm2(Kgf /cm2)=9.8kPa(KPa).5. For other special requirements, please discuss with us and clearly indicate them in the order. Main ProductsOur products have been fallen into six categories totaling hundreds of specifications in dozens of series. Main products include: high-accuracy pressure sensor, general-purpose pressure transmitter, liquid level transmitter, anti-lightning/anti-corrosive liquid level transmitter, special pressure transmitter for air conditioner, refrigeration and compressor, special pressure transmitter for oilfield and mining well, economical pressure sensor and transmitter, ceramic capacitor pressure transmitter, vacuum pressure transmitter, sapphire pressure transmitter, digital pressure transmitter, micro differential pressure / air pressure transmitter, intelligent digital pressure gauge, intelligent digital pressure switch, anti-corrosive pressure transmitter, anti-explosive pressure transmitter, hygienically flat-membrane pressure transmitter, high-temperature pressure transmitter, high-frequency pressure transmitter, micro pressure transmitter, integrated temperature transmitter, and capacitance pressure transmitter.Company ProfileEstablished in 2006, Nanjing Jiucheng technology Co., Ltd is R&D and production of pressure measuring and controlling instruments. It has introduced the internationally advanced production technology, equipment and process as well as strict product quality standards and ODM cooperation concept to China, so as to manufacture and sell JC pressure / differential pressure / liquid level sensors and transmitters in mainland China.Workshop & EquipmentExhibition & Our PartnersPackaging & ShippingFAQ1.Q: Are you manufacturer or trading company? A: We are manufacturer which established for 19 years.2.Q: What's your advantage?A: We are your technical solutions provider and specialists in resolving complex operational challenges.3. Q: What is lead time of your product?A: 7-15 working days with customization.4. Q: Can you provide customized products? A: Yes, we can laser mark your logo on products; OEM and ODM customization are welcomed.5. Q: What is your MOQ?A: We have no MOQ limit, even 1 pieces is acceptable.6.Q:What's your transport?A: Express such as DHL, FedEx, TNT, UPS for freight prepaid; and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.7.  Q: Do you provide customized products? A: Yes, we can laser mark your logo, model and product information according to your requirement. We provide OEM and ODM service.8.Q: What is the warranty of your products? And after-sales service? A: Our warranty time is 12 months after shipment, and our after-sales DPT will respond with your questions in 24hrs, remote instruction by PC network is always available.   

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