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Beijing Hengpudewei Instrument Co., Ltd

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    hpdewe@126.com

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    4th Floor, Building 5, Xinhai East Road, Tongzhou District, Beijing

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HP2088 Input Liquid Level Gauge

NegotiableUpdate on 10/05
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Overview

Overview: Adopting a diffusion silicon pressure sensor with a fully hard sealed structure

Product Details

Overview

◆ Adopting a diffusion silicon pressure sensor with a fully hard sealed structure. High reliability and good stability

◆ Suitable for oil level measurement of open oil tanks and floating roof oil tanks. And it can set the density of oil products on site, with heavy self compensation function

◆ Suitable for measuring the liquid level of corrosive liquids in the fields of petroleum, chemical, environmental protection, etc

◆ Suitable for measuring high-temperature liquids

◆ Suitable for measuring water levels in water companies, reservoirs, water towers, urban water supply and drainage systems, wells, and reservoirs

◆ Featuring 'intrinsic safety' performance, it can be installed on“0”District

working principle

HP2088The series of input type liquid level sensor transmitters adopt the principle of static hydraulic measurement. When the measuring head is placed in the liquid, the atmospheric pressure is set toPoThe liquid level to the height of the measuring element ishThe liquid density isrThe local gravitational acceleration isgThe pressure exerted on the transmitter probe is:Pl=Potenr×g×hThe pressure exerted on the negative side of the sensitive element, which is connected to the atmosphere through an air conducting cable, is:P2=PoSo the pressure difference measured by the measuring element is:P= PloneP2=r×g×hFor specific liquid media and defined regions,randgAll are constants, thereforeP口hThe depth of the liquid can be obtained by measuring the output current of the instrument.

Main technical parameters

◆ Reference range:0-1mThe0-2mThe0-5mThe0-l0mThe0-15mThe

0-20mThe0-50mThe0-100mThe0-200m

◆ Output signal:4-20mA(DC)

0-10mA(DC)

HARTProtocol modulation signal TheFFBus digital signal

◆ Accuracy level: soil0.1%F.S, soil0.2%F.S, soil0.5%F.S

◆ Medium temperature:-20-60℃、0-80℃、0-100℃、0-250℃

◆ Working Voltage24V(DC)

◆ load resistor0~600ohm

◆ Overload capacity: reference range1.5times

◆ Explosion proof type:ExiaⅡCT4-6(intrinsically safe)

◆ Stability: not exceeding the accuracy of the transmitter within one year