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Hydrostatic Pressure Type Level Transmitter
Model Name
HT-100P Series
Series
Level Instrument
Data
카탈로그-하이트롤-레벨계-압력식 레벨 전송기-HT-100P 시리즈
Manufacturer information
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HITROL
Korea’s top class Flow and Level Instruments manufacturer with 45 years of history
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Manufacturer
HITROL
Brand
-
SKU
130004
Product Name
Hydrostatic Pressure Type Level Transmitter
Model Name
HT-100P Series, HT-100PT, HT-100PS
Size
-
Weight
-
Product Details

Overview

HT-100P Series is a Hydrostatic Pressure Type Level Transmitter installing on top or side of tank continuously measures the liquid levels in the tank. It measures hydrostatic pressure and converts it to the current output, DC 4~20mA. It can be widely used in various industries such as PC Tank, Dam Surge Tank, Sluiceway, River and Wastewater without special work.

 

 

 

Characteristics

- Installation on top or side of tank

- Easy installation and maintenance

- No effect by a conductivity or composition change of medium

- High sensitive sensor is used.

- NAMUR NE43 is applied.

 

 

 

Operation Principle and Composition

 

- Piezoresistive Pressure Transducer is a sensor to continuously measure a hydrostatic pressure of a liquid according to the certain height of the liquid column. Hydrostatic pressure is calculated using the equation given below.

P=p x g x h

[P= Hydrostatic Pressure, p=Density of Liquid, g=Gravity of Acceleration, h=Height of Liquid Column]

- As seen in above equation, if density of liquid does not change, measured hydrostatic pressure is detected as an electric signal proportional to the height of liquid column, since the height of liquid column is only variable.

 

 

 

 

Specification

 

 

 

Wiring

- When wiring of power supply, + - should be wired correctly.

- Power source should be DC+17V ~ +40V.

- Power should be applied after completion of installation and wiring.

 

 

 

 

Setting

- Zero/Span adjustment is not required if there is no change of density or measuring range (Factory set according to measuring range and density of the medium).

- Zero/Span can be adjusted within ±10% of full scale if there is any change of density or measuring range caused by change of process condition.

- In order to set 0%, the pressure sensor should be positioned in atmospheric and turn the Zero Volume to current output of 4mA.

- In order to set 100%, the pressure sensor should be installed in the tank with filling of liquid to the desired full range level and turn the Span Volume to current output of 20mA.

 

Caution Maintenance
1) Touching or pushing to the diaphragm receiving pressure by anything of sharp object such as awl should be avoided and pay more attention not to damage to the sensor during installation. 
 
2) For signal transmission cable, the shield cable should be used. 
 
3) Except wiring or setting, the housing cover should be always closed.
1) The Diaphragm should be periodically (about 2-3 months) cleaned using fresh water in order to avoid blockage of the diaphragm by any substance. 
 
2) Zero/Span can be adjusted within ±10% of full scale if there is any change of density or measuring range caused by change of process condition.



 

 

Dimension


◈ Actual product may have a tolerance slightly.

 

 

 

Installation

Below recommendation should be considered when installation.

 


Product should be installed at the place far from inlet in order to avoid the malfunction.


Protection tube should be applied if there is a flow or slopping of the medium in the tank.


Valve should be installed between the tank nozzle and sensor when the installation to the side of tank.

 

 

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HITROLKorea’s top class Flow and Level Instruments manufacturer with 45 years of history
As a manufacturer of top class flow & level instruments in Korea, we are devoting our energy into R&D and manufacturing of high quality products, obtaining of the control measurement technology in global level, have been being supplied our products and technologies to the government and public institution and major company such as KHNP, KOGAS, K water, etc. in the basis of high reliability and high quality certification. We have been expanded the market to advanced countries such as USA and Germany, are paying more attention for export to overseas countries, in deed as well as in name, it is growing to this day as a pioneer in technology industry of state-of-the-art instrumentation and control from the 40 years history. A lot of experience, our all executives and staff members are practice with continuous technological innovation and sense of duty for localization research and development, and it is future technology company that overcome the difficulties in the fierce international competition and prepare, and also for a healthy and substantial development of strategic. It also set 2020 as a leap year, is committed to the customers and inventories and national competitiveness as the goal World Hitrol, a true technology-based business.
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