Huba pressure level transmitter
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Pressure level transmitter 681
Pressure level transmitter 712
The level sensing transmitter of type 681 with piezoresistive measuring elements have compensated, adjusted and amplified sensor signals which are available as standard voltage or current outputs. In the immersion-sensor version with a salt water and oil-resistant connection cable they are specially suited for level measurement, even in the presence of corrosive liquids.
The cable incorporates a tube for compensation of the ambient pressure.
Manufactured from stainless steel, its welded construction provides a watertight seal.
Mechanically protected diaphragm due
to special head design Supplementary weight (option) improves
stabilization of sensor in turbulent media Effective overload protection due to
chemically etched chip diaphragm and
specially designed glass gland Compact construction using SMD
technology, enhances operational
reliability in the presence of shock and
vibration Welded construction provides 100%
sealing against media
Technical overview
1)
Pressure ranges
Relative 0 ... 25 bar
Absolute
The level sensing pressure transmitter Type 712 is manufactured using a relative and absolute pressure measuring cell with an adjusted and amplified sensor signal and is available with various cable lengths from 2 to 30 meters. The Type 712 offers EX protection as well as versions with integrated temperature measurement.
In addition to voltage and current outputs the Type 712 is available with ratiometric outputs.
suitable for drinking water intrinsically safe execution with voltage-
and current output with integrated temperature
measurement suitable for fitting in 1-inch pipe
Technical overview
Pressure range
Relative 0.0 ... 0.3 2.5 bar
Absolute 0.8 ... 1.4 3.0 bar
Operating conditions
1)
Fuel oil, ultra-light SN 181 160-2
1)
Fuel oil, heavy SN 181 160-2
1)
Medium Diesel oil
1)
Benzine
Water
Medium and ambient -20 ... +80 ¨¤
Temperature
Storage -40 ... +80 ¨¤
Overload &nbs
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