Displacer level transmitter BW 25
for liquidsHART4-20 mA

displacer level transmitter
displacer level transmitter
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Characteristics

Technology
displacer
Medium
for liquids
Interface
HART, 4-20 mA
Applications
for hazardous areas, for bypass chambers
Other characteristics
ATEX, loop-powered, IP67
Level range

Max.: 5.5 m (18'00")

Min.: 0.3 m (0'11")

Process pressure

Max.: 400 bar (5,801.51 psi)

Min.: -1 bar (-14.5 psi)

Process temperature

Max.: 400 °C (752 °F)

Min.: -40 °C (-40 °F)

Description

Displacer level transmitter for heavy-duty level and interface applications • Continuous measurement of level, liquid-liquid interface or density at extreme process conditions • Measuring range: 0.3…5.5 / 1…18 ft • Density: ≥0.45 kg/l /≥28.1 lb/ft3 • -40…+400°C / +752°F; -1…400 barg / -14.5…10000 psig The BW 25 is a loop-powered displacer level transmitter for measuring and/or detecting liquid level or liquid-liquid interface under extreme process conditions. It can deal with corrosive media, high temperatures (up to +400°C / +752°F) and high pressures (up to 400 barg / 5800 psig). The BW 25 can be used as level indicator without the need of auxiliary power supply. Equipped with a switch module the unit can be used as level switch. With a transmitter module, the unit will function as level transmitter. The three function modes can be combined. Retrofitting the device for receiving add-on functionality is possible without interrupting the process. The BW 25 can also be installed in a bypass chamber, e.g. for applications with agitators. Product highlights • Transmitter, level switch and indicator in one device • Easy adjustable level switch with max. 2 set points • Can be used as mechanical indicator without auxiliary power supply • Modular design for retrofitting under process conditions • Welded process seal with external mount housing Typical applications • Tanks with hydrocarbons, solvents, bases at extreme process conditions • Interface measurement with large emulsion layers • Bypass chamber for applications with agitators • Applications in non-hazardous and hazardous areas
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.