Answer / amol j

Annubar is one type of Flow element, i.e. primary element
for flow measurement. Some others are Flow Nozzles, pitot
tube,Ventury Tube,Aerofoil etc.)
Annubar basically measures DP (Differencial Pressure) and
has Diamond shaped sensor used for this.
In next generation , instead of diamond shape, an improved
Aerodynamic Bullet Shape flow element is available, it is
called Verabar. Advantage: Better accuracy, operating
range, signal stability and resistance to clogging.

Answer / abdul raheem. mohamed

An annubar is similar to a pitot tube used to measure the
flow of gas or liquid in a pipe.

Answer / anil kumar dhyani

it is primary element to measure for air or gas flow at low
pressure high flow rate

Answer / raghib haidar

it is primary element measure for very low flow

Answer / iftekhar ahmad

An Anubar has more then one hole into pressure measuring chember.
The pressure in the high pressure chember represents the average of the velocity across pipe line.

Answer / pankaj

anubar is nothing but a pitot tube. AnuBar is brand name
given to Rosemount ( now emerson) make pitot tube with
little modification.

Answer / g pravin

An annubar is a flow measurement device,which is used to
measure the flow of liquid in a pipe at low pressure high
flow rate.

-200mmwc to 500mmwc range transmitter have there 4mA is -200 and 20mA is 500.what is the range in 12mA?

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We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets grounded in field, the 24v supply to all loops gets dipped & all the indications at DCS goes to IOP(shows input open), at present we have fixed 500mA fuses in all the lines but which does not working. Does it required to replace with lower amps fuse, then how much or is there any other solution for this.

2 Answers