Listing ID #237286
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Contact SupplierWe have Gas Flow Meters within the working range of the meter the rotor spins proportional to the actual velocity of gaseous material flowing. A pick-up coil produces an electrical signal as each blade crosses through its low magnetic or rf
field. This signal is amplified and conditioned by a transmitter or fed directly into a rate/totalizer, and represents the actual cubic feet per minute (acfm) flowing
through the meter. The k-factor is stenciled on the meter body in pulses per actual cubic feet (p/acf). Because gases are compressible, most people desire
to measure the equivalent amount of gas corrected for
the line pressure and temperature to standard cubic
feet per minute (scfm at 60â°f, 14.69 psia). If the flow temperature and pressure are relatively constant, then a simple correction can be calculated to shift the
k-factor from p/acf to p/scf and a simple totalizer
(measurement systems india make ) may be used. When flow
temperature and pressure are not constant, a flow computer.
specifications
linearity 1
â±1.0%/0.5%
repeatability 1
â±0.25%
maximum over-range
125% of flow rate for intermittent periods
frequency output
0 to 1,100 hz
voltage output
approximately 100 mv@ 100 hz to 1.5 v (rms)@
1,000 hz.
Pressure drop
0.5 psi at 100% of flow range
pressure rating we manufacture flowmeters for most pressures.
installation
vertical or horizontal (any direction).
Materials of construction
body: 316 l stainless steel.
Flanges: 316 stainless steel
rotor: 431 stainless steel.
Rotor shaft/bearings:
standard: tungsten carbide v-cup
cartridge frame retainer: 302 stainless steel
cartridge frame: 316 l stainless steel.
Temperature range:meter with bearing structure of:
standard: tungsten carbide: -40â°f to 300â°f (-40â°c to 149â°c).
For other temperatures consult factory.