111
Specifications and Reference Data
Specifications and Reference Data
March 2016
Reference Manual
00809-0100-4772, Rev FA
Note
1-in. (25 mm), and 1.5-in. (40 mm) weld to Schedule
80 mating pipe
Optional LCD display
The optional LCD display is capable of displaying:
If more than one item is selected, the display will scroll
through all items selected.
Enclosure rating
FM Type 4X; CSA Type 4X; IP66
Damping
Flow Damping adjustable between 0.2 and 255 seconds.
Process Temperature Damping adjustable between 0.4 and
32.0 seconds (MTA Option Only).
Response time
Three vortex shedding cycles or 300 ms, whichever is
greater, maximum required to reach 63.2% of actual input
with the minimum damping (0.2 seconds).
Turn-on time
F
OUNDATION Fieldbus
Less than six (6) seconds plus the response time to rated
accuracy from power up (less than 8 seconds with the
MTA Option).
Transient protection
The optional transient terminal block prevents damage to
the flowmeter from transients induced by lightning,
welding, heavy electrical equipment, or switch gears. The
transient protection electronics are located in the terminal
block.
The transient terminal block meets the
following specifications:
IEEE C62.41 - 2002 Category B
3 kA crest (8 X 20 μs)
6 kV crest (1.2 X 50 μs)
6 kV/0.5 kA (0.5 μs, 100 kHz, ring wave)
Security lockout
When the security lockout jumper is enabled, the
electronics will not allow you to modify parameters that
affect flowmeter output.
Humidity limits
Operates in 0–95% relative humidity under non-condensing
conditions (tested to IEC 60770, Section 6.2.11).
Flow calibration
Meter bodies are flow-calibrated and assigned a unique
calibration factor (K-factor) at the factory. The calibration
factor is entered into the electronics, enabling
interchangeability of electronics and/or sensors without
calculations or compromise in accuracy of the calibrated
meter body.
Flow calibration information
Flowmeter calibration and configuration information is
provided with every flowmeter. For a certified copy of flow
calibration data, Option Q4 must be ordered in the model
number.
Permanent pressure loss
The approximate permanent pressure loss (PPL) from the
flowmeter is calculated for each application in the Vortex
sizing software available from your local Rosemount
representative. The PPL is determined using the equation:
where:
FOUNDATION Fieldbus
Flow
Percent of Range
Process Temperature (MTA only)
Process Density (MTA only)
Shedding Frequency
Electronics Temperature (MTA only)
Integrator Output
PPL = Permanent Pressure Loss (psi or kPa)
Where:
ρ
f
= Density at operating conditions (lb/ft
3
or kg/m
3
)
Q = Actual volumetric flow rate (Gas = ft
3
/min or
m
3
/hr; Liquid = gal/min or l/min)
D = Flowmeter bore diameter (in. or mm)
A = Constant depending on meter style, fluid type
and flow units. Determined per Table A-4.
PPL
A
ρ
f
× Q
2
×
D
4
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