ABB FSM4000 - DAC Max; Magn. Linearity; SNR (Signal-to-Noise Ratio)

102 FSM4000 ELECTROMAGNETIC FLOWMETER | OI/FSM4000-EN REV. E
… 8 Operation
… Additional information regarding use of enhanced diagnostic functions
Parameter
Minimum value Maximum value
Accidental coil ground
10 MΩ 99.9 MΩ
DAC max
100
Design level of the flowmeter
sensor
Nominal diameter
A
B
DN 1 to2 (1/25 to1/12”)
500
-
DN 3 to10 (1/10 to3/8”) 300 300
DN 15 (1/2“)
400
300
DN 20 to25 (3/4 to1”) 400 400
DN 32 (1 1/4”)
400
500
DN 40 to50 (1 1/2 to2”) 500 500
DN 65 (2 1/2”)
400
300
DN 80 (3“) 500 300
DN 100 to125 (4 to5”)
500
600
DN 150 (6“) 400 600
DN 200 to300 (8 to12”)
400
700
DN 350 to400 (14 to16”) 500 700
DN 450 to1000 (18 to40”)
700
700
Magn. linearity
This value depends on the measuring medium temperature T
medium
T
medium
T
medium
−40 °C (-40 °F)
Factory fingerprint x 0.86
−40 °C (-40 °F)
Factory fingerprint x 0.95
−20 °C (-4 °F) Factory fingerprint x 0.90 −20 °C (-4 °F) Factory fingerprint x 1
0 °C (32 °F)
Factory fingerprint x 0.93
0 °C (32 °F)
Factory fingerprint x 1.03
20 °C (68 °F) Factory fingerprint x 0.95 20 °C (68 °F) Factory fingerprint x 1.05
60 °C (140 °F)
Factory fingerprint x 1
60 °C (140 °F)
Factory fingerprint x 1.10
90 °C (194 °F) Factory fingerprint x 1.05 90 °C (194 °F) Factory fingerprint x 1.16
130 °C (266 °F)
Factory fingerprint x 1.09
130 °C (266 °F)
Factory fingerprint x 1.21
180 °C (356 °F) Factory fingerprint x 1.14 180 °C (356 °F) Factory fingerprint x 1.26
SNR (signal
-to-noise ratio) 60 % of the commissioning fingerprint or a higher value,
depending on the application.
100 %