KROHNE CORIMASS G-MFM 4085 EN - Manual (Page 96)

96
Part D Technical Data, Measurement principle and Block
diagram
10. Technical Data
10.1 Measuring ranges and error limits
CORIMASS MFM 4085 K&KM 10 G 100 G 300 G 800 G 1500 G 3000 G
Measuring ranges
(*see “Reference conditions” below)
Nominal flow rate 10 kg/min 100 kg/min 300 kg/min 800 kg/min 1500 kg/min 3000 kg/min
600 kg/h 6000 kg/h 18000 kg/h 48000 kg/h 90000 kg/h 180000 kg/h
22 lb/min 220 lb/min 660 lb/min 1760 lb/min 3300 lb/min 6600 lb/min
Useable range 20 kg/min 200 kg/min 600 kg/min 1600kg/min 3000 kg/min 6000 kg/min
1200 kg/h 12000 kg/h 36000 kg/h 96000 kg/h 180000 kg/h 360000 kg/h
44 lb/min 440 lb/min 1320 lb/min 3520 lb/min 6600 lb/min 13200 lb/min
Min. flow rate 0.25 kg/min 2 kg/min 5 kg/min 15 kg/min 25 kg/min 50 kg/min
15 kg/h 120 kg/h 300 kg/h 900 kg/h 1500 kg/h 3000 kg/h
0.55 lb/min 4.4 lb/min 11 lb/min 33 lb/min 55 lb/min 110 lb/min
Measuring accuracy / error limits (See reference conditions below)
Mass flow better than ± (0.15% of MV + Cz)
Density
(range 0.5 - 2 g/cm 3 or 30-125 lb/ft 3 , field
calib.)
± 0.009 g/cm 3 ± 0.003 g/cm 3 ± 0.002 g/cm 3 ± 0.002 g/cm 3 ± 0.002 g/cm 3 ± 0.002 g/cm 3
± 0.56 lb/ft 3 ± 0.19 lb/ft 3 0.13 lb/ft 3 0.13 lb/ft 3 0.13 lb/ft 3 0.13 lb/ft 3
Temperature (within temperature range) ≤ 1 ° C/1.8 ° F ≤ 1 ° C/1.8 ° F ≤ 1 ° C/1.8 ° F ≤ 1 ° C/1.8 ° F ≤ 1 ° C/1.8 ° F ≤ 1 ° C/1.8 ° F
Zero stability ± 0.0005kg/ min
± 0.005 kg/min ± 0.015 kg/min ± 0.04 kg/min ± 0.075kg/min ± 0.150 kg/min
± 0.0011lb/ min ± 0.011 lb/min ± 0.033 lb/min ± 0.088 lb/min ± 0.163 lb/min ± 0.326 lb/min
Repeatability better than ± (0.04% of MV + Cz)
MV = measured value
zero stability × 100%
mass flow
*Reference conditions (pulse output)
Liquid Water at 20 ° C / 68 ° F
Ambient temperature 20 ° C / 68 ° F
Operating pressure 2 bar / 29 psig
Cz [ % ] =
} {