Endress+Hauser Proline Promass I 300 - Input

Technical data Proline Promass I 300 PROFINET
230 Endress+Hauser
16.3 Input
Measured variable Direct measured variables
• Mass flow
• Density
• Temperature
• Viscosity
Calculated measured variables
• Volume flow
• Corrected volume flow
• Reference density
Measuring range Measuring range for liquids
DN Measuring range full scale values 
min(F)
to 
max(F)
[mm] [in] [kg/h] [lb/min]
8 ³⁄₈ 0 to 2 000 0 to 73.50
15 ½ 0 to 6 500 0 to 238.9
15 FB ½ FB 0 to 18 000 0 to 661.5
25 1 0 to 18 000 0 to 661.5
25 FB 1 FB 0 to 45 000 0 to 1 654
40 1½ 0 to 45 000 0 to 1 654
40 FB 1½ FB 0 to 70 000 0 to 2 573
50 2 0 to 70 000 0 to 2 573
50 FB 2 FB 0 to 180 000 0 to 6 615
80 3 0 to 180 000 0 to 6 615
FB = Full bore
Measuring range for gases
The full scale value depends on the density and the sound velocity of the gas used and can
be calculated with the formula below:

max(G)
= minimum (
max(F)
· ρ
G
: x ; ρ
G
· c
G
· π/2 · (d
i
)
2
· 3600)

max(G)
Maximum full scale value for gas [kg/h]

max(F)
Maximum full scale value for liquid [kg/h]

max(G)
< 
max(F)

max(G)
can never be greater than 
max(F)
ρ
G
Gas density in [kg/m³] at operating conditions
x Constant dependent on nominal diameter
c
G
Sound velocity (gas) [m/s]
d
i
Measuring tube internal diameter [m]