Technical data Proline Promass I 100 Modbus RS485
84 Endress+Hauser
Wide-range density specification (special density calibration)
If the process temperature is outside the valid range ( 81) the measured error is
±0.0001 g/cm
3
/°C (±0.00005 g/cm
3
/°F)
[kg/m ]
3
-40
0
-80
40 80 120 160 200 240 280 320
-50
0
50
100 150
0
2
4
6
8
10
14
12
16
1
2
[°C]
[°F]
A0016614
1 Field density calibration, for example at +20 °C (+68 °F)
2 Special density calibration
Temperature
±0.005 · T °C (± 0.005 · (T – 32) °F)
Influence of medium
pressure
The table below shows the effect on accuracy of mass flow due to a difference between
calibration pressure and process pressure.
o.r. = of reading
DN [% o.r./bar] [% o.r./psi]
[mm] [in]
8 ³⁄₈ no influence no influence
15 ½ no influence no influence
15 FB ½ FB –0.003 –0.0002
25 1 –0.003 –0.0002
25 FB 1 FB no influence no influence
40 1½ no influence no influence
40 FB 1½ FB no influence no influence
50 2 no influence no influence
50 FB 2 FB –0.003 –0.0002
80 3 no influence no influence
FB = Full bore
Design fundamentals o.r. = of reading, o.f.s. = of full scale value