Endress+Hauser Proline Promass E TB2 HART Operating Instructions Manual page 101

Proline Promass E TB2 HART
Repeatability
Response time
Endress+Hauser
Example for max. measured error
[%]
±1.0
±0.5
±0.2
0
0 1 2
å 20 Maximum measured error in % o.r. (example: Promass E TB2, DN 25)
Design fundamentals (® ä 102)
Flow values (example)
Turn down
250 : 1
100 : 1
25 : 1
10 : 1
2 : 1
3
o.r. = of reading; 1 g/cm = 1 kg/l; T = fluid temperature
Mass flow and volume flow (liquids)
±0.125 % o.r.
Mass flow (gases)
±0.35 % o.r.
Design fundamentals (® ä 102)
Density (liquids)
±0.00025 g/cm 3
Temperature
±0.25 °C ± 0.0025 × T °C (±0.45 °F ± 0.0025 × (T–32) °F)
• The response time depends on the configuration (damping).
• Response time in the event of erratic changes in the measured variable: after 500 ms 95 % of the
full scale value
4 6 8 10
Flow
[kg/h] or [l/h]
72
180
720
1 800
9 000
Technical data
12 14 16 18 t/h
Maximum measured
error
[lb/min] [% o.r.]
2.646
6.615
26.46
66.15 0.25
330.75 0.25
A0010443
3
1.2
0.3
101