Endress+Hauser Proline Promass E TB2 HART - Page 101

Proline Promass E TB2 HART Technical data
Endress+Hauser 101
Example for max. measured error
0
±0.5
±0.2
±1.0
[%]
0 1 2 4 6 8 10 12 14 16 18 t/h
A0010443
å 20 Maximum measured error in % o.r. (example: Promass E TB2, DN 25)
Design fundamentals (® ä 102)
Flow values (example)
Turn down
Flow Maximum measured
error
[kg/h] or [l/h] [lb/min] [% o.r.]
250 : 1 72 2.646 3
100 : 1 180 6.615 1.2
25 : 1 720 26.46 0.3
10 : 1 1 800 66.15 0.25
2 : 1 9 000 330.75 0.25
Repeatability o.r. = of reading; 1 g/cm
3
= 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)
Response time • 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