Promass 40 10 Technical data
Endress+Hauser 53
10.1.6 Performance characteristics
Reference operating
conditions
Error limits following ISO/DIS 11631:
• 20...30 °C; 2...4 bar
• Calibration systems as per national norms
• Zero point calibrated under operating conditions
• Density adjustment performed
Maximum measured error The following values refer to the pulse/frequency output.
Measured error at the current output is typically ±5
µA.
Mass flow (liquid)
±0.5% ± [(zero point stability / measured value) x 100]% o.r.
Mass flow (gas)
±1.0% ± [(zero point stability / measured value) x 100]% o.r.
Volume flow (liquid)
±0.7% ± [(zero point stability / measured value) x 100]% o.r.
o.r. = of reading
Zero point stability, Promass E:
Maximum measured error in % of reading (example: Promass 40 E / DN 25)
Calculation example (mass flow, liquid):
Given: Promass 40 E / DN 25, flow = 8000 kg/h
Measured error: ±0.5% ± [(zero point stability / measured value) x 100]% o.r.
Measured error
→ ±0.5% ± = ±0.523%
DN Maximum full scale value
[kg/h] or [l/h]
Zero point stability
[kg/h] or [l/h]
8 2000 0.20
15 6500 0.65
25 18000 1.8
40 45000 4.5
50 70000 7.0
F06-4xExxxxx-05-xx-xx-xx-008
1.8 kg/h
8000 kg/h
-------------------------- -
100 %⋅
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