Endress+Hauser HART Proline Promass 83, Руководство по эксплуатации

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Proline Promass 83 Technical data
Hauser 111
10.6 Performance characteristics
Reference operating
conditions • Error limits following ISO/DIN 11631
• Water, typ15 to +45 °C (+59 to +113 °F); 2 to 6 bar (29 to 87 psi)
• Data according to calibration protocol ±5 °C (±9 °F) and ±2 bar (±29 psi)
• Accuracy based on accredited calibration rigs according to ISO 17025
Performance characteristic
Promass A o.r. = of reading; 1 g/cm
3
= 1 kg/l; T = medium temperature
Maximum measured error
The following values refer to the pulse/frequency output.
The additional measured error at the current output is typically ±5
μ
A.
Design fundamentals
→
112.
• Mass flow and volume flow (liquids): ±0.10% o.r.
• Mass flow (gases): ±0.50% o.r.
• Density (liquids)
– Reference conditions: ±0.0005 g/cm³
– Field density calibration: ±0.0005 g/cm³
(valid after field density calibration under process conditions)
– Standard density calibration: ±0.02 g/cm³
(valid over the entire temperature range and density range
→
132)
– Special density calibration: ±0.002 g/cm³
(optional, valid range: +5 to +80 °C (+41 to +176 °F) and 0.0 to 2.0 g/cm³)
• Temperature: ±0.5 °C ± 0.005 · T °C; ±1 °F ± 0.003 · (T - 32) °F
Zero point stability
Example for max. measured error
a0003401
Fig. 50: Max. measured error in % o.r. (example: Promass A, DN 2)
DN Max. full scale value Zero point stability
[mm] [inch] [kg/h] or [l/h] [lb/min] [kg/h] or [l/h] [lb/min]
1 1/24 20 0.73 0.0010 0.000036
2 1/12 100 3.70 0.0050 0.00018
4 1/8 450 16.5 0.0225 0.0008
0
±0.5
±0.1
[%]
0 50 100
kg/h
±0.2
±0.3
±0.4
10 5 20 30 40 60 70 80 90