Endress+Hauser Levelflex FMP53 - Resolution; Response Time; Influence of Ambient Temperature

Levelflex FMP53
34 Endress+Hauser
The following measured error applies in the area of the upper probe end:
2 (0.08)
0 (0)
- 2 (- 0.08)
100 (3.94) 200 (7.87)
10 (0.39)
- 10 (-0.39)
30 (1.18)
- 30 (- 1.18)
40 (1.57)
- 40 (- 1.57)
R
D
DC = 2
DC = 80
A0015091
 21 Measured error at the upper probe end; engineering unit: mm (in)
D Sum of non-linearity, non-repeatability and hysteresis
R Reference point of measurement
DC Dielectric constant
Resolution
• Digital: 1 mm
• Analog: 1 μA
Response time
The response time can be configured. The following step response times (in accordance with DIN EN
IEC 61298-2 / DIN EN IEC 60770-1)
1)
are when damping is switched off:
Level measurement
Probe length Sampling rate Response time
< 10 m (33 ft) 3.6 measurements per second < 0.8 s
< 40 m (131 ft) ≥ 2.7 measurements per second < 1 s
Influence of ambient
temperature
The measurements are performed according to DIN EN IEC 61298-3 / DIN EN IEC 60770-1
• Digital (HART, PROFIBUS PA, FOUNDATION Fieldbus): average T
K
= 0.6 mm/10 K
• Analog (current output):
• Zero point (4 mA): average T
K
= 0.02 %/10 K
• Span (20 mA): average T
K
= 0.05 %/10 K
1) According to DIN EN IEC 61298-2 / DIN EN IEC 60770-1, the step response time is the time that elapses after an abrupt change in the input
signal until the change in the output signal has adopted 90% of the steady-state value for the first time.