Micropilot FMR62
Endress+Hauser 25
Performance characteristics
Reference operating
conditions
• Temperature = +24 °C (+75 °F) ±5 °C (±9 °F)
• Pressure = 960 mbar abs. (14 psia) ±100 mbar (±1.45 psi)
• Humidity = 60 % ±15 %
• Reflector: metal plate with diameter ≥ 1 m (40 in)
• No major interference reflections inside the signal beam
Reference accuracy
Typical data under reference operating conditions: DIN EN IEC 61298-2 / DIN EN IEC 60770-1;
percentage values in relation to the span.
Output: digital analog
1)
Accuracy (sum of non-
linearity, non-repeatability
and hysteresis)
2)
Measuring distance up to 0.8 m (2.62 ft): max.
±4 mm (±0.16 in)
±0.03 %
Measuring distance > 0.8 m (2.62 ft): ±1 mm (±0.04 in) ±0.02 %
Non-repeatability
3)
≤1 mm (0.04 in)
1) Add error of the analog value to the digital value.
2) If the reference conditions are not met, the offset/zero point resulting from the installation conditions can
be up to ±4 mm (0.16 in). This additional offset/zero point can be compensated for by entering a
correction ("Level correction" parameter) during commissioning.
3) The non-repeatability is already considered in the accuracy.
Differing values in near-range applications
0.8 (2.62)
4 (0.16)
1 (0.04)
-1 (-0.04)
-4 (-0.16)
D [m (!)]
∆
[mm (in)]
R
0
A0032636
13 Maximum measured error in near-range applications
Δ Maximum measured error
R Reference point of the distance measurement
D Distance from reference point of antenna
Measured value resolution
Dead band according to DIN EN IEC 61298-2 / DIN EN IEC 60770-1:
• Digital: 1 mm
• Analog: 1 µA
Response time
In accordance with DIN EN IEC 61298-2 / DIN EN IEC 60770-1, the step response time is the time
following an abrupt change in the input signal up until the changed output signal has adopted 90%
of the steady-state value for the first time.
The response time can be configured.
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