Technical data Levelflex M FMP40 FOUNDATION Fieldbus
102 Endress+Hauser
10.1.4 Performance characteristics
Reference operating
conditions
• temperature = +20 °C ±5 °C
• pressure = 1013 mbar abs. ±20 mbar
• humidity = 65 % ±20 %
• Reflection factor ≥ 0.8 (surface of the water for coax probe, metal plate for rod and rope probe
with min. 1 m ∅)
• Flange for rod or rope probe ≥ 30 cm ∅
• Distance to obstructions ≥ 1m
Maximum measured error Is in Function group "basic setup".
Resolution Digital: 1 mm
Reaction time The reaction time is dependent on the configuration.
Shortest time:
• 2-wire electronics: 1 s
Influence of ambiente
temperature
The measurements are carried out in accordance with EN 61298-3:
• digital output:
– average T
K
: 0.6 mm/10 K, max. ±3.5 mm over the entire temperature range -40 °C to +80 °C
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