Endress+Hauser levelflex M FMP 40, Руководство по эксплуатации

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10 Technical data Levelflex M FMP 40 with Foundation Fieldbus
90 EHauser
Performance characteristics
Reference operating
conditions • temperature = +20 °C (68 °F) ±5 °C (9 °F)
• pressure = 1013 mbar abs. (14.7 psia) ±20 mbar (0.3 psi)
• relative humidity (air) = 65 % ± 20%
• Reflection factor 0.8 (surface of 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
≥
1 m
Maximum measured
error Typical statements for reference conditions, include linearity, repeatability,
and hysteresis:
• Linearity:
– up to 10 m/400" measuring range: ±3 mm
– 10 m/400" to 35 m/1378" measuring range: ± 0,03 %
According to IEC 60770-1
Operating conditions
Operating conditions
Installation instructions see page 14 ff.
Environment
Ambient temperature
range The measurements are carried out in accordance with EN 61298-3:
• digital output (HART, PROFIBUS PA, Foundation Fieldbus):
– FMP 40
average T
K
: 0.6 mm/10 K, max. ± 3.5 mm over the entire temperature
range -40 °C...+80 °C
2-wire:
• Current output (additional error, in reference to the span of 16 mA):
– Zero point (4 mA)
average T
K
: 0.032 %/10 K, max. 0.35 % over the entire temperature
range
-40 °C...+80 °C
–
Span (20 mA)
average T
K
: 0.05 %/10 K, max. 0.5 % over the entire temperature range -
40 °C...+80 °C
4-wire:
• Current output (additional error, in reference to the span of 16 mA):
– Zero point (4 mA)
average T
K
: 0.02 %/10 K, max. 0.29 % over the entire temperature range
-40 °C...+80 °C
– Span (20 mA)
average T
K
: 0.06 %/10 K, max. 0.89 % over the entire temperature range
-40 °C...+80 °C
Storage temperature -40 °C ... +80 °C
Climate class DIN EN 60068-2-38 (test Z/AD)
Degree of protection • housing: IP 68, NEMA 4X (open housing: IP20, NEMA 1)
• probe: IP 68 (NEMA 6P)
Vibration resistance DIN EN 60068-2-64 / IEC 68-2-64: 20…2000 Hz, 1 (m/s²)²/Hz
Cleaning of the probe see Technical Information TI 358F