Endress+Hauser Levelflex M FMP 40 Operating Instructions Manual page 91

Levelflex M FMP 40 with PROFIBUS-PA
Endress+Hauser
Reference operating • temperature = +20 °C (68 °F) ±5 °C (9 °F)
conditions • 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
• Flange for rod or rope probe ≥ 30 cm ∅
• Distance to obstructions ≥ 1 m
Maximum measured Typical statements for reference conditions, include linearity, repeatability,
error and hysteresis:
• Linearity:
According to IEC 60770-1
Operating conditions
Installation instructions see page 14 ff.
Environment
Ambient temperature The measurements are carried out in accordance with EN 61298-3:
range • digital output (HART, PROFIBUS PA, Foundation Fieldbus):
2-wire:
• Current output (additional error, in reference to the span of 16 mA):
4-wire:
• Current output (additional error, in reference to the span of 16 mA):
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
Performance characteristics
and rope probe with min. 1 m ∅)
– up to 10 m/400" measuring range: ±3 mm
– 10 m/400" to 35 m/1378" measuring range: ± 0,03 %
Operating conditions
– FMP 40
average T : 0.6 mm/10 K, max. ± 3.5 mm over the entire temperature
K
range -40 °C...+80 °C
– Zero point (4 mA)
average T : 0.032 %/10 K, max. 0.35 % over the entire temperature
K
range
-40 °C...+80 °C
– Span (20 mA)
average T : 0.05 %/10 K, max. 0.5 % over the entire temperature range -
K
40 °C...+80 °C
– Zero point (4 mA)
average T : 0.02 %/10 K, max. 0.29 % over the entire temperature range
K
-40 °C...+80 °C
– Span (20 mA)
average T : 0.06 %/10 K, max. 0.89 % over the entire temperature range
K
-40 °C...+80 °C
10 Technical data
91