83
11 Supplement
VEGAFLEX 86 • 4 … 20 mA/HART - two-wire
49477-EN-150102
Ʋ
Third HART value (TV)
Measurement certainty, level
Ʋ
Fourth HART value (QV)
Electronics temperature
Indication value - DIsplay and adjustment module
2)
Ʋ
Displayed value 1
Filling height Level
Ʋ
Displayed value 2
Electronics temperature
Resolution, digital
< 1 mm (0.039 in)
Output variable - Additional current output
For details on the operating voltage see chapter "Voltage supply"
Output signal
4 … 20 mA (passive)
Range of the output signal
3.8 … 20.5 mA (default setting)
Signal resolution
0.3 µA
Failure signal current output (adjustable)
Last valid measured value, ≥ 21 mA, ≤ 3.6 mA
Max. output current
21.5 mA
Starting current
≤ 10 mA for 20 ms after switching on, ≤ 3.6 mA
Load
Load resistor, see chapter "Voltage supply"
Damping (63 % of the input variable),
adjustable
0 … 999 s
Indication value - DIsplay and adjustment module
3)
Ʋ
Displayed value 1
Filling height Level
Ʋ
Displayed value 2
Electronics temperature
Resolution, digital
< 1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
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Temperature
+18 … +30 °C (+64 … +86 °F)
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Relative humidity
45 … 75 %
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Air pressure
+860 … +1060 mbar/+86 … +106 kPa
(+12.5 … +15.4 psig)
Installation reference conditions
Ʋ
Min. distance to internal installations > 500 mm (19.69 in)
Ʋ
Vessel
metallic, ø 1 m (3.281 ft), centric installation, process
fitting flush with the vessel ceiling
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Medium
Water/Oil (dielectric constant ~2.0)
4)
Ʋ
Installation
Probe end does not touch the vessel bottom
Sensor parameter adjustment
No gating out of false signals carried out
Typical deviation - Interface measure-
ment
± 5 mm (0.197 in)
2)
The indication values can be assigned individually
3)
The indication values can be assigned individually
4)
With interface measurement = 2.0