Vega VEGAFLEX 82 Operating Instructions Manual page 68

Tdr sensor for continuous level measurement of bulk solids
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11 Supplement
Ʋ Cable: ø 6 mm (0.236 in), PA coated
Ʋ Cable: ø 6 mm (0.236 in)
Ʋ Cable: ø 11 mm (0.433 in), PA coated 20 Nm (14.75 lbf ft)
Ʋ Rod: ø 16 mm (0.63 in)
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing
Ʋ Aluminium/Stainless steel housing
Input variable
Measured variable
Min. dielectric constant of the medium
Output variable
Output signal
Transmission rate
Sensor address
Damping (63 % of the input variable)
Profibus PA profile
Number of FBs with AI (function blocks
with analogue input)
Default values
Ʋ 1. FB
Ʋ 2. FB
Ʋ 3. FB
Current value
Ʋ Non-Ex and Ex ia instrument
Ʋ Ex-d-ia instruments
Resolution, digital
Measurement accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Mounting, reference conditions
Ʋ Min. distance to internal installations
Ʋ Vessel
Ʋ Reflector
Ʋ Medium
Ʋ Mounting
68
8 Nm (5.9 lbf ft)
20 Nm (14.75 lbf ft)
20 Nm (14.75 lbf ft)
max. 10 Nm (7.376 lbf ft)
max. 50 Nm (36.88 lbf ft)
Level of solids
ε
≥ 1.5
r
digital output signal, Profibus protocol
31.25 Kbit/s
126 (default setting)
0 ... 999 s, adjustable
3.02
3
Primary Value (filling height linearized in %)
Secondary Value 1 (filling height in %)
Secondary Value 2 (distance value)
10 mA, ±0.5 mA
16 mA, ±0.5 mA
< 1 mm (0.039 in)
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
+860 ... +1060 mbar/+86 ... +106 kPa
(+12.5 ... +15.4 psig)
> 500 mm (19.69 in)
metallic, ø 1 m (3.281 ft), centric mounting, process fit-
ting flush with the vessel ceiling
metallic, ø 1 m
Bulk solids - cereals, flour, cement (dielectric con-
stant ~2.0)
Probe end does not touch the vessel bottom
VEGAFLEX 82 • Profibus PA

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