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Specifications and Reference Data
August 2017
Figure A-5. Accuracy over Measuring Range for Coaxial Probe
±
(3 mm)
5.5 in. (14 cm)
13.0 in. (33 cm)
1.2 in. (3 cm)
A.2 Functional specifications
A.2.1 General
Field of application
Liquids and semi-liquids level or liquid/liquid interfaces
3308Axx1... for level or submerged probe interface
measurement
3308Axx2... for level and interface measurement
Measurement principle
Time Domain Reflectometry (TDR)
(See
"Theory of operation" on page 3
how it works)
Microwave output power
Nominal 10 μw, Max <20 mW
116
PRELIMINARY
Water (DC = 80)
±
0.12 in.
1.18 in.
(30 mm)
Accuracy
9.5 in. (24 cm)
for a description of
Oil (DC = 2.2)
±
±
0.12 in.
1.18 in.
(3 mm)
(30 mm)
5.1 in. (13 cm)
10.2 in. (26 cm)
2.0 in. (5 cm)
Humidity limits
0 to 100% relative humidity
A.2.2 Wireless
Output
IEC 62591 (WirelessHART
Transmit rate
User selectable, 4 seconds to 60 minutes
Frequency range
2400 - 2483.5 MHz
Radio frequency output from antenna
External antenna (WK option): < 10 mW (+10dBm) EIRP
Remote (WN option): < 40mW (16dBm) EIRP
Reference Manual
00809-0100-4308, Rev CA
Accuracy
Blind Zone
®
) 2.4 GHz DSSS
Specifications and Reference Data
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