Micropilot FMR66B HART
Hauser
V. 1, Rev. 2, 26-07-2022
7
0%
B
C
100%
A
H
A0031829
A
Antenna tip + 10 mm (0.4 in)
B
Smallest possible measuring range
C
Distance above silo floor = 50 to 80 mm (1.97 to 3.15 in)
H
Silo height > 0.7 m (2.3 ft)
For the dielectric constants (DC values) of many media commonly used in industry, please refer
to:
• Dielectric constant (DC value) Compendium CP01076F
• The Hauser "DC Values app" (available for Android and iOS)
Operating frequency
Approx. 80 GHz
Up to 8 devices can be installed in a tank without the devices mutually influencing one another.
Transmission power
• Peak power: 6.3 mW
• Average output power: 63 µW
Output
Output signal
HART
Signal coding:
FSK ±0.5 mA over current signal
Data transmission rate:
1
200 Bit/s
Galvanic isolation:
Yes
Current output
4 to 20 mA with superimposed digital communication protocol HART, 2-wire
The current output offers a choice of three different operating modes:
• 4.0 to 20.5 mA
• NAMUR NE 43: 3.8 to 20.5 mA (factory setting)
• US mode: 3.9 to 20.8 mA
