DURAG D-FL 200 - 15 Technical Data; Transducers

D-FL 200 / Rev. 6 38
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Industrie Elektronik GmbH & Co KG
15. Technical Data
Measuring principle:
Continuous in-situ measurement according to the principle of acoustic transit time differential
Measuring range: 0-40 m/sec. (0-131 ft/sec.)
Corresponds to: 0-5*10
6
m
3
/h (approx. 0-17,7*10
7
ft
3
/h)
Temperature: 0-250°C (0-482°F)
Evaluation Unit:
Power supply: 115/230V (±10%), 50/60Hz
Permissible ambient temperature: -20 to +50°C (-4 to +122°F)
Relay contacts: “Error”, ”Maintenance”, ”Limit value’’
All relay contacts are potential-free
Max. contact load given cosϕ=1 : 230V/0.5A
Integration time of the measured value: 1 – 180 sec.
Output signal: 2 current outputs, 4-20mA
Maximum ohmic resistance: 500 Ω
Auxiliary power: 24V/1A for maximum of four sensors
Enclosure rating: IP 65 / NEMA 4X
Transducers
Auxiliary power: 24V/DC
Permissible ambient temperature: -20 to +60°C (-4°F to +140°F)
Flange: special flange / tube 110x5
Material of the process parts: 1.4571 (standard)
Housing material of the evaluation unit : Aluminium
Flue gas temperature: up to 250°C (482°F), measurements
below the dew point are possible
Angle of installation: 30° - 60°
Min. length of the measuring path: 1.4m (4,6ft)
Max. length of the measuring path: see following table
Maximum measuring path length, standard flue gas
Temperature Sensor MK1 (50kHz) Sensor MK2 (41kHz) Sensor MK3 (30kHz)
up to 80°C / 176°F 5m / 197 in 8 m / 315 in 11 m / 433 in
up to 120°C / 248°F 4m / 157 in 6,5m / 256 in 8,0m / 315 in
up to 160°C / 320°F 3m / 118 in 5 m / 197 in 6 m / 236 in
more than
160°C /320°F
2m / 79 in 3,5m / 138 in 4,5m / 177 in