Katronic Technologies FLUXUS ADM 6725, Operating Instruction

Page: 142 / 148

Technical Data
16 - 2
ADM 6725 E10

KA T
Measuring characteristics
Rated inside diameter: Depending on transducer type
Flow velocity range: 0.01 m/s ... 25 m/s
Flow volume: (See enclose flow volume nomogram at the end of this chapter)
Resolution: 0.025 cm/s
Repeatability:
0.15 % of measured value
±
0.015 m/s
Accuracy:
Volume flow:
±
1 ... 3 % of measured value depending on application.
±
0.5 % of measured value with process calibration.
Flow velocity:
±
0.5 % of measured value
The stated accuracy figures can only be achieved, if pipe and medium parameters are known and entered
correctly, and an axi-symetrical flow profile is fully developed, i.e. that the recommendations for the minimum
distances between measuring point and flow disturbance sources have been observed.
Recommended distance to
flow disturbance sources: Straight length upstream 10 x D ... 50 x D
Straight length downstream 5 x D ... 10 x D
D = rated pipe diameter at measuring point (chapter
3.4)
Gaseous or solid content: < 10 % of volume
Cut-off flow
Adjustable, acc. to a flow velocity of 0 ... 12.7 cm/s
Signal damping: 0 ... 60 s, user configurable
Response time 1 s, optional 70 ms
Measuring cycle 100 ... 1000 Hz, single channel
Calculation functions Average/difference/sum
Process interfaces (optional)
Process outputs Galvanically isolated from main electronics
- Current 0/4 ... 20 mA Passive: (U
ext
< 24 V
Active:
(R
ext
< 500
Ω
- Voltage
0 ... 1 V or 0 ... 10 V, R
i
= 500
Ω
- Frequency 0 ... 1 kHz, or 0 ... 10 kHz; (OC)
- Digital (pulse, status) Totalizer valued: 0.01 ... 1000 /unit; width: 80 ... 1000 ms; (OC/Reed)
Reed=Reed-NO contact (300 V/ 0.5 A); OC=Open-Collector
- Relays (alarm outputs) max. 3 channels; individually programmable; (Reed/OC/TP)
Ree
d
= Reed relay contact (48 V/0.5 A)
OC = Open-Collector (36 V/4 mA)
TP = Totem-Pool (5 V)
Process inputs Galvanically isolated from main electronics
- Temperature: PT 100, four-wire circuit; measuring range: -50 °C ... 400 °C
- Current:
0 ... 20 mA; R
i
= 50
Ω
- Voltage:
0 ... 1 V; R
i
= 1 M
Ω
;
Wall thickness measurement
Measuring range 1.0 mm ... 200 mm
Resolution 0.01 mm
Linearity 0.1 mm
Wall thickness probe DA301, HT400
Measuring range 1.0 ... 200 mm
Resolution 0.01 mm
Linearity 0.1 mm
Temperature range Standard version DA301: -20 °C ...+60 °C
High temperature version HT400: 0 ...+200 °C, for short
periods up to +540 °C