User guide

15
Technical data
Flow rate measurement
Measurement range
Accuracy, after a teach-in calibration has been made
Accuracy, with the K factor of the fitting used
Linearity
Repeatability
• 0,2 to 10 m/s
• ±0,5 % of the measured value
1)
±3,5 % of the measured value
1)
±0,5 % of the full scale
1)
±0,25 % of the measured value
1)
Determined in the following reference conditions: fluid = water, water and ambiant temperatures = 20 °C, upstream and
downstream distances respected, appropriate pipe dimensions.
6.3.3. Electrical data
Power supply 18-36 V DC, filtered and regulated
• oscillation rate: ±5 %
Current consumption 300 mA max. (at 18 V DC)
Transistor output DO1
type
function
• frequency
• Electrical data
duty cycle if f > 2 Hz
min. pulse duration if f < 2 Hz
• protections
NPN / PNP (wiring dependent), open collector
pulse output (by default), user configurable
0-250 Hz
5-36 V DC, 100 mA max.
• 1/2
250 ms
galvanically isolated, and protected against over-
voltages, polarity reversals and short-circuits
Relay outputs (DO2 and DO3)
• operating
electrical data of the load
• max. breaking capacity
• life span
hysteresis (by default), configurable, normally open
250 V AC / 3 A or 30 V DC / 3 A (resistive load)
750 VA (resistive load)
• min. 100000 cycles
Current output AO1
specification
• max. loop impedance
4-20 mA, sink or source (wiring dependent), 22 mA
to indicate a fault
1300 W at 36 V DC, 1000 W at 30 V DC, 700 W at
24 V DC, 450 W at 18 V DC
English
Type 8045