POSTBERG+Co measuringSYSTEM MA-Di, Руководство по эксплуатации, Страница: 13 / 44

13
MA-Di
COMPRESSED AIR AT ITS BEST
Electrical connection M12 x 1-plug, capacity up to 250 mA,
short-circuit proof
Voltage supply 19 … 30 VDC, current input < 100 mA
Delay before start 1 s
Notes
Due to its small size, the sensor has a very small surface for attack.
Consequently, the pressure loss can be neglected (typically 1 mbar).
* The measuring, display and setting ranges refer to, unless indicated
otherwise in the calibration report of sensor, to the standard volume
flow according to DIN ISO 2533 (15 °C, 1013 mbar and 0 % rel. humidity).
Output signals
Analog output 4…20 mA, measuring range scalable
max. load 500 Ω
Impulse output DN 15 - DN 25: 1 Imp./0.1 Nm³
DN 32 - DN 50: 1 Imp./1 Nm³
Current load capacity 2 x 250 mA, short-circuit proof, protected against
polarity reversal, overload-proof
EMC
IEC 1000/4/2 ESD 4 / 8 kV
IEC 1000/4/3 Hf radiated 10 V/m
IEC 1000/4/4 Burst 2 kV
IEC 1000/4/6 Hf line-bound 10 V
4.2 Accessories
4.2.1 In- and outlet pipe (DN 15–DN 50)
To calculate the inlet pipe needed it is 15x diameter (D) + additional flow
columing section (B) and 5x diameter (D) for the outlet pipe ( 5.4 |
p. 17). They are both made of stainless steel with a male thread to connect
to the existing pipe system.
4 Technical data