Kamstrup flowIQ 3100 - Measuring Principle - Ultrasound Technology; Ultrasound with Piezo Ceramics; Transit Time Measurement Method

TECHNICAL DESCRIPTION flowIQ® 3100
44 Kamstrup A/S • Technical Description • 5512-1242_B1_GB • 05.2015
11.5.1 Description
Pulse output:
Type
Open Drain
Maximum input voltage
30V
Maximum current sink
27mA
On voltage
Vout < 0.3V @ 0.1mA current
Vout < 2V @ 27mA current
OFF condition
R > 6Mohm
The connection marked "-" must be connected to the receiver's GND level.
The connection marked "+" should be connected to a pull-up resistor of an appropriate size,
so that the maximum limits, shown in the table above, are met.