Bronkhorst® model F-103E Mass Flow Meters (MFMs) are suited for precise measurement of flow ranges between 0,9…45 ln/min and 4…200 ln/min (N2-equivalent). The instruments are particularly suited for corrosive gases or applications with very low differential pressure (∆P). Compared to conventional instruments, LOW-∆P-FLOW meters have larger flow channels to minimize the risk of clogging, facilitate cleaning and purging, and cause lower pressure drop (the sensor only requires 0,5 to 5 mbar).
The integrated digital pc-board provides signal and fieldbus conversion as well as PID controller functionality for optional mass flow control by means of a (separately mounted) control valve. In addition to the standard RS232 output the instruments also offer analog I/O. As an option, an on-board interface can be mounted to provide DeviceNet™, PROFIBUS DP, Modbus, EtherCAT®, PROFINET or FLOW-BUS protocols.
Large bore capillary (thermal bypass sensor)
Very low pressure drop
Less sensitivity to humidity or dirt
Suitable of corrosive gases
Easy to purge
Thông số kỹ thuật
| Electrical properties |
| Power supply |
+15…24 Vdc |
| Max. power consumption Meter |
Supply
15 V
24 V |
at voltage I/O
95 mA
65 mA |
at current I/O
125 mA
85 mA |
| Max. power consumption Controller |
Supply
15 V
24 V |
at voltage I/O
290 mA
200 mA |
at current I/O
320 mA
215 mA |
| PROFIBUS DP |
add 53 mA (15 V supply) or 30 mA (24 V supply) |
| PROFINET |
add 77 mA (15 V supply) or 48 mA (24 V supply) |
| EtherCAT® |
add 66 mA (15 V supply) or 41 mA (24 V supply) |
| DeviceNet™ |
add 48 mA (24 V supply) |
| Analog output/command |
0...5 (10) Vdc or 0 (4)…20 mA (sourcing output) |
| Digital communication |
standard: RS232;
options: PROFIBUS DP, DeviceNet™, PROFINET, EtherCAT®, Modbus RTU or ASCII, FLOW-BUS |