Digitize up to four analog mass flow controllers
Add feature-packed digital performance to analog MFCs
Easy-to-use large pushbutton digital display
Conveniently power up to four units
Independent totalizers and alarms
For fast delivery, buy online, next-day shipment

FloBox is a digital control system that is designed to serve as the power supply and control readout electronics for up to four flow instruments. FloBox is designed for any brand of new or existing analog mass flow meter and mass flow controller.


Power input requirements: 100, 110 or 240 VAC (specify when ordering), 50/60 Hz
Power output: +/- 15 VDC, 250-500 mA
Signal input from device: User selectable: 0 to 5 & 0 to 10 VDC, 4 to 20 mA
Input impedance: Voltage >10 Megohm, current 120 ohms
Programmable functions (four independent channels):
Valve override: Run, Close, Purge
Display flow or totalizer
Engineering units
Gas name/symbol
A/D filter rate
Input signal type
Alarm high and low values
Master-slave ratio control
Calibrate full scale
Calibrate zero
Gas correction factor
Analog output: Set point and output user selectable 0-5 & 0-10 VDC, 4 to 20 mA (250 ohm max load resistance); 2 alarms per channel
Digital output: RS-232, RS-485
Baud rate: 9600, 19200 (user selectable)
Display: Four independent channels, 4 X 20 LCD, backlit
LED indicators (Bright red light on front panel):

Valve open (purge)
Valve closed
Valve run (set point)

Parameter Name	Parameter Value
Measured value	mass flow
Display	digital analog
Type	panel-mount