B Category Options and Descriptions

B01 Vol. Unit (Volume Unit) The unit for instantaneous flow volume, default is L.

• Metric units: L (litres), m³ (cubic metres)

• Imperial units: U.gal (US Gallon), I.gal (Imperial Gallon), ft³ (cubic feet)

Options	RS-485 Numbers	Remarks
L (Liter)	0	Default
m³	1
US Gallon	2
UK Gallon	3
ft³	4

After selecting the command, please confirm whether to Save or Not Save.

B02 Time Unit The time unit for flow rate, available options: seconds, minutes, hours, days.

• Default: minutes

Options	RS-485 Numbers	Remarks
Second	0
Minute	1	Default
Hour	2
Day	3

After selecting the command, please confirm whether to Save or Not Save.

B03 Total Unit (Total Volume Unit) The unit for cumulative and historical volume measurements, default is L.

• Metric units: L (litres), m³ (cubic metres)

• Imperial units: U.gal (US Gallon), I.gal (Imperial Gallon), ft³ (cubic feet)

Options	RS-485 Numbers	Remarks
L (Liter)	0	Default
m³	1
US Gallon	2
UK Gallon	3
ft³	4

After selecting the command, please confirm whether to Save or Not Save.

B04 Velocity Unit The unit for flow velocity and sound velocity, default is m/s.

• Metric unit: m/s (metres per second)

• Imperial unit: ft/s (feet per second)

Options	RS-485 Numbers	Remarks
m/s	0	Default
f/s	1

After selecting the command, please confirm whether to Save or Not Save.

B05 Dec. Place (Decimal Place) Specifies the number of decimal places displayed on the LCD/LED screen. Data is truncated without rounding.

• Maximum of 4 decimal places, default is 4.

• This parameter affects display only, not calculations; cumulative flow uses original data.

Parameter Input	Values
Data Type	int
Default	1
Minimum	0
Maximum	4

After selecting the command, please confirm whether to Save or Not Save.

B06 Pipe Geo. Unit (Pipe Geometry Unit) The unit for pipe dimensions, synchronised with A03.

Options	RS-485 Numbers	Remarks
mm	0	Default
inch	1

After selecting the command, please confirm whether to Save or Not Save.