A Category Options and Descriptions

A01 Auto Pipe Spec: Automatic Pipe Specification Detection

Automatically detects pipe specifications and, upon completion, automatically switches to A02 to display the results. This function is identical to Z02.

A02 Preset Pipe Spec: Pipe Specification

Select a pipe model to adjust the data, or choose "Custom" to define pipe dimensions and material. Supported pipe specifications are listed below: A02 Different Model Preset Pipe Specification Table. For more details on pipe specifications, refer to ->

Pipe Material Options	RS-485 對應數字	Remarks
Custom	0	Default
cns w	1
cns e	2
jisk	3
astm sch 40 pvc	4
astm sch 40 sus	5
astm sch 80 pvc	6
jisg	7
iso pp	8
iso pvdf	9

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

A03 Pipe Geo. Unit: Pipe Dimension Unit

Specifies the unit for pipe dimensions, synchronized with B06. A03 to A07 follow the model data range. For more details on pipe specifications, refer to ->

選項	RS-485 Numbers	Remarks
mm	0	Default
inch	1

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A04 Pipe OD (Outer Diameter): Pipe Outer Diameter

When A01 is set to "Custom," the pipe outer diameter can be manually configured. The unit is determined by B06. Adjustments will automatically recalculate A04 and A06. A03 to A07 follow the model data range. For more details on pipe specifications, refer to ->

Parameter Input Range	Values
Data Type	float32
Default	32
Minimum	1 mm
Maximum	200

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A05 Pipe Perimeter: Pipe Circumference

When A01 is set to "Custom," the pipe circumference can be manually configured. The unit is determined by B06. Adjustments will automatically recalculate A03 and A06. A03 to A07 follow the model data range. For more details on pipe specifications, refer to ->

Parameter Input Range	Values
Data Type	float32
Default
Minimum	3.15 mm
Maximum	800

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A06 Pipe Thickness: Pipe Wall Thickness

When A01 is set to "Custom," the pipe thickness can be manually configured. The unit is determined by B06. Adjustments will automatically recalculate A06. A03 to A07 follow the model data range. For more details on pipe specifications, refer to ->

Parameter Input Range	Values
Data Type	float32
Default	2.5
Minimum	0.1 mm
Maximum	50

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A07 Pipe ID (Inner Diameter): Pipe Inner Diameter

When A01 is set to "Custom," the pipe inner diameter can be manually configured. The unit is determined by A02. A03 to A07 follow the model data range. For more details on pipe specifications, refer to ->

Parameter Input Range	Values
Data Type	float32
Default
Minimum	1 mm
Maximum	199

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

A08 Pipe Material: Pipe Material

Specifies the pipe material to adjust flow data, or choose "Custom" to define the pipe's sound velocity.

Options	RS-485 Numbers	Remarks
Custom	0	Default
UPVC	1
PVC	2
PP	3
PVDF	4
ABS	5
Steel	6
SUS 304	7
SUS 316	8

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A09 Pipe Sound Speed: Pipe Sound Velocity

When A08 is set to "Custom," manually configure the pipe's sound velocity. The unit is determined by B04.

Parameter Input Range	Values
Data Type	float32
Default	2300
Minimum	500
Maximum	10000

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A10 Liquid Type: Fluid Type

Select the type of fluid to adjust the data, or choose "Custom" to define fluid parameters.

Options	RS-485 Numbers	Remarks
Custom	0	Default
Water 20℃	1
Water 50℃	2
Water 75℃	3
Water 100℃	4
Water 125℃	5
Water 150℃	6
Water 175℃	7
Water 200℃	8
Water 225℃	9
Acetone	10
Carbinol	11
Ethanol	12
Alcohol	13
Acetaldehyde	14
Arachis Oil	15
Glycerin	16
Gasoline	17
Benzene	18
Ethyl Benzene	19
Toluene	20
Chloromethane	21
Petroleum	22
Pine Oil	23
Cloroethylene	24
Ketone	25
Glycol	26
Sea Water	27

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A12 Liquid SS (Sound Speed): Fluid Sound Velocity

When A10 is set to "Custom," the fluid sound speed can be manually configured. The unit is determined by B04.

Parameter Input Range	Values
Data Type	float32
Default	1482
Minimum	100
Maximum	3000

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A13 K. Viscosity cST: Kinematic Viscosity in cST

When A10 is set to "Custom," the kinematic viscosity of the fluid can be manually configured. The unit is in centistokes (cST).

Parameter Input Range	Values
Data Type	float32
Default	1
Minimum	0.05
Maximum	20000

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A15 Damping: Damping Coefficient

Reduces data fluctuation. The minimum value is 0 (off), and the default is set to 3.

Parameter Input Range	Values
Data Type	int
Default	3
Minimum	0
Maximum	600

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A16 Direction: Flow Direction

Allows for reversing the direction of fluid flow. The default setting is normal flow.

Options	RS-485 Numbers	Remarks
Normal	0	Default
Inverse	1

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A17 Neg Flow (Negative Flow): Negative Flow Display

Indicates whether negative flow is displayed. The default setting is enabled.

Options	RS-485 Numbers	Remarks
OFF	0
ON	1	Default

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A18 Low Flow Cutoff: Force Zero

Displays a value of zero for flow rates below a specified absolute threshold. The default is set to 0 (disabled), with a maximum threshold of 150,000,000.

Parameter Input Range	Values
Data Type	float32
Default	0
Minimum	0
Maximum	150,000,000

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A19 Fast Update: High-Speed Update

Increases the display update rate to within 0.5 seconds. The default setting is disabled.

Options	RS-485 Numbers	Remarks
OFF	0	Default
ON	1

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A20 Anti-Noise: Noise Reduction

Eliminates unstable measurement noise. The default setting is enabled, but it can be disabled if required.

Options	RS-485 Numbers	Remarks
Off	0
Low	1	Default
High	2

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A21 Auto Initialization: Automatic Initialisation

Activating this function adjusts the signal state based on the environmental conditions. It is recommended to run this function after each reinstallation. This function is identical to Z03.

A22 Auto Zero Offset: Automatic Zero Flow Adjustment

Ensure the pipe is fully installed and filled. Activating this function corrects zero-flow errors. This function is synchronised with Z04.

A23 Zero Offset Setting

Manually adjust or reset the zero offset data to zero.

Parameter Input Range	Values
Data Type	float32
Default	0
Minimum	-100
Maximum	100

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A24 Startup Pipe Check: Initial Pipe Check at Startup

After activation, there is a 5-second window to confirm whether to use the A01 Auto Pipe Specification function. The default setting is disabled.

Options	RS-485 Numbers	Remarks
OFF	0	Default
ON	1

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A25 Off-Pipe Zero: Off-Pipe Zero Function

Enables or disables the off-pipe state. The default setting is disabled.

Options	RS-485 Numbers	Remarks
OFF	0	Default
ON	1

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A26 Beta Mode

Enables or disables Beta mode. The default setting is disabled.

Options	RS-485 Numbers	Remarks
Off	0	Default
Low	1
High	2

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