Ultrasonic flow meter, clamp-on ultrasonic flowmeter, ultrasonic flow meter working, Transit-time

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Fixed, Clamp-on Ultrasonic Flow Meter

Model:RBFM-F

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The RBFM-F Fixed type clamp-on Ultrasonic Flow Meter is a a non-intrusive flow measurement that measures volumetric flow, low cost transit-time ultrasonic flow meter with clamp-on(strap-on) transducers for non-invasive liquid flow rate measurement.

The RBFM-F Clamp-on type sensor easily mountable on existing pipe, suited for a wide range of liquids, for example: chemical solution, corrosive liquids. drinking water, deionized water, cooling water, , sea water, oil, tap water, hot water, industrial water, etc.

The RBFM-F Fixed type Clamp-on Type Ultrasonic Flow Meter Advantage:

Cost-effective and easy installation
Transducers for wide pipe sizes ranging from15 to 6000 mm (½" to 240").
Wide range velocities of ±0.1~ ± 12m/s (0.03 ~ ± 105 feet/sec.)
High accuracy of ± 1% of reading
Suitable for a wide variety of liquid types
Fast response time - less than 1 second.
2 line LCD display with flow rate, totalizer & signal condition.
0-20mA & 4-20mA outputs, RS-232 communication, user-selectable engineering units, and a data logger function
Clamp-on transducers feature integral magnet for installation
Data logger function includes date, totalizer, & signal condition diagnostic

The RBFM-F-F Fixed(Wall mounted) Clamp-on Type Ultrasonic Flow Meter Specification

Transducer	Standard Type			S type		Pipe size		(15 mm ~ 100 mm) ½" ~ 4"
						SN		SH	-30~160℃
						Size(mm)		SN	45×25×28
				M Type		Pipe size		50 mm ~ 700 mm (2" ~ 28" )
						Temp.		MN	-30~160℃
						Size(mm)		MN:	64×35×32
				L Type		Pipe size		300~ 6000(12" ~ 240" )
						Temp.		LN	-30~160℃
						Size(mm)		LN	97×54×53
				Insertion Type		Pipe size		80~6000mm
						Temp.		RCN		-40 ~ 160℃
								RCL(Extended)		-40 ~ 160℃
Temp. Sensor						Pt100 3 wires
						Pt100 3 wires(only for small pipes)
Fluid	Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
Flow Direction	Bi-directional measuring, net flow/heat measuring
Accuracy	± 1% ~ ± 2% of reading (1.5 ~ 100 feet/sec.)
Repeatability	± 0.2% of reading
Flow rate range	0.01 ~ ± 12 m/s
Response Time	Less than 1 second
Keypad	16 Key with tactile action
Pipe Material	Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Liner Material	Tar Epoxy, Rubber, Mortar, Polypropylene, Polystryal, Polystyrenes, Polyester, Ebonite, Polyethylene, Teflon, etc.
Mounting	wall mounting, local
Display	2 Line LCD with backlight; 5 digits with decimal point for flow rate, 8 digits for Forward, Reverse & Net totalized values
Output	Analog		4-20mA or 0-20mA current output. Impedance 0∼1kW. Accuracy 0.1%.
	Relay output		Over 20 source signal (no signal, reverse flow etc.)
	Pulse Output		Frequency signal :1~9999 Hz
Input	Three analogue input
	Three-wire PT100 resistor input (optional)
Other functions	Automatically record the totaliser data of the last 64 days / 64 months / 5 years; The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation The instrument working status of the last 64 days
Communication	RS-232/RS485
Alarm	High/Low with buzzer
Protection	Transmitter	IP 65			Sensor		IP67/IP68 (optional)
Straight pipe section	In the upstream it must be beyond 10D, in the downstream it must be beyond 5D, in the upstream the length must be beyond 30D from the access of the pump. (D stands for pipe diameter)
Cable Length	Twisted Pair Line, standard length of 10m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m
Power Supply	Remote Type				90 ~ 260VAC 50/60 Hz; 9-28VDC
	Compact Type				9-28VDC
Power Consumption	Less than 2W
Data Storage	Operation parameters and tantalization data are stored in EEPROM for more than 10 years
Engineer Unit	M3, Liter, US gallon, Imperial gallon, Million gallons, Cubic feet, US Barrels, Imperial barrels, Oil barrels
Time Units	Second, Minute, Hour, Day
Protocols	MODBUS, M-BUS, Fuji extended protocol and other factory protocol
Humidity	Main Unit: 85% RH
Remarks: With a high strength carrying case suitable for normal and harsh environment

RBFM-F-F Fixed(Wall mounted) Clamp-on Ultrasonic Flow Model Selection

RBFM

DNxx

Instrument Type

Ultrasonic Flowmeter

Ultrasonic Heat meter

Power supply

220VAC

24VDC

Battery

Flow/Heat meter Type

Fixed type

Handheld type

Flanged type

Battery type

Transducer Type

S type(pipe size: 15-100mm, temp.: -30 to 90℃)

S type(pipe size: 15-100mm, temp.: -40 to 160℃)

SPMN

S type with mounting frame only for Handheld (pipe size: 15-100mm, temp.: -40 to 90℃)

SPMH

S type with mounting frame only for Handheld(pipe size: 15-100mm, temp.: -40 to 160℃)

M Type(pipe size: 50-700mm, temp.: -30 to 90℃))

M Type(pipe size: 50-700mm, temp.: -40 to 160℃))

MPMN

M type with mounting frame only for Handheld (pipe size: 50-300mm, temp.: -40 to 90℃)

MPMH

M type with mounting frame only for Handheld (pipe size: 50-300mm, temp.: -40 to 160℃)

RB-1

extended the mounting frame, for pipe:DN300-700mm, temp.: -40 to 90℃

RBH

extended the mounting frame, for pipe:DN300-700mm, temp.: -40 to 90℃

L type(pipe size: 300-6000mm, temp.: -30 to 90℃)

L type(pipe size: 300-6000mm, temp.: -40 to 160℃)

Insertion Type

Extended type

Flanged type

Pt100

Temperature sensor

DNxx

Pipe size

Pipe material

Carbon Steel

Stainless Steel

cast iron

Fibreglass

PVC

cement pipe

Others, clarify

Pressure(MPa)

Output

4-20mA

Pulse

Relay

RS232

RS485

Datalogger

Input

1*4-20mA

2*4-20mA

3*4-20mA

Cable length

meter

RBFM-F-F Fixed(Wall mounted) Clamp-on Type Ultrasonic Flow Meter Applications:

Water distribution flow metering
HVAC industry
Leak detection
Chemical and Pharmaceutical industry
Hygienic Food and Drinking flow monitoring
Steel industry
Power, energry management
Protec Chemical and oil industry
Irrigation water metering;
Checking fixed installation flow meters
Survey water works

1. Clamp-on Ultrasonic Flow Meter Catalog
2. Fixed Type Clamp-on Ultrasonic Flow Meter Manual

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Fixed, Clamp-on Ultrasonic Flow Meter

The RBFM-F Fixed type clamp-on Ultrasonic Flow Meter is a a non-intrusive flow measurement that measures volumetric flow, low cost transit-time ultrasonic flow meter with clamp-on(strap-on) transducers for non-invasive liquid flow rate measurement.

The RBFM-F Fixed type Clamp-on Type Ultrasonic Flow Meter Advantage:

The RBFM-F-F Fixed(Wall mounted) Clamp-on Type Ultrasonic Flow Meter Specification

RBFM-F-F Fixed(Wall mounted) Clamp-on Type Ultrasonic Flow Meter Applications:

Consult online