Portable Ultrasonic Flowmeter YF-100H

The YF-100H ultrasonic flow meter is designed to measure the fluid velocity of liquids inside a closed conduit. The transducers are a non-contacting, clamp-on type, which facilitate the installation. The unit can measure flow in pipes with diameters between 1/2" and 28", and is delivered with all the parts required for its operation.

The YF-100H transit time flow meter utilizes two transducers that function as both ultrasonic transmitters and receivers. The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The mounting method could be; in V, where the sound transverses the pipe twice, W-method where the sound transverses the pipe four times, or in Z-method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. The selection of the mounting method depends on the characteristics of both the pipe and liquid. The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers. The difference in the transit time measured is directly and exactly related to the velocity of the liquid inside the pipe. 

 Specifications: 

Accuracy

±1% of reading at rates >0.2 mps

Response time

0-999 seconds, user configurable

Velocity

± 39 m/s

Totalizer

7 digits total for net value, positive and negative flow respectively

Fluid Types

Virtually all liquids

Security

Configurable on setup menu. Access code needed for unlocking

Display

4x16 display. Instant flow, velocity, total and signal strength

Signal output

Not Isolated RS 232 (FUJI – extension protocol) One channel isolation OCT output

Transducers

Clamp on type transducers

Transducer cord length

Standard 2x 10 meters

Power supply

3 of AAA NiH batteries. Fully charged last 12 hours. Charger 11-240 VAC

Data logger

Built in data logger can store over 2000 lines of data

Housing material

ABS

Case size

100x60x20 mm

Handset weight

514 gr. (15 lbs) with batteries

 

Sensors:

Transducer

Standard S2

Standard M2

Suitable pipe diameter (in)

½” - 4”

2” – 28”

Fluid temperature

-30°C ~ 160°C

-22°F ~ 320°F

-30°C ~ 160°C

-22°F ~ 320°F

Outer size (mm)

45x30x30

60x45x45


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