SPECIFICATIONS

YF-B1
Interface size: 4 points (G1/2)

Working voltage range: DC5～18V

Inner diameter/outer diameter: inner diameter water inlet 15.4, water outlet 13.5mm/outer diameter 20.5mm

Thread length: 9.3mm

Water pressure resistance: ≤1.75MPa

Output pulse high level: >DC4.7V (input voltage DC 5V)

Output pulse duty cycle: 50%±10%

Insulation resistance: >100MΩ

Flow range: (at 1～25L\MIN)±3%

Tightness: Close each hole, add 1.7Mpa water pressure test for 1 minute, no leakage and deformation

Pulse frequency: (Hz)=[ 11*Q ]±5%(Q--flow L/min )



Wiring:

Red IN is connected to the positive pole

Yellow OUT signal output line

Black GND to negative



Precautions:

1. Severe impact and chemical erosion are strictly prohibited

2. Throwing or collision is strictly prohibited

3. Vertical installation, the inclination does not exceed 5 degrees

4. The medium temperature should not exceed 120℃



Product List:

Flow sensor*1
YF-B2 
Product selling points
1. Use high-quality materials with guaranteed quality
2. Exquisite craftsmanship, sealed and leak proof
3. Durable and wear-resistant
4. Fast response and high sensitivity
5. Wide range of applications

Product parameters
Model: YF-B2
Interface size: 4 external teeth for inlet and 4 internal teeth for outlet (G1/2)
Working voltage range: DC5-18V
Inner diameter/outer diameter: Inner tooth inner diameter 20.8, outer tooth inner diameter 14.5/outer diameter 20.7
Thread length: 10.6mm
Material: Copper
Water pressure resistance: ≤ 1.75MPa
Output pulse high level:>DC 4.7V (output voltage DC 5V)
Output pulse duty cycle: 50% ± 10%
Sealing: Seal each hole and conduct a 1.7MPa water pressure test for 1 minute without any leakage or deformation

Wiring method:
Red IN connected to positive pole
Yellow OUT signal output line
Connect the black GND to the negative wire

matters needing attention:
1. Severe impact and chemical erosion are strictly prohibited
2. Throwing or colliding is strictly prohibited
3. Vertical installation, with a tilt angle not exceeding 5 degrees
4. The temperature of the medium should not exceed 120 ℃

Package List
Flow sensor * 1
YF-B3
Feature:
1. Quick response and wide application
2. Exquisite workmanship and high-quality material selection
3. Sealed and watertight
4. All copper material, wear-resistant and durable
5. Imported Hall original with high sensitivity

Product Manual:
The water flow sensor is mainly composed of copper valve body, water flow rotor assembly and Hall sensor. It is installed at the water inlet end of the water heater to detect the water flow. When the water passes through the water flow rotor assembly, the magnetic rotor rotates and the speed changes with the flow rate. The Hall sensor outputs the corresponding pulse signal, which is fed back to the controller. Determine the size of the water flow and adjust it.

Parameters: Feature:
1. Quick response and wide application
2. Exquisite workmanship and high-quality material selection
3. Sealed and watertight
4. All copper material, wear-resistant and durable
5. Imported Hall original with high sensitivity
 Model: YF-B3
Interface size: 4 outer teeth for the water inlet, 4 inner teeth for the water outlet
Working voltage range: DC5～18V
Inner/Outer Diameter: 15mm/20.8mm
Thread length: long teeth 18.5mm short teeth 10.5mm
Material: Copper
Water pressure resistance: ≤1.75MPa
Output pulse high level: >DC4.7V (input voltage DC 5V)
Output pulse duty cycle: 50%±10%
Insulation resistance: >100MΩ
Flow range: [at 1～25L\MIN]±3%
Tightness: Close each hole, add 1.7Mpa water pressure test for 1 minute, no leakage and deformation
Flow pulse characteristics: (11*Q)Q=L/Min±3%

Precautions:
1. Severe impact and chemical erosion are strictly prohibited.
2. Throwing or collision is strictly prohibited.
3. Vertical installation, the inclination does not exceed 5 degrees
4. The medium temperature should not exceed 120℃

Package List:
Water flow sensor*1
YF-B5
Features:
1. Made of high-quality materials, durable and quality guaranteed
2. The product is sealed and watertight
3. The material has high hardness and is not easy to wear
4. Raw materials comply with ROHS standard
5. The product is not easy to deform

Product parameters:
Model: YF-B5
Interface size: 6 points (G3/4)
Working voltage range: DC5～18V
Inner/Outer Diameter: 17.9/25.8mm
Thread length: 11mm
Water pressure resistance: ≤1.75MPa
Output pulse high level: >DC 4.7V (input voltage DC5V)
Output pulse duty cycle: 50%±10%
Insulation resistance: >100MQ
Flow range: (at 1~30L\minj±3%)
Airtightness: close each hole, add 1.7Mpa water pressure test for 1 minute, no leakage and deformation
Flow pulse characteristics: (6.6*Q)Q=L/Min±3%

Shipping list:
YF-B5 Water Flow Sensor X1
YF-B7
Features:

1. Made of high quality material, durable and practical.

2. The product is sealed and watertight

3. The material has high hardness and is not easy to wear

4. Raw materials comply with ROHS standard

5. Wide range of applications



Specification:

Model: YF-B7

Interface size: 4 points (G1/2)

Working voltage range: DC5~18V

Inner/Outer Diameter: 13.7/20.3mm

Thread size: long teeth 16mm short teeth 10.5mm

Material: Copper

Water pressure resistance: ≤1.75M Pa

Output pulse high level: >DC 4.7V (input voltage DC 5V)

Output pulse duty cycle: 50%±10%

Insulation resistance: >100MΩ

Flow range: [at 1~25L\MIN ] +3%

Airtightness: close each hole, add 1.7Mpa water pressure test for 1 minute without leakage and deformation

Flow pulse characteristics: (11*Q) Q=L/Min soil 3%



Instructions for use:

1. In order to prevent particles and sundries from entering the sensor, a filter must be installed at the water inlet of the sensor

2. The installation of the water flow sensor should be inside the equipment or indoors, and do not expose it to the outdoors or moisture for a long time.

In harsh environments such as high temperature, the installation of the water flow sensor must avoid vibration and shaking environments and applications.

So as not to affect the measurement accuracy of the sensor

3. When a magnetic material or a material that generates a magnetic force on the sensor is close to the sensor, its characteristics may occur

Change

4. Do not disassemble the water flow sensor without authorization to prevent damage



Package list:

YF-B7 sensor*1