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FA23 Water Flow Sensor
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FA23 Water Flow Sensor
General Specifications
Application: This specification applies to flow sensors used in water heaters, wall-hung boilers or similar equipment.
Operating ambient temperature: 0 ~ +80 ℃
Operating medium temperature: 0 ~ +60 ℃, no icing.
Operating and test medium: Tap water or compatible liquids.
Test conditions: Unless otherwise specified, the tests shall be performed under the following conditions:Ambient temperature: 5 ~ 35 ℃
Relative humidity: 45 ~ 85%
Atmospheric pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)Appearance, Structure and Dimension
Appearance: The product shall have a good appearance, free from defects such as rust and cracks.
Structure and Dimensions: Please refer to the finished product drawing.
Product Marking: Please refer to the finished product drawing.Rated Parameters and Durability
Rated Operating Voltage: 3 VDC (2.4 ~ 3.3 VDC)
Maximum Operating Frequency: 500 Hz
Maximum Switching Current: 0.3 A DC
Maximum Switching Voltage: 100 VDC
Contact Resistance: < 100 mΩ
Insulation Resistance: > 100 MΩ when 500 VDC is applied between leads and housing
Long-term Working Medium Pressure: Max. 0.8 MPa
Withstand Pressure: Max. 1.75 MPa
Frequency-Flow Equation: F = 8.1Q − 3 where: F (Frequency): Hz Q (Flow Rate): L/min Flow Tolerance: 1 ~ 3 L/min: ± 2 Hz 4 ~ 5 L/min: ± 10% Above 6 L/min: ± 5%Rated Flow Range: 1 ~ 25 L/min
Notes
Do not operate the product dry for a prolonged period, as this may damage the rotor.
Do not use the product under conditions exceeding its rated ambient temperature and rated medium temperature, otherwise it may cause damage to the product.
If the medium (water) freezes, thaw it slowly at room temperature. Replace the flow sensor before putting the equipment back into use; otherwise, uncertain effects or losses may occur.
FA23 Water Flow Sensor
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