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SW-8 water level sensor

SW series water level sensor is a component designed for checking water level. According to the water level, the product sends oscillation frequency to the appliance’s control board. It depends on the pressure, magnetic field, and electric signal to realize the function.

Specification

Model

SW-9

Rated voltage

DC5V±0.1V

 


Frequency / Water level

21.40 kHz

325+20/-40mm

23.60kHz

154±5mm

24.00 kHz

126±3mm

24.40kHz

95±20mm

 

24.80kHz

70±30mm

Initial frequency

26±0.3 kHz

0mm

Insulation resistance

Insulation resistance between live part and uncharged part ≥100MΩ 



Environmental test

High temperature: put the product in(60±2)℃ for 168h, then back to normal temperature for 2h. After that, water level change of each gear is within ±15mm

Low temperature: put the product in (-20℃±2℃)for 168h, then back to normal temperature for 2h. After that, water level change of each gear is within ±10mm

Humidity resistance: Put the product in (40℃±2℃, RH90%~95%)for 168h, then dry all water from the product, back to normal temperature for 2h. After that, water level change of each gear is within ±15mm    

Durability test

With rated voltage, alternatively test the highest water level and lowest water level, frequency 20 cycles/min, total 50,000 cycles.

Environment friendly

Conform to RoHS 2011/65/EU

 


Working Conditons

WORKING CONDITONS

 

Working temperature: -10℃,+50℃                    

Max altitude: 2500M

Max humidity: RH95% (+25℃)

Does not contain flammable, explosive and corrosive gas or steam

No significant shaking or severe shock and vibration

 

Diagram


Curve  



Dimension



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