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Liquid Level Switch

Piezoelectric devices are utilized to achieve vibration drive and detection. Once resonant vibrating fork comes in contact with measured medium, vibration frequency of forks substantially decreases, and the output signal from piezoelectric detection device decreases accordingly. Then an integrated circuit is designed to analyze the signal from piezoelectric device and output a switch signal as a result.

Features

(1) High reliability due to the detection of vibration frequency.

(2) With strong disturbance resistance ability, not influenced by foam, bubbles, viscosity, vibration and other liquid characteristics.

(3) Easy installation and maintenance free.

(4) With self-checking and real-time status monitoring functions.

UVVE Standard Liquid Level Switch

Specifications

Insertion depth:70mm

Density: ≥0.5g/cm3

Power: 20～250VAC/DC, 10～36VDC

Output: DPDT, 8mA/16mA

Process fitting: Thread, Flange, Clam

Process temperature: -50℃～250℃

Process pressure: -0.1～6.4MPa

Ambient temperature: -40～80℃

Protection rating: IP66/67

Vibrating rod: 304, 316L, ECTFE coating or PFA coating

UVVE-H Extended Liquid Level Switch

Specifications

Insertion depth:70mm～6000mm

Density: ≥0.5g/cm3

Power: 20～250VAC/DC, 10～36VDC

Output: DPDT, 8mA/16mA

Process fitting: Thread, Flange, Clam

Process temperature: -50℃～250℃

Process pressure: -0.1～6.4MPa

Ambient temperature: -40～80℃

Protection rating: IP66/67

Vibrating rod: 304, 316L, ECTFE coating or PFA coating