vpa1mpa – photo,ss,polys,pnp,no+nc,cab

Why Choose the Carlo Gavazzi VPA1MPA Photoelectric Liquid Level Sensor?

The Carlo Gavazzi VPA1MPA is a robust photoelectric liquid level sensor designed for reliable point-level detection in tanks, vessels and industrial process equipment. Part of the Carlo Gavazzi VP series, it uses modulated infrared light to detect liquid while providing a solid-state alternative to mechanical floats and other moving level-sensing devices.

The VPA1MPA combines a durable AISI 303 stainless steel housing with a chemically resistant polysulphone sensing section. The sensor incorporates separate transmitting and receiving optical elements together with an integrated amplifier, creating a self-contained sensing solution suitable for direct mounting through the wall of a compatible tank or vessel.

Designed for a 10–40 V DC supply, the VPA1MPA features a PNP change-over output providing NO and NC functions. It is supplied with a 2 m PVC cable, supports switching frequencies up to 30 Hz and provides an IP67 protection rating for demanding industrial liquid-level applications.

Key Advantages

• Reliable photoelectric liquid level detection using modulated infrared light.
• Durable AISI 303 stainless steel and polysulphone construction with high chemical resistance.
• Wide 10–40 V DC operating range for industrial control systems.
• PNP NO+NC change-over output provides flexible control-system integration.
• 2 m PVC cable supports straightforward wired installation.
• IP67 protection rating for demanding industrial environments.

Key Features

• Carlo Gavazzi VP series photoelectric level sensor.
• Modulated infrared light sensing technology.
• Integrated amplifier for self-contained liquid detection.
• 10–40 V DC rated operating voltage.
• PNP transistor output.
• NO+NC change-over output function.
• Load current below 200 mA.
• 30 Hz operating frequency.
• AISI 303 stainless steel housing with polysulphone sensing material.
• 2 m PVC cable connection.
• High ambient-light immunity up to 50,000 lux.
• IP67 degree of protection.

Reliable Photoelectric Liquid Level Detection

The VPA1MPA uses modulated infrared light and separate transmitting and receiving elements positioned behind the sensing tip. When liquid reaches the sensing point, the optical conditions change and the integrated electronics switch the output. This enables dependable point-level monitoring without a mechanical float or moving sensing mechanism.

The Carlo Gavazzi VPA1MPA combines this optical principle with a PNP NO+NC change-over output, allowing both normally open and normally closed switching functions to be used according to the control application. Its stainless steel and polysulphone construction, 10–40 V DC supply and IP67 protection make it particularly suitable for industrial tank, vessel and process installations.

Typical Applications

• Industrial liquid level detection.
• High-level and low-level tank monitoring.
• Overflow and liquid presence detection.
• Process vessels and liquid storage tanks.
• Industrial water and fluid handling systems.
• Automated machinery and process-control equipment.