Type: Positive pressure, NPN
Rated pressure: 0 to 145.0 Psi
Fluid type: Air or non-corrosive gases
Type of pressure: Gauge pressure
Display: 3 1/2-digit, 2-color, 7-segment LED (Character height: 0.43″ (11 mm)) Display cycle: 10 times/s

High-Precision Positive Pressure Detection – Supports up to 1 MPa (145 psi) with stable measurement for air and non-corrosive gases.
Clear LED Display – Equipped with a 3½-digit, 2-color, 7-segment LED display (11 mm character height) with a fast 10 Hz refresh rate.
Compact, Reliable Construction – Designed as a main unit with NPN output, offering durability and easy integration into automated systems.
Versatile Gauge Pressure Monitoring – Optimized for real-time monitoring of gauge pressure in pneumatic systems and industrial environments.

The Keyence AP-C33K is a high-performance digital pressure sensor main unit designed for accurate and reliable monitoring of positive pressure in industrial environments. As part of Keyence’s advanced AP-C series, the AP-C33K provides dependable measurement capabilities that support automation systems requiring precise control of pneumatic pressure. Engineered with durability and user-focused functionality, this unit is well-suited for applications across manufacturing, assembly, quality control, and process monitoring.

At its core, the AP-C33K operates with a positive-pressure range of 0 to 1 MPa (0 to 145 psi), making it highly versatile for a wide range of pneumatic applications. The unit is compatible with air and non-corrosive gases, ensuring safe operation in diverse conditions without the risk of damage from chemically aggressive media. By measuring gauge pressure, the sensor allows operators to monitor system performance relative to atmospheric pressure, which is particularly valuable in ensuring stability in pneumatic control systems.

A standout feature of the AP-C33K is its large, high-visibility digital display. The 3½-digit, two-color, 7-segment LED provides clear readings, with a character height of 11 mm for easy visibility even from a distance. The display refreshes at a cycle of 10 times per second, enabling operators to track rapid changes in pressure conditions in real time. The dual-color output enhances usability by instantly signaling status changes, allowing for quicker decision-making and reducing the likelihood of operational errors.

From a design standpoint, the AP-C33K is compact and robust, enabling simple integration into automated systems without taking up excess panel space. It features an NPN output configuration, ensuring seamless compatibility with standard control circuits. This makes the unit an excellent fit for users looking for straightforward connectivity and reliable electrical signaling.

Beyond its technical specifications, the AP-C33K enhances operational efficiency by reducing the complexity of pneumatic system monitoring. Its fast response, stable detection, and intuitive visual indicators improve process reliability and help prevent downtime caused by pressure irregularities. Whether installed in an assembly line, inspection station, or testing facility, the sensor provides a valuable combination of precision, durability, and ease of use.

In industrial environments where precision is critical, the Keyence AP-C33K offers an ideal balance of accuracy, reliability, and user-friendly operation. Its combination of high-pressure capability, real-time monitoring, intuitive display features, and robust NPN output design make it a versatile choice for engineers and operators seeking a dependable pressure sensing solution.