The Keyence AP-V85WP Amplifier Unit is a panel-mounted controller designed to deliver precise measurement, versatile functionality, and reliable operation in industrial automation. Tailored for use with compatible pressure sensor heads, this PNP-output model provides the perfect balance of performance and ease of use in applications requiring accurate pressure monitoring and control.

At the heart of the AP-V85WP is its two-level LED display, capable of showing readings with up to 4 1/2-digit resolution. The upper level features large, 8 mm red characters for primary values, while the lower level uses 5.7 mm green characters for secondary readings or reference data. An integrated red alarm LED provides immediate visual alerts, allowing operators to quickly detect anomalies or threshold breaches. This layered display system ensures both clarity and accuracy in fast-paced environments.

The amplifier offers flexible measurement modes, supporting multiple resolution levels depending on the connected sensor head. For example, with AP-10SK/AP-11SK heads, it provides standard mode resolution down to 0.1 inchHg and high-resolution mode at 0.01 inchHg, while with higher pressure heads such as AP-15SK/AP-16SK, it can measure in 10 PSI standard resolution and 1 PSI high resolution. This adaptability makes the unit suitable for a wide range of low and high-pressure monitoring applications.

Functionality is enhanced with versatile I/O features. The unit supports analog output (4–20 mA), dual PNP open-collector control outputs (N.O./N.C. selectable), as well as assignable zero-shift and bank input functions. These outputs allow seamless integration into PLCs, monitoring systems, or other automation equipment. With a control output capacity of 30 VDC max., 100 mA, and residual voltage of just 1 V, it ensures stable interfacing with industrial electronics.

To maintain stable performance, the AP-V85WP incorporates advanced response settings, including chattering prevention functions with selectable response times from 5 ms to 1000 ms. Operators can also fine-tune hysteresis values, with standard settings at 0.5% of F.S. and high-resolution mode offering tighter control at 0.1% of F.S. This flexibility allows for both ultra-fast detection and stable, noise-free measurement depending on the application.

Built with polycarbonate housing and elastomer keytops, the amplifier is compact, lightweight (85 g), and designed for durability. It is resistant to environmental factors, operating within a wide range of -10 to +50 °C and 35–85% RH, withstanding vibration (10–55 Hz) and mechanical stress. The inclusion of a panel mounting bracket and protective cover makes installation straightforward while providing additional safety in rugged environments.

With its eco-mode power saving option and robust electronic design, the AP-V85WP offers efficient energy consumption without compromising performance. Normal operation consumes only 80 mA at 24 VDC, while eco mode reduces this further, making it ideal for systems where energy efficiency is a priority.

In summary, the Keyence AP-V85WP Amplifier Unit delivers a powerful combination of precision, adaptability, and durability. Its advanced display, flexible control outputs, customizable response settings, and rugged build make it an essential tool for industries requiring reliable pressure measurement and control, such as semiconductor manufacturing, automotive assembly, packaging, and process control.