The Keyence AP-V41 is a high-performance amplifier unit (PNP model) designed for advanced pressure sensing applications. As part of the AP-V series, this unit is optimized for compatibility with pressure sensor heads such as the AP-41M, AP-41, AP-43, and AP-44, enabling versatile measurement options for industrial automation. With its precise detection, flexible control outputs, and robust construction, the AP-V41 delivers reliable monitoring and control in demanding environments.

One of the most notable features of the AP-V41 is its exceptional measurement accuracy. With a set and display range of -15 to +110% of full scale and repeatability of ±0.2% of F.S., it ensures stable and precise readings across a wide variety of operating conditions. Its display resolution adapts to the connected sensor head, allowing for high-resolution monitoring as fine as 0.01 inchHg or 0.02 psi, depending on the sensor type. This makes the AP-V41 suitable for critical applications where even small pressure variations must be detected and acted upon.

The unit is designed with a user-friendly display and indicator system. A 4½-digit dual-color LED display with 4.5 mm characters provides clear and immediate pressure readings. The display includes an AI indicator in green and switches color depending on output conditions, improving visibility for operators. Dual red operation LEDs correspond to the two control outputs, making it easy to monitor system activity at a glance. The display cycle of 10 times per second ensures real-time feedback, which is essential for fast-changing processes.

In terms of functionality, the AP-V41 provides flexible output and control options. It includes two PNP open collector outputs (up to 100 mA each) that can be configured as normally open or normally closed, depending on system requirements. An analog output (1–5 V) is available for continuous monitoring, and a zero-shift input function allows recalibration without removing the sensor from its setup. The selectable response time settings (from 1 ms in high-speed mode to 500 ms for stable readings) ensure adaptability to either fast-moving processes or applications requiring noise reduction.

The AP-V41 is engineered with durability and efficiency in mind. Built from tough polycarbonate housing, the unit can withstand vibration levels of 10 to 55 Hz at 1.5 mm amplitude for extended periods in three axes. It operates within a temperature range of 0 to +50 °C and relative humidity of 35–85% RH, making it suitable for most industrial environments. Energy-saving features include an eco mode, reducing power consumption to as low as 480 mW, which helps optimize overall system efficiency.

Compact and lightweight at just 80 g, the AP-V41 is easy to mount and integrate using the included bracket and head connector. This compact size, combined with its robust environmental resistance, makes it an ideal choice for installation in space-limited or vibration-prone locations.

In conclusion, the Keyence AP-V41 Amplifier Unit combines precision, flexibility, durability, and energy efficiency. Its compatibility with multiple pressure sensor heads, coupled with advanced display and output functions, ensures it meets the requirements of modern automation systems where reliability and accuracy are paramount.