Product Description

The Keyence PT-A170 is a high-precision amplifier unit designed for use with the PT series optical displacement sensors. It features a spot diameter of up to 1.5 mm and offers exceptional repeatability of 5 µm, making it ideal for applications requiring fine displacement measurements. The amplifier provides two NPN open-collector outputs with a maximum load of 100 mA and a response time of 0.5 ms, ensuring rapid and accurate signal processing. It operates on a 12 to 24 VDC power supply and consumes a maximum of 50 mA. The PT-A170 is housed in a durable polycarbonate casing and weighs approximately 150 g, offering robust performance in various industrial environments.​

Technical Specifications

• Feature Specification
• Model PT-A170
• Type Amplifier Unit
• Spot Diameter 1.5 mm max.
• Repeatability 5 µm
• Hysteresis 20 µm
• Sensitivity Adjustment 10-turn trimmer
• Control Output 2 × NPN open-collector, 100 mA max. (40 V max.), Residual voltage: 1 V max.
• Response Time 0.5 ms
• Power Supply Voltage 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less
• Current Consumption 50 mA max.
• Ambient Light Resistance 5,000 lux max.
• Temperature Coefficient 0.025% of F.S. per °C
• Ambient Temperature 0 to +50 °C
• Relative Humidity 35 to 85 % RH (No condensation)
• Vibration Resistance 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions
• Material Polycarbonate
• Weight Approx. 150 g