Product Description

The Keyence GT-72 is a high-precision digital contact displacement sensor amplifier unit designed for DIN rail mounting. It features an NPN output and serves as an expansion unit in the GT series, offering exceptional measurement accuracy and versatility for industrial automation applications. The amplifier supports a display range of -99.999 to 999.999 with a resolution of 1 µm, and provides various control and output options to facilitate integration into complex systems. Its robust design ensures reliable performance in demanding environments.​

Technical Specifications

• Feature Specification
• Model GT-72
• Type Amplifier unit
• Mounting Type DIN rail mount
• Output Type NPN open collector
• Power Supply 12 to 24 VDC (including ripple)
• Power Consumption Normal: 1,140 mW (95 mA) at 12 V; 1,200 mW (50 mA) at 24 V
• Eco: 600 mW (50 mA) at 12 V; 840 mW (35 mA) at 24 V
• Display 6-digit 7-segment LED (red); 2-color 13-level bar LED (red, green)
• Display Range -99.999 to 999.999
• Display Resolution 1 µm
• Sampling Rate 2,000 times/sec
• Control Inputs Timing, preset, and bank inputs (non-voltage)
• Control Outputs HIGH, GO, LOW: NPN open collector, 50 mA max., residual voltage 1 V or less
• Response Time hsp(1.5 ms), 5 ms, 10 ms, 100 ms, 500 ms, 1 s, 5 s
• Environmental Resistance Ambient temperature: -10 to +55°C; Relative humidity: 35 to 85% RH (no condensation)
• Vibration Resistance 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each direction
• Material Main body case: Polycarbonate; Key top: Polyacetal; Front sheet: Polycarbonate; Cable: PVC
• Weight Approximately 110 g (including power cable)