OVERVIEW

Official designation: KEYENCE GT2-H12K and GT2-75N (GT2 Series, Absolute Digital Contact Sensor and NPN Amplifier Unit)

Role/Application: This is a high-accuracy digital contact sensor system featuring an absolute-type sensor head (GT2-H12K) and a panel-mount NPN amplifier (GT2-75N) for precise, stable dimensional measurement.

KEY SPECS SUMMARY

Power: 10 to 30 VDC (GT2-75N Amplifier)

Interfaces / Ports: 12-core connector cable (Amplifier I/O)

Indicators: 2-color LED (Sensor head), 7-segment LED (Amplifier)

Operating Temp: Minus 10 to plus 55 degrees C (Sensor head)

Platform / Compatibility: Sensor head is IP67 rated, Amplifier is panel mount type

Limit: Resolution 0.1 micrometer, Indicated accuracy 1 micrometer

Lifecycle: Active, Part of the widely used GT2 series

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the measuring range and resolution of the GT2-H12K sensor head?

A: The measuring range is 12 mm with a high resolution of 0.1 micrometer.

Wiring & Installation:

Q: What is the required power supply voltage range for the GT2-75N amplifier unit?

A: The amplifier requires a power supply voltage between 10 VDC and 30 VDC.

Troubleshooting & Compatibility:

Q: What are the control output specifications for the NPN output on the GT2-75N amplifier?

A: The NPN open collector control output is rated for 40 VDC and 50 mA maximum.

Replacement & Upgrades:

Q: Can multiple GT2 sensor heads be connected to a single GT2-75N amplifier unit?

A: The GT2-75N is a main unit that can be linked with expansion units to connect up to 15 sensor heads total.