Keyence GT2-H12K High-Accuracy Digital Contact Sensor Head

The Keyence GT2-H12K is a contact-type digital probe sensor engineered for high-resolution displacement measurement in precision machining, inspection, and metrology applications. Featuring a 12 mm stroke, 0.1 μm resolution, and absolute Scale Shot detection, it provides high-speed, error-free measurement with IP67 durability for harsh environments. Ideal for factory automation, this probe is compatible with M8 connector cables and includes a robust die-cast zinc body for long-term reliability.

Technical Specifications

Manufacturer: Keyence
Series: GT2 Series
Model: GT2H12K
Type: Digital Contact-Type Probe Sensor (High-Precision)
Measurement Method: Scale Shot System (Absolute Measurement)
Measuring Range: 12 mm
Resolution: 0.1 μm
Indicated Accuracy: 1 μm (p-p) (at 20°C)

Measuring Force & Performance

Mounting Force (Typical):

• Downward: 1.0 N
• Side: 0.9 N
• Upward: 0.8 N

Sampling Cycle: 1 ms
Mechanical Response: 10 Hz
Indicator Light: Red/Green 2-colour LED

Environmental Resistance

IP Rating: IP67 (Sensor head only)
Operating Temperature: -10°C to +55°C (No freezing)
Humidity Range: 35–85% RH (No condensation)
Vibration Resistance:

• 10–55 Hz
• Double Amplitude: 1.5 mm
• Test Duration: 2 hours in X/Y/Z directions

Shock Resistance: 1,000 m/s² (IEC60068-2-27 compliant)

Material & Construction

• Main Case: Die-cast Zinc
• Indicator Lens: Polyarylate (PAR)
• Dust Boot: NBR
• Contact Tip: SUS304 / Cemented Tungsten Carbide (Optional variations available)
• Cable Connection: M8 (Cable sold separately)
• Weight: Approx. 95 g (Excluding cable)

Included Accessories

• Instruction Manual

Key Features & Benefits

✅ Absolute Measurement System. Prevents tracking errors for repeatable accuracy.

✅ 0.1 μm Resolution. Delivers ultra-fine measurement data for precision applications.

✅ Fast 1 ms Sampling Rate. Supports real-time data acquisition in automation.

✅ IP67 Environmental Protection. Operates reliably in dusty or wet conditions.

✅ Industrial Durability. Die-cast zinc body resists mechanical wear and vibration.

✅ Mounting Versatility. Suitable for downward, side, and upward orientations.

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