GT2-A12L Air Push Contact Sensor Head by Keyence
Keyence GT2-A12L is a high-accuracy digital contact sensor head. It belongs to the GT2 series. This air push type offers a 12 mm stroke. It uses the Scale Shot System. The system is absolute type. It has no tracking error. Resolution reaches 0.5 µm. Indicated accuracy is 2 µm (p-p). It connects to a GT2 amplifier via M8. It suits low-stress measurement in automation lines.
Why Buy From Oiltech Controls?
- More than 15 years in industrial automation spare parts.
- Global shipment support for urgent plant needs.
- Tested industrial surplus and refurbished options.
- 12-month warranty on eligible products.
- Technical verification before shipment.
- Support for obsolete control systems.
Technical Data
| Brand | Keyence |
| Model | GT2-A12L |
| Series | GT2 series |
| Module Type | Digital contact sensor head, air push type |
| Detection System | Scale Shot System, absolute type |
| Measuring Range | 12 mm |
| Resolution | 0.5 µm |
| Indicated Accuracy | 2 µm (p-p) |
| Measuring Force Downward | 0.4 N |
| Measuring Force Side | 0.3 N |
| Measuring Force Upward | 0.2 N |
| Sampling Cycle | 1 ms |
| Frequency Response | Not available |
| Sensitivity | Not available |
| Linearity | Not available |
| Operation Indicator | 2-colour LED, red and green |
| Fluid Used | Dry air |
| Pressure Resistance | 1 MPa |
| Applied Pressure Range | 0.25 to 0.50 MPa |
| Built-in Ports | None |
| Protocols | None |
| Communication Expansion | None |
| Supply Voltage | Not available; powered by GT2 series amplifier |
| Power Consumption | Not available |
| Output Type | Not available; connects to GT2 amplifier via M8 |
| Operating Temperature | 0 to +55 °C, no freezing |
| Storage Temperature | Not available |
| Relative Humidity | 35 to 85 % RH, no condensation |
| Protection Rating | Not available |
| Dimensions | Not available |
| Weight | Approx. 145 g, not including cable |
| Lifecycle | Active; official Keyence production status confirmed |
| Last Verified | 2026-09 |
Installation Guide
- Mount the GT2-A12L in downward, side, or upward position.
- Check measuring force for each mounting direction.
- Use dry air only.
- Keep pressure between 0.25 and 0.50 MPa.
- Do not exceed 1 MPa pressure resistance.
- Connect the M8 plug to a compatible GT2 amplifier.
- Keep the area free from condensation and freezing.
Setup and Maintenance
- Use the 2-colour LED for quick status checks.
- Red and green lights show operating state.
- Clean the contact area with care.
- Check air supply before each run.
- Verify pressure and mounting direction regularly.
- Replace worn contact parts when accuracy drops.
Compatibility
- Works with GT2 series amplifiers.
- Uses an M8 connector.
- No built-in communication port.
- No protocol support inside the head.
- No communication expansion inside the head.
- Amplifier supplies power and signal handling.
Certifications and Compliance
- Official Keyence production status confirmed.
- Product lifecycle status: Active.
- Last verified: 2026-09.
- Specific certification documents are not listed here.
- Contact us for certificate requests.
Packing List
- 1 x Keyence GT2-A12L sensor head
- M8 connector interface on unit
- Cable not included in weight figure
- Protective packing for safe transport
- Documentation available on request
Warranty and Shipping
- 12-month warranty on eligible products.
- Technical verification before shipment.
- Shipping by FedEx, UPS, and DHL.
- Global shipment support for industrial users.
- Tracking details shared after dispatch.
- Packaging designed for safe handling.
Typical Applications
- Thickness checking on production lines.
- Step height measurement in fixtures.
- Wear inspection on machined parts.
- Position checking in automated cells.
- Low-stress measurement on soft parts.
- Inline quality checks with GT2 amplifiers.
Diagnostic Capability
- 2-colour LED supports fast visual diagnosis.
- Absolute system avoids tracking error.
- Stable 1 ms sampling helps catch fast changes.
- 0.5 µm resolution supports fine deviation checks.
- 2 µm accuracy supports precise process control.
- Amplifier pairing enables signal monitoring.
FAQ
Q: What is the measuring range?
A: The range is 12 mm.
Q: What is the resolution?
A: The resolution is 0.5 µm.
Q: What is the accuracy?
A: The indicated accuracy is 2 µm (p-p).
Q: What air pressure does it use?
A: It uses 0.25 to 0.50 MPa dry air.
Q: What is the sampling cycle?
A: The sampling cycle is 1 ms.
Q: How does it connect?
A: It connects to a GT2 amplifier via M8.
Q: What is the warranty?
A: Eligible products include a 12-month warranty.
Q: How do you ship?
A: We ship by FedEx, UPS, and DHL.
Contact Oiltech Controls
Email: info@oiltechcontrols.com
Phone: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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