Keyence GT2-500 High-Accuracy Digital Contact Sensor Amplifier Unit
The Keyence GT2-500 is a high-accuracy digital contact sensor amplifier unit. It belongs to the GT2 series. This main unit supports multi-head connection and mounts on a DIN rail. It delivers 0.1 µm display resolution for precise measurement tasks. The GT2-500 is ideal for industrial automation, quality control, and inspection systems.
This amplifier unit has no built-in communication ports. You can add communication via optional GT2 series communication units. The unit operates on 10 to 30 VDC and provides reliable NPN open collector outputs. It is active in Keyence official production status (verified 2026-09).
Technical Specifications
| Brand | Keyence |
| Model | GT2-500 |
| Series | GT2 series |
| Type | High-accuracy digital contact sensor amplifier unit |
| Mounting | DIN-rail mount, multi-head main unit |
| Display Range | -199.999.9 to 199.999.9 |
| Display Resolution | 0.1 µm |
| Response Time | hsp(3)/5/10/100/500/1,000 ms (hsp(12)/20/40/400/2,000/4,000 ms with GT2-Pxxx heads) |
| Control Input | Timing / preset / reset / bank no-voltage input |
| Supply Voltage | 10 to 30 VDC, ripple (P-P) 10% included, Class 2 |
| Power Consumption | 4,800 mW (160.0 mA or less at 30 V) |
| Output Type | HH/HI/GO/LO/LL NPN open collector, 40 V / 50 mA or less, residual voltage 1 V or less |
| Operating Temperature | -10 to +50 °C (No freezing) |
| Relative Humidity | 35 to 85 % RH (No condensation) |
| Weight | Approx. 140 g |
| Built-in Ports | None |
| Protocols | None |
| Communication Expansion | Via optional GT2 series communication units (sold separately) |
| Storage Temperature | Not available |
| Protection Rating | Not available |
| Dimensions (H×W×D) | Not available |
| Lifecycle | Active; official Keyence production status confirmed (Last verified: 2026-09) |
Key Performance Data
- Measurement Range: -199.999.9 to 199.999.9
- Resolution: 0.1 µm
- Frequency Response: Fastest response time 3 ms (hsp)
- Linearity: Not specified by manufacturer
- Sensitivity: High accuracy via 0.1 µm resolution
- Temperature Range: -10 to +50 °C
- Environmental Resistance: 35 to 85 % RH, no condensation
- Anti-interference: Stable NPN open collector outputs, residual voltage ≤1 V
Installation Guide
- Mount the GT2-500 on a standard DIN rail.
- Use as a multi-head main unit. Connect GT2 series sensor heads.
- Wire power supply: 10 to 30 VDC, Class 2. Keep ripple below 10% (P-P).
- Connect control inputs for timing, preset, reset, or bank switching.
- For communication, add an optional GT2 series communication unit.
- Keep operating temperature between -10 and +50 °C. Avoid freezing.
Debugging and Maintenance Convenience
- No built-in communication ports. Use expansion units for network integration.
- Front panel display shows readings clearly. Resolution is 0.1 µm.
- Response time selectable: 3, 5, 10, 100, 500, or 1,000 ms. Also 12, 20, 40, 400, 2,000, or 4,000 ms with GT2-Pxxx heads.
- No special maintenance required. Keep unit dry and within humidity range.
- Weight is only approx. 140 g. Easy to handle and replace.
Compatibility Notes
- Works with GT2 series sensor heads, especially GT2-Pxxx for extended response times.
- Communication requires optional GT2 communication units. No native protocols.
- Outputs: HH, HI, GO, LO, LL NPN open collector. Max 40 V, 50 mA.
- Power supply must be Class 2, 10–30 VDC. Do not exceed 30 V.
Certifications
No specific certifications listed in official data. The Keyence GT2-500 follows Keyence quality standards. For compliance details, contact info@oiltechcontrols.com.
Packing List
- 1x Keyence GT2-500 amplifier unit
- 1x Quick start guide (if supplied by Keyence)
- DIN rail mounting hardware (integrated)
Note: Sensor heads and communication units are sold separately.
Warranty and Shipping
- 12-month warranty from Oiltech Controls Limited.
- Shipping via FedEx, UPS, DHL worldwide.
- Each unit undergoes technical verification before shipment.
- Global shipment support available.
Typical Applications
- High-precision dimensional measurement in manufacturing.
- Quality control for small parts and components.
- Automated inspection systems with contact sensor heads.
- R&D labs requiring 0.1 µm resolution.
- Obsolete control system support and retrofits.
Diagnostic Capabilities
- Five-level output judgment: HH, HI, GO, LO, LL.
- Real-time display of measured values with 0.1 µm resolution.
- Timing and preset inputs help with process diagnostics.
- Bank switching allows multiple setup recall.
Why Buy From Oiltech Controls?
- 15+ years of industrial automation spare parts experience.
- Global shipment support to your location.
- Tested industrial surplus and refurbished options available.
- 12-month warranty on all qualifying products.
- Technical verification before shipment ensures function.
- Support for obsolete control systems and hard-to-find parts.
Frequently Asked Questions (FAQ)
Q: Does the GT2-500 have built-in communication?
A: No. Add an optional GT2 series communication unit for network access.
Q: What is the display resolution?
A: 0.1 µm. The display range is -199.999.9 to 199.999.9.
Q: Can I use GT2-Pxxx heads with this unit?
A: Yes. Response times change to 12/20/40/400/2,000/4,000 ms.
Q: What is the warranty period?
A: 12 months from Oiltech Controls Limited.
Q: How fast is shipping?
A: We ship via FedEx, UPS, DHL. Contact us for lead times.
Contact Information
Email: info@oiltechcontrols.com
Phone / WhatsApp: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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