GT2-75N Keyence GT2 Series High-Accuracy Digital Contact Sensor Amplifier
Product Overview
The GT2-75N is a panel-mount main amplifier unit from the Keyence GT2 series. It delivers high-accuracy digital contact sensing for industrial automation. This unit offers a 0.1 µm display resolution and a wide display range. It supports NPN output and no-voltage control inputs. The GT2-75N is ideal for precise position and dimension checks on production lines.
Technical Specifications
| Brand | Keyence |
| Model | GT2-75N |
| Series | GT2 series |
| Type | High-accuracy digital contact sensor amplifier unit, panel mount, 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 |
| Output Type | HH/HI/GO/LO/LL NPN open collector, 40 V / 50 mA or less, residual voltage 1 V or less |
| Supply Voltage | 10 to 30 VDC, ripple (p-p) 10 % included, Class 2 |
| Power Consumption | 2,200 mW or less (73.3 mA or less at 30 V) |
| Operating Temperature | -10 to +50 °C (No freezing) |
| Relative Humidity | 35 to 85 % RH (No condensation) |
| Weight | Approx. 140 g (including panel mounting bracket, protective front cover and power cable) |
| Communication | No built-in ports. Expandable via optional GT2 series communication units (sold separately). |
Note: Frequency response, sensitivity, linearity, temperature range, environmental tolerance, and anti-interference capability are defined by the GT2 series amplifier specifications and connected sensor heads. The GT2-75N provides stable digital processing for these parameters.
Installation Guide
- Mount the unit on a panel using the supplied bracket.
- Connect a GT2 series sensor head to the amplifier.
- Wire the 10 to 30 VDC power supply with correct polarity.
- Connect NPN output loads within 40 V / 50 mA limits.
- Use no-voltage inputs for timing, preset, reset, or bank switching.
- Keep the unit away from excessive heat, moisture, and vibration.
Debugging and Maintenance Convenience
- Panel-mount design allows quick access for adjustments.
- Front protective cover shields the display and controls.
- Digital display shows clear readings for fast verification.
- Response time settings help match different production speeds.
- No routine calibration needed under normal conditions.
Compatibility Notes
The GT2-75N works with Keyence GT2 series sensor heads. It supports GT2-Pxxx and other compatible contact probes. For network or fieldbus communication, add an optional GT2 series communication unit. This amplifier is a main unit and does not include sensor heads or communication modules.
Certification Information
This product carries the Keyence standard industrial quality mark. Official production status is active as of 2026-09. For specific certification documents, contact info@oiltechcontrols.com.
Packaging List and Warranty
- GT2-75N amplifier unit
- Panel mounting bracket
- Protective front cover
- Power cable
Warranty: 12 months from the date of shipment. Covers manufacturing defects. Does not cover misuse or improper installation.
Shipping Methods
We ship worldwide via FedEx, UPS, and DHL. Tracking is provided for every order.
Typical Applications and Diagnostic Capability
- Precision positioning on assembly lines.
- Thickness and height measurement of small parts.
- Presence / absence checks for delicate components.
- Wear monitoring on stamping or molding tools.
- Go / No-Go inspection using HH, HI, GO, LO, LL outputs.
Diagnostics: The GT2-75N provides digital error codes for sensor disconnection, out-of-range values, and power issues. These codes help engineers troubleshoot fast.
FAQ
Q: Does the GT2-75N include a sensor head?
A: No. The sensor head is sold separately. Choose a GT2 series head for your application.
Q: Can I use this unit with a PLC?
A: Yes. The NPN open collector output connects directly to PLC inputs. Use the no-voltage inputs for control signals.
Q: How do I add communication?
A: Add an optional GT2 series communication unit. The GT2-75N has no built-in ports.
Q: What is the warranty period?
A: 12 months from shipment. Contact us for warranty claims.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment support with FedEx, UPS, and DHL.
- Tested industrial surplus and refurbished options available.
- 12-month warranty on every eligible product.
- Technical verification before shipment to ensure function.
- Support for obsolete control systems and hard-to-find parts.
Contact us: info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp).
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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