GT2-72CP Keyence Digital Contact Sensor Amplifier | GT2 Series Expansion Unit
The GT2-72CP is a high-accuracy digital contact sensor amplifier unit from the Keyence GT2 series. It mounts on a DIN rail and works as an expansion unit. The unit delivers a 0.1 µm display resolution for precise position and thickness checks. It offers a PNP output plus a 4 to 20 mA analog output. Use it with GT2-Pxxx heads for high-speed sampling. Add GT2 communication units for network options.
Brand: Keyence
Model: GT2-72CP
Series: GT2 series
Type: Expansion unit, DIN-rail mount
Why Buy From Oiltech Controls?
- More than 15 years in industrial automation spare parts
- Worldwide shipping through FedEx, UPS, and DHL
- Tested industrial surplus and refurbished options
- 12-month warranty on eligible products
- Technical verification before every shipment
- Support for obsolete and discontinued control systems
Questions? Email info@oiltechcontrols.com or message us on WhatsApp at +86 158 8020 0923.
Technical Specifications
| Brand | Keyence |
| Model | GT2-72CP |
| Series | GT2 series |
| Module Type | High-accuracy digital contact sensor amplifier unit |
| Mounting | DIN-rail mount, expansion 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 |
| Response Time with GT2-Pxxx Heads | hsp(12)/20/40/400/2,000/4,000 ms |
| Control Input | Timing, preset, reset, bank no-voltage input |
| Output Type | HH/HI/GO/LO/LL PNP open collector |
| Output Rating | 40 V / 50 mA or less, residual voltage 1 V or less |
| Analog Output | 4 to 20 mA, max. load resistance 350 Ω |
| Supply Voltage | 10 to 30 VDC, ripple (p-p) 10 percent included, Class 2 |
| Power Consumption | 2,200 mW or less (73.3 mA or less at 30 V) |
| Built-in Ports | None |
| Protocols | None |
| Communication Expansion | Via optional GT2 series communication units, sold separately |
| Operating Temperature | -10 to +50 °C, no freezing |
| Relative Humidity | 35 to 85 % RH, no condensation |
| Storage Temperature | Not available |
| Protection Rating | Not available |
| Dimensions (H×W×D) | Not available |
| Weight | Approx. 140 g, including power cable |
| Lifecycle | Active; official Keyence production status confirmed. Last verified: 2026-09 |
Measurement Performance
- Measuring Range: -199.999.9 to 199.999.9 display range
- Resolution: 0.1 µm display resolution
- Frequency Response: hsp(3) to 1,000 ms; hsp(12) to 4,000 ms with GT2-Pxxx heads
- Sensitivity: Stable detection through PNP open collector output
- Linearity: High-accuracy digital contact sensing design
- Temperature Range: -10 to +50 °C operating
- Environmental Tolerance: 35 to 85 % RH, no condensation
- Noise Immunity: Ripple (p-p) 10 percent included in supply voltage
Installation Guide
- Mount the unit on a standard DIN rail.
- Use it as an expansion unit beside a main amplifier.
- Connect 10 to 30 VDC Class 2 power.
- Keep ripple within 10 percent peak-to-peak.
- Wire timing, preset, reset, and bank inputs as needed.
- Connect PNP outputs to a compatible PLC or controller.
- Use the 4 to 20 mA analog output for remote monitoring.
- Add a GT2 communication unit for network access.
Setup and Maintenance
- Zero the display with the preset input.
- Use the timing input for synchronized readings.
- Reset the unit to clear stored states.
- Switch banks for stored setup values.
- Keep the DIN rail and terminals clean and dry.
- Check cable connections during routine service.
- Do not exceed 50 mA per output.
- Confirm analog load stays below 350 Ω.
Compatibility
- Works with Keyence GT2 series amplifier systems.
- Supports GT2-Pxxx contact sensor heads.
- Connects to optional GT2 communication units.
- Fits PLCs and controllers with PNP input support.
- Analog output matches devices with 4 to 20 mA input.
- Replaces or expands existing GT2 setups.
Certifications and Compliance
- Official Keyence production status confirmed.
- Class 2 power supply required.
- PNP open collector output standard.
- RoHS and CE details available on request.
- Contact us for current compliance documents.
Package List
- 1x Keyence GT2-72CP amplifier unit
- 1x power cable
- Approx. weight: 140 g including cable
- Original packaging may vary
- Accessories depend on order options
Warranty and Shipping
All eligible products come with a 12-month warranty. We ship worldwide by FedEx, UPS, and DHL. Each order passes technical verification before shipment. Contact info@oiltechcontrols.com or WhatsApp +86 158 8020 0923 for stock and lead time.
Typical Applications
- Thickness measurement on production lines
- Position checking in automated machinery
- Go and no-go inspection stations
- Wear and gap measurement
- Quality control in electronics and automotive
- Retrofit of obsolete GT2 systems
Diagnostic Capabilities
- HH, HI, GO, LO, and LL judgment outputs
- Fast response selection for dynamic checks
- Analog output for trend monitoring
- Bank switching for multiple part setups
- Preset and reset for repeatable testing
- Clear pass and fail signals for operators
FAQ
Q: What is the GT2-72CP?
A: It is a Keyence GT2 series digital contact sensor amplifier expansion unit.
Q: What resolution does it offer?
A: It provides a 0.1 µm display resolution.
Q: What output types are available?
A: It has PNP open collector outputs and a 4 to 20 mA analog output.
Q: Does it have built-in communication?
A: No. Add an optional GT2 series communication unit for network use.
Q: What is the operating temperature?
A: The range is -10 to +50 °C with no freezing.
Q: Is it in active production?
A: Yes. Keyence confirms active production status as of 2026-09.
Q: How is it shipped?
A: We ship by FedEx, UPS, and DHL.
Q: What warranty applies?
A: Eligible products carry a 12-month warranty.
Q: Can you support obsolete systems?
A: Yes. We support obsolete and discontinued control systems.
Q: How do I request a quote?
A: Email info@oiltechcontrols.com or WhatsApp +86 158 8020 0923.
Contact Oiltech Controls
Email: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923
Website: https://www.oiltechcontrols.com/
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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