Overview
The Keyence GP-M400 is a heavy duty type digital pressure sensor engineered for reliable measurement in demanding industrial applications. This positive-pressure unit delivers 0-40 MPa sensing capability with a displayable range from -4.00 to +44.00 MPa, making it ideal for hydraulic systems, pneumatic circuits, and process control applications where accuracy and durability are critical.
Key Features
- Heavy duty construction rated for 100 MPa burst pressure
- Digital display with 0.01 MPa resolution for precise pressure monitoring
- G3/4 female thread connection with adapter options available
- M12 4-pin connector for reliable industrial integration
- Supply voltage: 10-30 VDC for flexible system integration
- Horizontal body rotation up to 330° for flexible mounting orientation
Technical Specifications
- Model: GP-M400
- Manufacturer: Keyence
- Pressure Range: 0 to 40 MPa (0-5802 PSI)
- Displayable Range: -4.00 to 44.00 MPa
- Zero Cut Pressure Value: ±0.5% of full scale
- Burst Pressure: 100 MPa
- Display Resolution: 0.01 MPa
- Supply Voltage: 10-30 VDC
- Connection Type: G3/4 female thread
- Connector: M12 4-pin
- Weight: 1.52 lbs
- Type: Positive-pressure sensor with built-in amplifier
Typical Applications
- Hydraulic system pressure monitoring and control
- Pneumatic circuit pressure measurement
- Industrial automation pressure sensing
- Process equipment pressure feedback
- Machine tool hydraulic systems
- Pump and valve performance verification
Compatibility & Replacements
Compatible With
- Hydraulic and pneumatic systems with G3/4 threaded ports
- Industrial automation PLCs and controllers with analog/digital inputs
- M12 4-pin connector compatible control systems
- 10-30 VDC powered control panels and switchgear
- Keyence OP-87281 and other standard adapters
Replaces / Drop-In Replacement For
- This unit is part of the Keyence GP-M series heavy duty pressure sensor family
- Suitable replacement for legacy positive-pressure sensors with identical G3/4 and M12 specifications
- Verify thread type, connector style, and voltage requirements before substitution
Works With
- Standard industrial M12 4-pin connector systems
- Allen-Bradley, Siemens, Mitsubishi, and Omron PLC analog input modules
- Keyence vision systems and process monitoring equipment
- EtherNet/IP and PROFIBUS enabled control networks (via gateway)
- Hydraulic test and measurement software platforms




