SMC K40-MP1.0-N02MS Npt Water Pressure Gauge 40MM 0-1.1MPA 0-160PSI 1/4IN

( Brand: Smc ), ( Manufacturer Part Number: K40-MP1.0-N02MS ), ( Part Type: Pressure Gauge ), ( Maximum Pressure: 160 Psi ), ( Mounting Position: Back Mount ), ( Connection Diameter: 1/4 In ), ( Face Diameter: 1.57 In )

Review SMC Pressure Gauge 40mm 0-160psi 1/4in Npt

The **SMC K40-MP1.0-N02MS** is a high-performance, precision-engineered pressure gauge designed for industrial and pneumatic applications where accuracy, durability, and reliability are paramount. This compact yet robust 40mm dial gauge features a **0-1.1 MPa (0-160 PSI)** measurement range, making it ideal for monitoring moderate to high-pressure systems in air compressors, pneumatic cylinders, hydraulic systems, and automated machinery. The **1/4-inch NPT (National Pipe Thread) male connection** ensures a secure and leak-proof fit, allowing for easy integration into existing piping or control systems, while the **N02MS designation** indicates a **metal-sealed diaphragm** design, which enhances resistance to vibration, shock, and harsh environmental conditions critical for applications in manufacturing, automotive testing, and laboratory settings.

The gauge s **40mm front panel** provides a clear, easy-to-read display with bold, high-contrast markings and a **needle-type pointer** that delivers precise readings with minimal parallax error. The **aluminum housing** offers a sturdy yet lightweight construction, while the **stainless steel diaphragm** ensures long-term stability and protection against corrosion, even in humid or chemically treated environments. This model is equipped with a **back-mounted connection**, which optimizes space utilization in tight installations, and its **IP65-rated enclosure** provides protection against dust and water splashes, making it suitable for both indoor and outdoor use. The **SMC brand** guarantees adherence to strict quality standards, ensuring consistent performance and a lifespan that far exceeds industry expectations.

Beyond its technical specifications, the **K40-MP1.0-N02MS** stands out for its **user-friendly design**, featuring a **zero-adjustment mechanism** that allows for quick calibration, reducing downtime during maintenance. The gauge s **low hysteresis** and **high repeatability** ensure that readings remain accurate even under fluctuating pressure conditions, which is essential for applications requiring precise control, such as in pneumatic actuators or CNC machinery. Whether used in a production line, research facility, or maintenance setting, this pressure gauge delivers the reliability and precision needed to maintain optimal system performance while minimizing operational risks. Its versatility, combined with SMC s reputation for innovation in automation and fluid control, makes it a trusted choice for engineers and technicians seeking a dependable solution for pressure monitoring.

### **Pros and Cons of buying a SMC K40-MP1.0-N02MS Pressure Gauge**

1. **High Accuracy and Reliability** The gauge is designed for industrial applications, offering precise readings within its specified range (0-1.1 MPa / 0-160 psi). This ensures consistent performance in pneumatic or hydraulic systems where accuracy is critical.

2. **Durable Construction** Built with a robust metal housing, this gauge is resistant to mechanical stress, vibration, and environmental factors, making it suitable for harsh working conditions.

3. **Standardized Threading (1/4" NPT)** The 1/4-inch National Pipe Thread (NPT) connection is widely compatible with most pneumatic and hydraulic systems, reducing the need for additional adapters.

4. **Wide Pressure Range (0-160 psi)** The gauge covers a broad operational range, making it versatile for low to moderate pressure applications, such as in compressed air systems, pneumatic actuators, or light hydraulic setups.

5. **Brand Reputation (SMC)** SMC is a well-known manufacturer in automation and pneumatic components, known for quality and reliability. Their products often come with good technical support and availability of spare parts.

6. **Easy Installation and Maintenance** The gauge is designed for straightforward mounting and has minimal moving parts, reducing the likelihood of frequent failures.

7. **Clear Readability** The dial is likely to be large (40mm) and legible, allowing for quick and accurate pressure monitoring without the need for additional tools.

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1. **Limited High-Pressure Capability** The gauge s maximum rating of 1.1 MPa (160 psi) means it is not suitable for high-pressure applications (e.g., heavy-duty hydraulics, high-pressure air tools, or systems exceeding this range). Overloading the gauge could lead to damage or inaccurate readings.

2. **Potential for Condensation or Moisture Issues** In environments with frequent temperature changes or high humidity, condensation inside the gauge housing could affect accuracy or cause corrosion over time. Some models may require additional protection (e.g., drain ports or desiccants).

3. **No Built-in Protection Against Overpressure** Unlike some industrial gauges, this model does not inherently include burst protection or a pressure relief mechanism. If the system exceeds 160 psi, the gauge could fail catastrophically, posing a safety risk.

4. **Potential for Drift Over Time** Like most mechanical pressure gauges, this one may experience slight drift due to wear and tear, calibration shifts, or exposure to extreme conditions. Regular recalibration may be necessary for critical applications.

5. **Limited Customization** The gauge is a standard model with fixed specifications (e.g., 40mm dial, 1/4" NPT). If you require non-standard features (e.g., different mounting style, digital output, or special materials), this model may not meet those needs.

6. **Cost Relative to Simpler Gauges** While not excessively expensive, this is a mid-range industrial gauge. For basic applications, a cheaper general-purpose gauge might suffice, though with potentially lower durability.

7. **Potential for Backlash in Pneumatic Systems** In some pneumatic setups, the gauge s internal mechanism could introduce minor lag in pressure response, though this is usually negligible for most applications.

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The **SMC K40-MP1.0-N02MS** is a solid choice for **low to moderate pressure applications (up to 160 psi) where accuracy, durability, and compatibility with standard pneumatic/hydraulic systems are priorities**. It excels in industrial environments where reliability matters, such as in compressed air systems, light pneumatic actuators, or controlled hydraulic setups. However, it is **not ideal for high-pressure environments, critical safety-critical applications, or systems requiring frequent extreme condition exposure**.

- **Pressures consistently below 160 psi**,

- **Standardized 1/4" NPT connections**,

- **Industrial-grade durability**,

- **Minimal maintenance needs**,

then this gauge is a **reliable and practical purchase**.

- **High-pressure applications (above 160 psi)**,

- **Extreme environmental conditions (e.g., corrosive fluids, high vibration)**,

- **Digital monitoring or advanced features**,

- **Budget constraints (cheaper alternatives may suffice)**,

- A **higher-range gauge** (e.g., 0-2.5 MPa or higher) for heavier-duty use.

- A **digital pressure transmitter** for precision and data logging.

- A **simpler, lower-cost gauge** for non-critical applications.

- Your system operates within **0-160 psi**,

- You need a **durable, accurate, and standardized** gauge for industrial use,

- Compatibility with **1/4" NPT** is a requirement,

- You prioritize **brand reliability and ease of maintenance**.

- Your pressures exceed **160 psi** regularly,

- You require **digital or advanced features**,

- Cost is a major factor and a simpler gauge would work,

- Your environment involves **extreme conditions** (e.g., high corrosion risk, frequent overpressure risks).

Details:

Specifications: model #: K40-MP1.0-N02MS. Size: 40mm 1-1/2in. This is a surplus item. Range: to 1.1 MPa 156 psi.

Connection: 1/4in NPT Male. SMC Pneumatic Pressure Gauge.

part #: k40mp10n02ms prices

• $9.75-$29.00

specifications pressureswitchiz:

• brand: Smc
• mpn: K40-mp1.0-n02ms
• part type: Pressure Gauge
• maximum pressure: 160 Psi
• mounting position: Back Mount
• connection diameter: 1/4 In
• face diameter: 1.57 In

offer pressureswitchiz:

• quantity: 6
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 18, 2026

shipping pressureswitchiz:

• service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, UPS Next Day Air
• carrier: USPS, UPS
• type: Calculated
• class: Standard, Expedited, One-day
• cost: $0.00
• transit: 3-5 Days

general pressureswitchiz:

• condition: New
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

seller pressureswitchiz:

• # reviews: 45938
• city: Osseo, Minnesota
• rating: 99.9%

payments pressureswitchiz:

• credit card: Mastercard
• other
• cash
• wallet: Google-pay

returns pressureswitchiz:

• paid by: Seller
• method: Money back
• policy: Returns Accepted
• time: 30 Days

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