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  3. ASHCROFT 501008S02L400

ASHCROFT 501008S02L400 Dial Npt Water Pressure Gauge 1/4

501008s02l400 Ashcroft 501008s02l400# Pressure Gauge To 400 Psi 2 In Dial 1/4 Npt

( Brand: Ashcroft ), ( Manufacturer Part Number: 501008S02L400 ), ( Country Of Origin: Br ), ( Type: Pressure Vacuum Measuring Pressure Gauges ), ( Weight: 0.2500 ), ( Length: 2.400 ), ( Features: Pressure Gauge, Nominal Dial Size 2 In, Accuracy /-3-2-3 Percent ), ( Battery Included: No )

Review ASHCROFT 501008s02l400# Pressure Gauge To 400 Psi In Dial 1/4 Npt

The **Ashcroft 501008S02L400 Pressure Gauge** is a precision-engineered instrument designed for reliable and accurate measurement of fluid pressure in industrial, commercial, and residential applications. This model features a **400 psi (pounds per square inch) dial range**, making it ideal for systems where moderate to high-pressure monitoring is required, such as HVAC systems, plumbing, automotive brake lines, or compressed air applications. The **1/4-inch NPT (National Pipe Thread) male connection** ensures a secure and leak-proof fit, allowing for easy installation on pipes, fittings, or valves without the need for additional adapters. Crafted with durability in mind, the gauge is built to withstand harsh environments, featuring a robust **cast brass body** that resists corrosion and wear, while the **anodized aluminum case** provides a sleek, professional finish that is both functional and visually appealing.

The gauge s **bourdon tube mechanism** delivers precise readings with minimal hysteresis, ensuring consistent accuracy over time. The **black dial with white markings** offers high contrast for easy visibility, while the **large, easy-to-read numerals** allow operators to quickly assess pressure levels without strain. The **screw-in connection** simplifies installation and removal, reducing downtime during maintenance or gauge replacement. Additionally, the gauge is equipped with a **sealed back, filled with nitrogen**, which protects the internal components from moisture, dust, and temperature fluctuations, extending the lifespan of the instrument. Whether used in a workshop, industrial facility, or residential setting, the Ashcroft 501008S02L400 delivers dependable performance, combining reliability, ease of use, and long-term durability to meet the demands of modern pressure monitoring needs.

### **Pros and Cons of buying a Ashcroft 501008S02L400 Pressure Gauge (400 PSI, 1/4 NPT)**

#### **Pros:**

1. **Durability and Build Quality** Ashcroft is a well-known brand in industrial instrumentation, known for producing high-quality, long-lasting pressure gauges. This model is designed for rugged applications, making it suitable for harsh environments.

2. **Accurate and Reliable Readings** The gauge features a 400 PSI range, which is precise for many industrial, automotive, and HVAC applications. The dial is clearly marked, ensuring easy interpretation of pressure levels.

3. **Easy Installation** The 1/4 NPT (National Pipe Thread) connection is standard in many industries, allowing for straightforward installation without the need for additional adapters in most cases.

4. **Wide Range of Applications** With a 400 PSI range, this gauge is versatile for use in:

- **HVAC systems** (air conditioning, refrigeration)

- **Automotive diagnostics** (brake systems, fuel pressure)

- **Industrial machinery** (hydraulic systems, pneumatic tools)

- **Plumbing and water systems** (where moderate pressure monitoring is required)

5. **Affordable for Its Quality** Compared to some high-end industrial gauges, this Ashcroft model offers good value for its performance and reliability.

6. **Standardized Design** The 4-inch dial size provides a large, readable display, reducing the risk of misreading pressure levels.

7. **Compatibility with Common Fittings** The 1/4 NPT thread is widely available, making it easy to find replacement parts or compatible fittings if needed.

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#### **Cons:**

1. **Limited Pressure Range** At 400 PSI, this gauge is not suitable for high-pressure applications (e.g., heavy-duty hydraulic systems, steam boilers, or high-pressure gas lines). If you need a higher range (e.g., 1000 PSI or more), you would need a different model.

2. **Potential for Dial Wear Over Time** Like all mechanical gauges, the dial and pointer may experience slight wear with prolonged use, though Ashcroft gauges are generally more durable than cheaper alternatives.

3. **No Built-in Protection Against Overpressure** This gauge does not include a burst disk or pressure relief mechanism. In systems where sudden spikes in pressure could occur, an additional pressure relief valve may be necessary.

4. **Basic Construction (No Special Features)** Unlike some premium models, this gauge lacks advanced features such as:

- **Remote sensing** (for monitoring pressure at a distance)

- **Digital display** (if analog-only is not sufficient)

- **Specialized coatings** (e.g., corrosion-resistant finishes for extreme environments)

5. **Potential for Inaccuracies in Extreme Conditions** If exposed to extreme temperatures, vibrations, or corrosive substances, the gauge s accuracy may degrade over time.

6. **Replacement Parts May Be Required** Over time, the gauge may need seals, springs, or other internal components replaced, which could add to long-term costs.

---

### **Conclusion**

The **Ashcroft 501008S02L400 pressure gauge** is a solid, mid-range choice for applications requiring **moderate pressure monitoring (up to 400 PSI)** in industrial, automotive, or HVAC settings. Its **durability, readability, and compatibility with standard fittings** make it a practical option for many users. However, it is **not ideal for high-pressure systems** or environments with extreme conditions, where more specialized gauges may be necessary.

If your application falls within its **intended range** and you prioritize **reliability and ease of use**, this gauge is a **good investment**. For **high-pressure, high-precision, or extreme-environment applications**, consider a different model with additional features.

### **Recommendation**

- **Buy this gauge if:**

- You need a **400 PSI-rated** pressure gauge for **HVAC, automotive diagnostics, or light industrial use**.

- You prefer a **well-known brand** with a balance of **cost and quality**.

- Your system **does not experience extreme pressure spikes or corrosive conditions**.

- **Consider alternatives if:**

- You require **higher pressure ranges** (e.g., 1000 PSI or more).

- Your application involves **high vibrations, extreme temperatures, or corrosive media**, which may require a more robust or specialized gauge.

- You need **remote sensing, digital displays, or additional safety features** (e.g., burst disks).

For most **general-purpose, moderate-pressure applications**, this Ashcroft gauge is a **reliable and cost-effective choice**.

Details:

ASHCROFT 501008S02L400# Pressure Gauge, to 400 psi, 2 in Dial, 1/4 NPT,: Nominal Dial Size in, Accuracy /-3-2-3 Percent, Gauge Case Material 304 Stainless Steel, Process Connection Type NPT, Gender Male, Lens Poly carbonate, Location Bottom, Color IP/NEMA Rating IP66, NEMA4X, Primary Range 4 Liquid-Filled No, Socket 316L Sensor Steel Details. Light Industrial. And Enclosures. Receptacles.

Electrical Boxes. Electrical Outlet's.

part #: 501008s02l400 price

  • $70.59

specifications pressureswitchiz:

  • brand: Ashcroft
  • mpn: 501008s02l400
  • country of origin: Br
  • type: Pressure Vacuum Measuring Pressure Gauges
  • weight: 0.2500
  • length: 2.400
  • features: Pressure Gauge, Nominal Dial Size 2 In, Accuracy /-3-2-3 Percent
  • battery included: No

offer pressureswitchiz:

  • options: Ship-to-home
  • started: May 28, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 9

payments pressureswitchiz:

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

shipping pressureswitchiz:

  • cost: $5.00
  • transit: 4-4 Days
  • type: Fixed
  • class: Standard
  • service: Standard

seller pressureswitchiz:

  • # reviews: 1375540
  • rating: 99.8%
  • city: USA

returns pressureswitchiz:

  • time: 60 Days
  • policy: Returns Accepted
  • method: Money back
  • paid by: Seller

general pressureswitchiz:

  • condition: New
  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
country of origin: br, type: pressure vacuum measuring pressure gauges, length: 2.400, features: pressure gauge, nominal dial size 2 in, accuracy /-3-2-3 percent, battery included: no,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, weight: 0.2500, sku: 18608504409580008,
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  • New. Offer #1 priced at $70.59 + $5.00 shipping estimate = $75.59* total. Electrical Boxes #.+$5.00 shipping

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