ASHCROFT 451082AS02L100 Gauge Npt 0-100 1/4 4902

( Brand: Ashcroft ), ( Manufacturer Part Number: 451082AS02L100 ), ( Part Type: Gauge )

Review ASHCROFT 451082as02l100# 1082 Test Gauge 0-100 Psi 1/4 Npt Used

The **Ashcroft 451082AS02L100 1082 Gauge 0-100 PSI NPT Pressure Gauge** is a precision-engineered, high-performance instrument designed for reliable and accurate pressure measurement in industrial, commercial, and mechanical applications. Crafted with Ashcroft s signature durability and engineering excellence, this gauge features a robust **1082 series** movement, renowned for its exceptional accuracy, stability, and resistance to vibration and shock. The **0-100 PSI** range ensures it is well-suited for low-to-moderate pressure systems, including hydraulic lines, pneumatic circuits, compressed air applications, and HVAC systems where precise monitoring is critical. Constructed with a ** NPT (National Pipe Thread) female connection**, this gauge provides a secure, leak-proof interface for easy installation on pipes, fittings, or manifolds, making it versatile for both new installations and retrofitting existing systems. The **anodized aluminum case** offers corrosion resistance and a sleek, professional appearance, while the **clear, high-contrast dial face** delivers excellent readability even in low-light conditions. The gauge s **bourdon tube mechanism** ensures smooth, responsive operation with minimal hysteresis, providing consistent readings under varying pressure fluctuations. Additionally, the **0.5% of full-scale accuracy** and **class II precision** certification guarantee dependable performance in demanding environments. Whether integrated into a control panel, mounted on a machine, or used in portable applications, this Ashcroft gauge delivers the confidence of a trusted brand known for longevity, minimal maintenance, and adherence to strict industry standards. Its compact yet sturdy design makes it an ideal choice for engineers, technicians, and operators who demand both performance and reliability in their pressure measurement solutions.

The **Ashcroft 451082AS02L100** is a **0-100 psi, 1/4 NPT, 1082 gauge pressure gauge** designed for industrial applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Accuracy and Reliability**

- Ashcroft is a well-established brand known for precision-engineered instruments. This gauge is designed for industrial use, where accuracy is critical. The 1082 gauge movement ensures consistent performance over time, reducing the risk of false readings.

2. **Durable Construction**

- The gauge is built to withstand harsh environments, including vibration, temperature fluctuations, and moisture. The robust casing and sealing mechanisms help prevent damage from external factors, making it suitable for factory floors, HVAC systems, and other industrial settings.

3. **Wide Compatibility**

- The **1/4 NPT** connection is a standard size, making it easy to integrate into existing systems without requiring custom fittings. It works with various pressure lines, including air, water, and light gases (though always verify compatibility with the specific medium).

4. **Easy Readability**

- The large dial and clear markings (0-100 psi) allow for quick and accurate pressure monitoring. The gauge s design minimizes parallax error, which is beneficial in fast-paced industrial operations.

5. **Low Maintenance Requirements**

- Ashcroft gauges are generally low-maintenance. The sealed movement reduces the need for frequent adjustments or recalibration, though periodic checks are still recommended to ensure longevity.

6. **Industrial-Grade Protection**

- The gauge likely includes features such as a **glass face** (shatterproof or reinforced) and **metal housing**, which protect against physical impact and environmental contaminants.

7. **Warranty and Support**

- Ashcroft products typically come with manufacturer warranties, and their reputation for customer support ensures easier troubleshooting or replacement if issues arise.

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### **Cons**

1. **Limited Range**

- The gauge measures only up to **100 psi**, which may be insufficient for high-pressure applications (e.g., hydraulic systems, compressed air lines exceeding this range). If your system operates at higher pressures, you would need a different gauge.

2. **Potential for Condensation or Moisture Damage**

- While the gauge is sealed, prolonged exposure to extreme humidity or temperature swings (e.g., in outdoor or unconditioned environments) could lead to condensation inside the casing, affecting accuracy or causing corrosion over time.

3. **Cost Relative to Basic Gauges**

- Compared to cheaper, non-branded gauges, the Ashcroft model is more expensive. For applications where budget is a major constraint, a lower-cost alternative might suffice, though with potentially shorter lifespan or less reliability.

4. **Calibration Needs Over Time**

- Even high-quality gauges drift slightly over time due to wear or environmental factors. While Ashcroft gauges are durable, they may require periodic calibration (especially in critical applications) to maintain accuracy.

5. **Size and Installation Constraints**

- The gauge s physical dimensions (e.g., diameter, mounting flange) may not fit in all spaces. Ensure your installation location has adequate clearance for proper mounting and readability.

6. **Limited Material Compatibility**

- While the gauge is likely suitable for air, water, and some gases, it may not be compatible with **corrosive fluids, chemicals, or high-temperature media** without additional protection (e.g., a diaphragm seal). Always verify compatibility with the specific medium in your system.

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### **Conclusion**

The **Ashcroft 451082AS02L100** is an excellent choice for **industrial applications requiring reliable, accurate pressure monitoring within the 0-100 psi range**. Its durability, precision, and compatibility with standard fittings make it a strong investment for environments where gauge failure could lead to inefficiencies or safety risks. However, it may not be ideal for **high-pressure systems, corrosive media, or cost-sensitive applications** where a lower-end gauge would suffice.

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### **Recommendation**

- You need a **high-quality, long-lasting pressure gauge** for **0-100 psi applications** (e.g., HVAC, pneumatic systems, light industrial processes).

- Your system uses **non-corrosive media** (e.g., air, water, or inert gases) and operates within the specified range.

- You prioritize **accuracy, reliability, and brand support** over cost savings.

- The **1/4 NPT connection** matches your existing system, and installation space is adequate.

- Your system requires **higher pressure ranges** (e.g., 150 psi or above). In this case, look for Ashcroft models with extended ranges (e.g., 451082AS02L150) or other brands like **Wika, Dwyer, or Omega**.

- You work with **corrosive fluids or extreme temperatures**, which may require a **diaphragm seal or specialized material** (e.g., stainless steel).

- Budget is a major concern, and you can tolerate slightly lower durability or accuracy from a mid-range gauge (e.g., **Grainger or local industrial suppliers**).

- Your application demands **remote monitoring or digital readouts**, in which case a **transmitter or smart gauge** would be more appropriate.

**Final Verdict:** For most **standard industrial 0-100 psi applications**, the Ashcroft 451082AS02L100 is a **solid, well-supported purchase** that balances performance and longevity. If your needs align with its specifications, it is a recommended choice.

Details:

Prices for these options may differ from standard ground shipping. UPS 2 Day Air AM. UPS Next Day AM.

Item is sold as pictured. Ashcroft 451082AS02L100# 1082 Test Gauge, 0-100 PSI, 1/4 NPT, 4902. The cost of combined shipping depends on weight, location buyer and size box. These services include: UPS 3 Day Select.

part #: 451082as02l100 prices

• $25.00-$150.00

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 451082as02l100
• part type: Gauge

general pressureswitchiz:

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

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offer pressureswitchiz:

• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 25, 2026

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• # reviews: 27573
• city: Kawkawlin, Michigan
• rating: 100.0%

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• class: Standard, Expedited, One-day
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail, UPS Next Day Air
• carrier: USPS, UPS
• type: Calculated
• cost: $15.20
• transit: 3-8 Days

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