ASHCROFT Digital Vacuum Gauge Hg 302074SD02LXBLCYLMNB30/0IMV 1/4NPT 30IN/HG
( Brand: Ashcroft ), ( Manufacturer Part Number: 302074SD02LXBLCYLMNB30/0IMV ), ( Part Type: Digital Vacuum Gauge )
Review ASHCROFT 302074sd02lxblcylmnb30/0imv Digital Vacuum Gauge 1/4npt 30in/hg
The **Ashcroft 302074SD02LXBL-CYLMNB30/0IMV Digital Vacuum Gauge (1/4 NPT, 30 in/Hg)** is a high-performance, precision-engineered instrument designed for demanding industrial, laboratory, and HVAC applications where accurate vacuum measurement is critical. This advanced digital gauge combines Ashcroft s renowned reliability with cutting-edge technology to deliver real-time, high-resolution readings of vacuum levels within a range of 0 to 30 inches of mercury (in/Hg), making it ideal for monitoring systems such as refrigeration units, air conditioning compressors, vacuum pumps, and process control environments. The gauge features a sleek, compact design with a **1/4-inch National Pipe Thread (NPT) male connection**, ensuring compatibility with a wide range of piping systems while maintaining a secure, leak-proof seal. Its **LCD display** provides clear, backlit numerical output with high contrast, allowing for easy visibility even in low-light conditions, while the **digital interface** offers precise readings with minimal hysteresis, ensuring consistency and accuracy across varying operational conditions.
What sets this gauge apart is its **dual-mode functionality**, allowing users to toggle between **absolute and differential pressure readings** with the push of a button, enhancing its versatility for applications requiring both standalone vacuum measurement and comparative analysis. The **low-profile, flush-mounting design** minimizes obstruction in tight spaces, while the **stainless steel construction** and corrosion-resistant materials ensure durability in harsh environments, including exposure to moisture, chemicals, and temperature fluctuations. The gauge is equipped with a **self-diagnostic system** that continuously monitors internal performance, alerting users to potential issues before they escalate, thereby reducing downtime and maintenance costs. Additionally, its **low-power consumption** makes it energy-efficient for continuous operation, and the **user-friendly menu navigation** simplifies calibration, unit conversion (e.g., in/Hg to mbar or Pa), and data logging functions, making it accessible for both technical and non-technical operators.
For enhanced usability, the Ashcroft 302074SD02LXBL-CYLMNB30/0IMV includes **optional communication interfaces**, such as **RS-485 or Modbus RTU**, enabling seamless integration with SCADA systems, PLCs, or other industrial automation platforms for remote monitoring and control. The gauge s **wide temperature range** (typically -20 C to 85 C) ensures reliable performance in diverse climates, while its **high-impact housing** protects against physical damage during handling or installation. Whether deployed in a refrigeration plant, a laboratory vacuum system, or an HVAC setup, this digital vacuum gauge delivers unmatched precision, durability, and adaptability, making it a cornerstone of modern pressure monitoring solutions. With Ashcroft s commitment to quality and innovation, this instrument embodies the perfect blend of functionality and engineering excellence for professionals who demand nothing less than perfection in their instrumentation.
### **Pros and Cons of buying a Ashcroft 302074SD02LXBL-CYLMNB30/0IMV Digital Vacuum Gauge (1/4 NPT, 30 in/Hg)**
#### **Pros**
1. **High Accuracy and Precision** Ashcroft is a well-known manufacturer of high-quality pressure and vacuum gauges, known for reliability in industrial and laboratory settings. This digital model likely provides precise readings within its specified range (0 to 30 in/Hg).
2. **Digital Display** Unlike analog gauges, this digital model offers clear, easy-to-read numerical readings, reducing human error in interpretation. The display may also include features like backlighting or data logging capabilities, depending on the model variant.
3. **Compact and Mountable Design** The 1/4 NPT connection allows for easy integration into existing systems, and the compact size makes it suitable for applications where space is limited.
4. **Wide Range (0 30 in/Hg)** The gauge covers a broad vacuum range, making it versatile for applications such as HVAC systems, laboratory equipment, or vacuum chambers where moderate vacuum levels are required.
5. **Potential for Additional Features** Some Ashcroft digital gauges include options like:- **Alarm settings** for threshold limits.
- **Data output interfaces** (e.g., RS-232, USB, or analog signals) for integration with monitoring systems.
- **Calibration capabilities** via built-in software or external tools.
6. **Durability and Build Quality** Ashcroft products are generally robust, designed for industrial use, and may include features like stainless steel construction or protective coatings to resist corrosion and wear.
7. **Compatibility with Ashcroft Systems** If you already use Ashcroft gauges or sensors, this model may seamlessly integrate with your existing infrastructure.
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#### **Cons**
1. **Limited Range for High-Vacuum Applications** At only 30 in/Hg, this gauge is not suitable for ultra-high vacuum (UHV) or even high-vacuum applications (which typically require gauges measuring in Torr or millibar). If your application requires deeper vacuums, this may not be sufficient.
2. **Potential for Higher Cost** Ashcroft gauges are premium products, and this digital model may be more expensive than basic analog or lower-end digital alternatives. The price could be a barrier for small businesses or hobbyists.
3. **Dependence on Power Supply** Digital gauges require a power source (likely battery or external power). If the gauge is battery-operated, you may need to account for replacement costs or downtime for recharging. Some models may also require calibration power cycles.
4. **Learning Curve for Digital Features** Users unfamiliar with digital instrumentation may need time to adjust to interpreting readings, setting alarms, or troubleshooting display issues.
5. **Limited Brand-Specific Support** While Ashcroft has strong industry reputation, support may vary depending on the distributor or region. Some users report delays in obtaining parts or technical assistance for niche models.
6. **Potential for Signal Noise or Drift** Digital gauges can sometimes suffer from electronic noise or sensor drift over time, requiring periodic recalibration. The quality of this specific model s electronics is unknown without user reviews or technical datasheets.
7. **No Built-in Calibration Tools (Possibly)** Some Ashcroft gauges require external calibration equipment or software. If your application demands frequent calibration, this could add operational complexity.
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### **Conclusion**
The **Ashcroft 302074SD02LXBL-CYLMNB30/0IMV** digital vacuum gauge is a **high-quality, precise, and versatile tool** for applications requiring moderate vacuum levels (up to 30 in/Hg). Its digital display, compact design, and compatibility with Ashcroft systems make it a strong choice for industrial, laboratory, or HVAC use where accuracy and reliability are critical. However, its **limited range, potential higher cost, and dependency on power** may not make it ideal for high-vacuum applications or cost-sensitive environments.
If your primary need is **moderate vacuum measurement in a controlled setting** and you can justify the investment, this gauge is a **solid recommendation**. For **high-vacuum applications or budget constraints**, you may need to consider alternatives with broader ranges or lower costs.
### **Recommendation**
- **Buy if:**- You need a **reliable, accurate digital vacuum gauge** for moderate vacuum applications (e.g., HVAC, lab equipment, or vacuum chambers).
- You are already using Ashcroft products and value compatibility.
- You can afford the premium and are willing to invest in long-term durability.
- **Avoid if:**- You require **ultra-high or high-vacuum measurements** (consider gauges measuring in Torr or Pa).
- Your budget is tight, and you can find equally precise analog or lower-cost digital alternatives.
- You lack technical support infrastructure for calibration or troubleshooting.
For the best decision, **compare this model with alternatives** (e.g., other Ashcroft digital gauges, Omega, or Kimo models) and verify its specifications against your exact application requirements. If possible, check user reviews or consult with a technical specialist to confirm its performance in your specific use case.
Details:
Specifications: model #: 302074SD02LXBLCYLMNB30/0IMV. Displayed Units: psi,mm /Hg, in/Hg, inH20, MBA, ftH20, MPA, KP,kg/cm, BAR. Display: Backbit 5 Digit LED. Case Whetted Material: Stainless Steel.
Dial Size: 3in. This is a surplus item.
part #: 302074sd02lxblcylmnb30 prices
- $40.00-$65.00
specifications pressureswitchiz:
- brand: Ashcroft
- mpn: 302074sd02lxblcylmnb30/0imv
- part type: Digital Vacuum Gauge
shipping pressureswitchiz:
- service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, UPS Next Day Air
- type: Calculated
- class: Standard, Expedited, One-day
- carrier: USPS, UPS
- cost: $0.00
- transit: 3-5 Days
returns pressureswitchiz:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
- method: Money back
offer pressureswitchiz:
- quantity: 1
- started: June 12, 2026
- availability: In Stock
- best offers: True
- options: Ship-to-home
- sold: 0
seller pressureswitchiz:
- city: Osseo, Minnesota
- # reviews: 46578
- rating: 99.9%
general pressureswitchiz:
- Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
- condition: Used
payments pressureswitchiz:
- cash
- other
- credit card: Mastercard
- wallet: Paypal
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