CARBO INSTRUMENTS L15-SSL-V00 Vacuum Gauge Dial Inhg Npt 810017352876 Mount 1.5 30 1/8 Bottom

( Brand: Carbo Instruments ), ( Part Type: Vacuum Gauge Mount ), ( Face Diameter: 1.5 In ), ( Connection Diameter: 1/8 In ), ( Mounting Position: Back Mount ), ( UPC: 810017352876 )

Review CARBO INSTRUMENTS Vacuum Gauge 1.5 Inch Dial To 30 Inhg 1/8 Npt Bottom Mount

The **L15-SSL-V00 Vacuum Gauge (Part Number: 810017352876)** is a precision-engineered, single-dial vacuum gauge designed for reliable performance in industrial, laboratory, and HVAC/R applications where accurate pressure monitoring is critical. This rugged yet compact instrument features a **1.5-inch (38mm) front-panel dial** with a bold, high-contrast scale, ensuring easy readability even in low-light conditions or from a distance. The gauge is calibrated to measure vacuum levels up to **30 inches of mercury (inHg)**, making it ideal for systems operating within the mid-range vacuum spectrum, such as refrigeration circuits, HVAC compressors, or vacuum pumps where precise pressure control is essential. Its **1/8-inch National Pipe Thread (NPT) bottom-mount connection** allows for secure and leak-tight installation directly into piping or equipment, minimizing dead space and ensuring accurate readings by positioning the sensor at the point of measurement.

Constructed from durable materials, this vacuum gauge is built to withstand the demands of harsh environments, featuring a **stainless steel or high-grade aluminum housing** that resists corrosion, temperature fluctuations, and mechanical stress. The internal mechanism incorporates a **bellows or diaphragm-based sensing element**, which translates pressure variations into precise dial movement, delivering consistent and repeatable measurements over extended periods. The gauge s **SSL (Sealed Liquid-Filled) design** further enhances reliability by damping vibrations and protecting the internal components from contamination, moisture, or temperature swings that could otherwise compromise accuracy. This sealed construction also eliminates the need for frequent recalibration, making it a low-maintenance solution for long-term use.

Ideal for applications requiring **quick and accurate vacuum monitoring**, such as refrigeration systems, air conditioning units, or vacuum-assisted processes, this gauge provides a clear, at-a-glance view of system performance. The **bottom-mount configuration** not only saves valuable panel space but also allows for flexible installation in tight or confined areas where traditional front-mount gauges might be impractical. Whether integrated into a custom control panel, mounted directly onto equipment, or used in portable setups, the L15-SSL-V00 delivers dependable performance with minimal installation complexity. Its robust construction and precise engineering make it a trusted choice for professionals who demand accuracy, durability, and ease of use in their vacuum measurement needs.

### **Analysis of the Vacuum Gauge: 810017352876 (L15-SSL-V00, 1.5" Dial, 30" Hg, 1/8" NPT Bottom Mount)**

1. **High Accuracy and Range** The 30" Hg (mercury) range is suitable for many industrial, laboratory, and HVAC applications where precise vacuum measurement is required. This exceeds the needs of basic systems (e.g., refrigeration or small-scale air conditioning) but is ideal for more demanding environments like vacuum pumps, freeze-dryers, or scientific equipment.

2. **Large, Readable Dial (1.5")** The 1.5-inch dial provides better visibility compared to smaller gauges, reducing eye strain and improving accuracy in readings. This is particularly useful in workshops or control rooms where quick, clear monitoring is necessary.

- **Space Efficiency**: Mounting from the bottom allows for easier installation in tight spaces or when the gauge needs to be flush with a panel.

- **Reduced Leak Risk**: Bottom connections can sometimes be more secure than side connections, especially in vertical setups where gravity helps seal the joint.

- **Compatibility**: Works with many standard vacuum systems, adapters, and manifolds.

4. **SSL (Sealed Lead) Construction** The "SSL" designation suggests a sealed lead-based mechanism, which is durable and resistant to corrosion. This type of gauge is often more robust than non-sealed alternatives, making it suitable for long-term use in harsh environments.

- **HVAC/R systems** (e.g., checking refrigerant levels or system integrity).

- **Industrial vacuum pumps** (e.g., manufacturing, packaging, or laboratory equipment).

- **Scientific and medical applications** (e.g., freeze-drying, vacuum chambers).

- **Automotive or aerospace testing** (e.g., brake systems, engine diagnostics).

6. **Standardized Threading (NPT)** The 1/8" NPT thread is widely available, meaning you can easily find replacement parts, adapters, or additional gauges if needed. This reduces the risk of being locked into a proprietary system.

7. **Potential for Long Lifespan** Well-maintained SSL gauges can last decades, especially in controlled environments. This makes it a cost-effective choice for permanent installations.

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1. **Overkill for Low-Demand Applications** If you only need a gauge for simple tasks like checking a small refrigeration system or a basic air conditioning unit, a 30" Hg range may be excessive. A lower-range gauge (e.g., 0-30" Hg or even 0-29.9" Hg) would suffice, saving money without sacrificing functionality. Over-specifying can lead to unnecessary cost.

2. **Potential for Higher Cost** Compared to basic gauges (e.g., 0-30" Hg dials without SSL construction), this model may be more expensive. The 1.5" dial and SSL sealing add to the price, which may not be justified for casual or low-budget use.

3. **Maintenance Requirements** SSL gauges, while durable, require periodic calibration and maintenance to ensure accuracy. If the gauge is not used frequently or is exposed to contaminants (e.g., moisture, oil, or debris), it may degrade faster. Some users may need to invest in calibration services or spare parts over time.

4. **Physical Size and Installation Constraints** The 1.5" dial and bottom-mount design may not fit in all applications, especially in space-constrained environments. If the gauge needs to be mounted in a panel with limited clearance, a smaller or side-mount gauge might be more practical.

5. **Potential for Overuse of Range** If your application rarely reaches high vacuum levels (e.g., near 30" Hg), the gauge s full range may go unused. This can make readings less precise in the lower ranges (e.g., 0-10" Hg), as the needle may not be as responsive in the smaller segments of the dial.

6. **Lead-Based Mechanism Concerns** While SSL gauges are durable, the lead-based internal components may raise environmental or disposal concerns. If you re working in an eco-conscious environment, you may need to plan for proper disposal or recycling of the gauge when it reaches the end of its life.

7. **Potential for Misinterpretation** The 30" Hg range can be confusing for users unfamiliar with vacuum measurements. Some may mistake it for pressure (e.g., thinking it measures PSI instead of inches of mercury), leading to errors. Clear labeling and training are essential.

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This vacuum gauge (810017352876) is an excellent choice for **industrial, scientific, or high-precision applications** where accuracy, durability, and a wide range are critical. Its 30" Hg range, 1.5" dial, and SSL construction make it ideal for vacuum pumps, HVAC/R systems, freeze-drying equipment, or any setting requiring reliable vacuum measurement.

However, for **basic or low-demand applications** (e.g., small refrigeration units, casual HVAC checks, or hobbyist use), the gauge may be **overkill**, leading to higher upfront costs without proportional benefits. In such cases, a simpler or lower-range gauge would be more cost-effective.

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- You need a **durable, high-accuracy vacuum gauge** for industrial, laboratory, or professional HVAC/R work.

- Your application requires **frequent or critical vacuum measurements** (e.g., near 30" Hg).

- You prefer a **large, readable dial** and **standardized NPT threading** for compatibility.

- You re willing to invest in **maintenance and calibration** to ensure long-term reliability.

- Your application only requires **basic vacuum checks** (e.g., small refrigeration systems, casual HVAC work).

- You re on a **tight budget** and can find a sufficient gauge with a lower range (e.g., 0-30" Hg) at a lower cost.

- You need a **compact or side-mount design** due to space constraints.

- You re concerned about **lead-based disposal** and cannot properly recycle the gauge.

- For **basic use**: A 0-30" Hg or 0-29.9" Hg gauge with a smaller dial (e.g., 1.25" or 1") and simpler construction.

- For **high-end precision**: A digital vacuum gauge (if electronic measurement is acceptable) or a higher-range analog gauge (e.g., 0-50" Hg).

- For **space constraints**: A side-mount or compact gauge with the same or similar range.

**Final Verdict:** This is a **premium-quality gauge** justified for professional or industrial use but may not be the best fit for casual or budget-conscious applications. Always match the gauge s specifications to your exact needs to avoid unnecessary expenditure.

Details:

Includes original box as shown. Vacuum Range: to 30 inHg. Brass Internal Components. Carbo L15-SSL-V00 Vacuum Gauge 1.5 Dial to 30 inHg 1/8 NPT Bottom Mount.

Glycerin Filled. Please review all photos for exact condition and included items. Condition: New unused gauge. Secondary Scale: to 1 bar.

Suitable for vacuum systems, pumps, HVAC, industrial equipment, laboratory and process applications.: New open-box Carbo Instruments vacuum gauge. Mount Style: Lower. Stainless Steel Case.

Specifications: model: L15-SSL-V00.

part #: 810017352876 price

• $12.85

specifications pressureswitchiz:

• brand: Carbo Instruments
• part type: Vacuum Gauge Mount
• face diameter: 1.5 In
• connection diameter: 1/8 In
• mounting position: Back Mount
• upc: 810017352876

general pressureswitchiz:

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

seller pressureswitchiz:

• city: Seattle, Washington
• # reviews: 1
• rating: 100.0%

returns pressureswitchiz:

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

payments pressureswitchiz:

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

shipping pressureswitchiz:

• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• class: Standard
• transit: 4-7 Days
• type: Calculated

offer pressureswitchiz:

• options: Ship-to-home
• availability: In Stock
• started: May 29, 2026
• quantity: 1
• sold: 0

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