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  2. sku: 18403980626804663
  3. WIKA 8845344

WIKA 8845344 Vacuum Hg Vac Conn Water Pressure Gauge 111.10 1.5 0-30 1/8

8845344 Wika 111.10 1.5 Inch Vacuum Pressure Gauge 0-30 Hg Vac 1/8 Back Conn - New

( Brand: Wika ), ( Manufacturer Part Number: 8845344 ), ( Part Type: Vacuum Pressure Gauge ), ( Connection Diameter: 1/8 In ), ( Mounting Position: Back Mount ), ( Unit Type: Unit ), ( Maximum Pressure: 30 In.hg )

Review WIKA 111.10 1.5 Inch Vacuum Pressure Gauge 0-30 Hg Vac 1/8 Conn New

The **WIKA 8845.34.411.10 1.5" Vacuum Pressure Gauge (0-30 hg vac, 1/8" connection)** is a precision-engineered instrument designed for reliable and accurate measurement of vacuum levels in industrial, laboratory, and HVAC applications. Part of WIKA s renowned 8845 series, this gauge combines robust construction with high-performance sensing technology to deliver consistent readings across a wide range of environments. With a **1.5-inch (38 mm) front dial**, it provides an unobstructed, easy-to-read display, ensuring operators can quickly assess system performance without ambiguity. The gauge is calibrated to measure vacuum pressures from **full vacuum (0 hg) up to 30 hg**, making it ideal for applications such as refrigeration systems, vacuum pumps, air conditioning units, and laboratory equipment where precise control of negative pressure is critical.

Constructed from high-quality materials, the gauge features a **durable aluminum housing** that resists corrosion and mechanical stress, while its **anodized finish** enhances durability in harsh conditions. The **1/8-inch NPT connection** ensures compatibility with standard piping systems, allowing for seamless integration into existing setups. The gauge s **bourdon tube sensing element** provides exceptional accuracy and stability, minimizing drift over time and ensuring long-term reliability. Additionally, the **1.5-inch dial** is clearly marked with **bold, high-contrast graduations**, making it easy to interpret readings even in low-light conditions. The gauge is also equipped with a **backlit or illuminated dial option** (available as an accessory), further improving visibility in dim environments.

WIKA s reputation for precision engineering is evident in the **tight tolerances and rigorous calibration** of this vacuum gauge. Each unit undergoes **factory calibration and testing** to meet or exceed industry standards, ensuring that users receive a device that delivers consistent, repeatable results. The gauge s **sealed, dust-proof design** protects internal components from contamination, while its **vibration-resistant construction** maintains accuracy even in dynamic or high-vibration environments. Whether used in a controlled laboratory setting or a demanding industrial facility, this vacuum pressure gauge offers a balance of **performance, durability, and ease of use**, making it a trusted choice for professionals who demand reliability in their instrumentation.

For applications requiring **high precision and long-term dependability**, the WIKA 8845.34.411.10 stands out as a superior alternative to basic, lower-quality gauges. Its **compact yet sturdy design**, combined with WIKA s commitment to quality assurance, ensures that it remains a dependable asset for monitoring and controlling vacuum systems with confidence. Whether integrated into a refrigeration cycle, a vacuum drying process, or an HVAC system, this gauge delivers the accuracy and resilience needed to maintain optimal operational efficiency.

### **Pros and Cons of buying a WIKA 8845-344 1/8" Vacuum Pressure Gauge (0-30 hg VAC)**

#### **Pros:**

1. **High Quality and Reliability** WIKA is a well-known manufacturer of precision instruments, particularly in industrial pressure and vacuum measurement. This gauge is designed for durability and long-term accuracy, making it suitable for critical applications.

2. **Accurate and Precise Measurement** The gauge is calibrated to provide reliable readings within its specified range (0-30 hg vacuum). This is essential for processes where precise vacuum control is necessary, such as in laboratories, HVAC systems, or industrial vacuum applications.

3. **Compact and Easy to Install** The 1/8" NPT connection makes it easy to integrate into existing systems without requiring major modifications. Its compact size also allows for installation in space-constrained environments.

4. **Wide Range of Applications** The 0-30 hg vacuum range is suitable for moderate vacuum applications, such as:

- HVAC and refrigeration systems

- Laboratory equipment (e.g., vacuum chambers, desiccators)

- Industrial processes requiring controlled vacuum conditions

- Automotive and aerospace testing (where applicable)

5. **Durable Construction** WIKA gauges are typically built to withstand harsh conditions, including temperature fluctuations and minor pressure spikes, which enhances their lifespan.

6. **Easy to Read** The analog dial design provides a clear, direct visual indication of vacuum levels, making it user-friendly for operators who need quick reference.

7. **Compatibility with WIKA Systems** If you already use other WIKA instruments, this gauge can integrate seamlessly with their ecosystem, ensuring consistent performance and calibration standards.

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#### **Cons:**

1. **Limited Range** The gauge only measures up to 30 hg (hectopascals) of vacuum, which may be insufficient for applications requiring deeper vacuums (e.g., high-vacuum systems in semiconductor manufacturing or certain scientific experiments). If your application demands lower pressures (e.g., below 1 hg), this gauge will not be suitable.

2. **Analog Design Limitations** While analog gauges are reliable, they lack digital features such as data logging, remote monitoring, or integration with smart systems. If you need digital outputs or connectivity (e.g., for IoT or automation), this gauge will not meet those requirements.

3. **Potential for Dial Wear** Over time, the moving parts of an analog gauge can experience slight wear, leading to minor inaccuracies. While WIKA gauges are robust, they are not immune to this issue, and periodic recalibration may be necessary.

4. **No Built-in Protection Against Overpressure** If the system experiences a sudden pressure spike (e.g., due to a failed valve or pump), the gauge could be damaged. While the gauge itself may not burst at 30 hg, it is not designed to handle positive pressure beyond its range, so external protection (e.g., a pressure relief valve) may be required.

5. **Replacement Parts Dependency** WIKA is a premium brand, and replacement parts (e.g., seals, dials) may be more expensive than generic alternatives. If the gauge fails, sourcing parts could be costlier than with a budget-friendly brand.

6. **No Built-in Calibration Features** Unlike some digital gauges, this analog model does not include self-diagnostic or calibration tools. Users must rely on external calibration services to maintain accuracy, adding maintenance overhead.

7. **Potential for Misinterpretation** The vacuum scale (hg) may not be intuitive for users unfamiliar with mercury-based measurements. While 30 hg is roughly equivalent to 22.5 mmHg or 3000 Pa, operators unfamiliar with these units might need additional training or reference materials.

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### **Ending Conclusion:**

The **WIKA 8845-344 1/8" vacuum pressure gauge** is a high-quality, reliable choice for applications requiring moderate vacuum measurement (0-30 hg). It excels in durability, precision, and ease of installation, making it ideal for industrial, HVAC, or laboratory use where analog readings are sufficient. However, its limitations such as the narrow measurement range, lack of digital features, and potential maintenance needs may make it unsuitable for advanced or high-vacuum applications.

If your primary needs align with its specifications (moderate vacuum, analog display, compact size), this gauge is a strong recommendation due to WIKA s reputation for quality. For applications requiring deeper vacuums, digital outputs, or automation integration, consider complementary or alternative models (e.g., digital vacuum gauges or those with wider ranges).

### **Recommendation:** **Buy this gauge if:**

- You need a reliable, analog vacuum gauge for moderate applications (e.g., HVAC, lab equipment, industrial processes).

- You prioritize brand reputation and long-term durability over digital features.

- Your system s vacuum requirements stay within 0-30 hg.

**Avoid this gauge if:**

- You require measurements beyond 30 hg (e.g., high-vacuum systems).

- You need digital outputs, data logging, or smart connectivity.

- Your budget allows for more advanced (but potentially overkill) gauges with additional features.

For most users seeking a **cost-effective, accurate, and durable analog vacuum gauge**, the WIKA 8845-344 is a solid choice. However, always verify compatibility with your specific system and operating conditions before purchasing.

Details:

Pressure Range: to 30 in.Hg Vacuum. Dial Diameter: 1.5 in. Mounting: U-Clamp Included. Defective items may only be exchanged for the same title.

Model: 111.10. Products Most of our photos are the actual item you purchasing. Unless stated otherwise in the listing. Connection Location: Back.

Wika 111.10 1.5 Vacuum Pressure Gauge 0-30 Hg VAC 1/8 Back Conn 8845344 - New.

part #: 8845344 price

  • $29.96

specifications pressureswitchiz:

  • brand: Wika
  • mpn: 8845344
  • part type: Vacuum Pressure Gauge
  • connection diameter: 1/8 In
  • mounting position: Back Mount
  • unit type: Unit
  • maximum pressure: 30 In.hg

general pressureswitchiz:

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

offer pressureswitchiz:

  • started: May 14, 2026
  • best offers: True
  • quantity: 5
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

seller pressureswitchiz:

  • rating: 99.7%
  • # reviews: 13951
  • city: Sacramento, California

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  • class: Standard, Expedited, One-day
  • cost: $0.00
  • carrier: USPS, FedEx
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  • type: Calculated
  • transit: 4-8 Days

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part type: vacuum pressure gauge, connection diameter: 1/8 in, mounting position: back mount, unit type: unit, maximum pressure: 30 in.hg,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 18403980626804663,
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  • New. Offer #1 priced at $29.96 + $0.00 shipping estimate = $29.96* total. Connection Location: Center Back Pressure Range: 0 to 30 in.Hg (Vacuum).FREE SHIPPING

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