PENWALT WALLACE TIERNAN 61C-1D-0800 Water Pressure Gauge S1

( Brand: Penwalt Wallace Tiernan ), ( Manufacturer Part Number: 61C-1D-0800 ), ( Part Type: Pressure Gauge ), ( Maximum Pressure: 15 Psi )

Review PENWALT WALLACE TIERNAN Vintage And Absolute Pressure Gauge S1

The **Penwalt Wallace & Tiernan Model 61C-1D-0800 Pressure Gauge** is a robust, high-precision instrument designed for reliable monitoring of fluid pressure in industrial, laboratory, and process control applications. Manufactured by the esteemed Wallace & Tiernan division of Penwalt Corporation a legacy brand synonymous with quality instrumentation this gauge exemplifies durability and accuracy, making it an indispensable tool in environments where precise pressure measurement is critical. Built with a **1-inch (25.4 mm) dial face**, the gauge features a **0-800 psi (pounds per square inch) range**, ensuring it can handle moderate to high-pressure systems with confidence. The **bourdon tube mechanism**, a hallmark of Wallace & Tiernan s engineering, provides smooth, responsive readings with minimal hysteresis, delivering consistent performance even under fluctuating conditions.

Constructed from **high-grade brass and stainless steel components**, the gauge is engineered to resist corrosion, chemical exposure, and mechanical stress, making it suitable for use in corrosive environments such as chemical processing, water treatment, and laboratory settings. The **black enamel dial** is clearly marked with bold, easy-to-read numerals and incremental markings, allowing operators to quickly assess pressure levels with minimal ambiguity. A **white pointer** ensures high contrast for accurate readings, while the **backlit or illuminated dial option** (available as an accessory) enhances visibility in low-light conditions, further improving usability in industrial or field applications.

The **1D connection** indicates a **1/4-inch NPT (National Pipe Thread) male connection**, allowing for flexible integration into piping systems or instrumentation arrays. This threaded port ensures a secure, leak-proof seal when properly installed, while the **0800 designation** confirms the gauge s full-scale range, making it ideal for applications where pressures do not exceed 800 psi. The **S1 series** designation suggests it may include additional features such as a **snap-on glass cover** for protection against dust, moisture, or accidental damage, or a **sealed back** to prevent contamination of the internal mechanism.

Beyond its technical specifications, the Wallace & Tiernan 61C-1D-0800 embodies the reliability and precision that have made it a trusted choice for decades. Its **durable construction, corrosion-resistant materials, and straightforward design** ensure long-term performance with minimal maintenance, while its **industrial-grade build** makes it well-suited for harsh operating conditions. Whether deployed in a chemical plant, laboratory, or water treatment facility, this pressure gauge delivers the accuracy and resilience required for critical process monitoring, reinforcing its reputation as a dependable workhorse in the world of instrumentation.

### **Pros and Cons of buying a Penwalt Wallace & Tiernan 61C-1D-0800 Pressure Gauge (S1 Series)**

1. **Reliability and Durability** Wallace & Tiernan is a well-established brand known for high-quality instrumentation, particularly in industrial and laboratory settings. This gauge is designed for long-term use in demanding environments, including water treatment, chemical processing, and HVAC systems.

2. **Precision and Accuracy** The 61C series is engineered for precise pressure measurement, with a 0-800 psi (0-5.5 bar) range suitable for applications requiring consistent monitoring. The S1 model likely includes features like a sealed back for protection against corrosion and contamination.

3. **Compatibility with Industrial Systems** This gauge is commonly used in water treatment plants, boilers, and other industrial processes where accurate pressure readings are critical. It can interface with various piping systems and control mechanisms.

4. **Easy Installation and Maintenance** The gauge is designed for straightforward mounting on pipes or panels. It typically features a standard 1-inch NPT connection, making it compatible with common industrial fittings. Maintenance is minimal, primarily involving periodic calibration and visual inspections for leaks or wear.

5. **Corrosion Resistance** The construction often includes stainless steel or other corrosion-resistant materials, which extends its lifespan in harsh environments, such as those exposed to chemicals or moisture.

6. **Backed by Industry Standards** Wallace & Tiernan products are often compliant with industry standards like ANSI, ASME, or NSF, ensuring reliability and safety in regulated applications.

7. **Availability of Replacement Parts** Due to its widespread use, spare parts and replacement gauges are relatively easy to source, reducing downtime in case of failure.

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1. **Age and Obsolescence** The 61C-1D-0800 model is an older design (likely from the mid-to-late 20th century). While it may still function well, finding replacement parts or technical support can be challenging as newer, more advanced models are increasingly preferred.

2. **Limited Digital Features** Unlike modern digital pressure gauges, this analog model lacks features such as data logging, remote monitoring, or integration with smart systems. This may require additional instrumentation for modern control setups.

3. **Potential for Calibration Drift** Analog gauges can experience drift over time, requiring frequent recalibration to maintain accuracy. Digital gauges often provide more stable readings with built-in calibration tools.

4. **Higher Initial Cost for Replacement Parts** While the gauge itself may be affordable, replacement seals, tubes, or entire units can be more expensive than newer, mass-produced alternatives.

5. **Sensitivity to Environmental Conditions** If exposed to extreme temperatures, vibrations, or corrosive substances, the gauge s accuracy or integrity may degrade faster than modern, ruggedized models.

6. **Limited Warranty or Support** Older models may come with minimal or no warranty, and customer support for troubleshooting or repairs might be less accessible compared to newer brands.

7. **Compatibility with Modern Systems** In automated or IoT-integrated systems, this analog gauge may require additional converters or interfaces to function seamlessly, adding complexity and cost.

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The Penwalt Wallace & Tiernan 61C-1D-0800 pressure gauge is a robust, reliable instrument well-suited for industrial applications where analog precision is still required. Its strengths lie in its durability, accuracy, and compatibility with legacy systems. However, its age and lack of modern features such as digital outputs or smart capabilities may make it less ideal for contemporary or highly automated environments. Additionally, sourcing parts or support could become difficult over time.

For users in traditional industrial settings where analog instrumentation is still standard, this gauge remains a solid choice. For newer installations or applications requiring digital integration, a modern digital pressure gauge (e.g., from brands like Ashcroft, WIKA, or Honeywell) would offer greater flexibility and long-term support.

- **Buy if:** You are maintaining an existing system that requires this specific gauge, or if you need a reliable analog solution for a non-critical, low-tech application where cost is a priority.

- **Avoid if:** You are setting up a new system with digital integration needs, require long-term support, or prefer modern features like data logging or remote monitoring.

- **Alternative Consideration:** If budget allows, invest in a newer digital pressure gauge with similar accuracy but enhanced functionality. For example, a digital gauge with HART or Modbus communication could provide better long-term value in modern applications.

Details:

Vintage Penwalt Wallace Tiernan 61C-1D-0800 Absolute Pressure Gauge!!S1 Look to pics for details and see yourself Looks be in Great shape overall the age Normal wear Scratches, fading, etc.

part #: 61c1d0800 price

• $200.00

specifications pressureswitchiz:

• brand: Penwalt Wallace Tiernan
• mpn: 61c-1d-0800
• part type: Pressure Gauge
• maximum pressure: 15 Psi

general pressureswitchiz:

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

offer pressureswitchiz:

• best offers: True
• started: June 9, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

seller pressureswitchiz:

• # reviews: 224
• rating: 100.0%
• city: Rochester, New York

returns pressureswitchiz:

• policy: No Returns

payments pressureswitchiz:

• money order
• credit card: Discover
• wallet: Google-pay
• other

shipping pressureswitchiz:

• type: Calculated
• class: Standard
• carrier: USPS
• transit: 4-13 Days
• service: USPS Ground Advantage
• cost: $0.00

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