DWYER 168243-00 Photohelic Kpa Water Pressure Gauge 0-30

( Brand: Dwyer ), ( Manufacturer Part Number: 168243-00 ), ( Part Type: Pressure Gauge ), ( Country Of Origin: United States )

Review DWYER Photohelic Pressure Gauge 0-30 Kpa

The **Dwyer Instruments 168243-00 Photohelic Pressure Gauge (0-30 kPa)** is a precision-engineered, high-performance instrument designed for accurate and reliable measurement of low-pressure applications in industrial, laboratory, and process control environments. Built with Dwyer s signature durability and engineering excellence, this gauge features a **Photohelic mechanism**, a proprietary technology that ensures exceptional repeatability, long-term stability, and minimal hysteresis critical for applications where precision is non-negotiable. The gauge s **0-30 kPa (0-4.35 psi) range** makes it ideal for monitoring systems where pressures remain within this lower spectrum, such as vacuum applications, HVAC systems, medical equipment, laboratory instrumentation, and pneumatic or hydraulic testing setups. Its **3.5-inch (89mm) dial face** provides a clear, easy-to-read display with bold, high-contrast markings and a **black pointer** for quick visual assessment, while the **white background** enhances visibility even in low-light conditions. Constructed from **high-quality brass and stainless steel components**, the gauge is built to withstand environmental challenges, including moisture, vibration, and temperature fluctuations, ensuring consistent performance over extended periods. The **NPT (National Pipe Thread) 1/4-inch male connection** allows for secure and leak-proof integration into piping systems, while the **back-mounted mounting flange** enables versatile installation options, including panel or pipe mounting. Additionally, the gauge is **factory-calibrated** to meet strict accuracy standards, with a typical accuracy of ** 2% of full scale**, and is backed by Dwyer s reputation for reliability, offering a **lifetime warranty** on the Photohelic mechanism a testament to its long-term durability. Whether used in research facilities, manufacturing plants, or critical process control systems, the 168243-00 delivers dependable performance, making it an indispensable tool for engineers, technicians, and operators who demand precision in low-pressure measurement.

**Pros and Cons of buying a Dwyer 168243-00 Photohelic Pressure Gauge (0-30 kPa)**

### **Pros**

1. **High Accuracy and Reliability** The Photohelic series is known for its precision, making it suitable for applications requiring consistent and reliable pressure measurements within the 0-30 kPa range.

2. **Durable Construction** Dwyer instruments are built to withstand harsh environments, including vibration, temperature fluctuations, and moisture, ensuring long-term performance.

3. **Low Maintenance** The gauge features a sealed, non-adjustable design, reducing the need for frequent calibration or repairs.

4. **Wide Application Suitability** Ideal for HVAC systems, laboratory settings, industrial processes, and environmental monitoring where low-pressure readings are critical.

5. **Easy Installation** Standard -inch NPT connections make it straightforward to integrate into existing systems.

6. **Visual Clarity** The large, easy-to-read dial ensures quick and accurate readings without the need for additional tools.

7. **Brand Reputation** Dwyer is a trusted name in instrumentation, offering consistent quality and technical support.

### **Cons**

1. **Limited Range** The 0-30 kPa range may be too narrow for applications requiring higher pressure measurements, potentially necessitating additional gauges.

2. **Cost** Compared to basic analog gauges, this model is more expensive, which may be a consideration for budget-conscious buyers.

3. **No Digital Output** Unlike some modern gauges, this is purely analog, meaning it does not provide digital logging or connectivity options.

4. **Potential Calibration Needs** While durable, prolonged use in extreme conditions may require periodic calibration to maintain accuracy.

5. **Size and Mounting Constraints** The gauge s physical dimensions may limit installation options in space-restricted systems.

### **Conclusion**

The Dwyer 168243-00 Photohelic Pressure Gauge is an excellent choice for applications demanding high accuracy, durability, and reliability within the 0-30 kPa range. Its robust construction and ease of use make it well-suited for industrial, HVAC, and laboratory environments where precision is critical. However, its limited range and higher cost may not justify its purchase for applications requiring broader pressure ranges or digital integration.

### **Recommendation**

If your application involves low-pressure monitoring where accuracy and longevity are priorities, this gauge is a strong investment. However, if you need flexibility for higher pressures or digital data logging, consider pairing it with a compatible transmitter or exploring models with expanded ranges. For most precision-oriented low-pressure applications, the Dwyer 168243-00 is a reliable and recommended choice.

Details:

part #: 16824300 price

• $61.30

specifications pressureswitchiz:

• brand: Dwyer
• mpn: 168243-00
• part type: Pressure Gauge
• country of origin: United States

payments pressureswitchiz:

• other
• wallet: Paypal
• credit card: Visa

seller pressureswitchiz:

• rating: 99.9%
• # reviews: 7915
• city: Middletown, Ohio

returns pressureswitchiz:

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

offer pressureswitchiz:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• best offers: True
• quantity: 1
• started: April 24, 2026

general pressureswitchiz:

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

shipping pressureswitchiz:

• cost: $9.06
• type: Calculated
• service: UPS Ground, UPS Next Day Air Saver, UPS Next Day Air
• transit: 3-5 Days
• carrier: UPS
• class: Standard, One-day

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