
3T317 Comparison
| photo | price | summary | rating |
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![]() | $90.45 | Condition is Brand New, Dwyer Instruments, Inc. 3T317 Magnehelic Gauge, shipping cost = $9.42 | 100.0% |
| photo | price | summary | rating |
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![]() | $99.95 | Top Pick! Condition is New – Open box, Dwyer 3T317 2002 0-2 Inches Of Water Meter, shipping cost = $34.75 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $93.50 | Condition is New, Dwyer 3T317 2002 0-2 Inches Of Water Meter New, FREE SHIPPING | 99.5% |
![]() | $108.18 | Top Pick! Condition is New, DWYER 2002 Pressure Gauge,0 to 2 In H2O 3T317, FREE SHIPPING | ![]() |

The Dwyer Instruments Model 3T317 Magnehelic Gauge is a versatile and accurate pressure measurement tool designed for various industrial applications. This gauge is part of Dwyer's Magnehelic Series, which utilizes a unique magnetic drive system that allows for the measurement of differential pressure without the need for direct fluid contact with the gauge's internal mechanisms.
The 3T317 Magnehelic Gauge features a large, easy-to-read dial with a scale ranging from 0 to 30 inches of water column (iwc) and a maximum operating pressure of 150 psi (10 bar). The dial is graduated in both inches of water column and psi, making it suitable for use in a wide range of pressure measurement applications. The gauge's accuracy is assured with an accuracy of 1% of FS (Full Scale) and a repeatability of 0.5% of FS.
The Magnehelic design allows for the measurement of differential pressure across a wide range of media, including liquids, gases, and vapors. The gauge's magnetic drive system ensures long-lasting performance and reliability, even in harsh environments where other pressure measurement tools may fail. The gauge's stainless steel housing is resistant to corrosion and chemical exposure, making it suitable for use in industrial settings where exposure to harsh chemicals is common.
The 3T317 Magnehelic Gauge comes with a 1/8 NPT threaded inlet and outlet connection, making it easy to install and integrate into various industrial systems. The gauge's compact size and lightweight design make it a portable and convenient option for on-site pressure measurement applications. The gauge also comes with a calibration certificate, ensuring that it meets the highest standards of accuracy and precision.
In summary, the Dwyer Instruments Model 3T317 Magnehelic Gauge is a versatile and accurate pressure measurement tool that utilizes a unique magnetic drive system to measure differential pressure in a wide range of industrial applications. Its large, easy-to-read dial, accurate and repeatable measurements, and rugged stainless steel housing make it a reliable and durable option for industrial pressure measurement applications.
The Dwyer Model 3T317 Magnehelic Gauge is a popular choice for measuring differential pressure in various industrial applications. Here are some pros and cons that might help you decide if this gauge is the right one for your needs.
Pros:1. High Accuracy: The Magnehelic technology used in this gauge provides high accuracy and repeatability, making it ideal for critical applications.
2. Wide Differential Pressure Range: The gauge can measure differential pressures ranging from 0 to 30 psi (0 to 2.07 bar), making it versatile for use in various industries and applications.
3. Rugged Design: The Dwyer 3T317 is built to withstand harsh environments, making it suitable for use in industrial settings. It is also shock and vibration resistant, ensuring reliable operation even in challenging conditions.
4. Easy to Read: The gauge features a clear and easy-to-read scale, making it simple to obtain accurate pressure readings.
5. Affordable: Compared to other differential pressure gauges, the Dwyer 3T317 is relatively affordable, making it an excellent option for budget-conscious customers.
Cons:1. Manual Reading: The gauge does not have a built-in display, meaning you need to read the pressure directly from the gauge. This can be time-consuming and less convenient than digital displays.
2. Requires Calibration: Like all pressure gauges, the Dwyer 3T317 requires occasional calibration to ensure accurate readings. This can add to the cost and time required to maintain the gauge.
3. Limited Connectivity: The gauge does not offer any connectivity options, meaning you cannot easily integrate it with other systems or automate readings.
Conclusion:The Dwyer Model 3T317 Magnehelic Gauge is an excellent choice for customers who require a high-accuracy, rugged, and affordable differential pressure gauge. Its wide pressure range and easy-to-read scale make it suitable for various applications, while its manual reading design and lack of connectivity options may be limitations for some users. Ultimately, the decision to purchase the Dwyer 3T317 depends on your specific requirements and preferences.
Recommendation:If you need a reliable and accurate differential pressure gauge for use in industrial settings, the Dwyer Model 3T317 Magnehelic Gauge is an excellent option to consider. Its rugged design, wide pressure range, and easy-to-read scale make it a versatile and cost-effective solution for measuring differential pressure. However, if you require a digital display, connectivity options, or prefer an automated solution, you may want to explore other options in the market.
Details:
Sensor material: silicone rubber. Mounting type: flush mount. Accuracy: 2% of full scale. Dial size: 4 in.
Specifications: pressure range: to 2 in. With a rugged die-cast aluminum housing and friction less magnetic movement, this gauge is ideal for hvac, clean rooms, filter monitoring, other industrial applications. Sensor type: diaphragm. Not female back/side.
Case material: die-cast aluminum. The Dwyer 3T317 magnehelic differential pressure gauge offers precise and reliable measurement of low differential pressures in air non-corrosive gas systems.
specifications heavymanualbooks:
- brand: Dwyer Instruments
- mpn: 3t317
- part type: Gauge
- model year: 2002
- country/region of manufacture: United States
payments heavymanualbooks:
- other
- credit card: mastercard
- wallet: paypal
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
seller heavymanualbooks:
- city: fenton, missouri
- rating: 100.0%
- # reviews: 47
offer heavymanualbooks:
- started: october 2, 2025
- prices: $90.45–$108.18
- item condition:
- Brand New
- New – Open box
- New
- in stock #: 4
- sold #: 12
- availability: in stock
- options: ship-to-home
returns heavymanualbooks:
- time: 14 days
- policy: returns accepted
- paid by: buyer
- method: money back
shipping heavymanualbooks:
- type: calculated
- carrier: ups
- service: ups ground
- class: standard
- transit: 4-8 days




