
RTD-831-SE Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $107.24 | Condition is New, Omega RTD-831-SE - Bolt-On RTD Sensor with Aluminum Flag Housing, 1 m PFA leads,, FREE SHIPPING | 99.8% |
![]() | $146.53 | Condition is New, OMEGA ENGINEERING RTD-831-SE / RTD831SE (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $153.88 | Top Pick! Condition is New, OMEGA ENGINEERING RTD-831-SE / RTD831SE (BRAND NEW), shipping cost = $36.29 | 99.3% |

The Omega RTD-831-SE Engineering Bolt-On RTD Sensor Flag Housing is a precision instrument designed for use in industrial temperature measurement applications. This housing is suitable for RTD sensors with a 2-wire or 3-wire connection and a temperature range of -200 C to 650 C (-328 F to 1202 F).
The RTD-831-SE is constructed from high-quality Type 316L stainless steel, ensuring durability and resistance to corrosion in harsh environments. The housing is designed with a bolt-on flange connection, allowing for easy installation and removal of the RTD sensor. The flange has a raised face with a sealant groove, ensuring a tight seal and preventing leaks.
The RTD-831-SE housing features a flag mounting point, allowing for the attachment of temperature indication instruments such as thermometers or recorders. The flag mounting point is designed to accommodate standard 1/8 NPT threaded temperature indicators. The housing also includes a gasket and mounting bolts for secure installation.
The housing is designed with a generous bore size to accommodate various RTD sensor sizes, providing flexibility for different application requirements. The RTD-831-SE also includes a built-in junction box to protect the wiring connections from the environment. The junction box is sealed and waterproof, ensuring the reliability of the temperature measurement system.
Overall, the Omega RTD-831-SE Engineering Bolt-On RTD Sensor Flag Housing is a versatile and robust solution for industrial temperature measurement applications. Its high-quality construction, easy installation, and built-in protections make it an ideal choice for a wide range of industrial processes and environments.
The Omega RTD-831-SE Engineering Bolt-On RTD sensor flag housing is a device used for mounting and protecting Resistance Temperature Detector (RTD) sensors in various industrial applications. Here are some potential pros and cons of purchasing this product:
Pros:1. Rugged Design: The Omega RTD-831-SE is made of Type 316L Stainless Steel, making it suitable for harsh environments.
2. Versatile: It can accommodate RTD sensors with various element lengths and sizes.
3. Easy Installation: The bolt-on design allows for easy installation and removal of the RTD sensor.
4. Accurate Temperature Measurement: The flag housing ensures proper positioning and insulation of the RTD sensor, resulting in accurate temperature measurement.
5. Wide Temperature Range: The housing can be used for temperature measurements from -200 C to 850 C, making it suitable for a wide range of industrial applications.
Cons:1. Cost: The Omega RTD-831-SE is a premium product and may be more expensive than other RTD sensor flag housings on the market.
2. Limited Compatibility: The housing may not be compatible with all types of RTD sensors, so it's essential to check the specifications before making a purchase.
3. Requires Calibration: Like all temperature measurement devices, the RTD sensor and the flag housing will require periodic calibration to ensure accurate readings.
In conclusion, the Omega RTD-831-SE Engineering Bolt-On RTD sensor flag housing is a high-quality, rugged, and versatile product suitable for various industrial temperature measurement applications. However, it comes with a higher price tag and may not be compatible with all RTD sensors. If you require accurate temperature measurements in a harsh environment and are willing to invest in a premium product, then the Omega RTD-831-SE is an excellent choice. On the other hand, if you're on a tight budget or have compatibility concerns, then you may want to consider other options in the market.
Details:
Connection options available are miniature 3-pin connector -MP, standard -opt, stripped ends -se, and spade lugs -lug. Photos are greatly appreciated. The flag is machined to accept a #3, #4, #5, #6, #8 screw for easy installation on flat surfaces by either being bolted or cemented onto the surface. Please consider troubleshooting prior to making a return request.
Omega engineering RTD-831-SE - bolt-on rtd sensor with aluminum flag housing, 1 m pf leads, stripped ends, #3, #4 hole rtd-831 series 3-wire sensor features an improved barrel and flag design on the aluminum housing which gives durability. Platinum rtd element and is available in a high temperature -ht version. This is available in 100.
specifications testmultimeters:
- brand: Omega
- mpn: Rtd-831-se
- part type: Sensor Housing
- country/region of manufacture: United States
payments testmultimeters:
- credit card: mastercard
- other
- wallet: apple-pay
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- in stock #: 3
- availability: in stock
- sold #: 17
- started: september 24, 2025
- options: ship-to-home
- prices: $107.24–$153.88
- item condition: New
returns testmultimeters:
- policy: returns accepted
- method: money back
- paid by: seller
- time: 30 days
seller testmultimeters:
- rating: 99.2%
- city: worcester, pennsylvania
- # reviews: 11674
shipping testmultimeters:
- type: fixed
- service: economy
- transit: 2-6 days
- class: economy


