Why does an adjustable compression fitting matter when choosing a flameproof RTD sensor for pipeline or vessel installation?
An adjustable-fitting flameproof RTD sensor gives field engineers the freedom to fine-tune insertion depth during installation, and this 6x300s PT100 model is available at a transparent, factory-direct fixed price with zero middleman markup and ready stock for fast nationwide dispatch — a practical advantage for commissioning teams working against tight project timelines.
Built with a simplex, 3-wire PT100 element inside an SS316 sheath, this sensor is rated for a -50°C to 400°C process range with Class A accuracy, delivering the repeatable, tight-tolerance readings required for closed-loop process control rather than simple indication. The 1/2″ BSP adjustable compression fitting lets engineers set exact probe insertion depth on-site — useful when the true process temperature zone in a pipeline or vessel isn’t precisely known until installation, avoiding the need to order a custom-length replacement. Compacted MgO insulation packed around the internal element improves thermal response speed while also protecting against vibration-induced element fatigue, which matters in rotating equipment areas and pump/compressor skids. The die-cast aluminum protection head is IP67-rated with a threaded cap and safety chain, keeping the terminal compartment sealed from dust and washdown water, and the nickel-plated ceramic terminal block resists corrosion at the wiring interface for long service life. This sensor is manufactured by Aavad Instrument Pvt. Ltd., operating under ISO 9001:2015 certified manufacturing standards, and it is CE marked, confirming conformity with EU safety, health, and environmental protection requirements — documentation that supports vendor qualification and audit requirements across regulated industries.
Key Features
• Adjustable compression fitting for flexible on-site insertion depth
• Simplex 3-wire PT100 element with Class A accuracy
• Wide -50°C to 400°C operating temperature range
• SS316 sheath with compacted MgO insulation
• IP67-rated die-cast aluminum head with threaded cap and chain
• Nickel-plated ceramic terminal block for durable termination
Applications
• Pipeline and vessel temperature monitoring with variable insertion depth
• Hazardous-area process control loops
• Skid and package unit commissioning where depth needs field adjustment
• Chemical and petrochemical process temperature sensing
• Compressor and pump station temperature monitoring
• Retrofit installations replacing legacy fixed-length sensors
FAQs
1. How does an adjustable compression fitting differ from a fixed fitting?
An adjustable compression fitting allows the probe to be positioned at the required insertion depth during installation and then securely locked in place. In contrast, a fixed fitting establishes a permanent mounting position. Adjustable compression fittings are particularly useful when the exact probe depth is not known until on-site installation or commissioning.
2. What is the difference between this product and the “Flameproof RTD PT100 Sensor 6x300S” listed separately?
This model uses a standard 1/2″ NPT cable entry, while the related Flameproof RTD PT100 Sensor 6x300S variant includes a factory-fitted SS cable gland to provide enhanced cable sealing and mechanical protection against vibration and moisture. Both models share the same PT100 element specifications, 300mm insertion length, and accuracy class.
3. Can this sensor handle temperature spikes above 400°C briefly?
The sensor is rated for continuous operation up to 400°C. Short-duration temperature excursions above the rated range may be tolerated depending on the peak temperature, exposure duration, frequency, and overall installation conditions. However, sustained operation above the specified temperature range is not recommended, as it may affect measurement accuracy, sensor stability, and service life.
4. Why should I buy from Buyinstrument.shop rather than sourcing through a local dealer?
Buyinstrument.shop provides a direct purchasing channel for industrial temperature sensors with transparent fixed pricing, ready-stock availability where applicable, and support from Aavad Instrument. Buyers also receive purchase confidence through Aavad Warranty, 100% Original Products, Secure Payments, and 100% Buyer Protection, making the sourcing process straightforward for industrial instrumentation requirements.
