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About Selecting Temperature Sensors
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Threaded RTD Probe Transmitters for Liquids and Gases
Send temperature readings directly to programmable logic controllers (PLCs)—with a built-in 4-20mA transmitter, these RTDs don’t require a separate signal converter. They have an NPT male probe connection, so they’re ready to screw into thermowells and other fittings on pipe and tanks. Made of 316 or 316L stainless steel, they resist corroding from harsh cleaning chemicals. This stainless steel also protects the RTD sensor inside from impact. They are also often installed in bores to measure the temperature of molds and dies. CE marked, they meet European safety standards.
Fixed RTDs can be used directly in liquid or steam because they’re welded to their fitting for a liquid-tight seal.
DIN Connection
Probe | Probe Connection | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RTD Type | Lg. | Dia. | Accuracy | Pipe Size  | Thread Type | Gender | DC Voltage | Max. Pressure, psi | Output Current | Overall Lg. | Fitting Material | Choose a Temperature Range | Each | |
Fixed 316 Stainless Steel Probe with Plastic Head (IP65) | ||||||||||||||
| 100 ohms | 1 3/4" | 1/4" | ±0.5% | 1/2 | NPT | Male | 10-30 | 725 | 4-20mA | 5 3/4" | 316 Stainless Steel | 000000 | 0000000 | |
| 100 ohms | 3 1/4" | 1/4" | ±0.5% | 1/2 | NPT | Male | 10-30 | 725 | 4-20mA | 7 1/4" | 316 Stainless Steel | 000000 | 000000 | |
| 100 ohms | 5 1/4" | 1/4" | ±0.5% | 1/2 | NPT | Male | 10-30 | 725 | 4-20mA | 9 1/4" | 316 Stainless Steel | 000000 | 000000 | |
| 100 ohms | 8 1/4" | 1/4" | ±0.5% | 1/2 | NPT | Male | 10-30 | 725 | 4-20mA | 12 1/4" | 316 Stainless Steel | 000000 | 000000 | |
| 100 ohms | 11 1/4" | 1/4" | ±0.5% | 1/2 | NPT | Male | 10-30 | 725 | 4-20mA | 15 1/4" | 316 Stainless Steel | 0000000 | 000000 | |