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An NTC thermistor is one of the simplest ways to measure temperature electronically - its resistance changes predictably as temperature changes, and a microcontroller reads that resistance through a simple voltage divider circuit. What makes this particular probe useful beyond a bare thermistor bead is the packaging: a stainless steel sheath protects the sensing element from moisture and physical damage, and a 3-meter cable lets the actual sensing point sit well away from the electronics reading it.
The B3950 beta value is a standard rating that determines how the thermistor's resistance curve maps to temperature, and libraries and calculation formulas for B3950-rated thermistors are widely available, so calibration isn't a from-scratch effort. A -20°C to 105°C range covers most environmental and liquid-temperature monitoring needs, and the XH2.54 connector gives a proper keyed connection rather than bare wire ends that could short or corrode.
Common uses are remote temperature monitoring where the probe needs to reach into a tank, enclosure, or outdoor location away from the control electronics, 3D printer bed or hotend temperature sensing, and general industrial or DIY temperature logging needing a durable, cable-extended sensor rather than a bare PCB-mounted one.
| Brand | Generic |
|---|---|
| Selling unit | PCS |
