2M Waterproof NTC Thermistor Temperature Sensor Probe (10K 1% 3950)
High-Precision Waterproof Temperature Probe for Arduino and Embedded Projects
The W1401 NTC thermistor temperature sensor is a highaccuracy probe designed for temperature measurement in challenging environments. With its long 2meter cable and waterproof construction, it is ideal for incubators, aquariums, smart home automation, and HVAC systems.
High Accuracy & Precision 10K resistance with ±1% tolerance and a 3950 Bvalue for reliable measurements.
Waterproof & Durable Stainless steel 5x25mm probe with IPrated waterproofing for use in liquids and humid conditions.
Temperature Range: -20°C to +105°C, with some models supporting up to 125°C or 300°C [citation:1][citation:4][citation:11].
Cable Length: 2 meters for flexible installation and remote temperature sensing [citation:1][citation:4].
This sensor is commonly paired with W1401 thermostat modules or Arduino via voltage divider circuits [citation:6][citation:10].
Technical Specifications
| Parameter | Value |
|---|
| :- | :- |
| Sensor Type | NTC Thermistor |
| Resistance at 25°C | 10K Ω (±1% tolerance) |
| B-Value (Material Constant) | 3950 (±1%) |
| Probe Dimensions | 5 x 25mm (stainless steel) |
| Cable Length | 2 meters |
| Insulation Resistance | > 100 MOhm |
| Rated Voltage | AC 1800V 1mA |
## Key Features
+Excellent Temperature Stability - Accurate readings across a wide temperature range.
+Corrosion Resistant - Stainless steel probe for long service life.
+Easy Integration Simple twowire interface compatible with Arduino, ESP32, and other microcontrollers.
= Applications =
- Aquarium and hydroponic water temperature monitoring.
- HVAC systems and air conditioning temperature sensing.
- 3D printer and enclosure temperature control.
- Industrial automation and process monitoring.
- Smart home and IoT environmental sensing.
Reliable & Versatile - A trusted solution for both hobbyist and professional projects.
Long Cable & Robust Probe Allows flexible sensor placement in hardto-reach areas [citation:4].
√ Compatible with Arduino, Raspberry Pi, and ESP32 via analog or NTC libraries.
√ Simple installation with waterproof stainless steel housing.