Stainless Steel Encapsulated Waterproof NTC Temperature Sensor

Main Features:

This series comprises stainless-steel‑encased, waterproof NTC temperature sensors, manufactured with a highly stable NTC thermistor chip, a SUS304/316 stainless steel housing, and a fully sealed potting process. They offer IP67/IP68‑rated water and dust resistance, making them ideal for long‑term temperature monitoring in liquid‑filled applications, humid environments, and industrial equipment. These sensors serve as the core sensing elements for precise temperature control in water heaters, wall‑mounted boilers, HVAC systems, and industrial automation devices.

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Category:

Industrial Automation and Industrial Control

Keyword: Stainless Steel Encapsulated Waterproof NTC Temperature Sensor

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Key Features

Precise temperature measurement, stable operation across a wide temperature range.

All-stainless-steel waterproof construction with excellent environmental resistance.

Fast response, low power consumption, and high reliability

High mechanical strength, resistant to impact and vibration.

Technical Specifications (Reference for Standard Model)

Encapsulation type: Fully sealed, waterproof probe made of stainless steel
Probe material: SUS304/SUS316
Stainless steel probe dimensions: diameter 3 mm to 10 mm, length 10 mm to 100 mm (customizable).
Rated resistance (25°C): 10 kΩ / 50 kΩ / 100 kΩ (tolerance: ±1% / ±2% / ±5%, selectable)
B value (25/50℃/25/85℃): 3950 K / 3977 K (tolerance ±1% / ±3%, optional)
Operating temperature range: -40°C to +200°C
Thermal time constant (τ0.5) ≤ 5 s (in water, typical value)
Dissipation coefficient: 5 mW/°C (typical value)
Protection rating IP67/IP68 (customizable)
Lead wire material: PVC / silicone / Teflon‑insulated copper wire (customizable wire diameter and length)
Insulation resistance ≥ 100 MΩ (DC 500 V, ambient temperature)
Compliant with environmental standards RoHS and REACH

Customized Services

Customized selection and tailoring of resistance values, B‑values, and accuracy classes;
Customization of probe size, material, lead wire length/material, and connector;
Development of special protection‑class and high/low‑temperature models;
We provide a comprehensive temperature–resistance lookup table, product selection guidance, and technical support.

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