Product Description

Glass-encapsulated temperature sensors represent a high-reliability category of thermal sensing devices where the sensing element (typically an NTC thermistor or diode) is hermetically sealed within a glass enclosure. This unique construction provides exceptional protection against environmental factors, making these sensors ideal for applications demanding long-term stability and operation in harsh conditions. The glass seal ensures no moisture or gas penetration while maintaining excellent thermal conductivity.

Specification

Product Type: Glass Encapsulated NTC Temperature Sensor
Product features: high temperature resistance, convenient fixed-point installation
Model usage: temperature measurement / temperature control / overheating protection
Operating temperature range: 0~+300℃
Thermal time constant: about 10S
Product withstand voltage: AC1800V*60S
Product qualification: meet the certification requirements
Product application range: Microwave ovens, electric ovens, aroma diffusers, food thermometers, etc.

Temperature Range	-40~300C
Power Supply Range	3.0V to 5.5V
Size	Can be customized
Accuracy	±1%, 2%, 5%, Can be customized
Wire	1m, Can be customized
Probe	glass sealed, Can be customized
Application
Feature	NTC pre-wired thermistor for most 3D printers heat bed & extruder.
	30K ohm temperature sensor.
	XH-2 terminal for connecting.
	With 1m long high temperature insulated wire.
	Durable material for long life.

Features

Complete hermetic sealing for maximum environmental protection

Exceptional stability over extended operational periods

Rapid thermal response due to direct glass-to-element contact

Wide operating temperature range (-80°C to +300°C)

Superior resistance to moisture, chemicals, and oxidation

Miniaturized sizes available for space-constrained applications

High temperature measurement accuracy (±0.1°C typical)

Excellent performance in high-pressure environments

Application

Automotive industry (engine monitoring, exhaust systems)

Medical equipment (sterilizable instruments, diagnostic devices)

Aerospace and defense systems

Industrial process control in corrosive environments

Consumer electronics requiring high reliability

Laboratory and scientific instrumentation

HVAC system critical components

Energy generation and power systems

These sensors maintain their calibration and performance characteristics even after prolonged exposure to extreme temperatures, thermal cycling, and aggressive media. The glass encapsulation provides an impermeable barrier that ensures consistent performance where conventional epoxy-encapsulated sensors would degrade, making them the preferred choice for critical applications where failure is not an option.