| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Comet America |
THERMO-HYGROMETER |
20 |
|
 |
Comet America |
THERMOMETER ETHERNET, 2 RELAYS |
20 |
|
 |
Comet America |
THERMO-HYGROMETER FOR COMP.AIR |
20 |
|
 |
Comet America |
T-SENSOR PT1000 0C TO +150C |
20 |
|
 |
Comet America |
TEMP.MOBILE LOGGER INT. SENSOR |
20 |
|
 |
Comet America |
DUCT MOUNT T-PROBE 0 TO +150C |
20 |
|
 |
Comet America |
WEB SENSOR - 4 CH. REMOTE RH+T |
20 |
|
 |
Comet America |
T-SENSOR WITH 0-10V OUTPUT |
18 |
|
 |
Comet America |
T-SENSOR PT1000 -50C TO +50C |
20 |
|
 |
Comet America |
T-SENSOR OUTDOOR 4-20MA OUTPUT |
6 |
|
 |
Comet America |
TEMP LOGGER; INTERNAL SENSOR |
20 |
|
 |
Comet America |
T-SENSOR RS232 INTERFACE |
19 |
|
 |
Comet America |
T-SENSOR PT1000 -100C TO +30C |
20 |
|
 |
Comet America |
T-SENSOR PT1000 0C TO +400C |
20 |
|
 |
Comet America |
T-SENSOR WITH 0-10V OUTPUT |
20 |
|
 |
Comet America |
T-SENSOR PT1000 -30C TO +60C |
20 |
|
 |
Comet America |
T-SENSOR RS485 OUTPUT |
20 |
|
 |
Comet America |
TEMP. SENSOR WITH 4-20MA OUTPUT |
14 |
|
 |
Comet America |
T-SENSOR RS232 OUTPUT |
20 |
|
 |
Comet America |
T-SENSOR PT100 -50C TO +50C |
20 |
|
Temperature sensors are devices that detect thermal energy and convert it into electrical signals. They are categorized into analog and digital output types based on signal transmission methods. Analog sensors produce continuous voltage/current signals, while digital sensors output discrete numerical values via communication protocols. These sensors are critical in industrial automation, healthcare, consumer electronics, and environmental monitoring, enabling precise thermal management and system reliability.
| Type | Function Features | Application Examples |
|---|---|---|
| Analog Sensors (e.g., Thermistors, RTDs) | Continuous signal output, high resolution, requires ADC conversion | Industrial process control, HVAC systems |
| Thermocouples | Wide temperature range (-200 C to 2000 C), self-powered | High-temperature furnaces, automotive exhaust monitoring |
| Digital Sensors (e.g., IC-based) | Integrated ADC, protocol interfaces (I2C/SPI), high accuracy | Smart thermostats, wearable devices |
| Infrared Sensors | Contactless measurement, detects thermal radiation | Medical thermometers, autonomous vehicle systems |
Typical temperature sensors consist of: - Sensing Element: Thermoresistive materials (e.g., platinum in RTDs) or semiconductor junctions - Signal Conditioning Circuitry: Amplifiers, ADC converters (for digital types), and linearization modules - Package: Hermetic sealing for environmental protection, TO-92 or SMD enclosures - Interface: Wires/pins for analog sensors, digital communication buses (I2C, SPI)
| Parameter | Description | Importance |
|---|---|---|
| Temperature Range | Operational limits (-50 C to +300 C typical) | Determines application suitability |
| Accuracy | 0.1 C to 5 C depending on type | Impacts measurement reliability |
| Response Time | 1ms to 10s for signal stabilization | Critical for dynamic systems |
| Resolution | 0.01 C (high-end digital) to 1 C | Defines measurement granularity |
| Output Interface | Voltage, current, I2C, UART | Dictates system integration method |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | LM75B | Digital output, 2 C accuracy, I2C interface |
| STMicroelectronics | LPS22HB | MEMS-based digital sensor, 0.008 C resolution |
| TE Connectivity | NTC Thermistor NTCG | High sensitivity, automotive-grade reliability |
| Analog Devices | AD8495 | Thermocouple signal conditioner, 1mV/ C output |
Key considerations: - Required temperature range and environmental conditions - Output type compatibility with host system - Accuracy vs. cost trade-offs - Installation constraints (contact vs. non-contact) - Calibration requirements and long-term stability
Future developments focus on: - Wireless sensor networks with integrated BLE/Zigbee - AI-enhanced predictive thermal management - MEMS-based ultra-miniaturized sensors for IoT devices - Energy-harvesting self-powered sensor nodes - Multi-sensor fusion systems combining temperature with humidity/pressure