RTD Technology Industrial Thermometers
Description
RTD (Resistance Temperature Detector) Technology Industrial Thermometers are devices used to measure temperature by correlating the resistance of the RTD element with temperature. These thermometers are known for their precision and stability, providing accurate temperature readings over a wide range of conditions.
Working Principle
RTD thermometers operate based on the principle that the electrical resistance of a metal changes with temperature. Typically, the sensing element in an RTD is made of platinum, which is chosen for its nearly linear resistance-temperature relationship and high accuracy. As the temperature increases, the resistance of the platinum wire also increases. This change in resistance is measured and converted into a temperature reading. The RTD element is usually a coil of wire or a grid of conductive film, and it is enclosed in a protective sheath to ensure it reaches the same temperature as the environment it is measuring. This principle makes RTDs particularly useful for applications requiring high accuracy and stability.
Applications
RTDs are widely used in various industries due to their accuracy and reliability. In the pharmaceutical and food processing industries, RTDs are essential for maintaining precise temperature control to ensure product quality and safety. In power generation, RTDs monitor the temperature of boilers and turbines to prevent overheating and improve efficiency. The automobile and aerospace industries use RTDs to measure engine and cabin temperatures, ensuring safety and performance.
Advantages over other Manufacturing - Specialized Manufacturing Equipment and Components
RTDs offer several advantages over other temperature sensors like thermocouples and thermistors. They provide stable and accurate readings over long periods, making them ideal for applications where precision is critical. RTDs are also easy to calibrate, which simplifies maintenance and ensures consistent performance. Compared to thermocouples, RTDs are preferred in environments where high accuracy and stability are more important than the ability to measure extremely high temperatures.
Limitations
Despite their advantages, RTDs have some limitations. They generally have a smaller overall temperature range compared to thermocouples, which can limit their use in extremely high-temperature applications. RTDs also tend to have a higher initial cost and are less rugged, making them more susceptible to damage in harsh environments.
Considerations
When selecting RTDs, several factors should be considered. The initial cost of RTDs is higher than some other temperature sensors, but their accuracy and stability can justify the investment in applications where precision is crucial. Operating expenses are generally low, as RTDs require minimal maintenance. However, their less rugged design means they may need more frequent replacement in demanding environments. Durability and accuracy should be weighed against the specific requirements of the application to determine if RTDs are the best choice.
from DigiKey
Handheld -58 ~ 320 °F (-50 ~ 160 °C) Probe Thermometer LCD C °/F ° Backlight, Memory, Min/Max, Data Logging (RS-232) [See More]
- Thermometer Type: RTD Technology
- Range: -58 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered; Has Datalogger or Data Collection Capability; Probe
from DigiKey
Handheld -58 ~ 320 °F (-50 ~ 160 °C) Probe Thermometer LCD C °/F ° Backlight, Memory, Min/Max [See More]
- Thermometer Type: RTD Technology
- Range: -58 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered; Has Datalogger or Data Collection Capability; Probe
from DigiKey
Handheld -58 ~ 320 °F (-50 ~ 160 °C) Probe Thermometer LCD C °/F ° Backlight, Memory, Min/Max, Data Logging (RS-232) [See More]
- Thermometer Type: RTD Technology
- Range: -58 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered; Has Datalogger or Data Collection Capability; Probe
from DigiKey
Handheld -58 ~ 320 °F (-50 ~ 160 °C) Probe Thermometer LCD C °/F ° Backlight, Memory, Min/Max [See More]
- Thermometer Type: RTD Technology
- Range: -58 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered; Has Datalogger or Data Collection Capability; Probe
from DigiKey
Handheld -58 ~ 320 °F (-50 ~ 160 °C) Probe Thermometer LCD C °/F ° Backlight, Memory, Min/Max [See More]
- Thermometer Type: RTD Technology
- Range: -58 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered; Has Datalogger or Data Collection Capability; Probe
from DigiKey
BENCHTOP RTD DIGITAL THERMOMETER [See More]
- Thermometer Type: Thermocouple Technology; RTD Technology
- Range: 0.0 to 50
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Pocket
from DigiKey
HANDHELD RTD THERMOMETER, WATERP [See More]
- Thermometer Type: RTD Technology
- Range: -100 to 300
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Configuration/ Features: Battery Powered
from OMEGA Engineering, Inc.
The DP9601 provides precise platinum resistance thermometer temperature measurement and logging for exacting applications in both laboratory and site locations. It is an exceptionally accurate and stable digital thermometer particularly suitable for use with thermal calibration baths as a reference... [See More]
- Thermometer Type: RTD Technology
- Range: -328 to 1562
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Range: -200 to 850
from Winters Instruments
Local and remote temperature sensing. [See More]
- Thermometer Type: Bimetal; Thermocouple Technology; RTD Technology
- Range: -40 to 1000
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Range: -80 to 550
from TEGAM, Inc.
Platinum RTD Thermometer °F. Model 868 Digital RTD Thermometer measures temperatures from -360 °F to 1100 °F. Model 869 Digital RTD Thermometer measures temperatures from -220 to 630 °C. Compatible with either 3 or 4 wire RTDs, temperature measurement is performed with a best accuracy of... [See More]
- Thermometer Type: RTD Technology
- Range: -100 to 1100
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Divisions: 0.4000 to 2
from OMEGA Engineering, Inc.
The OM-70 Series of portable temperature and temperature/humidity data loggers are easy-to use, versatile devices which can be used for a wide range of logging applications including coolers, freezers, greenhouses, museums, laboratories, shipping containers, warehouses, environmental monitoring and... [See More]
- Thermometer Type: RTD Technology
- Range: -40 to 160
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Divisions: 1
from Winters Instruments
New construction, plumbing, water lines, boilers, heating, ventilation, air conditioning and industrial process. [See More]
- Thermometer Type: Other; RTD Technology
- Range: -50 to 320
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Range: -45 to 160
from TEGAM, Inc.
Calibrator Thermometer. °C & °F. (K, J, T, & E, Ohms, 100 Ohms RTD & Thermistor). The ideal solution for anyone that needs a handheld, multi-purpose calibrator to perform field or lab tests on temperature probes or thermometers. These meters will simulate, source, measure and... [See More]
- Thermometer Type: Thermocouple Technology; RTD Technology; Thermistor Technology
- Range: -346 to 2502
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Divisions: 0.2000 to 0.5000
from OMEGA Engineering, Inc.
The OMEGA ® iSD-TC provides Web-based temperature monitoring in critical equipment and locations such as computer server rooms, clean rooms, laboratories, museums, warehouses, or any remote facility. View and record temperature on two independent thermocouple channels, over an Ethernet network... [See More]
- Thermometer Type: RTD Technology
- Range: -436 to 3308
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Divisions: 0.7000 to 1.8
from TEGAM, Inc.
Calibrator Thermometer. °C & °F. (Multi T/Cs, Ohms, 100 Ohms & 1000 Ohms RTD). The ideal solution for anyone that needs a hand held, multi-purpose calibrator to perform field or lab tests on temperature probes or thermometers. The 855 meter will simulate, source, measure and record... [See More]
- Thermometer Type: Thermocouple Technology; RTD Technology
- Range: -346 to 4201
- Display / Scale Characteristics: Fahrenheit; Celsius/Centigrade
- Divisions: 0.2000 to 0.5000