|
Thin Film Platinum RTD Platinum on ceramic substrate
|
NTC Thermistor metal oxide
|
KTY® Silicon, Barium Titanate
|
Thermo- couples
|
|
Operating temperature range from -196°C bis 1000°C
|
Operating temperature range from -100°C to 300°C, with special types to 500 °C
|
Operating temperature range from -55°C to +300°C
|
Operating temperature range from -200°C to +1800°C, depending on type
|
|
Characteristic nearly linear and standardized to DIN EN 60751
|
Non-linear characteristic curve No international standard for curves
|
Characteristic more linear than NTC thermistors over the operating temperature range; linearity deviation at least 0.6°C (with optimum linearization)
|
International standardization of Thermocouple types
|
|
Temperature measurement range standard: -70°C to +500°C high: -40°C to 1000°C
|
Temperature measurement range dependent upon type; typical range 200 K
|
Temperature measurement range 200 K; standard: -55°C to +150°C
|
Temperature measurement range -40°C to +1700°C (range depends on type), need of cold-junction compensation, e.g. with TF-PRTD element
|
|
Nominal resistance drift: 0.04% after 1000 h at +500°C
|
Nominal resistance drift: 0.35% after 100h at 150°C
|
Nominal resistance drift: 0.45% after 1250 h at 150°C
|
Dependent upon thermometer design
|
|
Accuracy to DIN EN 60751, Class B: ± 0.21% at +100°C ± 0.33% at +500 °C
|
Typical accuracies ± 1% resistance, +/-0.2°C over narrow temperature ranges
|
Average accuracy ± 5% resistance highest accuracy: ±0.5%
|
Accuracy of Tolerance Class 2, depending on type: 2.5°C or 0.0075 x I t I Cabling with compensation cables
|
|
Signal sensitivity consistent over the entire operating temperature range; for example, > 4 ohms/Deg K for Pt1000
|
High signal sensitivity, but only for certain temperature intervals; larger resistance change per Deg. K than Pt RTD or KTY
|
High signal sensitivity, approx. 15 ohm/K
|
SSensitivity ranges from µV/Deg K to mV/Deg K, depending upon thermocouple type
|
|
Models: Basic element with connecting wires or strips, SMD types, SOT223 and TO92 cases
|
Models: Epoxy or glass encapsulation; diode (DO-35) package, SMD models, many variants; for automatic assembly
|
Models: Glass case, SMD and diode (DO-35) package components
|
Mineral-insulated Thermocouples, bare Thermocouple wires
|
