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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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TD5A Arkusz danych(PDF) 2 Page - Honeywell Solid State Electronics Center |
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TD5A Arkusz danych(HTML) 2 Page - Honeywell Solid State Electronics Center |
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2 / 3 page  2 Honeywell MICRO SWITCH Division For application help, call 1-800-537-6945 TEMPERATURE SENSORS TD Series RT 2K 2K Vs=5V - + Vo 2K 5K 2K TD Sensor ABSOLUTE MAXIMUM RATINGS Operating Temperature -40 to +150°C (-40 to +302°F) Storage Temperature -55 to +170°C (-67 to +338°F) Voltage 10 VDC Continuous (24 hours) INTERCHANGEABILITY (with 1 mA maximum current) Temperature Resistance ( Ω) Temperature Resistance ( Ω) °C °F °C °F -40 -40 1584 ± 12 (1.9°C) +60 140 2314 ± 9 (1.1°C) -30 -22 1649 ± 11 (1.7°C) +70 158 2397 ± 10 (1.2°C) -20 -4 1715 ± 10 (1.5°C) +80 176 2482 ± 12 (1.4°C) -10 14 1784 ± 9 (1.3°C) +90 194 2569 ± 14 (1.6°C) 032 1854 ± 8 (1.1°C) +100 212 2658 ± 16 (1.8°C) +10 50 1926 ± 6 (0.8°C) +110 230 2748 ± 18 (2.0°C) +20 68 2000 ± 5 (0.7°C) +120 248 2840 ± 19 (2.0°C) +30 86 2076 ± 6 (0.8°C) +130 266 2934 ± 21 (2.2°C) +40 104 2153 ± 6 (0.8°C) +140 284 3030 ± 23 (2.4°C) +50 122 2233 ± 7 (0.9°C) +150 302 3128 ± 25 (2.5°C) It is recommended that resistance measurements be made of 1000 uA or less to minimize internal heating of the sensor. Measurements at currents up to 1 mA will not damage the sensor, but the resis- tance characteristics should be adjusted for internal heating. Equation for computing resistance: R T = RO + (3.84 x 10 -3 x R O x T) + (4.94 x 10 -6 x R O x T 2 ) R T = Resistance at temperature R R O = Resistance at 0°C T = Temperature in °C Linearity ± 2% (-25 °C to 85 °C) ± 3% (-40 °C to 150 °C) TD sensors can be linearized to within ± 0.2 % Repeatability ± 1 Ohm FIGURE 1. TD SERIES RESISTANCE VS ELECTRICAL INTERFACING The high nominal resistance, positive temperature coefficient and linear sensitivity characteristics of the TD Series temperature sensors simplifies the task of designing a simple circuit that can be used to linearize the voltage output to within 0.2% or a ± 0.4 °C error over a range of 40 to +150 °C (-40 to +302 °F). Figure 2 is a simple circuit that can be used to linearize the voltage output to within 0.2% or a ± 0.4 °C error over a range of -40 to +150 °C (-40 to +302 °F). Figure 3 illustrates one method of detecting one particular temperature. The potentiometer in the comparator circuit can be adjusted to correspond to the desired temperature. 1K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K V R =IV 1K 9K -Vs - +Vs + +10V 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K -Vs - + +Vs TD Vo=.001R TD Sensor Figure 2. Linear Output Voltage Circuit Figure 3. Adjustable Point (Comparator) Interface TEMPERATURE CURVE |
Podobny numer części - TD5A |
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