1k thermistor resistance chart

Thermistor Resistance As the temperature increases, the resistance first decreases, then rising slightly before it reaches a critical temperature, Tc. In any case, today I did the resistance test (put the thermistor into ice-cold water and tested the resistance), and it read 8.8K ohms. Furthermore, NTC thermistor resistances at 25 °C are significantly higher than those of the PTC variety. PN 1600-10K Thermistor Thermistor Resistance vs Temperature Chart The enclosed negative temperature coefficient (NTC) thermistor, pn 1600-10K. Positive temperature coefficient thermistors have a resistance which rises as the temperature increases (Fig 2.) NTC Thermistors for Temp. Enter your email address below to subscribe: © Copyright Sterling Sensors UK Ltd 2019 - Registered in England no. negative K - STA1 Sensor type: Thermistor, temp coef. They are ideal as current and temperature limiting devices for circuit protection, such as Lithium batteries. At 32°F (0°C) the 10K-2 thermistor has 32,650 Ohms of resistance and a 10K-3 29,490 Ohms. It is important to note that a thermistor’s change in resistance is non-linear. Spec table for the GE-built refrigerators using the WR55X10025 thermistors. In order to test you can measure the ambient temperature, make the sensor is removed and acclimated, measure the Ohms of resistance and compare to the manufacturer chart. NTC Thermistors, Long Insulated Leads 150 °C With Very Low Thermal Gradient: 10K: 10K: 2.19: 3984: 3984: 0.5-55: 150 Rated resistance (R 25) The rated PTC resistance is normally defined as the resistance at 25°C. 1 31031 2 29500 3 28054 4 26687 5 25395 6 24172 7 23016 8 21921 9 20885 10 19903 11 18973 12 18092 13 17257 14 16465 15 15714 16 15001 17 14324 18 13682 19 13073 20 12493 Please note that the typical failure mode for this type of sensor is to cause the refrigerator to cool all of the time due to high resistance. SENSOR RESISTANCE CHART – PRECON THERMISTORS ... Temp°F Resistance Resistance Resistance Resistance Resistance Resistance-35 63.08K 84.09K 280.1K 2801K 203.6K-30 52.72K 70.27K 234.1K 2341K 173.6K-25 44.20K 58.92K 196.3K 1963K 148.3K negative P - 30K6A1 Sensor type: Thermistor, temp coef. 42 48 28 75 oC Ohms Temp. Thermistor Resistance Chart . A defrost “sensor” is generally a thermistor. All Sensor Types (TI 700-11). The minimum resistance of a PTC thermistor is the lowest resistance that can be measured on a switched type PTC thermistor, as seen on the R-T curve. Negative temperature coefficient (NTC) thermistors have a resistance which reduces as the temperature rises (fig 1.). They are used for resistance thermometers in temperature measurement and all Sterling Sensors assemblies are made using this type of thermistor. The thermistor is not electrically polarized. Commercially available thermistors have nominal values of 1K, 2K, 10K, 20K, 100K, etc. The other differences between the Thermistor and RTD are explained below in the comparison chart. They are used for resistance thermometers in temperature measurement and all Sterling Sensors assemblies are made using this type of thermistor. of Teflon encased thermistors add 100 to part No. Operating Type Resistance Coefficient Range BA/1K[375]* 1 kΩ @ 0 °C 3.75Ω/°C -60 to 150 °C BA/1K[Ni] 1 kΩ @ 21 °C 5.68Ω/°C -60 to 200 °C BA/1K* 1 kΩ @ 0 °C 3.85Ω/°C … Figure 1: Thermistor resistance changes with temperature. Self Heating (1K RTD only): 0.4°C/mW at 0°C Standardization: DIN 43760-1980, IEC Pub 751-1983, JIS C1604-1989 Sensor Reference Temp. It follows a pre-defined curve which is provided by the thermistor manufacturer. An NTC thermistor is a thermally sensitive resistor whose resistance exhibits a large, precise and predictable decrease as the core temperature of the resistor increases over the operating temperature range. Thermistor Description Thermistor Overview BAPI Thermistors are thermally sensitive resistors known for exhibiting a large change in resistance with only a small change in temperature. NTC Thermistors. Thermistor temperature sensor probe assemblies can conveniently attach to or be an integral part of any system to monitor or control temperature. °C Rt/R25 TEMP. Solar Thermal Technology Leader. It should tell me the thermistor is good, but maybe I need to do a more extensive test and compare the results with the offical temperature vs resistance chart. C Ohms Temp. H���A�� ���}��\E�Ȫkv�rJ��{X�x���8 ���=��d��(�[VW���"�{������Ͽ~���_?������������tx�ǟ������/�w?ᔧ�_mJ�6a�3�r���|x��O_^/����C�.���}8����C�s�׫�\�\i�3P��G�9��^o\>-78�������r8��?�yU9��8��S��~:=���ԎӟO�\��Ot����g8~?=��ӗ>O�O���������/�?�� az��,��Ǖ w�ǟNr���3?}{��������ן��!��č΅����?���������M;�6�,��xZ�yyz���.������;�o߼�?�tJ���W������Y����k�i�@�e�>�k4?:�;�m�����EA�ƴ|�m>��ұ�z-�����ZNm����d��ɴ\��a}�ےtQ�˶(��P��Cߩq�n���N�Q�^��F9���P�@]W�l�%P㺈^�/�Yk`���ٱ�^�ɳ.|;k�Yq�H}�ֲ. Also note that the response of this thermistor is not linear. NTC Thermistor Slope and Resistance Deviation 2 Honeywell • Sensing and Control Example 1: How fast will a 10k thermistor change at 25 °C [77 °F] where the slope is -4.4%/°C? It follows a pre-defined curve which is provided by the thermistor manufacturer. You must have JavaScript enabled in your browser to utilize the functionality of this website. The Thermistor and the RTD both are the temperatures measuring device. When you would use the numbers of the 100k thermistor then the result of the formula could be less accurate. It is the point on the curve after which the temperature coefficient turns positive. All the thermistors have 10,000 Ohms of resistance at 77°F or 25°C, but they vary greatly the further you get away from 77°F. JavaScript seems to be disabled in your browser. sales@sterlingsensors.co.uk +44 (0) 161 620 0410. and are not used for temperature measurement. Negative temperature coefficient (NTC) thermistors have a resistance which reduces as the temperature rises (fig 1.). %PDF-1.5 %���� From the figure you can see that thermistors have high sensitivity. Both BAPI’s 10K-2 and 10K-3 thermistors have 10,000 Ohms of resistance at 77°F. 4 Sensor Type 3. 441is a Teflon encased thermistor with the same resistance values. A thermistor changes resistance based on the temperature it is exposed to. C Ohms Temp. 3k 10kType 10kType 10kDale 10k3A210kG US 20k. The characteristic of the switching PTC thermistor shows that the device has a highly non-linear characteristic. *f�3b�a � �u�k5{j6GN)PC�. I have read the resistance on the thermistor from the freezer and get a reading of 2.4 at room temperature and 7.9 in a glass of ice water.. An example of a thermistor output curve can be seen in Figure 1. negative N - 3K3A1 Sensor type: Thermistor, temp coef. Sensor Type (°F) 1 - 100 ohm Platinum RTD 3 - 1,000 ohm Platinum RTD 4 - 1,000 ohm Nickel RTD (6000 PPM) 5 - 1,000 ohm Balco RTD 7 - 10,000 ohm NTC thermistor (Type III) 10 - 3,000 ohm NTC thermistor 12- 10,000 ohm NTC thermistor (Type II) 13 - 5,000 ohm NTC thermistor 14 - 1,035 ohm Silicon PTC 15- 100,000 ohm NTC thermistor Sensor and Compensation Chip Type NC NTC Thermistors Chip Type D F E J P U ±0.5% ±1% ±3% ±5% 03/05/10/12/60 pS Individual Specifications Product ID Code Code Series Resistance Tolerance Code (Part Number) 5Resistance Expressed by three-digit alphanumerics. 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