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Linear Thermistor Sensor Kit
Linear Thermistor Components Probes and Applications
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Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-9 | $86.42 |
| 10-24 | $82.10 |
| 25-49 | $80.37 |
| 50-99 | $76.91 |
| 100-199 | $75.19 |
| 200+ | $73.46 |
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44203 Model Options
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Resistance or Output Type
Temperature Accuracy
Additional Features
Application
Linear Response Components
For applications requiring thermistors with linear response to temperature change, OMEGA offers linear components. These unique devices consist of a thermistor composite for temperature sensing and an external resistor composite for linearizing.
Thermistor composites 44018 and 44019 each contain two thermistors packaged in a single sensor ( PDF Figures 1A & 1B). Thermistor composite 44020 contains three thermistors packaged in a single sensor (PDF Figure 1C).
Resistor composites for use with 44018 and 44019 thermistor composites consist of two metal film resistors of the size shown in Figure 2. Resistor composites for use with the 44020 thermistor composite consist of three of the same type metal film resistors.
Linear components are manufactured with different values for different temperatures ranges. When they are connected in networks shown in Figures 3 and 4, they produce a varying voltage or resistance which is linear with temperature.
One of the basic network manifestations is a voltage divider as in PDF Figure 3A for components other than #44212, and as shown in PDF Figure 3B for component #44212. The area within the dashed lines represents the thermistor composite. The network hookup for linear resistance versus temperature is shown in PDF Figure 4A for linear components except #44212, and in PDF Figure 4B for #44212.
Multiplexing
The 44018 thermistor composite is used in four of the linear components. The part that changes in each component is the resistor composite, which determines the temperature range. Therefore, the 44018 thermistor composite can be used over the entire -30 to 100°C temperature range by simply changing resistor composites. Its accuracy and interchangeability over the full range is ±0.15°C. It is not mandatory that OMEGA™ resistor composites be used with the 44018 thermistor composite. Any 0.1% resistors of the proper values and with a temperature coefficient of 30 PPM or less may be substituted. In other situations, it is frequently desirable to have thermistor composite temperature sensors at more than one location. When this is required, it is not necessary to have a separate resistor composite for each thermistor composite. It is possible to multiplex any number of thermistor composites through a single resistor composite for greater design flexibility.
PLEASE REVIEW pdf SPEC SHEET for complete product specifications and additional technical details.
For applications requiring thermistors with linear response to temperature change, OMEGA offers linear components. These unique devices consist of a thermistor composite for temperature sensing and an external resistor composite for linearizing.
Thermistor composites 44018 and 44019 each contain two thermistors packaged in a single sensor ( PDF Figures 1A & 1B). Thermistor composite 44020 contains three thermistors packaged in a single sensor (PDF Figure 1C).
Resistor composites for use with 44018 and 44019 thermistor composites consist of two metal film resistors of the size shown in Figure 2. Resistor composites for use with the 44020 thermistor composite consist of three of the same type metal film resistors.
Linear components are manufactured with different values for different temperatures ranges. When they are connected in networks shown in Figures 3 and 4, they produce a varying voltage or resistance which is linear with temperature.
One of the basic network manifestations is a voltage divider as in PDF Figure 3A for components other than #44212, and as shown in PDF Figure 3B for component #44212. The area within the dashed lines represents the thermistor composite. The network hookup for linear resistance versus temperature is shown in PDF Figure 4A for linear components except #44212, and in PDF Figure 4B for #44212.
Multiplexing
The 44018 thermistor composite is used in four of the linear components. The part that changes in each component is the resistor composite, which determines the temperature range. Therefore, the 44018 thermistor composite can be used over the entire -30 to 100°C temperature range by simply changing resistor composites. Its accuracy and interchangeability over the full range is ±0.15°C. It is not mandatory that OMEGA™ resistor composites be used with the 44018 thermistor composite. Any 0.1% resistors of the proper values and with a temperature coefficient of 30 PPM or less may be substituted. In other situations, it is frequently desirable to have thermistor composite temperature sensors at more than one location. When this is required, it is not necessary to have a separate resistor composite for each thermistor composite. It is possible to multiplex any number of thermistor composites through a single resistor composite for greater design flexibility.
PLEASE REVIEW pdf SPEC SHEET for complete product specifications and additional technical details.
| °C | °F | °C | °F | |
|---|---|---|---|---|
| † Linear Components Kit Model No. | 44201 | 44202 | ||
| Range | 0 to 100°C | 32 to 212°F | -5 to 45°C | 23 to 113°F |
| Thermistor Composite Model No. | 44018 | 44018 | ||
| Resistor Composite Model No. | 44301 | 44302 | ||
| Resistor Composite Values | R1 = 3200Ω R2 = 6250Ω | R1 = 5700Ω R2 = 12000Ω | ||
| Thermistor Accuracy & Interchangeability | ±0.15°C -30 to 100°C | ±0.27°F -22 to 212°F | ±0.15°C -30 to 100°C | ±0.27°F -22 to 212°F |
| E0 Positive Slope | Eout= (+0.0053483 Ein) T +0.13493 Ein | Eout= (+0.00297127 Ein) T +0.03985 Ein | Eout= (+0.0056846 Ein) T +0.194142 Ein | Eout = (+0.00315851 Ein) T +0.093083 Ein |
| E0 Negative Slope | Eout = (-0.0053483 Ein) T +0.86507 Ein | Eout = (-0.00297127 Ein) T +0.96015 Ein | Eout = (-0.0056846 Ein) T +0.805858 Ein | Eout = (-0.00315851 Ein) T +0.906917 Ein |
| Resistance Mode | Rt=(-17.115) T +2768.23 | Rt= (-9.508) T +3072.48 | Rt=(-32.402) T +4593.39 | Rt = (-18,001) T +5169.42 |
| *Ein MAX. | 2.0 Volts | 3.5 Volts 3.5 Volts | ||
| *IT MAX. | 625 µA | 615µA 615 µA | ||
| ***Load Resistance Minimum R.L. | 3 MΩ | 10 MΩ 10 MΩ | ||
| Linearity Deviation | ±0.216°C | ±0.388°F | ±0.065°C | ±0.12°F |
| °C | °F | °C | °F | |
| † Linear Components Kit Model No. | 44203 | 44204 | ||
| Range | -30 to 50°C | -22 to 122°F | -2 to 38°C | +30 to 100°F |
| Thermistor Composite Model No. | 44018 | 44018 | ||
| Resistor Composite Model No. | 44303 | 44304 | ||
| Resistor Composite Values | R1 = 18,700Ω R2 = 35,250Ω | R1 = 5700Ω R2 = 12,400Ω | ||
| Thermistor Accuracy & Interchangeability | ±0.15°C -30 to 100°C | ±0.27°F -22 to +212°F | ±0.15°C -2 to +38°C | ±0.27°F -22 to +212°F |
| E0 Positive Slope | Eout= 0.0067966 Ein) T +0.34893 Ein | Eoout= (+0.00377588 Ein)T +0.228102 Ein | Eout= (+0.00563179 Ein) T +0.192439 Ein | Eout = (+0.0031289 Ein) T +0.09232 Ein |
| E0 Negative Slope | Eout= 0.0067966 Ein) T +0.65107 Ein | Eout= (-0.00377588 Ein) T +0.771898 Ein | Eout= (-0.00563179 Ein) T +0.807563 Ein | Eout = (-0.0031289 Ein) T +0.90768 Ein |
| Resistance Mode | Rt = (-127.096) T +12175 | Rt = (-70.608) T +14435 | Rt = (-32.1012) T +4603.1 | Rt = (-17,834) T +5173.8 |
| *Ein MAX. | 3.0 Volts | 4 Volts | ||
| *IT MAX. | 475 µA | 685 µA | ||
| ***Load Resistance Minimum R.L. | 10 MΩ | 10 MΩ | ||
| Linearity Deviation | ±0.16°C | ±0.29°F | ±0.03°C | ±0.055°F |
| °C | °F | °C | °F | |
| † Linear Components Kit Model No. | 44211A | 44212 | ||
| Range | -55 to 85°C | -67 to 185°F | -50 to 50°C | -58 to 122°F |
| Thermistor Composite Model No. | 44019 | 44020 | ||
| Resistor Composite Model No. | 44311A | 44312 | ||
| Resistor Composite Values | R1 = 3550Ω R2 = 6025Ω | R1 = 23,100Ω R2 = 88,200Ω R3 = 38,000Ω | ||
| Thermistor Accuracy & Interchangeability | ±0.4°C, 0 to 85°C ±0.8°C, -55 to 0°C | ±0.72, 32 to 185°F,br>±1.44, -67 to 32°F | ±0.1°C -50 to 50°C | ±0.18°F - 58 to 122°F |
| E0 Positive Slope | Eout= (+0.005068 Ein) T +0.3411 Ein | Eout= (+0.002816 Ein) T +0.2510 Ein | Eout= (+0.00559149 Ein) T +0.40700 Ein | Eout = (+0.00310638 Ein) T +0.30760 Ein |
| E0 Negative Slope | Eout= (-0.005068 Ein) T +0.6589 Ein | Eout= (-0.002816 Ein) T +0.7490 Ein | Eout= (-0.00559149 Ein) T +0.59300 Ein | Eout = (-0.00310638 Ein) T +0.69240 Ein |
| Resistance Mode | Rt = (-17.99) T +2339 | Rt = (-9.994) T +2658.8 | Rt = (-129.163) T +13698.23 | Rt = (-71.757) T +15994.5 |
| *Ein MAX. | 2.0 Volts | 3.5 Volts | ||
| *IT MAX. | 833 µA | 700 µA | ||
| ***Load Resistance Minimum R.L. | 10 MΩ | 10 MΩ | ||
| Linearity Deviation | ±1.1°C | ±2°F | 0.15°C (condition A)** 0.08°C (condition B)** | ±0.27°F (A) ±0.15°F (B) |
