
Automation Components Inc (ACI) A/CP-INW-4-BB Thermistor
The Automation Components Inc (ACI) A/CP-INW-4-BB is a high-precision 10K Ohms Type II Thermistor engineered specifically for HVAC Building Automation Systems (BAS) and light industrial monitoring. Featuring a 4-inch 304 stainless steel probe, this immersion temperature sensor delivers exceptional accuracy of +/- 0.36°F (0.2°C) at 77°F (25°C). The "INW" (No Well) configuration includes a 1/2 inch NPT male thread, allowing for seamless integration into existing machined thermowells or new installations. Designed for demanding environments, the sensor element is double encapsulated with thermally conductive epoxy to prevent failure from moisture infiltration. The NEMA 3R rated metal bell box provides a weatherproof enclosure suitable for wet applications, including chiller plants, boiler systems, and hydronic HVAC monitoring. Utilizing a Negative Temperature Coefficient (NTC) curve, this sensor is widely compatible with major controllers from Carrier, Trane, Alerton, and Johnson Controls. The inclusion of etched Teflon lead wires ensures long-term chemical resistance and durability in high-cycle thermal environments.
Key Benefits:
- Broad Compatibility: Standardized 10K Type 2 curve integrates easily with most Building Automation Systems.
- Moisture Protection: Double encapsulation process eliminates sensor drift caused by humidity and condensation.
- Durable Enclosure: NEMA 3R bell box protects internal connections from outdoor elements and wet conditions.
- Chemical Resistance: Etched Teflon lead wires provide superior insulation and resistance to environmental stress.
- Industrial Grade: Stainless steel probe ensures fast response times and resistance to corrosion in hydronic applications.
Common Questions:
Does this unit include a thermowell?
No, the "INW" designation indicates "In No Well." A separate machined thermowell must be purchased or an existing one used for installation.
Is this sensor compatible with my controller?
The A/CP series uses a 10K Ohm Type II resistance curve. It is compatible with systems from Carrier, Trane, and Distech, but may not match Honeywell or Siemens systems requiring Type III or different resistance values.
Can this be used in high-pressure water lines?
Yes, provided it is installed within a proper machined thermowell. Note that welded thermowells should not be used in high-velocity or high-pressure applications due to wake frequency risks.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
Automation Components Inc (ACI) A/CP-INW-4-BB Thermistor
The Automation Components Inc (ACI) A/CP-INW-4-BB is a high-precision 10K Ohms Type II Thermistor engineered specifically for HVAC Building Automation Systems (BAS) and light industrial monitoring. Featuring a 4-inch 304 stainless steel probe, this immersion temperature sensor delivers exceptional accuracy of +/- 0.36°F (0.2°C) at 77°F (25°C). The "INW" (No Well) configuration includes a 1/2 inch NPT male thread, allowing for seamless integration into existing machined thermowells or new installations. Designed for demanding environments, the sensor element is double encapsulated with thermally conductive epoxy to prevent failure from moisture infiltration. The NEMA 3R rated metal bell box provides a weatherproof enclosure suitable for wet applications, including chiller plants, boiler systems, and hydronic HVAC monitoring. Utilizing a Negative Temperature Coefficient (NTC) curve, this sensor is widely compatible with major controllers from Carrier, Trane, Alerton, and Johnson Controls. The inclusion of etched Teflon lead wires ensures long-term chemical resistance and durability in high-cycle thermal environments.
Key Benefits:
- Broad Compatibility: Standardized 10K Type 2 curve integrates easily with most Building Automation Systems.
- Moisture Protection: Double encapsulation process eliminates sensor drift caused by humidity and condensation.
- Durable Enclosure: NEMA 3R bell box protects internal connections from outdoor elements and wet conditions.
- Chemical Resistance: Etched Teflon lead wires provide superior insulation and resistance to environmental stress.
- Industrial Grade: Stainless steel probe ensures fast response times and resistance to corrosion in hydronic applications.
Common Questions:
Does this unit include a thermowell?
No, the "INW" designation indicates "In No Well." A separate machined thermowell must be purchased or an existing one used for installation.
Is this sensor compatible with my controller?
The A/CP series uses a 10K Ohm Type II resistance curve. It is compatible with systems from Carrier, Trane, and Distech, but may not match Honeywell or Siemens systems requiring Type III or different resistance values.
Can this be used in high-pressure water lines?
Yes, provided it is installed within a proper machined thermowell. Note that welded thermowells should not be used in high-velocity or high-pressure applications due to wake frequency risks.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
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Description
The Automation Components Inc (ACI) A/CP-INW-4-BB is a high-precision 10K Ohms Type II Thermistor engineered specifically for HVAC Building Automation Systems (BAS) and light industrial monitoring. Featuring a 4-inch 304 stainless steel probe, this immersion temperature sensor delivers exceptional accuracy of +/- 0.36°F (0.2°C) at 77°F (25°C). The "INW" (No Well) configuration includes a 1/2 inch NPT male thread, allowing for seamless integration into existing machined thermowells or new installations. Designed for demanding environments, the sensor element is double encapsulated with thermally conductive epoxy to prevent failure from moisture infiltration. The NEMA 3R rated metal bell box provides a weatherproof enclosure suitable for wet applications, including chiller plants, boiler systems, and hydronic HVAC monitoring. Utilizing a Negative Temperature Coefficient (NTC) curve, this sensor is widely compatible with major controllers from Carrier, Trane, Alerton, and Johnson Controls. The inclusion of etched Teflon lead wires ensures long-term chemical resistance and durability in high-cycle thermal environments.
Key Benefits:
- Broad Compatibility: Standardized 10K Type 2 curve integrates easily with most Building Automation Systems.
- Moisture Protection: Double encapsulation process eliminates sensor drift caused by humidity and condensation.
- Durable Enclosure: NEMA 3R bell box protects internal connections from outdoor elements and wet conditions.
- Chemical Resistance: Etched Teflon lead wires provide superior insulation and resistance to environmental stress.
- Industrial Grade: Stainless steel probe ensures fast response times and resistance to corrosion in hydronic applications.
Common Questions:
Does this unit include a thermowell?
No, the "INW" designation indicates "In No Well." A separate machined thermowell must be purchased or an existing one used for installation.
Is this sensor compatible with my controller?
The A/CP series uses a 10K Ohm Type II resistance curve. It is compatible with systems from Carrier, Trane, and Distech, but may not match Honeywell or Siemens systems requiring Type III or different resistance values.
Can this be used in high-pressure water lines?
Yes, provided it is installed within a proper machined thermowell. Note that welded thermowells should not be used in high-velocity or high-pressure applications due to wake frequency risks.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.












