A/CP-I-4" Series Immersion Thermistor | 10K Type II | Multiple Enclosure Options

Precision Temperature Sensing for HVAC & Hydronic Systems

The A/CP-I-4" (10.16 cm) Series Immersion Thermistor is engineered for reliable temperature measurement in water-based HVAC systems including chilled water loops, boilers, heat pumps, and compressors. Each model in the series features a 10K Ohm Type II thermistor with a welded 304 stainless steel thermowell, ensuring fast response and long-term stability.

Choose from four enclosure types: Plastic, Galvanized Steel, Aluminum, or NEMA 4X Polystyrene. Tailored for indoor, outdoor, or high-moisture environments. All units are factory-calibrated and backed by a 5-Year Limited Warranty.

Custom sizes available. Click “Enquire Now” to request a quote or configuration guide.

Key Features

• Sensor Type: 10K Ohm Type II NTC Thermistor (Non-linear)
• Accuracy: ±0.2°C (typical), ±0.3°C (A/10K-E1)
• Thermowell: 304 SS welded, ½” NPT male thread
• Probe Length: 4" (10.16 cm) standard, custom lengths available
• Response Time: 10 sec (63% step)
• Lead Wire: 14" (35.6 cm), PTFE-insulated, 22 AWG silver-plated copper
• Operating Temp: -40 to 150°C
• Certifications: CE, UKCA, RoHS2, WEEE
• Warranty: 5-Year Limited (ACI)
  

Applications

• Chilled & Hot Water Systems
• Boilers, Heat Pumps & Compressors
• Hydronic HVAC Installations
• Commercial Mechanical Rooms
• Outdoor & Humid Environments
• BMS & Energy Monitoring Platforms

Models

Note: Need a different size? Simply click the ‘Make an Enquiry’ button above to request a custom quote.

• Datasheet
• PB Factsheet
• BB Factsheet
• GD Factsheet
• 4X Factsheet