T3400 Series A2L Refrigerant Leak Detection Sensor

Amphenol high-performance A2L refrigerant leak detection sensors utilize thermal conductivity technology

Image of Amphenol Advanced Sensors T3400 Series A2L Refrigerant Leak Detection SensorThe Amphenol Advanced Sensors Telaire T3400 series A2L refrigerant leak detection sensors offer a dependable solution for identifying refrigerant gas leaks. By employing a microthermal conductivity detector (TCD) sensing element, these sensors analyze changes in the thermal conductivity of the ambient gas mixture to detect variations in refrigerant concentration. This technology provides superior long-term reliability and resilience, particularly in challenging operational environments, outperforming alternative detection methods. In the event of a refrigerant leak, the T3400 sensors promptly identify the shift in gas composition, enabling timely intervention and mitigation.

Features
  • Proven thermal conductivity sensing technology
  • Fully calibrated with humidity and pressure compensation
  • Supports R32 and R454B refrigerants (others available upon request)
  • ETL recognized to UL60335-2-40 standards (R454B); UL recognition pending for R32/R454B
  • IP54-rated package with integrated harness and connector
  • Long-term reliability: >15-year lifetime
  • RS485 MODBUS communication
  • Low power consumption: 3.3 VDC to 5 VDC supply, 22 mA max current
  • Wide operating range: 0% to 100% LFL
  • High accuracy: ±2.5% LFL at 15°C to 25°C, 30% to 70% RH
  • Evaluation kits available for rapid prototyping and testing
  • Custom design capabilities, including:
    • Packaging and interconnects
    • Communication protocols
    • Refrigerant blends and alarm setpoints
    • Onboard relays and condensation mitigation
    • Supply voltage options
  • Compact size, ideal for space-constrained applications
  • Fast response time: <15 seconds
  • Accurate, stable, and repeatable measurement capability
Applications
  • OEM HVAC/R systems, both commercial and residential
  • Commercial refrigeration systems
  • Heat pumps
  • Datacenter cooling equipment
  • Industrial refrigeration systems
  • Chillers

T3400 Series A2L Refrigerant Leak Detection Sensor

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
New Product
T3400 A2L REFRIGERANT SENSOR, R-
T3400T3400 A2L REFRIGERANT SENSOR, R-4 - Immediate$40.00View Details
New Product
EVAL BOARD FOR T3400
T3400-EVALEVAL BOARD FOR T34001 - Immediate$62.75View Details
New Product
T3401 A2L REFRIGERANT SENSOR, R-
T3401T3401 A2L REFRIGERANT SENSOR, R-70 - Immediate$40.00View Details
New Product
EVAL BOARD FOR T3401
T3401-EVALEVAL BOARD FOR T34011 - Immediate$62.75View Details
Published: 2025-05-20