AM4215R-DM Series NDIR Dual Refrigerant Gas Leak Sensor AM4215R-DM Series
Gas Sensor Modules

AM4215R-DM Series

NDIR Dual Refrigerant Gas Leak Sensor AM4215R-DM Series

Model
AM4215R-DM Series
Category
Gas Detectors & Alarms › Gas Sensor Modules

Parameters: R32, R454B

IndustriesBuilding & HVAC
Measurement PrincipleNDIR
Request a QuoteTechnical InquiryCatalog (PDF)

Overview

The AM4215R-DM Series is an NDIR dual-refrigerant (R32/R454B) leak sensor designed as a complete refrigerant detection system for HVAC&R, operating from -40 to +95℃ with IP54, salt-spray resistance, anti-frost heating, dual relays, LED alarms, self-diagnosis and UL 60335-2-40 / 2-89 certification.

Key Features

  • NDIR (Non-dispersive Infrared) technology
  • Dual refrigerant gas detection of R32& R454B
  • Matrix calibration to ensure accuracy under full working temperature
  • Fast response
  • Multiple DTLV range available
  • Automatic heating mechanism for anti-condensation and recovery from frost
  • High temperature resistance supports continuous operation at 95℃
  • IP54 protection level
  • Salt spray corrosion resistance
  • Long lifespan over 15 years
  • UL 60335-2-40 & UL 60335-2-89 certified

Measured Parameters

ParameterMeasuring Range
R320~100 %LFL
R454B0~100 %LFL

Specifications

PrincipleNon-dispersive infrared (NDIR) technology
Target gasR32, R454B
Measurement range0~100%LFL
Resolution0.1%LFL
Accuracy2.5%LFL@<25%LFL; 10%of reading@25%~100%LFL
Sampling time1s
Response timeTDTLV30s@25%LFL
Alarm point15%LFL@R32&R454B
Communication outputRS485 + relay + LED indicator
Preheating15 minutes
Protection levelIP54
Lifetime> 15 years
Working conditions-40~95C; 10%~95%RH@45C (non-condensing)
Storage conditions-40~85C; 0~95%RH (non-condensing)
Working pressure60~120kPa
Condensation and frostAnti-condensation, recovery from frost
Power supply20~-30VDC (standard 24V) / 18~30VAC / 47~63Hz (standard 24V)
Power consumption:14VA
Relay load1A 30VDC / 0.3A125VAC

Applications

  • Air conditioning systems
  • Residential and commercial heat pumps
  • Industrial cooling
  • Cold chain

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