AM4205H-LC-I NDIR Refrigerant Sensor AM4205H-LC-I (R32/R454B)
Gas Sensor Modules

AM4205H-LC-I

NDIR Refrigerant Sensor AM4205H-LC-I (R32/R454B)

Model
AM4205H-LC-I
Category
Gas Detectors & Alarms › Gas Sensor Modules

Parameters: R454B, R32, R454C, R290

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

Overview

AM4205H-LC-I-R32/R454B is an NDIR dual-gas sensor for R32/R454B leak monitoring in HVAC&R, with matrix calibration, dynamic anti-condensation heating up to 95℃, T40 ≤30 s, IP54 and salt-spray resistance, a 15+ year life and UL 60335-2-40 Annex LL compliance with ETL certification.

Key Features

  • NDIR technology
  • High accuracy, long-term stability
  • Automatic heating mechanism for anti-condensation
  • High temperature resistance supports continuous operation at 95℃
  • Fast response time T40 ≤ 30s
  • Resistant to salt spray and harsh environments
  • The IP54 rating environmental protection
  • Long lifespan over 15 years
  • Compliant with UL 60335-2-40:2022 Ed.4 Annex LL
  • Intertek ETL certification supports A2L refrigerant safety applications

Measured Parameters

ParameterMeasuring Range
R454B0~100 %LFL
R32To be confirmed
R454CTo be confirmed
R290To be confirmed

Specifications

PrincipleNon-dispersive infrared (NDIR) technology
Target gasR454B/R32/R454C/R290
Measurement range0-100%LFL
Resolution0.01%LFL
Alarm value10%LFL by default
Accuracy±2.5%LFL@<25%LFL; ±10%of reading @25%~100%LFL
Sampling rate≤1s
Response timeT40≤30s
OutputUARTTTL@5V
Lifetime＞15 years
Protection levelIP54
Working conditions-30~94 C; 0~95%RH (non -condensing, sustainable work)
Storage conditions-40~70C; 0~95%RH (non-condensing)
Working pressure80~120kPa
Anti-condensationAnti-condensing
Frost recovery: Frost recovery time≤15min
Power supply5±0.2V DC
Average working current≤300mA
Peak current≤550mA

Applications

  • Residential and commercial air conditioners
  • Heat pumps
  • Industrial cooling

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