AM4205 Series A2L and A3 Refrigerant Gas Sensor AM4205 Series
Gas Sensor Modules

AM4205 Series

A2L and A3 Refrigerant Gas Sensor AM4205 Series

Model
AM4205 Series
Category
Gas Detectors & Alarms › Gas Sensor Modules

Parameters: R32, R290, R454A, R454B, R454C

IndustriesBuilding & HVAC
Request a QuoteTechnical InquiryCatalog (PDF)

Overview

AM4205 is a dual-beam NDIR refrigerant sensor for A2L gases (R32, R454A/B/C) and A3 R290, measuring up to 100% LFL with factory calibration, a heater against condensation and frost, fault diagnostics and IEC/UL 60335-2-40 certification for refrigeration, air conditioning and heat pumps.

Key Features

  • Dual Beam NDIR Technology
  • High Resolution
  • Up to 0~100% LFL Range
  • Digital output of gas concentration
  • Factory calibrated
  • Internal temperature sensor
  • Built-in heater to avoid condensation and frost
  • Fast response, long lifetime
  • Faults Diagnostics & Error Generation
  • OEM/ODM sensor detector is available
  • IEC 60335-2-40 & UL 60335-2-40 certified

Measured Parameters

ParameterMeasuring Range
R320~100 %LFL
R290To be confirmed
R454ATo be confirmed
R454BTo be confirmed
R454CTo be confirmed

Specifications

PrincipleNDIR
Measurement GasR32/R454A/R454B/R454C/R290
Measurement Range0-100%LEL
Accuracy±2.5% LFL
Resolution0.1% LEL
Response TimeT90≤30s
OutputRS485+Modbus / Analog output optional
Working Condition-40 ~ 85℃, 0~95%RH (non-condensing)
Storage Condition-40 ~ 85℃, 0~95%RH (non-condensing)
Power Supply5±0.5V DC
Working Current≤100mA (without heater)
Lifespan>15 years
Dimension76.8*59.2*19.5mm

Applications

  • Automotive air conditioners
  • Refrigerant leakage detection
  • Commercial, transport and industrial refrigeration
  • Heat pumps

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