Gasboard-2501 TDLAS CH₄ Sensor Gasboard-2501 Series
Gas Sensor Modules

Gasboard-2501

TDLAS CH₄ Sensor Gasboard-2501 Series

Model
Gasboard-2501
Category
Gas Detectors & Alarms › Gas Sensor Modules

Parameters: CH4

IndustriesIndustrial ProcessEnergy & Biogas
Measurement PrincipleTDLAS
Request a QuoteTechnical InquiryCatalog (PDF)

Overview

Gasboard-2501 is a TDLAS methane sensor series with strong selectivity against water vapor and other gases, ±5% LEL accuracy over 0-100% LEL and -25 to +55℃, T90 <20 s, minimal drift, a 10+ year life and ATEX/IECEx Ex ia IIC T4 Ga certification for oil and gas, mining, landfills and pipelines.

Key Features

  • Narrow absorbing spectrum ensures unique selectivity to methane
  • Modularized design brings great long-term stability
  • Fast Response Time T90<20s
  • ATEX and IECEx Certified, Ex ia IIC T4 Ga

Measured Parameters

ParameterMeasuring Range
CH405F: 0~100 %LEL (0~5 %Vol) / 100F: 0~100 %Vol

Specifications

PrincipleTDLAS
Measurement GasCH4
ModelGasboard-2501-05F; / Gasboard-2501-100F
Measurement RangeGasboard-2501-05F: 0-100%LEL (0~5%Vol); / Gasboard-2501-100F: 0-100%Vol
AccuracyGasboard-2501-05F: ±5%LEL; / Gasboard-2501-100F: ±(0.25%Vol or 5% of reading, take whichever is greater)
ResolutionGasboard-2501-05F: 0.1% LEL; / Gasboard-2501-100F: 0.01%Vol
Response TimeT90<20s
OutputUART_TTL (3V)
Working Condition-25 ~ 55℃, 0~98%RH (non-condensing)
Storage Condition-40 ~ 85℃, 0~98%RH (non-condensing)
Power Supply3.2~5.5V DC
Working Current<30mA (@25℃, 3.3V DC)
DimensionDia35mm*H57.5mm

Applications

  • Underground pipe networks
  • Oil and gas
  • Mining
  • Landfills and sewage treatment plants
  • LNG transport and pipeline leak detection
  • Greenhouse gas emission quantification

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