SJH-100A-L Industrial Grade Low Power NDIR Methane Sensor
Gas Sensor Modules

SJH-100A-L

Industrial Grade Low Power NDIR Methane Sensor

Model
SJH-100A-L
Category
Gas Detectors & Alarms › Gas Sensor Modules

Parameters: CH4

IndustriesIndustrial ProcessEnergy & Biogas
Measurement PrincipleNDIR
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Overview

SJH-100A-L is a miniature low-power dual-beam NDIR methane sensor measuring 0-100% vol with an average current of 16 mA, matrix calibration, temperature/humidity compensation, a high-humidity self-diagnostic alarm, UART-TTL/DA outputs and a 10-year life.

Key Features

  • NDIR technology
  • Matrix calibration ensure excellent accuracy
  • Low power consumption
  • Temperature & humidity compensation
  • High humidity alarm with self diagnostics design
  • Digital and analog output (UART-TTL/DA output)
  • Long lifespan (10 years)

Measured Parameters

ParameterMeasuring Range
CH40~100 %Vol

Specifications

PrincipleNDIR
Measurement GasCH4
Measurement Range0-100%Vol
Accuracy0~1%Vol: ≤±0.06%Vol, 1%~100%Vol:≤±6% of reading
Resolution0.01%vol
Response TimeT90<25s
OutputUART_TTL (2.5-3.3V) / 0.4-2V DC
Working Condition-40 ~ 70℃, 0~95%RH (non-condensing)
Storage Condition-40 ~ 85℃, 0~95%RH (non-condensing)
Power Supply3.3～5.5V DC
Working Current16mA
Life Span10 years
DimensionDia20*H19mm

Applications

  • Fire alarms
  • Battery and solar-powered IoT detectors

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