TDLAS CH4 Sensor
Gasboard-2501 Series

Name: TDLAS CH4 Sensor
Brand: Cubic Sensor and Instrument Co.,Ltd.

With advanced Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology, robust design and ATEX & IECEx Ex ia IIC T4 Ga certification, Gasboard-2501 series are suitable for industrial applications with harsh working conditions.

Overview

Specifications

Overview of TDLAS CH4 Sensor Gasboard-2501 Series

Gasboard-2501 methane sensor is high-performance gas sensor based on tunable laser absorption spectroscopy technology (TDLAS).

Adopting a narrow-band tunable laser source, special gas chambers and optical path design, Gasboard-2501 TDLAS CH4 sensor has features of great stability, high precision, enhanced fast response, humidity interference-free, low maintenance and long lifetime.

Gasboard-2501 series could measure CH4 up to 100%Vol, are designed for scenarios with harsh working conditions. Suitable applications include Oil & Gas industry, energy sector, landfill monitoring, LNG transportation, gas leak detection, emission quantification, etc.

Features

Narrow absorbing spectrum determines great selectivity to CH4
Laser technology to ensure superior accuracy with low drift
Great anti-cross interference to other gases and high humidity
Fast response time
Low power consumption
Long lifetime over 10 years
ATEX & IECEx Ex ia IIC T4 Ga certified

Principle	TDLAS
Measurement Gas	CH4
Model	Gasboard-2501-05F Gasboard-2501-100F
Measurement Range	Gasboard-2501-05F: 0~100%LEL (0~5%Vol) Gasboard-2501-100F: 0~100%Vol
Accuracy	Gasboard-2501-05F: ±5%LEL Gasboard-2501-100F: ±(0.25%Vol or 5% of reading, take whichever is greater)
Resolution	Gasboard-2501-05F: 0.1%LEL Gasboard-2501-100F: 0.01%Vol
Response Time	T90<20s
Output	UART_TTL (3V)
Working Condition	-25~55℃, 0~98%RH (non-condensing)
Storage Condition	-40~85℃, 0~98%RH (non-condensing)
Power Supply	3.2~5.5V DC
Working Current	<30mA (@25℃, 3.3V DC)
Dimension	Dia35mm*H57.5mm