Ultra Low Power Methane Sensor
SJH-5BUL

Name: Ultra Low Power Methane Sensor
Brand: Cubic Sensor and Instrument Co.,Ltd.

SJH-5BUL is developed based on advanced dual-beam NDIR technology and Cubic Sensor mature industrial 4-series sensor platform. Leveraging from ultra low power LED light source and robust design, SJH-5BUL could not only achieve average working current of <1mA, but also suit industrial applications that require for battery-powered portable or transportable detector, outdoor solar-powered IoT device and other low-power based wireless monitors.

Overview

Specifications

Overview of Ultra Low Power Methane Sensor SJH-5BUL

SJH-5BUL methane sensor is an ultra low power gas sensor based on Non-Dispersive Infra-Red (NDIR) technology.

Adopting ultra low power LED emitter, Cubic mature technology platform and standard industrial 4-series design, SJH-5BUL sensor has features of ultra low power consumption, super fast response time, supiror signal stability, high precision, and long lifetime, etc.

SJH-5BUL could measure CH4 up to 100%LEL, are designed for hazardous areas. Suitable applications include Oil & Gas industry, LNG transportation, gas leak detection, underground utility vaults, sewers, industrial plants, etc.

Features

Dual-beam NDIR technology
Average working current less than 1mA
Superior fast T90 time<15s
Linearization and factory calibration for accurate digital output
Matrix calibration to ensure high accuracy over full-temperature
Embedded temperature and humidity compensation
Long lifespan over 10 years
Ex-proof grade Ex ia II C T4 Ga

Principle	NDIR
Measurement Gas	CH4
Model	SJH-5BUL
Measurement Range	0-100%LEL (0~5%Vol)
Accuracy	0~2.50%vol (0~50% LEL): ±0.15%vol (±3% LEL) 2.50%vol~5.00%vol (50%~100% LEL): ±0.25%vol (±5% LEL)
Resolution	0.01%Vol
Response Time	T90<15s
Output	UART_TTL (3V)
Working Condition	-40 ~ 70℃, 0~98%RH (non-condensing)
Storage Condition	-40 ~ 70℃, 0~98%RH (non-condensing)
Power Supply	3.3～5.5V DC
Working Current	0.8mA (@25℃, 3.3V DC)
Dimension	Dia20mm*H16.6mm