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SGAS711

产品描述FLAMMABLE GAS LEAK SENSOR
产品类别传感器   
文件大小759KB,共15页
制造商IDT(艾迪悌)
官网地址http://www.idt.com/
标准
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SGAS711概述

FLAMMABLE GAS LEAK SENSOR

SGAS711规格参数

参数名称属性值
类型易燃气体
输出电压
工作温度-20°C ~ 50°C
电压 - 电源2.5 V ~ 5 V

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Flammable Gas Sensor
Description
The IDT SGAS711 is a solid-state chemiresistor sensor designed
to detect flammable gases in air. The SGAS711 sensor uses an
integrated heater with highly sensitive MOx material tailored for
detection of flammable gases, such as methane, propane,
hydrogen, liquefied petroleum gas (LPG), and more. In addition to
detecting flammable gases, the sensor is also sensitive to other
hydrocarbons, such as pentane and R410a, and it can be used for
leak detection.
The chemiresistor sensors in the IDT SGAS family are based on
the principle that metal-oxide materials undergo surface inter-
actions (physisorption and chemisorption) with gas molecules at
elevated temperatures, resulting in a measurable change in
electrical resistance. As metal-oxide materials are polycrystalline
(i.e., composed of multiple grains with distinct grain boundaries),
the adsorbed gases have significant electronic effects on the
individual grains. These gas-solid interactions result in a change in
electron (or hole) density at the surface (i.e., a space charge
forms), which in turn changes the electrical conductivity of the
oxide. IDT has developed a set of nanostructured gas-sensing
materials with excellent sensitivity and stability.
Figure 1. Product Photo
SGAS711
Datasheet
Features
High sensitivity to a wide range of flammable gases
Non-specific response; capable of being calibrated to detect
a wide range of flammable gases
Long lifetime (several years in typical applications)
Typical response time < 30 seconds to 90% of full scale
Environmental temperature range: -20°C to 50°C
Minimal response to environmental humidity over the range
of 0% to 95%, non-condensing
Rugged, reliable sensor based on IDT’s exclusive technology
TO-39 package
Typical Applications
Leak Detection
Gas Concentration Detection
Process Control
Examples of Target Gases
Hydrocarbons (HC)
Hydrogen
Liquid Petroleum Gas (LPG)
Methane
Natural Gas
Propane
Pentane
R410a
Available Support
Evaluation kit – SMOD711 Smart Sensing Module
Application notes
Instruction videos
Reference designs
© 2017 Integrated Device Technology, Inc.
1
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