LPG/NG Sensor

Model number

GSLS61

GSLS61-L01(Module)

Sensing element type

Semiconductor

Target gas

Butane, methane

Electrical characteristics under standard Test conditions

RH

Heater resistance

16Ω±0.2Ω

PH : Less than 680 ㎽
Circuit voltage : 5V±2%

VH

Heater Voltage

5.0V±2%

RL

Road resistance

Variable

PH

Power consumption

Less than 65 0㎽

VC

Circuit Voltage

Less than 12.0V

Sensitivity Characteristic

β = Rs,gas/Rs,air

ΔV = Vout,air - Vout,gas

Rs,air Vout,air

Sensor resistance Out of Voltage

Rs,air = 196 ㏀to 789 ㏀

Vout,air = 1.0V±0.2

β

i-Butane
Methane

500ppm : 0.4±0.1
4,500ppm : 0.1±0.05
500ppm : 0.6±0.1
12,500ppm :0.25±0.05

At i-Butane : 4,500ppm
Methane : 12,500ppm
Vout,gas = 3.6V (Hi, variable)
Vout,air = 0V(Low)

ΔV

i-Butane
Methane

500ppm : 0.6 ~ 1.3volt
4,500ppm : 2.1 ~ 3.2volt
500ppm : 0.3 ~ 0.7volt
12,500ppm : 1.2 ~ 1.8volt

-

Vout,air = 1.0Volt (In the clean air)

Change ratio of

sensitivity α = β2/β1

α

i-Butane

• 0.2 ~ 0.4
• β1 = Sensitivity at 500ppm
• β2 = Sensitivity at 4,500ppm

Methane

• 0.3 ~ 0.5
• β1 = Sensitivity at 500ppm
• β2 = Sensitivity at 12,500ppm

Response time

Reaction : less than 10sec Recovery : less than 20sec

Environmental
condition

?Standard test condition (balance gas : clean air, or special air)
?Temp. : 20°C±5°C, ?Humidity : RH65%±10%, ?Pressure : 1atm
?Test chamber : more than 1ℓ/EA, ?Pre-heating time : more than 1hr

Rank

Resistance

Rank

Resistance

Rank

Resistance

02A

196 ~ 241 　

02D

349 ~ 413 　

02G

572 ~ 672 　

02B

241 ~ 292 　

02E

413 ~ 487 　

02H

672 ~ 789 　

02C

292 ~ 349 　

02F

487 ~ 572