Products
The LS4 series laser methane sensor is a high-precision, miniaturized gas sensor designed based on Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology. It features small size, low power consumption, stable performance, long service life of sensor components and high sensitivity.
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Features:
? Good stability, no calibration required;
? Unique selectivity to methane, not interfered by other gases, water vapor or dust;
? Fast response speed, wide measurement range and high measurement accuracy;
? Shockproof, waterproof and dustproof performance;
? TTL serial port and analog signal dual output;
Specification：
|
project |
parameter |
|
Object gas |
Methane |
|
Sampling Method |
Diffusion |
|
Test Principle |
TDLAS |
|
Response time |
≤20S |
|
Range |
0-1%VOL（10000ppm） / 0-5%VOL / 0-100%VOL |
|
Accuracy |
0-1% ±0 . 03%VOL |
|
|
1%-100% ±5% of true value (VOL) |
|
Display resolution |
0. 01%VOL |
|
Expected life |
> 5 years |
|
Working voltage |
3V-5 . 5V |
|
Average operating current |
<100mA |
|
Communication mode |
TTL serial port data and dual 0.4V-2V analog signal outputs |
|
Outer shell material |
304 stainless steel |
|
Mechanical dimensions |
Φ20mm*16.6mm (diameter* height) |
|
Levels of protection |
IP65 |
Size and Pin Definition
Standard 4 Series:
|
Pin symbol |
Description |
|
V+ |
Power input Voltage range: 3.0V-5.5V DC |
|
Gnd |
Power input (ground) |
|
Tx |
Serial port, circuit board serial port transmitter |
|
Rx |
Serial port, circuit board serial port receiver |
|
DA |
Analog Voltage Output Terminal 0V Sensor Fault 0.2V sensor preheat status 0. 4-2V corresponds to 0-100% FS, 2.2V indicates over-range. |
TEL：18995278133ADD：Block A, Yinchuan Zhongguancun Innovation Center, Xingzhou Street, Xixia District, Yinchuan, Ningxia
Copyright?2025 Ningxia Maiya Sensor Technology Development Co., Ltd
寧ICP備2022001619號-1