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CxHx-LD SeriesC-H 3.3V Sensor Module
CxHx-LD
CxHx-LD series are the world’s smallest Methane/Ethylene/Propane/Butane sensor modules which can detect low concentration up to LEL 10% of gases. Its consistent Stability through the life cycle, and Temperature change Effect Compensation are incomparably favored by industrial field experts carrying various flammable, explosive, and hazard gases.
CH4-LD DATASHEET C2H4-LD DATASHEET C3H8-LD DATASHEET C4H10-LD DATASHEET CH4-LD-3V DATASHEET C2H4-LD-3V DATASHEET C3H8-LD-3V DATASHEET C4H10-LD-3V DATASHEET


CH4/C2H4/C3H8/C4H10-LD CH4/C2H4/C3H8/C4H10-LD-3V
Sensing Method NDIR (Non-dispersive Infrared) / Dual Channel type
Dimensions 40mm×38mm×18.5mm (17g)
Measurement range 0~10% LEL is default.
( 0~100% LEL is optional.)
Accuracy ± 3% of F.S
Operating Temperature range -20℃ ~ 50℃
Storage Temperature -30℃ ~ 70℃
Operating Humidity range 0 to 95% RH (Non-condensing)
Input Power 5.0V ± 5% 3.3V ± 5%
Power consumption Normal : 23mA, Peak : 340mA Normal : 14mA / Max : 270mA
Response Time (90%. 1/e) 120 seconds (90%), 70 seconds (1/e)
Sampling Interval 3 sec
Output UART- 38,400BPS, 8bit, No parity, 1 stop bit TTL Level
I2C – Slave mode only
Analog Voltage (option) : 0.5~4.5V (5V model) or 0.5~3.0V (3.3V model)
Products Option List
CH4/C2H4/C3H8/C4H10-LD(-3V) Diffusion type
CH4/C2H4/C3H8/C4H10-LF(-3V) Flow through type
CH4/C2H4/C3H8/C4H10-LDG(-3V)
CH4/C2H4/C3H8/C4H10-LFG(-3V)		 Resistant up to 99% humidity

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