Ac current sensor & over-current protector (6 pages)
Summary of Contents for Infinite L-com SRAQ-G107
Page 1
SMOKE AND FLAMMABLE GAS SENSOR MODULE User Guide for SRAQ-G107 Product Description The SRAQ-G107 smoke and flammable gas sensor detects the presence and concentration of smoke and other flammable gases such as liquefied petroleum gas, propane, butane and hydrogen. Integrated circuitry produces a non-linear voltage signal corresponding to the smoke and gas concentrations.
Page 2
Technical Parameters Working Voltage 24 VDC ± 0.25 V Working Current <150 mA Gas Detection Flammable gas, smoke 100 1000 ppm (vary from different gas) Detection Concentration Preheating Time > 30 mins Response Time >1 sec Recovery Time ≤30 sec Aout (Analog signal) 0 ...
Page 3
Mounting Diagram Mount the PCBA to the enclosure with screws. Hole diameter 3mm, pitch distances as per the diagrams given below. Typical Sensitivity Curve The calculation of the resistance ratio according to the output voltage is as follows: The sensor is energized in relatively clean air for more than half an hour and after measure the output voltage value of Aout. VCC is the power supply voltage, 5 VDC RL is the load resistance VRL = Aout = Vair value...
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