Ac current sensor & over-current protector (7 pages)
Summary of Contents for Infinite L-com SRAQ-G211
Page 1
HYDROGEN H SENSOR WITH ADJUSTABLE SENSITIVITY User Guide for SRAQ-G211 Product Description The SRAQ-G211 gas sensor module detects the presence and concentration of Hydrogen (H ) gas. Integrated circuitry produces a voltage signal corresponding to the gas concentration. Having high sensitivity to this flammable gas, the sensor module can detect hydrogen gas concentrations ranging from 50 to 10000 ppm.
Page 2
Technical Parameters 100 1000 PPM Detection Range Measured Gas Hydrogen Working Voltage 24 VDC ± 0.2 V Working Current ≈150 mA Output Method 0 10 V (Non-linear) Response Time ≤1 sec Recovery Time ≤30 sec Working Temperature -20~50 °C Working Humidity <95% RH (Non condensing) Preheat Time...
Page 3
Electrical Diagram 24V and GND are the power interface, D1 is the power indicator. Aout is the analog output interface, VR2 is the signal trimmer potentiometer. VR1 is the magnification (the output of 0-5V and 0-10V can be adjusted freely through this potentiometer). The load resistance of the sensor composed of R7 and RP2 potentiometer is in parallel relationship (can be changed by user).
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