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Infinite L-com SRAQ-G211 User Manual

Hydrogen h2 sensor with adjustable sensitivity

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HYDROGEN H
2
User Guide for SRAQ-G211
Product Description
The SRAQ-G211 gas sensor module detects the presence and concentration of Hydrogen (H
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. The SRAQ-G211 has both analog and level outputs with adjustable output sensitivity.
Features
High sensitivity to hydrogen H
24 VDC power supply
Adjustable sensitivity
Analog and TTL level outputs
Wall or DIN rail mountable
Applications
Leak detection
Boiler rooms
Battery storage and back-up power banks
Other areas where H
is a concern
2
Thank you for choosing L-com product. To ensure safe, accurate performance and product longevity, please take a moment to familiarize yourself
with this manual before powering the device. Please keep it handy for future reference. In case of any questions regarding the installation or use of
product, please call us at 800.341.5266.
Reach out to us at customerservice@l-com.com and visit our website at www.l-com.com
SENSOR WITH ADJUSTABLE SENSITIVITY
2
) gas. Integrated circuitry produces a voltage signal
2
1

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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).