Feature : Wide detecting scope Fast response and High sensitivity Simple drive circuit Stable and Long Life Detection Range: 10 - 300 ppm NH3, 10 - 1000 ppm Benzene, 10 - 300 Alcohol Heater Voltage: 5.0V
Air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory, simply drive and monitoring circuit....
Features : Good sensitivity to alcohol gas Long life and low cost Simple drive circuit
Sensitive material of MQ-3 gas sensor is SnO2, which has lower conductivity in clean air. When the target alcohol gas exist, The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electronic circuit, Convert change of conductivity...
Application : water quality surveillance,aquaculture
Specification : : Module Power: DC 9.00V 1A,Measuring Range : 0 - 14PH,Accuracy (+ or -) 0.1PH ( 24 C) Etc.
This is an Analog PH Meter kit with industrial real-time online electrode, specially designed for Arduino and other microcontrollers , it uses an industry electrode and has built in simple convenient, practical connection and long life up to 1 year,...
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