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Technical parameters
the heating voltage: 5 + 0.2V (AC . DC)
Working current: <100mA
the circuit voltage: < DC5V
the load resistance: 70 Ohm +7
the detection concentration range :350-10000ppm
the induced emf pressure: 350PPM corresponds to 220-490mV
Sensitivity: 50MV
response time: < 90S (preheat 3-5 minutes)
response time: < 30S
the component power consumption: < 0.5W
Working temperature: -10 ~ 50 ℃ (nominal temperature 20 ℃)
Humidity :5-95% RH (nominal humidity 60% RH)
2-3 years life
size: 35mm x 21mm x 15mm
weight Size: 6g

Product Features
One, size: 32mm X22mm X30mm L * W * H
Second, the main chip: op amp, CO2 sensor probe
Third, the working voltage: DC 5V
Four characteristics:
with the analog signal and the output signal at the same level;
the analog signal output range 0-2V, the analog signal can be directly connected to the AD acquisition;
the digital level signal output valid signal is low, led lights, can be directly connected microcontroller IO port;
carbon dioxide has a high sensitivity and good selectivity;
with a long service life and reliable stability;
rapid response and recovery features, easy installation.
V. Application:

For the home environment, underground warehouses, tunnels carbon dioxide detector, suitable for carbon dioxide control equipment, etc., carbon dioxide gas sensors tested concentration range: 350 to 10000ppm
Package include:
1x CO2 sensor module

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