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Oxygen Sensors, Ventilators and Coronavirus
For engineers attempting to build a low-cost oxygen ventilator, here's what you should know first.
- Etiquetas: Medical, Oxygen (O2)
CO2Meter Inc. obtains ISO 9001:2015 Certification
CO2Meter recently obtained the ISO 9001:2015 certification of its quality management system to help ensure continued commitment in improving their products, services, and internal processes.
- Etiquetas: Corporate
Using RS485 Protocol with Gas Sensors
The RS485 protocol is used for long-distance communication or to connect different sensors from different manufacturers.
- Etiquetas: Sensor
Wireless Gas Sensor Using Bluetooth
How to connect a gas sensor via Bluetooth wireless for experiments, scientific or industrial applications.
- Etiquetas: Sensor
Altitude Compensation for CO2 Sensors
Altitude makes a difference when you are measuring CO2 levels. CO2 sensor modules are calibrated at sea level, and are not designed to automatically compensate for higher altitudes. CO2 sensors need either a manual offset using a barometer or lookup table for altitude compensation, or a built-in barometric pressure sensor to automatically compensate for the change. Altitude Compensation: Identifying the Problem A customer called recently and said we had sold him a defective CO2 sensor module. He had calibrated it precisely at 0.0ppm (zero parts-per-million), took it outside, and the sensor read 335ppm. “Where do you live?” we asked. “Colorado,” he...
- Etiquetas: Sensor
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