OCIEngine PRO acetone
Miniaturized infrared spectroscopy sensors dedicated to acetone gas measurement.
What is it?
OCIEngine is an infrared spectrometer that measures Volatile Organic Compounds (VOC) in the air. It is specific to analyse a molecule of interest, such as acetone.
The measuring chamber of the sensor is crossed by infrared radiation. When the air is introduced into this chamber, the molecules of interest absorb a part of the radiation, which reduces the intensity of the optical signal. The concentration of the gas can therefore be deduced according to the Beer-Lambert’s physical law.
NDIR Acetone Sensor
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Technical specifications
ACETONE DETECTION – MODEL NUMBER CO000027
| Unit of measurement | ppm |
| Measurement range | From 0 to 2000 ppm |
| Repeatability (3σ) | 0.5% Full Scale+ 1% reading |
| Linearity error | 1% reading |
| Long term drift (span) | 1% reading |
| Pressure effect | 0.05% reading /mbar |
| Temperature effect | 0.1% reading / K |
| Detection limit (3σ) | 0.5% full scale |
| Cross sensitivity | Consult manufacturer |
SAMPLING CHARACTERISTICS
| Sampling period | 125ms |
| Response time | 1s (τ=63%), at a flow rate of 1 L/min |
| Pressure range | Minimal relative pressure at measuring cell inlet port: 0.3 millibars Maximal relative pressure at measuring cell inlet port: 10 millibars |
| Flow rate range | From 0,1 to 1,5 L/min |
ELECTRICAL CHARACTERISTICS
| Supply voltage | 3,7 VDC min – 5,5 VDC max |
| Input current | 1,5 A max |
| Communication interface | RS232 protocol x3 Pico-SPOX MOLEX connector (2, 3 and 5 contacts) |
ENVIRONMENTAL CONDITIONS
| Operating conditions – Temperature | From 0°C to 50°C |
| Operating conditions – Humidity | < 100% relative humidity (RH), not condensing |
| Storage conditions – Temperature | -10°C to +70°C |
| Typical starting time at 23°C | 5 minutes (30 minutes at full spec) |
Discover our evaluation kit to help you pre-integrate and test the sensor in your systems
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PACKAGE INFORMATION
| Dimensions | 125 x 30 x 22 mm |
| Weight | 20g |
| Fixing parts | 2 tapped holes for M3 fixing |
Sensor architecture
Mechanical drawings
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OCIEngine PRO Acetone
This sensor is an infrared spectrometer that measures acetone in exhaled air.
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