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CO2-Pro Atmosphere™

PSI Co2 AtmThe CO2-Pro Atmosphere is an optional features for the CO2-Pro that provides measurements of pCO2 in water and in the Atmosphere using the same detector, which means that any calibration offset is eliminated in the calculation of ΔpCO2. The CO2-Pro has a patented, revolutionary new interface that provides an equilibrated gas sample to the detector. Note that a source of water flow is required at 3 to 10 litres per minute (optional Sea-Bird 5-T pump available from Pro-Oceanus Systems Inc. or from Sea-Bird Electronics, Inc.).

The CO2-Pro is factory calibrated from 0-600 ppm CO2 with calibration burned into EPROM (other calibration ranges are available by special order). To maintain accuracy, the detector module is equipped to perform an automatic zero point calibration (AZPC). When the AZPC is initiated, the gas stream is routed through a CO2 absorbent to provide a zero ppm CO2 measurement. The CO2 zero measurement compensates for changes in optical cell performance and is used in determinations of ppm CO2 until a new AZPC is performed.

PSI CO2-ProTM Features:
High precision and accuracy
RS-232 data interface
Low power requirements
Light weight and compact size
Unique antifouling protection
Raw data and ppm CO2 included in data stream
Low cost

Comes equipped with the PSI patented tubular pumped fast interface.

 

Specifications

Download the CO2-Pro™ Atmosphere™ Product Brochure HERE

Physical Specifications
Length: 33 cm (43 cm with connectors)
Diameter: 17.3 cm
Weight (air): 19.8 lbs. (9 kg)
Weight (water): 0.88 lbs. (0.4 kg)

Housing:
Hard anodized aluminum
Proof to 1000 meters (Contact PSI for details)

Electrical Characteristics
Input voltage:
12 ± 0.5 Volts DC through 4-pin impulse male connector
With power-saving option: 9.5-18 Volt DC
Power consumption (not including pump power):
During warm-up: 0.8 A at 12 volts
During operation: 0.4 A
Lower power consumption options available
Data storage:
With Data Logger: 2 mega-bytes EPROM
Data output:
RS-232 serial output
Sample Rate:
0.6 hertz without controller; 0.3 hertz in continuous mode with controller
Equilibration time constant:
Approximately 3 minutes (depending on pump flow rate)

Performance
Accuracy
CO2 concentration ±~ 1 ppm
Gas stream humidity ± 1 mb
Gas stream pressure ± 2 mb
Precision
CO2 concentration 0.01 ppm
Gas stream humidity 1 mb
Gas stream pressure 1 mb
Calibration range 0-600 ppm (other ranges available by special order)
Temperature range 0-35°C