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Product Name: Partial Pressure of CO2 Analyzer
上市Date:2019-05-28

model AS-P2 



Specifications

1. Time consumption: ~2 minutes per analysis

2. Precision: better than 0.5 ppm for pCO2

3. PC system: Windows

4. Work environment: indoor, outdoor, or shipboard

5. Power requirement: 100 – 240 VAC

6. Size: 27” H × 17” D × 32” W

7. Dual filter set (not showed in picture)

8. GPS for both local and ship connection

 

Description

The Apollo SciTech’s pCO2 system, model AS-P2, has been developed and tested for underway measurements (i.e., real-time while the vessel is sailing or continuous on a fixed platform) of the partial pressure of CO2 (pCO2), CH4 (under development), dissolved oxygen (DO), surface water salinity, temperature, and atmospheric CO2. The system also logs continuous GPS location (latitude and longitude). Water sample is forced into the shower-head equilibrator by a shipboard pump (normally from the ship’s seawater intake line that also flows through a thermosalinograph). Equilibrated air is drawn from the equilibrator and dried with an electronic cooling system. The shower-head equilibrator is effective with a response time of about 2 minutes for CO2. Further, the equilibrator is completely sealed from any outside air. The analyzer has been tested for CO2 in various environments.

The system has been automated for the following procedures: using a set time interval (adjustable) it measures 1) the calibration of standard gases, 2) atmospheric pCO2 and CH4, and 3) surface water pCO2, CH4, isotopes, DO, S, T, and GPS location. Overall precision for pCO2 and CH4 and isotopes are the same as the Li Cor and Picarro analyzers, and that for DO is about 1% according to the respective manufacturer specifications. The system is fully tested for pCO2 but further test for CH4 is needed.

 

Manufacturer: Apollo, USA


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