[PSUBS-MAILIST] Backup CO2 Meter

[Jon Wallace via Personal_Submersibles]

 Are you looking for a sensor that you can interface to a microprocessor, or an all-in-one monitor that contains both the sensor and display?
    On Wednesday, July 15, 2020, 12:20:09 PM EDT, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hi All,
Im going to get another CO2 monitor, as a backup.  I have decent, properly calibrated one, so i dont want to break the bank with this one.
Anyone got any ideas for a reasonably priced backup? It needs to go up to at least 1% really.
What are other people using?Thanksjames

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