[PSUBS-MAILIST] Altimeter / barometer/ inclinometer

[Alec Smyth via Personal_Submersibles]

I think this is equivalent to the altimaster, except in this one you rotate the bezel while with the Altimaster there is an adjustment knob that moves the needle. Something I should probably mention is that the Altimaster face plate for subs has its zero at the instrument’s mid-scale, since cabin pressure can go up or down. So “setting to zero” is really setting it to the middle of the scale rather than to what was zero altitude on the original faceplate.

Best,
Alec

> On Apr 22, 2020, at 1:32 AM, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hi Tim, thats what intrigued me about this unit. Not to mention it had the inclinometer also. The thing I have been thinking is how to set psi chart and to use the rotating dial to set the altitude.
> David
> 
> 
>> On Tue, Apr 21, 2020, 7:17 PM T Novak via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> David,
>> 
>> Do you plan to just zero the altimeter just prior to hatch closing? Makes sense.
>> 
>> Tim
>> 
>>  
>> 
>> From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of David Colombo via Personal_Submersibles
>> Sent: Tuesday, April 21, 2020 4:04 PM
>> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>> Subject: [PSUBS-MAILIST] Altimeter / barometer/ inclinometer
>> 
>>  
>> 
>> Hi guys, just got my altimeter for the SeaQuestor, which has a built in inclinometer. The dial face can rotate for altitude variance for diving at sea level or lake tahoe(elev 6225ft). The dial face can be set to determine if the barometric pressure is rising or falling. I am thinking to add Alex Smyth's label to be located between the altitude  and the orange  dial. Any thoughts about this? 
>> 
>> David.
>> 
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