Inaccurate psi readings from Wisdom I

rpmc · Jan 19, 2008

I own a Wisdom I (serial 3443) that is set up with the Wisdom quick disconnect. This computer has always read lower pressure than actual tank pressure. For example, if actual tank pressure is 195 bars, my Wisdom displays 170, about a 13% difference. When my Wisdom displays 50 bar, actual tank pressure is about 57 bar. This is inconvenient and very frustrating when I dive with a group and we all surface when the first person reaches 50 bar in fact, I have more air than that and the group or buddy feels a little cheated for surfacing early. These pressure differences are constant, and have been verified many times with gauge vs my Wisdom DC comparison.

Any way to adjust my Wisdom?

Sherwood SCUBA rep. · Jan 21, 2008

Unfortunately, there is no way to adjust the pressure transducer in your computer. If you think there is a problem with the computer I would reccomend that you take the computer back to your Authorized Retailer.

Sherwood Scuba

rpmc:
I own a Wisdom I (serial 3443) that is set up with the Wisdom quick disconnect. This computer has always read lower pressure than actual tank pressure. For example, if actual tank pressure is 195 bars, my Wisdom displays 170, about a 13% difference. When my Wisdom displays 50 bar, actual tank pressure is about 57 bar. This is inconvenient and very frustrating when I dive with a group and we all surface when the first person reaches 50 bar in fact, I have more air than that and the group or buddy feels a little cheated for surfacing early. These pressure differences are constant, and have been verified many times with gauge vs my Wisdom DC comparison.

Any way to adjust my Wisdom?

Inaccurate psi readings from Wisdom I

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