Autometer pyrometer gauge info
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Senior User
Joined: Oct 2004
Posts: 132
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From: New York
Autometer pyrometer gauge info
I installed a autometer phantom pyrometer gauge last week...When i shut the ignition off the needle never zero'd out...I contacted autometer...
this is what they said...........I thought i had a defective gauge....
A pyrometer will only go to 0 if it is zero degrees outside. It also
does not matter where the pointer lands when shut off. It is an "air
core" meter. Not a spring loaded meter. When you turn the power on and
the truck has cooled overnight, you should see the gauge go to at or
near ambient air temp.
Just a bit of info
this is what they said...........I thought i had a defective gauge....
A pyrometer will only go to 0 if it is zero degrees outside. It also
does not matter where the pointer lands when shut off. It is an "air
core" meter. Not a spring loaded meter. When you turn the power on and
the truck has cooled overnight, you should see the gauge go to at or
near ambient air temp.
Just a bit of info
Elder User
Joined: May 2005
Posts: 968
Likes: 0
From: Tennesee
Sting454,
The Auto Meter pyro movements are powered by 12 volts, you are supposed to connect the power line to a keyed source from the truck. When you key off the power dies and the gauges goes in limbo, they will land anywhere from 0-400 degres. I have seen them land in lots of different locations. So long as when you key on and it operates as normal you're OK. Most other pyros are fully mechanical and will read whatever the probe sees at all times. Dont' worry you're OK!
Mark @ DPPI
The Auto Meter pyro movements are powered by 12 volts, you are supposed to connect the power line to a keyed source from the truck. When you key off the power dies and the gauges goes in limbo, they will land anywhere from 0-400 degres. I have seen them land in lots of different locations. So long as when you key on and it operates as normal you're OK. Most other pyros are fully mechanical and will read whatever the probe sees at all times. Dont' worry you're OK!
Mark @ DPPI
Elder User
Joined: May 2005
Posts: 968
Likes: 0
From: Tennesee
Antacus,
Other than easier to install (less wiring) no, the accuracy of both is very good. If you want the best go with a Stepper motor gauge liek the Auto Meter C2, Cobalt, Lunar or NV series, they will get you the best accuracy and some pretty fancy lighting too!
Mark @ DPPI
Other than easier to install (less wiring) no, the accuracy of both is very good. If you want the best go with a Stepper motor gauge liek the Auto Meter C2, Cobalt, Lunar or NV series, they will get you the best accuracy and some pretty fancy lighting too!
Mark @ DPPI
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Senior User
Joined: Oct 2004
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From: New York
this morning it was 46 degrees outside...I looked at my pyro gauge and it read 180 degrees....I can see 50 degrees but not 180...While lightly tapping the gauge it dropped down to 100....
Last edited by sting454; Oct 5, 2005 at 04:24 PM.
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Elder User
Joined: May 2005
Posts: 968
Likes: 0
From: Tennesee
sting454,
PLEASE read my post, the Auto Meter pyros are 12VOLT powered!!!! NO 12 volt power no accurate reading, what did it do when you turned on the 12 volt power??? Notice your factory gauges don't always start at 0 either.
Mark @ DPPI
PLEASE read my post, the Auto Meter pyros are 12VOLT powered!!!! NO 12 volt power no accurate reading, what did it do when you turned on the 12 volt power??? Notice your factory gauges don't always start at 0 either.
Mark @ DPPI
