silverback
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| posted on 29/3/13 at 08:13 PM |
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Fitting an oil pressure gauge.
I have recently bought an oil pressure gauge and I am trying to wire it.
It is an all electric TIM oil pressure gauge.
It has 3 terminals with at each terminal the letters O C and G.
Does anyone know what these letters stand for in the electric terms so I can understand them.
I have been trying for hours to google these gauges and not 1 has these letters.
I have been intouch with the lad who I bought it from and he sold it on only because he didn't know them either.
Please help if you can.
Thanks
Mick
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Ben_Copeland
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| posted on 29/3/13 at 08:49 PM |
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Cant find much either.. but you could always try :
http://www.timtach.com/gauges.html
The manufacture will know.
The other way is to see what country they are made in, then google translate words like Ground, Positive, Signal etc and see if the words start with
those letters....
Ben
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silverback
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| posted on 29/3/13 at 08:56 PM |
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quote:
Originally posted by Ben_Copeland
Cant find much either.. but you could always try :
http://www.timtach.com/gauges.html
The manufacture will know.
The other way is to see what country they are made in, then google translate words like Ground, Positive, Signal etc and see if the words start with
those letters....
Thanks for this website I have sent a message but I will keep looking.
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theprisioner
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| posted on 29/3/13 at 09:23 PM |
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Most of these gauges are moving iron, very low cost and reliable. They have two coils connected to +ve via two resistors (I think if I remember
correctly). The sensor is placed in parallel with one of the coils thus unbalancing the bridge arrangement and changing the current through one of the
coils. The wisdom of these words can be evaluated with a simple ohm meter. If we assume the G = gnd then measure the resistance to the other two
terminals. If I am correct the resistance will be larger to the positive terminal than the sensor terminal. If you want to measure the terminals then
we can continue the debate and adapt my theory. The application of a digital ohm meter will damage nothing. Enjoy!
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silverback
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| posted on 29/3/13 at 09:27 PM |
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Thanks for that info. I will try it out next week after easter. If I had my way it would be tomorrow morning, but you know what the women folk are
like!
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theprisioner
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| posted on 29/3/13 at 09:33 PM |
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I have two daughters and a wife of course and even the cat is female, what chance do I have!!!
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silverback
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| posted on 29/3/13 at 09:42 PM |
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I have 2 daughters of course the Mrs a son who I am helping with his track car[ trying to follow in his dads footsteps ]
and 5 grand chidren.
And you think you have no chance. I'm on the crusifix bleeding
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silverback
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| posted on 30/3/13 at 07:17 PM |
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quote:
Originally posted by theprisioner
Most of these gauges are moving iron, very low cost and reliable. They have two coils connected to +ve via two resistors (I think if I remember
correctly). The sensor is placed in parallel with one of the coils thus unbalancing the bridge arrangement and changing the current through one of the
coils. The wisdom of these words can be evaluated with a simple ohm meter. If we assume the G = gnd then measure the resistance to the other two
terminals. If I am correct the resistance will be larger to the positive terminal than the sensor terminal. If you want to measure the terminals then
we can continue the debate and adapt my theory. The application of a digital ohm meter will damage nothing. Enjoy!
What a brilliant theory. Well the brother in law went up today and checked the gauge terminals for me.
Here we go. G is def Gnd O = Ohms C = Sensor.
Why can't people put - + and E it would save a lot of time.
Thanx
Mick
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