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Old 08-31-2017, 10:24 PM
marxjunk marxjunk is offline
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Default whats this thing

whats this thing in the pic the tach is hooked up too? whats it called? i want to find one....
i know itrs some kind of tester...anyone ever see one? WHO MAKES? IS IT COMMERCIAL OR A HOME MADE THING?
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  #2  
Old 08-31-2017, 10:32 PM
cook_dw cook_dw is offline
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Looks to be a 120Vac to 12 or 7Vdc power supply. If you go by the dial.

Last edited by cook_dw; 08-31-2017 at 10:35 PM.
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Old 08-31-2017, 10:36 PM
marxjunk marxjunk is offline
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notice the "0" on the knob is on 5 and the tach is at 5k

theres another pic with the tach at zero...so its powering the tach some way...
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Old 08-31-2017, 11:24 PM
L16pilot L16pilot is offline
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Frequency generator/signal generator? Unless it is custom calibrated for cycles per minute, 5,000 rpm would be 83.3 Hz...correct?
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Old 08-31-2017, 11:27 PM
cook_dw cook_dw is offline
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It's still a power supply. Just a label over the dc voltage range for the tach readout in rpm.
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Old 09-01-2017, 12:41 AM
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John Brown John Brown is offline
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Build your own 6000 rpm signal generator.... or have some nerd build it for you.
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Old 09-01-2017, 01:28 AM
L78steve L78steve is offline
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Pulse generator. Same as a distributor mounted on a Sun Dist. machine
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Old 09-01-2017, 11:37 AM
cook_dw cook_dw is offline
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You guys are correct. I was not thinking frequency only on a voltage stand point.
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