Looking for Counter/Tachometer Combo Unit

brianafischer · Aug 30, 2006

Hello,

I am looking for a counter and tachometer combination unit. The unit should meet the following specs:

1/600 Hz min frequency (1 cycle every 10 minute)
1 stage preset counter

I called a few distributors, but am coming up dry. Any suggestions?

MikeW · Aug 30, 2006

Do you have an exposed shaft where you can read a target that either exists or you can add?

Or does it need to be strictly something based on vibration or the like?

rsdoran · Aug 30, 2006

Check Red Lion http://www.redlion.net/

danw · Aug 30, 2006

Looks like Precision Digital's 693 rate/totalizer has a slow speed range: (693 does pulse input)

GATE FUNCTION: PD693

Slow Pulse rate

Low Gate High Gate Min Pulse Rate(p/s) Min Freq(Hz)

1 3.1 1/3 0.33

1 10.1 1/10 0.01

1 30.1 1/30 0.0333

1 60.1 1/60 0.0167

1 90.1 1/90 0.0111

1 99.1 1/99 0.0101

from table on page 5 their data shwwt LDS692

Dan

brianafischer · Aug 30, 2006

MikeW said:
Do you have an exposed shaft where you can read a target that either exists or you can add?

Or does it need to be strictly something based on vibration or the like?

I have a limit switch that closes a contact every "x" seconds. I just want to display an accumulated count and the frequency the switch is turning on and off. When the accumulated count equals a set value, a relay output should turn on until a reset button/input is pressed.

danw · Aug 30, 2006

Whoops, I forgot, PD has an oddball web URL: predig.com

Try the PD693 datasheet or manual here, if you're interested.
http://www.predig.com/products.asp

Dan

Looking for Counter/Tachometer Combo Unit

brianafischer

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MikeW

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rsdoran

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danw

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brianafischer

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danw

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