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Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 0
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 1
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 2
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 3
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 4
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 5
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 6
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 0
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 1
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 2
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 3
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 4
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 5
Heathkit LR-18M Chart Data Recorder with 7 rolls of paper, US $1200 – Picture 6

Heathkit Lr-18m Chart Data Recorder With 7 Rolls Of Paper

US $1200

  • Harrisonburg, Virginia, United States
  • Jan 29th
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This item is used and in working condition.  On the picture you can see the pen tracing as I touched leads to a AAA cell; a spring holds whichever pen you would like to put in.  It uses a servo drive to move the pen, sensitivity is listed as 10mv full scale (I used a dropping resistor for the test).Paper speed is selectable at 5/10/20 seconds/inch, or minutes per inch, with a X10 mulitplier.  Paper is driven with two pin wheels; included are 7 rolls of this chart paper (a long strip of graph paper with perforations on either side). The top surface which is under the paper has some ink staining. Two concentric knobs for setting zero position; recorder responds to DC +/-. Look on YouTube for a video this model operating. I was going to build a seismometer with this but never got around to it... Would be neat to hook up to your home weather station, or for monitoring household voltage, or.... if you are reading this you have some good ideas. 15" wide, 10 " deep, 6" high.

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