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Young JR Instructions Manual

Wind monitor - 4-20ma outputs
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METEOROLOGICAL INSTRUMENTS
INSTRUCTIONS
WIND MONITOR - JR
4-20mA OUTPUTS
MODEL 04101LM-24A
R.M. YOUNG COMPANY
2801 AERO PARK DRIVE, TRAVERSE CITY, MICHIGAN 49686, USA
TEL: (231) 946-3980
FAX: (231) 946-4772
WEB: www.youngusa.com
PN: 04101LM-24A-90
REV: E072722

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  • Page 1 METEOROLOGICAL INSTRUMENTS INSTRUCTIONS WIND MONITOR - JR 4-20mA OUTPUTS MODEL 04101LM-24A R.M. YOUNG COMPANY 2801 AERO PARK DRIVE, TRAVERSE CITY, MICHIGAN 49686, USA TEL: (231) 946-3980 FAX: (231) 946-4772 WEB: www.youngusa.com PN: 04101LM-24A-90 REV: E072722...

  • Page 2: Initial Check-Out

    INTRODUCTION MODEL 04101LM-24A The Wind Monitor measures horizontal wind speed and direction. It WIND MONITOR - JR is rugged and corrosion resistant, yet accurate and lightweight. The housing, nose cone, propeller, and other components are injection molded U.V. stabilized plastic. Both the propeller and vertical shafts use stainless steel precision grade ball bearings.
  • Page 3 Details on checking bearing torque, which affects wind speed and direction threshold, appear in the following section. CALIBRATION FORMULAS Model 04101LM-24A Wind Monitor - JR WIND SPEED vs PROPELLER RPM 0.00490 x rpm WIND SPEED vs mA OUTPUT (3.1250 x mA)-12.5...

  • Page 4: Maintenance

    MAINTENANCE 5. RECONNECT TRANSDUCER WIRES a) Reinsert potentiometer terminals into connector housing Given proper care, the Wind Monitor should provide years of following color code shown on wiring diagram. service. The only components likely to need replacement due b) Using needle-nose pliers or a paper clip bent to form a small to normal wear are the precision ball bearings and the wind hook, gently pull transducer wires through hole in junction direction potentiometer.

  • Page 5: Emc Compliance

    12 months from date of initial purchase. Liability is limited to repair or replacement of defective item. A copy of the warranty policy may be obtained from R. M. Young Company. CE COMPLIANCE This product has been tested and complies with European CE requirements for the EMC Directive.

  • Page 6: Cable & Wiring Diagram

    CABLE & WIRING DIAGRAM MODEL 04101LM-24A WIND MONITOR - JR 04101LM-24A-90(E) Page 5...
  • Page 7 BEARING REPLACEMENT & POTENTIOMETER ADJUSTMENT 04101LM-24A-90(E) Page 6...
  • Page 8            18500 FERRITE CHOKE (2)    04101LM-24A-90(E) R. M. YOUNG COMPANY 2801 Aero-Park Drive , Traverse City, Michigan 49686 U.S.A. TEL (231) 946-3980 FAX (231) 946-4772 Page 7...

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04101lm-24a

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