Ludlum Measurements 239-1F Manual

Ludlum Measurements 239-1F Manual

Floor monitor

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LUDLUM MODEL 239-1F
FLOOR MONITOR
Revised December 2010
LUDLUM MEASUREMENTS, INC.
501 OAK ST., P.O. BOX 810
SWEETWATER, TX 79556
325/235-5494 FAX: 325/235-4672

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Summary of Contents for Ludlum Measurements 239-1F

  • Page 1 LUDLUM MODEL 239-1F FLOOR MONITOR Revised December 2010 LUDLUM MEASUREMENTS, INC. 501 OAK ST., P.O. BOX 810 SWEETWATER, TX 79556 325/235-5494 FAX: 325/235-4672...
  • Page 2 RETURN OF GOODS TO MANUFACTURER If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to the address below. All shipments should include documentation containing return shipping address, customer name, telephone number, description of service requested, and all other necessary information.
  • Page 3: Table Of Contents

    Model 239-1F Floor Monitor December 2010 TABLE OF CONTENTS GENERAL ..........................1 SPECIFICATIONS ......................... 1 GAS BOTTLE INSTALLATION ..................2 OPERATING PROCEDURES ....................2 MAINTENANCE ........................3 REPLACEMENT PARTS LIST .................... 4...
  • Page 4 Model 239-1F Floor Monitor December 2010 Model 239-1F Floor Monitor shown with Ludlum Model 2221...
  • Page 5: General

    Model 239-1F Floor Monitor December 2010 1. GENERAL The Model 239-1F Floor Monitor is a gas The survey instrument should be capable proportional floor monitor detector mounted on of supplying up to 2500 volts to the detector. a roll-around cart. The instrument features a...
  • Page 6: Gas Bottle Installation

    Model 239-1F Floor Monitor December 2010 3. GAS BOTTLE INSTALLATION 1. The instrument typically comes with a regulator, a valve, a brass fitting, two white plastic compression nuts, and some vinyl tubing. The valve is in the box with the regulator, the other parts may be in a separate bag.
  • Page 7: Maintenance

    Model 239-1F Floor Monitor December 2010 5. MAINTENANCE Periodic maintenance consists of checking Indication of a broken wire is low or the general condition of the detector, gas erratic HV reading. Foreign particles, wire tubing/fittings, signal/HV cable, and the tails on the standoff posts, or solder peaks can window.
  • Page 8: Replacement Parts List

    Model 239-1F Floor Monitor December 2010 6. REPLACEMENT PARTS LIST QTY. DESCRIPTION PART NO. MODEL 239-1F FLOOR MONITOR CART 48-1427 1 EA 2 Stage-Regulator 8L-350 310017 1 EA Tie Down Assembly 2310124 1 EA M 239-1F Welded Cart Assy. 4404-027...

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