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Prostat PRF-930 User Manual
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Prostat PRF-930 User Manual

Powder resistance fixture
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POWDER RESISTANCE FIXTURE
PRF-930
User Manual

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Summary of Contents for Prostat PRF-930

  • Page 1 POWDER RESISTANCE FIXTURE PRF-930 User Manual...

  • Page 3: Table Of Contents

    General Specifi ca ons Copyright © 2011 by Prostat® Corpora on. All rights reserved. Printed in the United States of America. No part of this manual may be used or reproduced in any manner whatsoever without wri en permission. For informa on contact Prostat Corpora on, 1072 Tower Lane, Bensenville, IL 60106 USA Prostat is the registered trademark of Prostat®...

  • Page 5: Introduc On & Descrip On

    Figure 1: Prostat PRF-930 Powder Resistance Fixture ground reference. The PRF-930 Powder Fixture meets requirements of “Technical Recommenda ons of Na onal Ins tute of Occupa onal Safety and Health JNIOSH-TR-No. 42 (2007) Recommenda ons for Requirements for Avoiding Electrosta c Hazards in Industry 2007”...
  • Page 6 Figure 4: Measurement Plate – Outer Sur- face Connec ons Power Connec on Power Plate Power Plate Outer Surface Inner Surface Figure 5: PRF-930 Resistance Fixture Power Plate Rev. A / January 2010...

  • Page 7: Resistance Measurement Procedure

    . Depending on material characteris cs approximately 1.0 tablespoon will be required to completely fi ll the fi xture cavity. Place the mate- rial in the PRF-930 and compress it lightly. Material compression should be limited to the degree that represents the material’s use, transport or storage condi ons.
  • Page 8 Actual procedures and specifi ed condi ons may vary between test methods cited by standards bodies in diff erent countries. The PRF-930 was designed in accor- dance with the Recommended Prac ce for Protec on against Hazard arising out of Sta c Electric- ity in General Industrie, published by The Na onal Ins tute of Industrial Safety, Japan, Technical Recommenda on No.
  • Page 9 PRF-930 Advanced Powder Fixture For illustra ve purposes, the following procedure is based on resistance measurement protocol developed by the Electrosta c Discharge Associa on (ESDA) Standards Commi ee, which is based in Rome, New York, USA. Use other recommended measurement protocol when suitable and avail- able.
  • Page 10 (2) fi xture dimensions and, (3) material thickness. To convert resistance measure- ments in ohms obtained with the PRF-930 to volume resis vity (ρ) in ohm-cm, we use the follow- ing equa on to convert the resistance measurement to resis vity.
  • Page 11 PRF-930 Advanced Powder Fixture Sample Calcula ons While the correc on factor (CF) for each fi xture is ini ally determined by Prostat before shipment, tem- perature, humidity, handling and use may slightly modify fi xture dimensions. Assuming your fi xture is typi- cal of the one pictured here, you can confi...

  • Page 12: Disassembly & Cleaning

    4.52 x 10 IV. Disassembly & Cleaning A er use, the PRF-930 should be cleaned before storing. There are several reasons to clean the fi xture im- mediately a er use: • Prevent contamina on of future measurements by previous material residue •...
  • Page 13 PRF-930 Advanced Powder Fixture NOTE Dispose of materials in a safe and appropriate manner as recommended by the mate- rial’s supplier. Use cau on whenever applying compressed air for cleaning purposes. B. Disassembly The fi xture plates are mounted in the acrylic frame us- ing 8 fl...
  • Page 14 PRF-930 Advanced Powder Fixture Be sure to remove any visible par cles and wash the Tefl on separator twice with the IPA solu on, then dry with the pro- vided micro fi ber cloth. Allow the fi xture to air dry a er clean- ing for an addi onal 15 minutes before using the fi...
  • Page 15 PRF-930 Advanced Powder Fixture into the bo om of the frame and thread them into the measurement plate. Do not ghten the screws; simply install them to hold the plate into posi on. Install the ⅝ inch screws through the ver cal segment of the frame and thread into the meas-ure- ment plate.

  • Page 16: Warranty

    Limit of Liability – in no event will Prostat or any seller be responsible or liable for special, incidental, or consequen al losses or damages, under any legal theory including but not limited to con- tract, negligence, or strict liability.
  • Page 17 PRF-930 Advanced Powder Fixture PRF-930 Powder Resistance Fixture Specifi ca ons Basic Descrip on: Acrylic frame fi xture with opposing power and concentric ring measurement plates for resistance measurement of small volumes of powder and granulated materials. Correc on Factor (CF) is used to convert bulk resistance measurement to volume resis vity in ohm-cm.
  • Page 18 PRF-930 Advanced Powder Fixture Rev. A / January 2010...
  • Page 19 PRF-930 Advanced Powder Fixture NOTES Rev. A / January 2010...
  • Page 20 Specifi ca ons are subject to change without no ce. All Prostat trademarks and trade names are the property of Prostat Corproa on. All other trademarks and trade names are the property of their respec ve companies. P R O F E S S I O N A L...