MINIATURE TWO-POINT PROBE SET
Contents
1. 0 32 inches 8 2mm diameter 3 5 pounds 1 6 kg 0 3 inches 7 8mm BNC with outer source and inner sense connections RG 174 coaxial cable equipped with insulated BNC couplers and BNC Banana adapter for connection to Prostat PRS 801 Resistance System Not applicable Fixture powered by resistance instrument Prostat Corporation Limited one year PRV 913B Dual Verification Fixture Physical Dimensions Fixture Weight Finish Contact Pads Resistors Power Warranty 12 2 0 in x 2 0 in x 0 83 in 50 1mm x 50 1mm x 21mm 5 29 ounces 150 grams Black anodized Copper substrate with nickel and hard gold plating 2 precision 10 megohm resistors total of 10 Concentric Ring Side 2 precision 1 each 10 megohm resistor 2 Point Side Not applicable Powered by PRF 912B during test Prostat Corporation Limited one year Rev A November 2005 Rev A November 2005 NOTES PRF 922B Miniature Two Point Probe Set 13 PRF 922B Miniature Two Point Probe Set NOTES 14 Rev A November 2005 Rev A November 2005 NOTES PRF 922B Miniature Two Point Probe Set 15 PRF 922B Miniature Two Point Probe Set NOTES 16 Rev A November 2005 Rev A November 2005 NOTES PRF 922B Miniature Two Point Probe Set 17 PRF 922B Miniature Two Point Probe Set NOTES 18 Rev A November 2005 Specifications are subject to change without notice All Prostat trademarks and trade names2. 00 volts d Only qualified instrument repair and test personnel should exceed the 100 volt opera tion limit and then do so only under controlled conditions using maximum precautions against personnel shock e Never under any conditions exceed 500 volts during fixture test or repair B Other Operational Precautions 1 Do Not Use the PRF 922B Micro Probe if it fails to function during its continuity inspection test 2 Do Not Use the PRF 922B Micro Probe if it becomes damaged in any way 3 Only Prostat Corporation authorized qualified repair personnel may open PRF 922B or PRV 913B housing terminal assemblies or perform product repair Unauthorized opening of fixture or instrument housings device tampering or attempted repair will absolutely void product warranty and completely absolve Prostat Corporation its employees suppliers and representa tives of any responsibility liability or other whatsoever WARNING Unauthorized opening of fixture or instrument housings device tampering or attempted re pair will absolutely void product warranty and completely absolve Prostat Corporation of any responsibility liability or other whatsoever 4 Do Not Touch Electrode Surfaces Electrodes will become contaminated with skin oils and salts and may become damaged or rendered inaccurate Rev A November 2005 5 PRF 922B Miniature Two Point Probe Set 5 Do Not Use Or Store PRF 922B Or PRV 913B In Damp Environment
3. For measurements greater than 1 0x10 ohms use 100 volts NOTE For optimal performance and accuracy use the Prostat PRS 801 Resistance System in its AUTOMATIC Mode either Default Mode 1 Ohms or Mode 2 Exponential 1 0EXX Ohms display AUTOMATIC Mode will control test voltage resistance range adjustment and electrification period automatically Figure 7 Measurement Illustrations Using the Prostat PRF 922B Fixture Rev A November 2005 9 PRF 922B Miniature Two Point Probe Set IV Handling amp Maintenance A PRF 922B Miniature Two Point Probe Fixture 1 Store the PRF 922B in a clean dry environment with both BNC and Probe covers installed for environmental and mechanical protection 2 Periodically remove all spring loaded test pins Clean the spring loaded test probes and Teflon mounting disk with a solution of laboratory grade isopropyl alcohol and a lint less cloth or laboratory quality swab Allow components to dry thoroughly be fore re assembling Pull straight out Figure 8 Remove Spring Loaded probe electrode by grasping firmly and pulling straight out of its socket Remove each test probe individually by grasping it firmly then pulling it straight out of its socket Inspect each probe for damage then clean with the alcohol solution If a probe is damaged i e bent does not compress smoothly or has deep surface scratches replace it with a new probe of the same size and characteristics Conta
4. MINIATURE TWO POINT PROBE SET PRF 922B User Manual oe eo a EPROSTAT Table of Contents PROSTAT PRF 922B MINIATURE TWO POINT PROBE SET ma aaa ee DT Handling amp Maintenance Warranty Information 4mm General Specifications Copyright 2012 by Prostat Corporation 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 written permission For information contact Prostat Corporation 1072 Tower Lane Bensenville IL 60106 USA Prostat is the registered trademark of Prostat Corporation PRF 922B Miniature Two Point Probe Set Introduction amp Description The PRF 922B Miniature Two Point Resistance Fix ture Set accurately measures surface resistance of small areas It consists of a PRF 922B Two Point Re sistance Fixture assembly shielded cable equipped with BNC connectors probe cover and a BNC to male banana adapter The PRF 922B works in conjunction with a wide range resistance instrument such as the Prostat PRS 801 Resistance System PRS 812 Resistance Meter or ESD Check ESI 870 Resistance Indicator and an insulated test bed This instrument and fixture combination provides direct point to point resistance measurements in ohms across the sur face of small parts and assemblies A PRF 922B Two Point Resistance Fixture Descrip tion This precision fixture consists of 2 gold plated Figur
5. SD Check ESI 870 Resistance Indicator or lt 10 ohms when using the PRS 801 Resistance Meter Repeat the above procedure using the clean insulated surface Black labeled side of the PTB 920 or an insulated acrylic plate PRF 922B Miniature Two Point Probe Set a Hold the PRF 922B vertically and apply pressure to compress the electrodes making posi tive contact with the insulated surface b Activate the wide range resistance instrument to obtain a measurement 1 In the case where the Prostat PRS 801 is the measurement instrument it should measure 1 0x10 ohms or greater 2 With other instruments they should provide a HIGH resistance indication For example 10 or gt 10 ohms when using the ESD Check ESI 870 Resistance Indicator 3 or approximately 101 ohms when using the PRS 801 Resistance Meter C PRF 922B Verification Using the PRV 913B Two Point verification fixture i D Basic Measurements Using the PRF 922B Micro Probe 1 3 Connect the BNC banana adapter to the wide range resistance measurement instrument Flange side of dual banana should be connected to the Positive power terminal This applies test voltage to the 10 outer ring electrodes Remove PRF 922B Probe Cover Figure 5 Position PRF 922B vertically into the PRV 913B Two Point Verifier with its spring loaded pin electrodes making direct contact with the Verifier s gold plated test segments Depending on your resistance inst
6. are the property of Prostat Corporation All other trademarks and trade names are the property of their respective companies CARRIED BY PROFESSIONALS B PROFESSIONAL STATIC CONTROL PRODUCTS Prostat Corporation Corporate Headquarters 1072 Tower Lane e Bensenville IL 60106 s 630 238 8883 s Fax 630 238 9717 1 855 STATIC1 www prostatcorp com
7. ct Prostat Corporation Customer Service for spare replacement probes Clean and dry the Teflon mounting disk twice to insure cleanliness Carefully re install the spring loaded test probes and fully re seat them in their sockets 3 After cleaning perform Continuity High Resistance and Veri fier checks B Use of Conductive Rubber Electrode Boots to Reduce Contact Resistance 1 Measurements obtained without use of conductive rubber boots will simulate material contact by metal objects In this situation contact resistance is high and the resulting mea surements will be higher than those obtained using conduc tive rubber boots Figure 9 2 Conductive rubber boots are used to reduce contact re sistance between the electrodes and material under test Measurements made with boots installed are typically lower than those obtained without boots Figure 9 Installing Conductive Rubber Electrode Boots C PRV 913B Two Point Dual Verification Fixture 1 Store the PRV 913B in a clean dry environment 2 Periodically clean and dry the gold fixture contact segments twice with a solution of laboratory grade isopropyl alcohol and laboratory quality swab 10 Rev A November 2005 PRF 922B Miniature Two Point Probe Set V Warranty Information A Prostat Warranty Prostat Corporation expressly warrants that for a period of one 1 year from the date of purchase that Prostat instruments will be free fro
8. displays Cautions and Warnings alerting the user to hazardous operation and ser vicing conditions CAUTION or WARNING headings throughout this publication flag this infor mation where appropriate Follow all Caution and Warning instructions at all times Rev A November 2005 PRF 922B Miniature Two Point Probe Set A Use of Measurement Power Supply 1 The PRF 922B is a high performance micro probed designed for use with a maximum input voltage of 100 volts As such it is capable of delivering an annoying shock to any person touch ing the spring loaded contacts when they are energized a If used with the Prostat PRS 801 Resistance System the current capability of the micro probe instrument combination is limited to a very low typically harmless level However a distinct hazard exists in the operator s reaction to a possible shock b To avoid shock operating personnel should not touch the electrodes or any exposed me tallic parts of the PRF 922B fixture or cable assembly when power is applied to the probe CAUTION To avoid electrical shock Do Not Touch the fixture test electrodes test bed or exposed metal BNC connections when power is being applied to the probe c The designed operating voltage limit for normal auditing and laboratory measurements is 100 volts Exceeding 100 volts greatly increases the risk of personnel shock hazards WARNING Never exceed the maximum applied operating test voltage of 1
9. e 1 PRF 922B Miniature Two Point Resistance Fixture Measurement Set spring loaded contact electrodes spaced 0 250 inches 6 35mm apart center to center The elec tronic quality gold plated contact probes are 0 1 inch 2 54mm in diameter and are supplied with conductive synthetic rubber contact boots which are 0 125 inch 3 18mm diameter The conduc tive boots are used to reduce contact resistance between the gold contact probes and materials under test in certain applications 1 The resistance measurement range of the PRF 922B fixture is 0 9 ohms at lt 10 volts to 1 0E 12 1 0x10 ohms at 100 volts 2 Contacts are pogo pin type ATE quality probes made of beryllium Copper coated with 60 micro inch of hard Gold Spacing allows for measurement of items with surfaces approximately 0 125 inches wide having a length of 0 32 inches or larger 3 The contact assembly s outer housing incorporates stops that insure consistent contact pres sure during measurement 4 Overall size of the PRF 922B is 0 50 inches in diameter by 7 0 inches 178 mm long This opti mal size and shape make the fixture very comfortable and easy to handle Its outer housing is made of black anodized aluminum Cautions amp Warnings As with any electrical device use proper electrical precautions and measurement practices to avoid personnel shock Read this manual in its entirety before attempting to use these products NOTE This manual
10. ions and Return Materials Authorization RMA contact Prostat Corporation 1072 Tower Lane Bensenville IL 60106 Telephone 630 238 8883 Fax 630 238 9717 C Shipping Non Warranty Items 1 Any Prostat product returned for non warranty repair or calibration requires a Return Materials Authorization RMA number and should be packaged and shipped as described above and as directed by Prostat s customer service department 2 The following information must be included with the returned product a Description of the problem b Customer s Purchase Order Number amp Prostat s Materials Authorization RMA number c Name telephone number and fax number of individual contact who can provide more information regarding the problem and related application s d Complete return address Rev A November 2005 11 PRF 922B Miniature Two Point Probe Set PRF 922B amp PRV 913B Miniature Concentric Ring Fixture Set Specifications PRF 922B Two Point Micro Probe Physical Dimensions Probe Weight Finish Dielectric Material Contact Dimensions Minimum Sample Size Probe Spring Force Test Probe Total Travel Connection Cable Power Warranty Length 5 9 inches 150mm without probe cover 6 5 inches 165mm with probe cover Probe diameter 0 5 inches 12 7mm Probe cover outer diameter 0 63 inches 16mm 1 5 ounces 43 grams Black anodized Teflon Inner Center Contact Probe 0 1 inches 2 54mm
11. m defects in material parts and workmanship labor If Prostat receives notice of such defect during the warranty period Prostat will replace at its ex pense such parts that it determines to be defective Any defective part must be returned to PROS TAT postage prepaid with proof of purchase date Warranty Exclusions THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU OF ALL OTHER PRODUCT WARRANTIES EXPRESS AND IMPLIED INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED The express warranty will not apply to defects or damage due to accidents neglect misuse alterations operator error or failure to properly maintain clean or repair products Limit of Liability in no event will PROSTAT or any seller be responsible or liable for special incidental or consequential losses or damages under any legal theory including but not limited to contract negligence or strict liability Fulfillment by Prostat of its express warranty obligations described above will be purchaser s exclusive remedy and will be Prostat s and seller s limit of liability for any breach of warranty or otherwise B Shipping of Warranty Returns 1 Obtain a Return Materials Authorization RMA number and shipping address from Prostat customer service Pack the instrument carefully and ship it prepaid and insured to the proper destination provided by Prostat s customer service department 2 For detailed shipping instruct
12. rument select either 10V or 100V test voltage Measure PRF 922B probe resistance while positioned in the PRV 913B Two Point Verifier Resistance should be 1 0x10 ohms 5 Figure 5 Remove Probe Cover Place material to be measured on an insulated test bed the clean insulated surface Black labeled side of the PTB 920 or an insulated acrylic plate Position the PRF 922B vertically directly over test area and lower it until the spring loaded center electrode makes direct contact with the material under test Apply sufficient pressure on the probe until the center and outer spring loaded electrode are partially compressed while in contact with the test material Figure 6 Insert PRF 922B Fixture into PRV 913B Two Point Verifier and Measure Verifier Resistance Rev A November 2005 PRF 922B Miniature Two Point Probe Set IMPORTANT NOTE Adjust probe pressure to insure that the electrode springs are controlling the probe s con nection with the material s surface and that the springs are not fully compressed against their stops This will insure reproducible measurements 4 Select appropriate instrument test voltage and initiate resistance measurement ESD Associa tion 11 11 test voltage guidelines for measuring packaging materials are as follows a For material resistance measurements of less than 1 0x10 ohms use lt 10 volts b For measurements of 1 0x10 to lt 1 0x10 ohms use 10 volts c
13. s Always store devices with protective caps in place in a dry environment preferably at lt 20 Relative Humidity CAUTION Storage or use of these instruments fixtures and devices in damp or wet conditions may cause damage to electrical circuits and contact surfaces which may effect performance or increase the possibility of personnel shock or arc discharge 6 Do not use these fixtures and devices in combustible or explosive environments WARNING Improper handling and use of energized circuits may cause arc discharge which in turn may cause the ignition of combustible materials or fumes Do not use exposed energized circuits in flammable areas 7 Do not attempt to measure energized materials items or circuits with the PRF 922B 8 The PRF 922B is a precision fixture to be operated by experienced personnel familiar in the use and handling of devices employing energized power supplies 9 Do Not Drop or cause mechanical damage to these devices Ill PRF 922B Micro Probe amp PRV 913B Verifier Operations BNC Connector 4 A PRF 922B Setup ia 1 Connect measurement cable to PRF 922B a Remove black rubber protective cover from PRF 922B s BNC connection b Attach shielded cable to the probe s BNC connection Figure 2 Figure 2 Connect shielded cable 2 Connect measurement cable to Dual Banana BNC Converter to PRF 922B s BNC fixture Figure 3 6 Rev A November 2005 PRF 922B Minia
14. ture Two Point Probe Set Figure 3 Connect Cable to Banana Con Figure 4 PRF 922B with Cable amp Banana verter Coverter Once the cable and BNC adapter are installed the PRF 922B is ready for continuity test verifica tion and use Figure 4 To use connect dual banana converter to wide range resistance instrument with inch termi nal spacing Flange side of dual banana should be connected to the Positive power terminal NOTE To remove BNC connections apply slight pressure and twist connector counter clockwise B Confirming Proper BNC Connections Continuity amp High Resistance Tests The following confirms proper connections by checking continuity of the micro probe against a metal plate then confirms its ability to measure high resistance 1 Rev A November 2005 To confirm general setup and function of the PRF 922B place the electrodes against a clean metal surface For example the plated metal side of the Prostat PTB 920 Dual Surface Test Bed a Hold the PRF 922B vertically and apply pressure to slightly compress the electrodes mak ing positive contact with the metal surface b Activate the wide range resistance instrument to obtain a measurement 1 In the case where the Prostat PRS 801 is the measurement instrument it should measure approximately 1 0 ohm or less 2 With other instruments they should provide a LOW resistance indication For example lt 10 ohms when using the E
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